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b0f12aa95c
This patch, together with a matching clang patch (https://reviews.llvm.org/D37668), implements the lowering of X86 mask set1 intrinsics to IR. Differential Revision: https://reviews.llvm.org/D37669 llvm-svn: 313625
2506 lines
111 KiB
C++
2506 lines
111 KiB
C++
//===-- AutoUpgrade.cpp - Implement auto-upgrade helper functions ---------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the auto-upgrade helper functions.
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// This is where deprecated IR intrinsics and other IR features are updated to
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// current specifications.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/AutoUpgrade.h"
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#include "llvm/ADT/StringSwitch.h"
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#include "llvm/IR/CFG.h"
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#include "llvm/IR/CallSite.h"
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#include "llvm/IR/Constants.h"
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#include "llvm/IR/DIBuilder.h"
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#include "llvm/IR/DebugInfo.h"
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#include "llvm/IR/DiagnosticInfo.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/IRBuilder.h"
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#include "llvm/IR/Instruction.h"
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#include "llvm/IR/IntrinsicInst.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/Regex.h"
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#include <cstring>
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using namespace llvm;
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static void rename(GlobalValue *GV) { GV->setName(GV->getName() + ".old"); }
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// Upgrade the declarations of the SSE4.1 ptest intrinsics whose arguments have
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// changed their type from v4f32 to v2i64.
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static bool UpgradePTESTIntrinsic(Function* F, Intrinsic::ID IID,
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Function *&NewFn) {
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// Check whether this is an old version of the function, which received
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// v4f32 arguments.
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Type *Arg0Type = F->getFunctionType()->getParamType(0);
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if (Arg0Type != VectorType::get(Type::getFloatTy(F->getContext()), 4))
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return false;
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// Yes, it's old, replace it with new version.
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rename(F);
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NewFn = Intrinsic::getDeclaration(F->getParent(), IID);
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return true;
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}
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// Upgrade the declarations of intrinsic functions whose 8-bit immediate mask
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// arguments have changed their type from i32 to i8.
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static bool UpgradeX86IntrinsicsWith8BitMask(Function *F, Intrinsic::ID IID,
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Function *&NewFn) {
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// Check that the last argument is an i32.
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Type *LastArgType = F->getFunctionType()->getParamType(
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F->getFunctionType()->getNumParams() - 1);
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if (!LastArgType->isIntegerTy(32))
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return false;
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// Move this function aside and map down.
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rename(F);
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NewFn = Intrinsic::getDeclaration(F->getParent(), IID);
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return true;
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}
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static bool ShouldUpgradeX86Intrinsic(Function *F, StringRef Name) {
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// All of the intrinsics matches below should be marked with which llvm
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// version started autoupgrading them. At some point in the future we would
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// like to use this information to remove upgrade code for some older
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// intrinsics. It is currently undecided how we will determine that future
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// point.
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if (Name=="ssse3.pabs.b.128" || // Added in 6.0
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Name=="ssse3.pabs.w.128" || // Added in 6.0
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Name=="ssse3.pabs.d.128" || // Added in 6.0
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Name.startswith("avx2.pabs.") || // Added in 6.0
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Name.startswith("avx512.mask.pabs.") || // Added in 6.0
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Name.startswith("avx512.mask.pbroadcast") || // Added in 6.0
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Name.startswith("sse2.pcmpeq.") || // Added in 3.1
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Name.startswith("sse2.pcmpgt.") || // Added in 3.1
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Name.startswith("avx2.pcmpeq.") || // Added in 3.1
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Name.startswith("avx2.pcmpgt.") || // Added in 3.1
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Name.startswith("avx512.mask.pcmpeq.") || // Added in 3.9
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Name.startswith("avx512.mask.pcmpgt.") || // Added in 3.9
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Name.startswith("avx.vperm2f128.") || // Added in 6.0
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Name == "avx2.vperm2i128" || // Added in 6.0
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Name == "sse.add.ss" || // Added in 4.0
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Name == "sse2.add.sd" || // Added in 4.0
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Name == "sse.sub.ss" || // Added in 4.0
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Name == "sse2.sub.sd" || // Added in 4.0
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Name == "sse.mul.ss" || // Added in 4.0
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Name == "sse2.mul.sd" || // Added in 4.0
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Name == "sse.div.ss" || // Added in 4.0
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Name == "sse2.div.sd" || // Added in 4.0
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Name == "sse41.pmaxsb" || // Added in 3.9
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Name == "sse2.pmaxs.w" || // Added in 3.9
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Name == "sse41.pmaxsd" || // Added in 3.9
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Name == "sse2.pmaxu.b" || // Added in 3.9
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Name == "sse41.pmaxuw" || // Added in 3.9
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Name == "sse41.pmaxud" || // Added in 3.9
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Name == "sse41.pminsb" || // Added in 3.9
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Name == "sse2.pmins.w" || // Added in 3.9
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Name == "sse41.pminsd" || // Added in 3.9
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Name == "sse2.pminu.b" || // Added in 3.9
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Name == "sse41.pminuw" || // Added in 3.9
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Name == "sse41.pminud" || // Added in 3.9
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Name.startswith("avx512.mask.pshuf.b.") || // Added in 4.0
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Name.startswith("avx2.pmax") || // Added in 3.9
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Name.startswith("avx2.pmin") || // Added in 3.9
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Name.startswith("avx512.mask.pmax") || // Added in 4.0
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Name.startswith("avx512.mask.pmin") || // Added in 4.0
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Name.startswith("avx2.vbroadcast") || // Added in 3.8
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Name.startswith("avx2.pbroadcast") || // Added in 3.8
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Name.startswith("avx.vpermil.") || // Added in 3.1
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Name.startswith("sse2.pshuf") || // Added in 3.9
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Name.startswith("avx512.pbroadcast") || // Added in 3.9
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Name.startswith("avx512.mask.broadcast.s") || // Added in 3.9
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Name.startswith("avx512.mask.movddup") || // Added in 3.9
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Name.startswith("avx512.mask.movshdup") || // Added in 3.9
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Name.startswith("avx512.mask.movsldup") || // Added in 3.9
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Name.startswith("avx512.mask.pshuf.d.") || // Added in 3.9
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Name.startswith("avx512.mask.pshufl.w.") || // Added in 3.9
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Name.startswith("avx512.mask.pshufh.w.") || // Added in 3.9
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Name.startswith("avx512.mask.shuf.p") || // Added in 4.0
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Name.startswith("avx512.mask.vpermil.p") || // Added in 3.9
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Name.startswith("avx512.mask.perm.df.") || // Added in 3.9
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Name.startswith("avx512.mask.perm.di.") || // Added in 3.9
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Name.startswith("avx512.mask.punpckl") || // Added in 3.9
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Name.startswith("avx512.mask.punpckh") || // Added in 3.9
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Name.startswith("avx512.mask.unpckl.") || // Added in 3.9
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Name.startswith("avx512.mask.unpckh.") || // Added in 3.9
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Name.startswith("avx512.mask.pand.") || // Added in 3.9
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Name.startswith("avx512.mask.pandn.") || // Added in 3.9
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Name.startswith("avx512.mask.por.") || // Added in 3.9
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Name.startswith("avx512.mask.pxor.") || // Added in 3.9
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Name.startswith("avx512.mask.and.") || // Added in 3.9
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Name.startswith("avx512.mask.andn.") || // Added in 3.9
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Name.startswith("avx512.mask.or.") || // Added in 3.9
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Name.startswith("avx512.mask.xor.") || // Added in 3.9
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Name.startswith("avx512.mask.padd.") || // Added in 4.0
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Name.startswith("avx512.mask.psub.") || // Added in 4.0
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Name.startswith("avx512.mask.pmull.") || // Added in 4.0
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Name.startswith("avx512.mask.cvtdq2pd.") || // Added in 4.0
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Name.startswith("avx512.mask.cvtudq2pd.") || // Added in 4.0
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Name.startswith("avx512.mask.pmul.dq.") || // Added in 4.0
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Name.startswith("avx512.mask.pmulu.dq.") || // Added in 4.0
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Name.startswith("avx512.mask.packsswb.") || // Added in 5.0
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Name.startswith("avx512.mask.packssdw.") || // Added in 5.0
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Name.startswith("avx512.mask.packuswb.") || // Added in 5.0
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Name.startswith("avx512.mask.packusdw.") || // Added in 5.0
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Name.startswith("avx512.mask.cmp.b") || // Added in 5.0
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Name.startswith("avx512.mask.cmp.d") || // Added in 5.0
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Name.startswith("avx512.mask.cmp.q") || // Added in 5.0
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Name.startswith("avx512.mask.cmp.w") || // Added in 5.0
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Name.startswith("avx512.mask.ucmp.") || // Added in 5.0
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Name == "avx512.mask.add.pd.128" || // Added in 4.0
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Name == "avx512.mask.add.pd.256" || // Added in 4.0
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Name == "avx512.mask.add.ps.128" || // Added in 4.0
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Name == "avx512.mask.add.ps.256" || // Added in 4.0
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Name == "avx512.mask.div.pd.128" || // Added in 4.0
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Name == "avx512.mask.div.pd.256" || // Added in 4.0
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Name == "avx512.mask.div.ps.128" || // Added in 4.0
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Name == "avx512.mask.div.ps.256" || // Added in 4.0
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Name == "avx512.mask.mul.pd.128" || // Added in 4.0
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Name == "avx512.mask.mul.pd.256" || // Added in 4.0
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Name == "avx512.mask.mul.ps.128" || // Added in 4.0
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Name == "avx512.mask.mul.ps.256" || // Added in 4.0
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Name == "avx512.mask.sub.pd.128" || // Added in 4.0
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Name == "avx512.mask.sub.pd.256" || // Added in 4.0
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Name == "avx512.mask.sub.ps.128" || // Added in 4.0
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Name == "avx512.mask.sub.ps.256" || // Added in 4.0
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Name == "avx512.mask.max.pd.128" || // Added in 5.0
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Name == "avx512.mask.max.pd.256" || // Added in 5.0
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Name == "avx512.mask.max.ps.128" || // Added in 5.0
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Name == "avx512.mask.max.ps.256" || // Added in 5.0
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Name == "avx512.mask.min.pd.128" || // Added in 5.0
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Name == "avx512.mask.min.pd.256" || // Added in 5.0
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Name == "avx512.mask.min.ps.128" || // Added in 5.0
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Name == "avx512.mask.min.ps.256" || // Added in 5.0
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Name.startswith("avx512.mask.vpermilvar.") || // Added in 4.0
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Name.startswith("avx512.mask.psll.d") || // Added in 4.0
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Name.startswith("avx512.mask.psll.q") || // Added in 4.0
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Name.startswith("avx512.mask.psll.w") || // Added in 4.0
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Name.startswith("avx512.mask.psra.d") || // Added in 4.0
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Name.startswith("avx512.mask.psra.q") || // Added in 4.0
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Name.startswith("avx512.mask.psra.w") || // Added in 4.0
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Name.startswith("avx512.mask.psrl.d") || // Added in 4.0
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Name.startswith("avx512.mask.psrl.q") || // Added in 4.0
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Name.startswith("avx512.mask.psrl.w") || // Added in 4.0
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Name.startswith("avx512.mask.pslli") || // Added in 4.0
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Name.startswith("avx512.mask.psrai") || // Added in 4.0
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Name.startswith("avx512.mask.psrli") || // Added in 4.0
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Name.startswith("avx512.mask.psllv") || // Added in 4.0
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Name.startswith("avx512.mask.psrav") || // Added in 4.0
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Name.startswith("avx512.mask.psrlv") || // Added in 4.0
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Name.startswith("sse41.pmovsx") || // Added in 3.8
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Name.startswith("sse41.pmovzx") || // Added in 3.9
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Name.startswith("avx2.pmovsx") || // Added in 3.9
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Name.startswith("avx2.pmovzx") || // Added in 3.9
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Name.startswith("avx512.mask.pmovsx") || // Added in 4.0
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Name.startswith("avx512.mask.pmovzx") || // Added in 4.0
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Name.startswith("avx512.mask.lzcnt.") || // Added in 5.0
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Name == "sse2.cvtdq2pd" || // Added in 3.9
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Name == "sse2.cvtps2pd" || // Added in 3.9
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Name == "avx.cvtdq2.pd.256" || // Added in 3.9
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Name == "avx.cvt.ps2.pd.256" || // Added in 3.9
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Name.startswith("avx.vinsertf128.") || // Added in 3.7
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Name == "avx2.vinserti128" || // Added in 3.7
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Name.startswith("avx512.mask.insert") || // Added in 4.0
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Name.startswith("avx.vextractf128.") || // Added in 3.7
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Name == "avx2.vextracti128" || // Added in 3.7
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Name.startswith("avx512.mask.vextract") || // Added in 4.0
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Name.startswith("sse4a.movnt.") || // Added in 3.9
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Name.startswith("avx.movnt.") || // Added in 3.2
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Name.startswith("avx512.storent.") || // Added in 3.9
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Name == "sse41.movntdqa" || // Added in 5.0
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Name == "avx2.movntdqa" || // Added in 5.0
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Name == "avx512.movntdqa" || // Added in 5.0
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Name == "sse2.storel.dq" || // Added in 3.9
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Name.startswith("sse.storeu.") || // Added in 3.9
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Name.startswith("sse2.storeu.") || // Added in 3.9
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Name.startswith("avx.storeu.") || // Added in 3.9
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Name.startswith("avx512.mask.storeu.") || // Added in 3.9
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Name.startswith("avx512.mask.store.p") || // Added in 3.9
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Name.startswith("avx512.mask.store.b.") || // Added in 3.9
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Name.startswith("avx512.mask.store.w.") || // Added in 3.9
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Name.startswith("avx512.mask.store.d.") || // Added in 3.9
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Name.startswith("avx512.mask.store.q.") || // Added in 3.9
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Name.startswith("avx512.mask.loadu.") || // Added in 3.9
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Name.startswith("avx512.mask.load.") || // Added in 3.9
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Name == "sse42.crc32.64.8" || // Added in 3.4
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Name.startswith("avx.vbroadcast.s") || // Added in 3.5
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Name.startswith("avx512.mask.palignr.") || // Added in 3.9
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Name.startswith("avx512.mask.valign.") || // Added in 4.0
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Name.startswith("sse2.psll.dq") || // Added in 3.7
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Name.startswith("sse2.psrl.dq") || // Added in 3.7
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Name.startswith("avx2.psll.dq") || // Added in 3.7
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Name.startswith("avx2.psrl.dq") || // Added in 3.7
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Name.startswith("avx512.psll.dq") || // Added in 3.9
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Name.startswith("avx512.psrl.dq") || // Added in 3.9
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Name == "sse41.pblendw" || // Added in 3.7
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Name.startswith("sse41.blendp") || // Added in 3.7
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Name.startswith("avx.blend.p") || // Added in 3.7
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Name == "avx2.pblendw" || // Added in 3.7
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Name.startswith("avx2.pblendd.") || // Added in 3.7
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Name.startswith("avx.vbroadcastf128") || // Added in 4.0
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Name == "avx2.vbroadcasti128" || // Added in 3.7
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Name.startswith("avx512.mask.broadcastf32x4.") || // Added in 6.0
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Name.startswith("avx512.mask.broadcastf64x2.") || // Added in 6.0
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Name.startswith("avx512.mask.broadcasti32x4.") || // Added in 6.0
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Name.startswith("avx512.mask.broadcasti64x2.") || // Added in 6.0
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Name == "avx512.mask.broadcastf32x8.512" || // Added in 6.0
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Name == "avx512.mask.broadcasti32x8.512" || // Added in 6.0
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Name == "avx512.mask.broadcastf64x4.512" || // Added in 6.0
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Name == "avx512.mask.broadcasti64x4.512" || // Added in 6.0
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Name == "xop.vpcmov" || // Added in 3.8
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Name == "xop.vpcmov.256" || // Added in 5.0
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Name.startswith("avx512.mask.move.s") || // Added in 4.0
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Name.startswith("avx512.cvtmask2") || // Added in 5.0
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(Name.startswith("xop.vpcom") && // Added in 3.2
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F->arg_size() == 2) ||
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Name.startswith("sse2.pavg") || // Added in 6.0
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Name.startswith("avx2.pavg") || // Added in 6.0
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Name.startswith("avx512.mask.pavg")) // Added in 6.0
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return true;
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return false;
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}
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static bool UpgradeX86IntrinsicFunction(Function *F, StringRef Name,
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Function *&NewFn) {
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// Only handle intrinsics that start with "x86.".
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if (!Name.startswith("x86."))
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return false;
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// Remove "x86." prefix.
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Name = Name.substr(4);
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if (ShouldUpgradeX86Intrinsic(F, Name)) {
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NewFn = nullptr;
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return true;
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}
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// SSE4.1 ptest functions may have an old signature.
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if (Name.startswith("sse41.ptest")) { // Added in 3.2
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if (Name.substr(11) == "c")
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return UpgradePTESTIntrinsic(F, Intrinsic::x86_sse41_ptestc, NewFn);
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if (Name.substr(11) == "z")
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return UpgradePTESTIntrinsic(F, Intrinsic::x86_sse41_ptestz, NewFn);
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if (Name.substr(11) == "nzc")
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return UpgradePTESTIntrinsic(F, Intrinsic::x86_sse41_ptestnzc, NewFn);
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}
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// Several blend and other instructions with masks used the wrong number of
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// bits.
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if (Name == "sse41.insertps") // Added in 3.6
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return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_insertps,
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NewFn);
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if (Name == "sse41.dppd") // Added in 3.6
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return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_dppd,
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NewFn);
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if (Name == "sse41.dpps") // Added in 3.6
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return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_dpps,
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NewFn);
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if (Name == "sse41.mpsadbw") // Added in 3.6
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return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_sse41_mpsadbw,
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NewFn);
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if (Name == "avx.dp.ps.256") // Added in 3.6
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return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_avx_dp_ps_256,
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NewFn);
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if (Name == "avx2.mpsadbw") // Added in 3.6
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return UpgradeX86IntrinsicsWith8BitMask(F, Intrinsic::x86_avx2_mpsadbw,
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NewFn);
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// frcz.ss/sd may need to have an argument dropped. Added in 3.2
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if (Name.startswith("xop.vfrcz.ss") && F->arg_size() == 2) {
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rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(),
|
|
Intrinsic::x86_xop_vfrcz_ss);
|
|
return true;
|
|
}
|
|
if (Name.startswith("xop.vfrcz.sd") && F->arg_size() == 2) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(),
|
|
Intrinsic::x86_xop_vfrcz_sd);
|
|
return true;
|
|
}
|
|
// Upgrade any XOP PERMIL2 index operand still using a float/double vector.
|
|
if (Name.startswith("xop.vpermil2")) { // Added in 3.9
|
|
auto Idx = F->getFunctionType()->getParamType(2);
|
|
if (Idx->isFPOrFPVectorTy()) {
|
|
rename(F);
|
|
unsigned IdxSize = Idx->getPrimitiveSizeInBits();
|
|
unsigned EltSize = Idx->getScalarSizeInBits();
|
|
Intrinsic::ID Permil2ID;
|
|
if (EltSize == 64 && IdxSize == 128)
|
|
Permil2ID = Intrinsic::x86_xop_vpermil2pd;
|
|
else if (EltSize == 32 && IdxSize == 128)
|
|
Permil2ID = Intrinsic::x86_xop_vpermil2ps;
|
|
else if (EltSize == 64 && IdxSize == 256)
|
|
Permil2ID = Intrinsic::x86_xop_vpermil2pd_256;
|
|
else
|
|
Permil2ID = Intrinsic::x86_xop_vpermil2ps_256;
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), Permil2ID);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
|
|
assert(F && "Illegal to upgrade a non-existent Function.");
|
|
|
|
// Quickly eliminate it, if it's not a candidate.
|
|
StringRef Name = F->getName();
|
|
if (Name.size() <= 8 || !Name.startswith("llvm."))
|
|
return false;
|
|
Name = Name.substr(5); // Strip off "llvm."
|
|
|
|
switch (Name[0]) {
|
|
default: break;
|
|
case 'a': {
|
|
if (Name.startswith("arm.rbit") || Name.startswith("aarch64.rbit")) {
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::bitreverse,
|
|
F->arg_begin()->getType());
|
|
return true;
|
|
}
|
|
if (Name.startswith("arm.neon.vclz")) {
|
|
Type* args[2] = {
|
|
F->arg_begin()->getType(),
|
|
Type::getInt1Ty(F->getContext())
|
|
};
|
|
// Can't use Intrinsic::getDeclaration here as it adds a ".i1" to
|
|
// the end of the name. Change name from llvm.arm.neon.vclz.* to
|
|
// llvm.ctlz.*
|
|
FunctionType* fType = FunctionType::get(F->getReturnType(), args, false);
|
|
NewFn = Function::Create(fType, F->getLinkage(),
|
|
"llvm.ctlz." + Name.substr(14), F->getParent());
|
|
return true;
|
|
}
|
|
if (Name.startswith("arm.neon.vcnt")) {
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctpop,
|
|
F->arg_begin()->getType());
|
|
return true;
|
|
}
|
|
Regex vldRegex("^arm\\.neon\\.vld([1234]|[234]lane)\\.v[a-z0-9]*$");
|
|
if (vldRegex.match(Name)) {
|
|
auto fArgs = F->getFunctionType()->params();
|
|
SmallVector<Type *, 4> Tys(fArgs.begin(), fArgs.end());
|
|
// Can't use Intrinsic::getDeclaration here as the return types might
|
|
// then only be structurally equal.
|
|
FunctionType* fType = FunctionType::get(F->getReturnType(), Tys, false);
|
|
NewFn = Function::Create(fType, F->getLinkage(),
|
|
"llvm." + Name + ".p0i8", F->getParent());
|
|
return true;
|
|
}
|
|
Regex vstRegex("^arm\\.neon\\.vst([1234]|[234]lane)\\.v[a-z0-9]*$");
|
|
if (vstRegex.match(Name)) {
|
|
static const Intrinsic::ID StoreInts[] = {Intrinsic::arm_neon_vst1,
|
|
Intrinsic::arm_neon_vst2,
|
|
Intrinsic::arm_neon_vst3,
|
|
Intrinsic::arm_neon_vst4};
|
|
|
|
static const Intrinsic::ID StoreLaneInts[] = {
|
|
Intrinsic::arm_neon_vst2lane, Intrinsic::arm_neon_vst3lane,
|
|
Intrinsic::arm_neon_vst4lane
|
|
};
|
|
|
|
auto fArgs = F->getFunctionType()->params();
|
|
Type *Tys[] = {fArgs[0], fArgs[1]};
|
|
if (Name.find("lane") == StringRef::npos)
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(),
|
|
StoreInts[fArgs.size() - 3], Tys);
|
|
else
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(),
|
|
StoreLaneInts[fArgs.size() - 5], Tys);
|
|
return true;
|
|
}
|
|
if (Name == "aarch64.thread.pointer" || Name == "arm.thread.pointer") {
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::thread_pointer);
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case 'c': {
|
|
if (Name.startswith("ctlz.") && F->arg_size() == 1) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctlz,
|
|
F->arg_begin()->getType());
|
|
return true;
|
|
}
|
|
if (Name.startswith("cttz.") && F->arg_size() == 1) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::cttz,
|
|
F->arg_begin()->getType());
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
case 'd': {
|
|
if (Name == "dbg.value" && F->arg_size() == 4) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::dbg_value);
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
case 'i':
|
|
case 'l': {
|
|
bool IsLifetimeStart = Name.startswith("lifetime.start");
|
|
if (IsLifetimeStart || Name.startswith("invariant.start")) {
|
|
Intrinsic::ID ID = IsLifetimeStart ?
|
|
Intrinsic::lifetime_start : Intrinsic::invariant_start;
|
|
auto Args = F->getFunctionType()->params();
|
|
Type* ObjectPtr[1] = {Args[1]};
|
|
if (F->getName() != Intrinsic::getName(ID, ObjectPtr)) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), ID, ObjectPtr);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
bool IsLifetimeEnd = Name.startswith("lifetime.end");
|
|
if (IsLifetimeEnd || Name.startswith("invariant.end")) {
|
|
Intrinsic::ID ID = IsLifetimeEnd ?
|
|
Intrinsic::lifetime_end : Intrinsic::invariant_end;
|
|
|
|
auto Args = F->getFunctionType()->params();
|
|
Type* ObjectPtr[1] = {Args[IsLifetimeEnd ? 1 : 2]};
|
|
if (F->getName() != Intrinsic::getName(ID, ObjectPtr)) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), ID, ObjectPtr);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 'm': {
|
|
if (Name.startswith("masked.load.")) {
|
|
Type *Tys[] = { F->getReturnType(), F->arg_begin()->getType() };
|
|
if (F->getName() != Intrinsic::getName(Intrinsic::masked_load, Tys)) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(),
|
|
Intrinsic::masked_load,
|
|
Tys);
|
|
return true;
|
|
}
|
|
}
|
|
if (Name.startswith("masked.store.")) {
|
|
auto Args = F->getFunctionType()->params();
|
|
Type *Tys[] = { Args[0], Args[1] };
|
|
if (F->getName() != Intrinsic::getName(Intrinsic::masked_store, Tys)) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(),
|
|
Intrinsic::masked_store,
|
|
Tys);
|
|
return true;
|
|
}
|
|
}
|
|
// Renaming gather/scatter intrinsics with no address space overloading
|
|
// to the new overload which includes an address space
|
|
if (Name.startswith("masked.gather.")) {
|
|
Type *Tys[] = {F->getReturnType(), F->arg_begin()->getType()};
|
|
if (F->getName() != Intrinsic::getName(Intrinsic::masked_gather, Tys)) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(),
|
|
Intrinsic::masked_gather, Tys);
|
|
return true;
|
|
}
|
|
}
|
|
if (Name.startswith("masked.scatter.")) {
|
|
auto Args = F->getFunctionType()->params();
|
|
Type *Tys[] = {Args[0], Args[1]};
|
|
if (F->getName() != Intrinsic::getName(Intrinsic::masked_scatter, Tys)) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(),
|
|
Intrinsic::masked_scatter, Tys);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 'n': {
|
|
if (Name.startswith("nvvm.")) {
|
|
Name = Name.substr(5);
|
|
|
|
// The following nvvm intrinsics correspond exactly to an LLVM intrinsic.
|
|
Intrinsic::ID IID = StringSwitch<Intrinsic::ID>(Name)
|
|
.Cases("brev32", "brev64", Intrinsic::bitreverse)
|
|
.Case("clz.i", Intrinsic::ctlz)
|
|
.Case("popc.i", Intrinsic::ctpop)
|
|
.Default(Intrinsic::not_intrinsic);
|
|
if (IID != Intrinsic::not_intrinsic && F->arg_size() == 1) {
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), IID,
|
|
{F->getReturnType()});
|
|
return true;
|
|
}
|
|
|
|
// The following nvvm intrinsics correspond exactly to an LLVM idiom, but
|
|
// not to an intrinsic alone. We expand them in UpgradeIntrinsicCall.
|
|
//
|
|
// TODO: We could add lohi.i2d.
|
|
bool Expand = StringSwitch<bool>(Name)
|
|
.Cases("abs.i", "abs.ll", true)
|
|
.Cases("clz.ll", "popc.ll", "h2f", true)
|
|
.Cases("max.i", "max.ll", "max.ui", "max.ull", true)
|
|
.Cases("min.i", "min.ll", "min.ui", "min.ull", true)
|
|
.Default(false);
|
|
if (Expand) {
|
|
NewFn = nullptr;
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case 'o':
|
|
// We only need to change the name to match the mangling including the
|
|
// address space.
|
|
if (Name.startswith("objectsize.")) {
|
|
Type *Tys[2] = { F->getReturnType(), F->arg_begin()->getType() };
|
|
if (F->arg_size() == 2 ||
|
|
F->getName() != Intrinsic::getName(Intrinsic::objectsize, Tys)) {
|
|
rename(F);
|
|
NewFn = Intrinsic::getDeclaration(F->getParent(), Intrinsic::objectsize,
|
|
Tys);
|
|
return true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 's':
|
|
if (Name == "stackprotectorcheck") {
|
|
NewFn = nullptr;
|
|
return true;
|
|
}
|
|
break;
|
|
|
|
case 'x':
|
|
if (UpgradeX86IntrinsicFunction(F, Name, NewFn))
|
|
return true;
|
|
}
|
|
// Remangle our intrinsic since we upgrade the mangling
|
|
auto Result = llvm::Intrinsic::remangleIntrinsicFunction(F);
|
|
if (Result != None) {
|
|
NewFn = Result.getValue();
|
|
return true;
|
|
}
|
|
|
|
// This may not belong here. This function is effectively being overloaded
|
|
// to both detect an intrinsic which needs upgrading, and to provide the
|
|
// upgraded form of the intrinsic. We should perhaps have two separate
|
|
// functions for this.
|
|
return false;
|
|
}
|
|
|
|
bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) {
|
|
NewFn = nullptr;
|
|
bool Upgraded = UpgradeIntrinsicFunction1(F, NewFn);
|
|
assert(F != NewFn && "Intrinsic function upgraded to the same function");
|
|
|
|
// Upgrade intrinsic attributes. This does not change the function.
|
|
if (NewFn)
|
|
F = NewFn;
|
|
if (Intrinsic::ID id = F->getIntrinsicID())
|
|
F->setAttributes(Intrinsic::getAttributes(F->getContext(), id));
|
|
return Upgraded;
|
|
}
|
|
|
|
bool llvm::UpgradeGlobalVariable(GlobalVariable *GV) {
|
|
// Nothing to do yet.
|
|
return false;
|
|
}
|
|
|
|
// Handles upgrading SSE2/AVX2/AVX512BW PSLLDQ intrinsics by converting them
|
|
// to byte shuffles.
|
|
static Value *UpgradeX86PSLLDQIntrinsics(IRBuilder<> &Builder,
|
|
Value *Op, unsigned Shift) {
|
|
Type *ResultTy = Op->getType();
|
|
unsigned NumElts = ResultTy->getVectorNumElements() * 8;
|
|
|
|
// Bitcast from a 64-bit element type to a byte element type.
|
|
Type *VecTy = VectorType::get(Builder.getInt8Ty(), NumElts);
|
|
Op = Builder.CreateBitCast(Op, VecTy, "cast");
|
|
|
|
// We'll be shuffling in zeroes.
|
|
Value *Res = Constant::getNullValue(VecTy);
|
|
|
|
// If shift is less than 16, emit a shuffle to move the bytes. Otherwise,
|
|
// we'll just return the zero vector.
|
|
if (Shift < 16) {
|
|
uint32_t Idxs[64];
|
|
// 256/512-bit version is split into 2/4 16-byte lanes.
|
|
for (unsigned l = 0; l != NumElts; l += 16)
|
|
for (unsigned i = 0; i != 16; ++i) {
|
|
unsigned Idx = NumElts + i - Shift;
|
|
if (Idx < NumElts)
|
|
Idx -= NumElts - 16; // end of lane, switch operand.
|
|
Idxs[l + i] = Idx + l;
|
|
}
|
|
|
|
Res = Builder.CreateShuffleVector(Res, Op, makeArrayRef(Idxs, NumElts));
|
|
}
|
|
|
|
// Bitcast back to a 64-bit element type.
|
|
return Builder.CreateBitCast(Res, ResultTy, "cast");
|
|
}
|
|
|
|
// Handles upgrading SSE2/AVX2/AVX512BW PSRLDQ intrinsics by converting them
|
|
// to byte shuffles.
|
|
static Value *UpgradeX86PSRLDQIntrinsics(IRBuilder<> &Builder, Value *Op,
|
|
unsigned Shift) {
|
|
Type *ResultTy = Op->getType();
|
|
unsigned NumElts = ResultTy->getVectorNumElements() * 8;
|
|
|
|
// Bitcast from a 64-bit element type to a byte element type.
|
|
Type *VecTy = VectorType::get(Builder.getInt8Ty(), NumElts);
|
|
Op = Builder.CreateBitCast(Op, VecTy, "cast");
|
|
|
|
// We'll be shuffling in zeroes.
|
|
Value *Res = Constant::getNullValue(VecTy);
|
|
|
|
// If shift is less than 16, emit a shuffle to move the bytes. Otherwise,
|
|
// we'll just return the zero vector.
|
|
if (Shift < 16) {
|
|
uint32_t Idxs[64];
|
|
// 256/512-bit version is split into 2/4 16-byte lanes.
|
|
for (unsigned l = 0; l != NumElts; l += 16)
|
|
for (unsigned i = 0; i != 16; ++i) {
|
|
unsigned Idx = i + Shift;
|
|
if (Idx >= 16)
|
|
Idx += NumElts - 16; // end of lane, switch operand.
|
|
Idxs[l + i] = Idx + l;
|
|
}
|
|
|
|
Res = Builder.CreateShuffleVector(Op, Res, makeArrayRef(Idxs, NumElts));
|
|
}
|
|
|
|
// Bitcast back to a 64-bit element type.
|
|
return Builder.CreateBitCast(Res, ResultTy, "cast");
|
|
}
|
|
|
|
static Value *getX86MaskVec(IRBuilder<> &Builder, Value *Mask,
|
|
unsigned NumElts) {
|
|
llvm::VectorType *MaskTy = llvm::VectorType::get(Builder.getInt1Ty(),
|
|
cast<IntegerType>(Mask->getType())->getBitWidth());
|
|
Mask = Builder.CreateBitCast(Mask, MaskTy);
|
|
|
|
// If we have less than 8 elements, then the starting mask was an i8 and
|
|
// we need to extract down to the right number of elements.
|
|
if (NumElts < 8) {
|
|
uint32_t Indices[4];
|
|
for (unsigned i = 0; i != NumElts; ++i)
|
|
Indices[i] = i;
|
|
Mask = Builder.CreateShuffleVector(Mask, Mask,
|
|
makeArrayRef(Indices, NumElts),
|
|
"extract");
|
|
}
|
|
|
|
return Mask;
|
|
}
|
|
|
|
static Value *EmitX86Select(IRBuilder<> &Builder, Value *Mask,
|
|
Value *Op0, Value *Op1) {
|
|
// If the mask is all ones just emit the align operation.
|
|
if (const auto *C = dyn_cast<Constant>(Mask))
|
|
if (C->isAllOnesValue())
|
|
return Op0;
|
|
|
|
Mask = getX86MaskVec(Builder, Mask, Op0->getType()->getVectorNumElements());
|
|
return Builder.CreateSelect(Mask, Op0, Op1);
|
|
}
|
|
|
|
// Handle autoupgrade for masked PALIGNR and VALIGND/Q intrinsics.
|
|
// PALIGNR handles large immediates by shifting while VALIGN masks the immediate
|
|
// so we need to handle both cases. VALIGN also doesn't have 128-bit lanes.
|
|
static Value *UpgradeX86ALIGNIntrinsics(IRBuilder<> &Builder, Value *Op0,
|
|
Value *Op1, Value *Shift,
|
|
Value *Passthru, Value *Mask,
|
|
bool IsVALIGN) {
|
|
unsigned ShiftVal = cast<llvm::ConstantInt>(Shift)->getZExtValue();
|
|
|
|
unsigned NumElts = Op0->getType()->getVectorNumElements();
|
|
assert((IsVALIGN || NumElts % 16 == 0) && "Illegal NumElts for PALIGNR!");
|
|
assert((!IsVALIGN || NumElts <= 16) && "NumElts too large for VALIGN!");
|
|
assert(isPowerOf2_32(NumElts) && "NumElts not a power of 2!");
|
|
|
|
// Mask the immediate for VALIGN.
|
|
if (IsVALIGN)
|
|
ShiftVal &= (NumElts - 1);
|
|
|
|
// If palignr is shifting the pair of vectors more than the size of two
|
|
// lanes, emit zero.
|
|
if (ShiftVal >= 32)
|
|
return llvm::Constant::getNullValue(Op0->getType());
|
|
|
|
// If palignr is shifting the pair of input vectors more than one lane,
|
|
// but less than two lanes, convert to shifting in zeroes.
|
|
if (ShiftVal > 16) {
|
|
ShiftVal -= 16;
|
|
Op1 = Op0;
|
|
Op0 = llvm::Constant::getNullValue(Op0->getType());
|
|
}
|
|
|
|
uint32_t Indices[64];
|
|
// 256-bit palignr operates on 128-bit lanes so we need to handle that
|
|
for (unsigned l = 0; l < NumElts; l += 16) {
|
|
for (unsigned i = 0; i != 16; ++i) {
|
|
unsigned Idx = ShiftVal + i;
|
|
if (!IsVALIGN && Idx >= 16) // Disable wrap for VALIGN.
|
|
Idx += NumElts - 16; // End of lane, switch operand.
|
|
Indices[l + i] = Idx + l;
|
|
}
|
|
}
|
|
|
|
Value *Align = Builder.CreateShuffleVector(Op1, Op0,
|
|
makeArrayRef(Indices, NumElts),
|
|
"palignr");
|
|
|
|
return EmitX86Select(Builder, Mask, Align, Passthru);
|
|
}
|
|
|
|
static Value *UpgradeMaskedStore(IRBuilder<> &Builder,
|
|
Value *Ptr, Value *Data, Value *Mask,
|
|
bool Aligned) {
|
|
// Cast the pointer to the right type.
|
|
Ptr = Builder.CreateBitCast(Ptr,
|
|
llvm::PointerType::getUnqual(Data->getType()));
|
|
unsigned Align =
|
|
Aligned ? cast<VectorType>(Data->getType())->getBitWidth() / 8 : 1;
|
|
|
|
// If the mask is all ones just emit a regular store.
|
|
if (const auto *C = dyn_cast<Constant>(Mask))
|
|
if (C->isAllOnesValue())
|
|
return Builder.CreateAlignedStore(Data, Ptr, Align);
|
|
|
|
// Convert the mask from an integer type to a vector of i1.
|
|
unsigned NumElts = Data->getType()->getVectorNumElements();
|
|
Mask = getX86MaskVec(Builder, Mask, NumElts);
|
|
return Builder.CreateMaskedStore(Data, Ptr, Align, Mask);
|
|
}
|
|
|
|
static Value *UpgradeMaskedLoad(IRBuilder<> &Builder,
|
|
Value *Ptr, Value *Passthru, Value *Mask,
|
|
bool Aligned) {
|
|
// Cast the pointer to the right type.
|
|
Ptr = Builder.CreateBitCast(Ptr,
|
|
llvm::PointerType::getUnqual(Passthru->getType()));
|
|
unsigned Align =
|
|
Aligned ? cast<VectorType>(Passthru->getType())->getBitWidth() / 8 : 1;
|
|
|
|
// If the mask is all ones just emit a regular store.
|
|
if (const auto *C = dyn_cast<Constant>(Mask))
|
|
if (C->isAllOnesValue())
|
|
return Builder.CreateAlignedLoad(Ptr, Align);
|
|
|
|
// Convert the mask from an integer type to a vector of i1.
|
|
unsigned NumElts = Passthru->getType()->getVectorNumElements();
|
|
Mask = getX86MaskVec(Builder, Mask, NumElts);
|
|
return Builder.CreateMaskedLoad(Ptr, Align, Mask, Passthru);
|
|
}
|
|
|
|
static Value *upgradeAbs(IRBuilder<> &Builder, CallInst &CI) {
|
|
Value *Op0 = CI.getArgOperand(0);
|
|
llvm::Type *Ty = Op0->getType();
|
|
Value *Zero = llvm::Constant::getNullValue(Ty);
|
|
Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_SGT, Op0, Zero);
|
|
Value *Neg = Builder.CreateNeg(Op0);
|
|
Value *Res = Builder.CreateSelect(Cmp, Op0, Neg);
|
|
|
|
if (CI.getNumArgOperands() == 3)
|
|
Res = EmitX86Select(Builder,CI.getArgOperand(2), Res, CI.getArgOperand(1));
|
|
|
|
return Res;
|
|
}
|
|
|
|
static Value *upgradeIntMinMax(IRBuilder<> &Builder, CallInst &CI,
|
|
ICmpInst::Predicate Pred) {
|
|
Value *Op0 = CI.getArgOperand(0);
|
|
Value *Op1 = CI.getArgOperand(1);
|
|
Value *Cmp = Builder.CreateICmp(Pred, Op0, Op1);
|
|
Value *Res = Builder.CreateSelect(Cmp, Op0, Op1);
|
|
|
|
if (CI.getNumArgOperands() == 4)
|
|
Res = EmitX86Select(Builder, CI.getArgOperand(3), Res, CI.getArgOperand(2));
|
|
|
|
return Res;
|
|
}
|
|
|
|
static Value *upgradeMaskedCompare(IRBuilder<> &Builder, CallInst &CI,
|
|
unsigned CC, bool Signed) {
|
|
Value *Op0 = CI.getArgOperand(0);
|
|
unsigned NumElts = Op0->getType()->getVectorNumElements();
|
|
|
|
Value *Cmp;
|
|
if (CC == 3) {
|
|
Cmp = Constant::getNullValue(llvm::VectorType::get(Builder.getInt1Ty(), NumElts));
|
|
} else if (CC == 7) {
|
|
Cmp = Constant::getAllOnesValue(llvm::VectorType::get(Builder.getInt1Ty(), NumElts));
|
|
} else {
|
|
ICmpInst::Predicate Pred;
|
|
switch (CC) {
|
|
default: llvm_unreachable("Unknown condition code");
|
|
case 0: Pred = ICmpInst::ICMP_EQ; break;
|
|
case 1: Pred = Signed ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT; break;
|
|
case 2: Pred = Signed ? ICmpInst::ICMP_SLE : ICmpInst::ICMP_ULE; break;
|
|
case 4: Pred = ICmpInst::ICMP_NE; break;
|
|
case 5: Pred = Signed ? ICmpInst::ICMP_SGE : ICmpInst::ICMP_UGE; break;
|
|
case 6: Pred = Signed ? ICmpInst::ICMP_SGT : ICmpInst::ICMP_UGT; break;
|
|
}
|
|
Cmp = Builder.CreateICmp(Pred, Op0, CI.getArgOperand(1));
|
|
}
|
|
|
|
Value *Mask = CI.getArgOperand(CI.getNumArgOperands() - 1);
|
|
const auto *C = dyn_cast<Constant>(Mask);
|
|
if (!C || !C->isAllOnesValue())
|
|
Cmp = Builder.CreateAnd(Cmp, getX86MaskVec(Builder, Mask, NumElts));
|
|
|
|
if (NumElts < 8) {
|
|
uint32_t Indices[8];
|
|
for (unsigned i = 0; i != NumElts; ++i)
|
|
Indices[i] = i;
|
|
for (unsigned i = NumElts; i != 8; ++i)
|
|
Indices[i] = NumElts + i % NumElts;
|
|
Cmp = Builder.CreateShuffleVector(Cmp,
|
|
Constant::getNullValue(Cmp->getType()),
|
|
Indices);
|
|
}
|
|
return Builder.CreateBitCast(Cmp, IntegerType::get(CI.getContext(),
|
|
std::max(NumElts, 8U)));
|
|
}
|
|
|
|
// Replace a masked intrinsic with an older unmasked intrinsic.
|
|
static Value *UpgradeX86MaskedShift(IRBuilder<> &Builder, CallInst &CI,
|
|
Intrinsic::ID IID) {
|
|
Function *F = CI.getCalledFunction();
|
|
Function *Intrin = Intrinsic::getDeclaration(F->getParent(), IID);
|
|
Value *Rep = Builder.CreateCall(Intrin,
|
|
{ CI.getArgOperand(0), CI.getArgOperand(1) });
|
|
return EmitX86Select(Builder, CI.getArgOperand(3), Rep, CI.getArgOperand(2));
|
|
}
|
|
|
|
static Value* upgradeMaskedMove(IRBuilder<> &Builder, CallInst &CI) {
|
|
Value* A = CI.getArgOperand(0);
|
|
Value* B = CI.getArgOperand(1);
|
|
Value* Src = CI.getArgOperand(2);
|
|
Value* Mask = CI.getArgOperand(3);
|
|
|
|
Value* AndNode = Builder.CreateAnd(Mask, APInt(8, 1));
|
|
Value* Cmp = Builder.CreateIsNotNull(AndNode);
|
|
Value* Extract1 = Builder.CreateExtractElement(B, (uint64_t)0);
|
|
Value* Extract2 = Builder.CreateExtractElement(Src, (uint64_t)0);
|
|
Value* Select = Builder.CreateSelect(Cmp, Extract1, Extract2);
|
|
return Builder.CreateInsertElement(A, Select, (uint64_t)0);
|
|
}
|
|
|
|
|
|
static Value* UpgradeMaskToInt(IRBuilder<> &Builder, CallInst &CI) {
|
|
Value* Op = CI.getArgOperand(0);
|
|
Type* ReturnOp = CI.getType();
|
|
unsigned NumElts = CI.getType()->getVectorNumElements();
|
|
Value *Mask = getX86MaskVec(Builder, Op, NumElts);
|
|
return Builder.CreateSExt(Mask, ReturnOp, "vpmovm2");
|
|
}
|
|
|
|
/// Upgrade a call to an old intrinsic. All argument and return casting must be
|
|
/// provided to seamlessly integrate with existing context.
|
|
void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
|
|
Function *F = CI->getCalledFunction();
|
|
LLVMContext &C = CI->getContext();
|
|
IRBuilder<> Builder(C);
|
|
Builder.SetInsertPoint(CI->getParent(), CI->getIterator());
|
|
|
|
assert(F && "Intrinsic call is not direct?");
|
|
|
|
if (!NewFn) {
|
|
// Get the Function's name.
|
|
StringRef Name = F->getName();
|
|
|
|
assert(Name.startswith("llvm.") && "Intrinsic doesn't start with 'llvm.'");
|
|
Name = Name.substr(5);
|
|
|
|
bool IsX86 = Name.startswith("x86.");
|
|
if (IsX86)
|
|
Name = Name.substr(4);
|
|
bool IsNVVM = Name.startswith("nvvm.");
|
|
if (IsNVVM)
|
|
Name = Name.substr(5);
|
|
|
|
if (IsX86 && Name.startswith("sse4a.movnt.")) {
|
|
Module *M = F->getParent();
|
|
SmallVector<Metadata *, 1> Elts;
|
|
Elts.push_back(
|
|
ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(C), 1)));
|
|
MDNode *Node = MDNode::get(C, Elts);
|
|
|
|
Value *Arg0 = CI->getArgOperand(0);
|
|
Value *Arg1 = CI->getArgOperand(1);
|
|
|
|
// Nontemporal (unaligned) store of the 0'th element of the float/double
|
|
// vector.
|
|
Type *SrcEltTy = cast<VectorType>(Arg1->getType())->getElementType();
|
|
PointerType *EltPtrTy = PointerType::getUnqual(SrcEltTy);
|
|
Value *Addr = Builder.CreateBitCast(Arg0, EltPtrTy, "cast");
|
|
Value *Extract =
|
|
Builder.CreateExtractElement(Arg1, (uint64_t)0, "extractelement");
|
|
|
|
StoreInst *SI = Builder.CreateAlignedStore(Extract, Addr, 1);
|
|
SI->setMetadata(M->getMDKindID("nontemporal"), Node);
|
|
|
|
// Remove intrinsic.
|
|
CI->eraseFromParent();
|
|
return;
|
|
}
|
|
|
|
if (IsX86 && (Name.startswith("avx.movnt.") ||
|
|
Name.startswith("avx512.storent."))) {
|
|
Module *M = F->getParent();
|
|
SmallVector<Metadata *, 1> Elts;
|
|
Elts.push_back(
|
|
ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(C), 1)));
|
|
MDNode *Node = MDNode::get(C, Elts);
|
|
|
|
Value *Arg0 = CI->getArgOperand(0);
|
|
Value *Arg1 = CI->getArgOperand(1);
|
|
|
|
// Convert the type of the pointer to a pointer to the stored type.
|
|
Value *BC = Builder.CreateBitCast(Arg0,
|
|
PointerType::getUnqual(Arg1->getType()),
|
|
"cast");
|
|
VectorType *VTy = cast<VectorType>(Arg1->getType());
|
|
StoreInst *SI = Builder.CreateAlignedStore(Arg1, BC,
|
|
VTy->getBitWidth() / 8);
|
|
SI->setMetadata(M->getMDKindID("nontemporal"), Node);
|
|
|
|
// Remove intrinsic.
|
|
CI->eraseFromParent();
|
|
return;
|
|
}
|
|
|
|
if (IsX86 && Name == "sse2.storel.dq") {
|
|
Value *Arg0 = CI->getArgOperand(0);
|
|
Value *Arg1 = CI->getArgOperand(1);
|
|
|
|
Type *NewVecTy = VectorType::get(Type::getInt64Ty(C), 2);
|
|
Value *BC0 = Builder.CreateBitCast(Arg1, NewVecTy, "cast");
|
|
Value *Elt = Builder.CreateExtractElement(BC0, (uint64_t)0);
|
|
Value *BC = Builder.CreateBitCast(Arg0,
|
|
PointerType::getUnqual(Elt->getType()),
|
|
"cast");
|
|
Builder.CreateAlignedStore(Elt, BC, 1);
|
|
|
|
// Remove intrinsic.
|
|
CI->eraseFromParent();
|
|
return;
|
|
}
|
|
|
|
if (IsX86 && (Name.startswith("sse.storeu.") ||
|
|
Name.startswith("sse2.storeu.") ||
|
|
Name.startswith("avx.storeu."))) {
|
|
Value *Arg0 = CI->getArgOperand(0);
|
|
Value *Arg1 = CI->getArgOperand(1);
|
|
|
|
Arg0 = Builder.CreateBitCast(Arg0,
|
|
PointerType::getUnqual(Arg1->getType()),
|
|
"cast");
|
|
Builder.CreateAlignedStore(Arg1, Arg0, 1);
|
|
|
|
// Remove intrinsic.
|
|
CI->eraseFromParent();
|
|
return;
|
|
}
|
|
|
|
if (IsX86 && (Name.startswith("avx512.mask.store"))) {
|
|
// "avx512.mask.storeu." or "avx512.mask.store."
|
|
bool Aligned = Name[17] != 'u'; // "avx512.mask.storeu".
|
|
UpgradeMaskedStore(Builder, CI->getArgOperand(0), CI->getArgOperand(1),
|
|
CI->getArgOperand(2), Aligned);
|
|
|
|
// Remove intrinsic.
|
|
CI->eraseFromParent();
|
|
return;
|
|
}
|
|
|
|
Value *Rep;
|
|
// Upgrade packed integer vector compare intrinsics to compare instructions.
|
|
if (IsX86 && (Name.startswith("sse2.pcmp") ||
|
|
Name.startswith("avx2.pcmp"))) {
|
|
// "sse2.pcpmpeq." "sse2.pcmpgt." "avx2.pcmpeq." or "avx2.pcmpgt."
|
|
bool CmpEq = Name[9] == 'e';
|
|
Rep = Builder.CreateICmp(CmpEq ? ICmpInst::ICMP_EQ : ICmpInst::ICMP_SGT,
|
|
CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = Builder.CreateSExt(Rep, CI->getType(), "");
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.pbroadcast"))){
|
|
unsigned NumElts =
|
|
CI->getArgOperand(1)->getType()->getVectorNumElements();
|
|
Rep = Builder.CreateVectorSplat(NumElts, CI->getArgOperand(0));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
|
|
CI->getArgOperand(1));
|
|
} else if (IsX86 && (Name == "sse.add.ss" || Name == "sse2.add.sd")) {
|
|
Type *I32Ty = Type::getInt32Ty(C);
|
|
Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0),
|
|
ConstantInt::get(I32Ty, 0));
|
|
Value *Elt1 = Builder.CreateExtractElement(CI->getArgOperand(1),
|
|
ConstantInt::get(I32Ty, 0));
|
|
Rep = Builder.CreateInsertElement(CI->getArgOperand(0),
|
|
Builder.CreateFAdd(Elt0, Elt1),
|
|
ConstantInt::get(I32Ty, 0));
|
|
} else if (IsX86 && (Name == "sse.sub.ss" || Name == "sse2.sub.sd")) {
|
|
Type *I32Ty = Type::getInt32Ty(C);
|
|
Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0),
|
|
ConstantInt::get(I32Ty, 0));
|
|
Value *Elt1 = Builder.CreateExtractElement(CI->getArgOperand(1),
|
|
ConstantInt::get(I32Ty, 0));
|
|
Rep = Builder.CreateInsertElement(CI->getArgOperand(0),
|
|
Builder.CreateFSub(Elt0, Elt1),
|
|
ConstantInt::get(I32Ty, 0));
|
|
} else if (IsX86 && (Name == "sse.mul.ss" || Name == "sse2.mul.sd")) {
|
|
Type *I32Ty = Type::getInt32Ty(C);
|
|
Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0),
|
|
ConstantInt::get(I32Ty, 0));
|
|
Value *Elt1 = Builder.CreateExtractElement(CI->getArgOperand(1),
|
|
ConstantInt::get(I32Ty, 0));
|
|
Rep = Builder.CreateInsertElement(CI->getArgOperand(0),
|
|
Builder.CreateFMul(Elt0, Elt1),
|
|
ConstantInt::get(I32Ty, 0));
|
|
} else if (IsX86 && (Name == "sse.div.ss" || Name == "sse2.div.sd")) {
|
|
Type *I32Ty = Type::getInt32Ty(C);
|
|
Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0),
|
|
ConstantInt::get(I32Ty, 0));
|
|
Value *Elt1 = Builder.CreateExtractElement(CI->getArgOperand(1),
|
|
ConstantInt::get(I32Ty, 0));
|
|
Rep = Builder.CreateInsertElement(CI->getArgOperand(0),
|
|
Builder.CreateFDiv(Elt0, Elt1),
|
|
ConstantInt::get(I32Ty, 0));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.pcmp")) {
|
|
// "avx512.mask.pcmpeq." or "avx512.mask.pcmpgt."
|
|
bool CmpEq = Name[16] == 'e';
|
|
Rep = upgradeMaskedCompare(Builder, *CI, CmpEq ? 0 : 6, true);
|
|
} else if (IsX86 && Name.startswith("avx512.mask.cmp")) {
|
|
unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue();
|
|
Rep = upgradeMaskedCompare(Builder, *CI, Imm, true);
|
|
} else if (IsX86 && Name.startswith("avx512.mask.ucmp")) {
|
|
unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue();
|
|
Rep = upgradeMaskedCompare(Builder, *CI, Imm, false);
|
|
} else if(IsX86 && (Name == "ssse3.pabs.b.128" ||
|
|
Name == "ssse3.pabs.w.128" ||
|
|
Name == "ssse3.pabs.d.128" ||
|
|
Name.startswith("avx2.pabs") ||
|
|
Name.startswith("avx512.mask.pabs"))) {
|
|
Rep = upgradeAbs(Builder, *CI);
|
|
} else if (IsX86 && (Name == "sse41.pmaxsb" ||
|
|
Name == "sse2.pmaxs.w" ||
|
|
Name == "sse41.pmaxsd" ||
|
|
Name.startswith("avx2.pmaxs") ||
|
|
Name.startswith("avx512.mask.pmaxs"))) {
|
|
Rep = upgradeIntMinMax(Builder, *CI, ICmpInst::ICMP_SGT);
|
|
} else if (IsX86 && (Name == "sse2.pmaxu.b" ||
|
|
Name == "sse41.pmaxuw" ||
|
|
Name == "sse41.pmaxud" ||
|
|
Name.startswith("avx2.pmaxu") ||
|
|
Name.startswith("avx512.mask.pmaxu"))) {
|
|
Rep = upgradeIntMinMax(Builder, *CI, ICmpInst::ICMP_UGT);
|
|
} else if (IsX86 && (Name == "sse41.pminsb" ||
|
|
Name == "sse2.pmins.w" ||
|
|
Name == "sse41.pminsd" ||
|
|
Name.startswith("avx2.pmins") ||
|
|
Name.startswith("avx512.mask.pmins"))) {
|
|
Rep = upgradeIntMinMax(Builder, *CI, ICmpInst::ICMP_SLT);
|
|
} else if (IsX86 && (Name == "sse2.pminu.b" ||
|
|
Name == "sse41.pminuw" ||
|
|
Name == "sse41.pminud" ||
|
|
Name.startswith("avx2.pminu") ||
|
|
Name.startswith("avx512.mask.pminu"))) {
|
|
Rep = upgradeIntMinMax(Builder, *CI, ICmpInst::ICMP_ULT);
|
|
} else if (IsX86 && (Name == "sse2.cvtdq2pd" ||
|
|
Name == "sse2.cvtps2pd" ||
|
|
Name == "avx.cvtdq2.pd.256" ||
|
|
Name == "avx.cvt.ps2.pd.256" ||
|
|
Name.startswith("avx512.mask.cvtdq2pd.") ||
|
|
Name.startswith("avx512.mask.cvtudq2pd."))) {
|
|
// Lossless i32/float to double conversion.
|
|
// Extract the bottom elements if necessary and convert to double vector.
|
|
Value *Src = CI->getArgOperand(0);
|
|
VectorType *SrcTy = cast<VectorType>(Src->getType());
|
|
VectorType *DstTy = cast<VectorType>(CI->getType());
|
|
Rep = CI->getArgOperand(0);
|
|
|
|
unsigned NumDstElts = DstTy->getNumElements();
|
|
if (NumDstElts < SrcTy->getNumElements()) {
|
|
assert(NumDstElts == 2 && "Unexpected vector size");
|
|
uint32_t ShuffleMask[2] = { 0, 1 };
|
|
Rep = Builder.CreateShuffleVector(Rep, UndefValue::get(SrcTy),
|
|
ShuffleMask);
|
|
}
|
|
|
|
bool SInt2Double = (StringRef::npos != Name.find("cvtdq2"));
|
|
bool UInt2Double = (StringRef::npos != Name.find("cvtudq2"));
|
|
if (SInt2Double)
|
|
Rep = Builder.CreateSIToFP(Rep, DstTy, "cvtdq2pd");
|
|
else if (UInt2Double)
|
|
Rep = Builder.CreateUIToFP(Rep, DstTy, "cvtudq2pd");
|
|
else
|
|
Rep = Builder.CreateFPExt(Rep, DstTy, "cvtps2pd");
|
|
|
|
if (CI->getNumArgOperands() == 3)
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
|
|
CI->getArgOperand(1));
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.loadu."))) {
|
|
Rep = UpgradeMaskedLoad(Builder, CI->getArgOperand(0),
|
|
CI->getArgOperand(1), CI->getArgOperand(2),
|
|
/*Aligned*/false);
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.load."))) {
|
|
Rep = UpgradeMaskedLoad(Builder, CI->getArgOperand(0),
|
|
CI->getArgOperand(1),CI->getArgOperand(2),
|
|
/*Aligned*/true);
|
|
} else if (IsX86 && Name.startswith("xop.vpcom")) {
|
|
Intrinsic::ID intID;
|
|
if (Name.endswith("ub"))
|
|
intID = Intrinsic::x86_xop_vpcomub;
|
|
else if (Name.endswith("uw"))
|
|
intID = Intrinsic::x86_xop_vpcomuw;
|
|
else if (Name.endswith("ud"))
|
|
intID = Intrinsic::x86_xop_vpcomud;
|
|
else if (Name.endswith("uq"))
|
|
intID = Intrinsic::x86_xop_vpcomuq;
|
|
else if (Name.endswith("b"))
|
|
intID = Intrinsic::x86_xop_vpcomb;
|
|
else if (Name.endswith("w"))
|
|
intID = Intrinsic::x86_xop_vpcomw;
|
|
else if (Name.endswith("d"))
|
|
intID = Intrinsic::x86_xop_vpcomd;
|
|
else if (Name.endswith("q"))
|
|
intID = Intrinsic::x86_xop_vpcomq;
|
|
else
|
|
llvm_unreachable("Unknown suffix");
|
|
|
|
Name = Name.substr(9); // strip off "xop.vpcom"
|
|
unsigned Imm;
|
|
if (Name.startswith("lt"))
|
|
Imm = 0;
|
|
else if (Name.startswith("le"))
|
|
Imm = 1;
|
|
else if (Name.startswith("gt"))
|
|
Imm = 2;
|
|
else if (Name.startswith("ge"))
|
|
Imm = 3;
|
|
else if (Name.startswith("eq"))
|
|
Imm = 4;
|
|
else if (Name.startswith("ne"))
|
|
Imm = 5;
|
|
else if (Name.startswith("false"))
|
|
Imm = 6;
|
|
else if (Name.startswith("true"))
|
|
Imm = 7;
|
|
else
|
|
llvm_unreachable("Unknown condition");
|
|
|
|
Function *VPCOM = Intrinsic::getDeclaration(F->getParent(), intID);
|
|
Rep =
|
|
Builder.CreateCall(VPCOM, {CI->getArgOperand(0), CI->getArgOperand(1),
|
|
Builder.getInt8(Imm)});
|
|
} else if (IsX86 && Name.startswith("xop.vpcmov")) {
|
|
Value *Sel = CI->getArgOperand(2);
|
|
Value *NotSel = Builder.CreateNot(Sel);
|
|
Value *Sel0 = Builder.CreateAnd(CI->getArgOperand(0), Sel);
|
|
Value *Sel1 = Builder.CreateAnd(CI->getArgOperand(1), NotSel);
|
|
Rep = Builder.CreateOr(Sel0, Sel1);
|
|
} else if (IsX86 && Name == "sse42.crc32.64.8") {
|
|
Function *CRC32 = Intrinsic::getDeclaration(F->getParent(),
|
|
Intrinsic::x86_sse42_crc32_32_8);
|
|
Value *Trunc0 = Builder.CreateTrunc(CI->getArgOperand(0), Type::getInt32Ty(C));
|
|
Rep = Builder.CreateCall(CRC32, {Trunc0, CI->getArgOperand(1)});
|
|
Rep = Builder.CreateZExt(Rep, CI->getType(), "");
|
|
} else if (IsX86 && Name.startswith("avx.vbroadcast.s")) {
|
|
// Replace broadcasts with a series of insertelements.
|
|
Type *VecTy = CI->getType();
|
|
Type *EltTy = VecTy->getVectorElementType();
|
|
unsigned EltNum = VecTy->getVectorNumElements();
|
|
Value *Cast = Builder.CreateBitCast(CI->getArgOperand(0),
|
|
EltTy->getPointerTo());
|
|
Value *Load = Builder.CreateLoad(EltTy, Cast);
|
|
Type *I32Ty = Type::getInt32Ty(C);
|
|
Rep = UndefValue::get(VecTy);
|
|
for (unsigned I = 0; I < EltNum; ++I)
|
|
Rep = Builder.CreateInsertElement(Rep, Load,
|
|
ConstantInt::get(I32Ty, I));
|
|
} else if (IsX86 && (Name.startswith("sse41.pmovsx") ||
|
|
Name.startswith("sse41.pmovzx") ||
|
|
Name.startswith("avx2.pmovsx") ||
|
|
Name.startswith("avx2.pmovzx") ||
|
|
Name.startswith("avx512.mask.pmovsx") ||
|
|
Name.startswith("avx512.mask.pmovzx"))) {
|
|
VectorType *SrcTy = cast<VectorType>(CI->getArgOperand(0)->getType());
|
|
VectorType *DstTy = cast<VectorType>(CI->getType());
|
|
unsigned NumDstElts = DstTy->getNumElements();
|
|
|
|
// Extract a subvector of the first NumDstElts lanes and sign/zero extend.
|
|
SmallVector<uint32_t, 8> ShuffleMask(NumDstElts);
|
|
for (unsigned i = 0; i != NumDstElts; ++i)
|
|
ShuffleMask[i] = i;
|
|
|
|
Value *SV = Builder.CreateShuffleVector(
|
|
CI->getArgOperand(0), UndefValue::get(SrcTy), ShuffleMask);
|
|
|
|
bool DoSext = (StringRef::npos != Name.find("pmovsx"));
|
|
Rep = DoSext ? Builder.CreateSExt(SV, DstTy)
|
|
: Builder.CreateZExt(SV, DstTy);
|
|
// If there are 3 arguments, it's a masked intrinsic so we need a select.
|
|
if (CI->getNumArgOperands() == 3)
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
|
|
CI->getArgOperand(1));
|
|
} else if (IsX86 && (Name.startswith("avx.vbroadcastf128") ||
|
|
Name == "avx2.vbroadcasti128")) {
|
|
// Replace vbroadcastf128/vbroadcasti128 with a vector load+shuffle.
|
|
Type *EltTy = CI->getType()->getVectorElementType();
|
|
unsigned NumSrcElts = 128 / EltTy->getPrimitiveSizeInBits();
|
|
Type *VT = VectorType::get(EltTy, NumSrcElts);
|
|
Value *Op = Builder.CreatePointerCast(CI->getArgOperand(0),
|
|
PointerType::getUnqual(VT));
|
|
Value *Load = Builder.CreateAlignedLoad(Op, 1);
|
|
if (NumSrcElts == 2)
|
|
Rep = Builder.CreateShuffleVector(Load, UndefValue::get(Load->getType()),
|
|
{ 0, 1, 0, 1 });
|
|
else
|
|
Rep = Builder.CreateShuffleVector(Load, UndefValue::get(Load->getType()),
|
|
{ 0, 1, 2, 3, 0, 1, 2, 3 });
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.broadcastf") ||
|
|
Name.startswith("avx512.mask.broadcasti"))) {
|
|
unsigned NumSrcElts =
|
|
CI->getArgOperand(0)->getType()->getVectorNumElements();
|
|
unsigned NumDstElts = CI->getType()->getVectorNumElements();
|
|
|
|
SmallVector<uint32_t, 8> ShuffleMask(NumDstElts);
|
|
for (unsigned i = 0; i != NumDstElts; ++i)
|
|
ShuffleMask[i] = i % NumSrcElts;
|
|
|
|
Rep = Builder.CreateShuffleVector(CI->getArgOperand(0),
|
|
CI->getArgOperand(0),
|
|
ShuffleMask);
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
|
|
CI->getArgOperand(1));
|
|
} else if (IsX86 && (Name.startswith("avx2.pbroadcast") ||
|
|
Name.startswith("avx2.vbroadcast") ||
|
|
Name.startswith("avx512.pbroadcast") ||
|
|
Name.startswith("avx512.mask.broadcast.s"))) {
|
|
// Replace vp?broadcasts with a vector shuffle.
|
|
Value *Op = CI->getArgOperand(0);
|
|
unsigned NumElts = CI->getType()->getVectorNumElements();
|
|
Type *MaskTy = VectorType::get(Type::getInt32Ty(C), NumElts);
|
|
Rep = Builder.CreateShuffleVector(Op, UndefValue::get(Op->getType()),
|
|
Constant::getNullValue(MaskTy));
|
|
|
|
if (CI->getNumArgOperands() == 3)
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
|
|
CI->getArgOperand(1));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.palignr.")) {
|
|
Rep = UpgradeX86ALIGNIntrinsics(Builder, CI->getArgOperand(0),
|
|
CI->getArgOperand(1),
|
|
CI->getArgOperand(2),
|
|
CI->getArgOperand(3),
|
|
CI->getArgOperand(4),
|
|
false);
|
|
} else if (IsX86 && Name.startswith("avx512.mask.valign.")) {
|
|
Rep = UpgradeX86ALIGNIntrinsics(Builder, CI->getArgOperand(0),
|
|
CI->getArgOperand(1),
|
|
CI->getArgOperand(2),
|
|
CI->getArgOperand(3),
|
|
CI->getArgOperand(4),
|
|
true);
|
|
} else if (IsX86 && (Name == "sse2.psll.dq" ||
|
|
Name == "avx2.psll.dq")) {
|
|
// 128/256-bit shift left specified in bits.
|
|
unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
|
|
Rep = UpgradeX86PSLLDQIntrinsics(Builder, CI->getArgOperand(0),
|
|
Shift / 8); // Shift is in bits.
|
|
} else if (IsX86 && (Name == "sse2.psrl.dq" ||
|
|
Name == "avx2.psrl.dq")) {
|
|
// 128/256-bit shift right specified in bits.
|
|
unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
|
|
Rep = UpgradeX86PSRLDQIntrinsics(Builder, CI->getArgOperand(0),
|
|
Shift / 8); // Shift is in bits.
|
|
} else if (IsX86 && (Name == "sse2.psll.dq.bs" ||
|
|
Name == "avx2.psll.dq.bs" ||
|
|
Name == "avx512.psll.dq.512")) {
|
|
// 128/256/512-bit shift left specified in bytes.
|
|
unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
|
|
Rep = UpgradeX86PSLLDQIntrinsics(Builder, CI->getArgOperand(0), Shift);
|
|
} else if (IsX86 && (Name == "sse2.psrl.dq.bs" ||
|
|
Name == "avx2.psrl.dq.bs" ||
|
|
Name == "avx512.psrl.dq.512")) {
|
|
// 128/256/512-bit shift right specified in bytes.
|
|
unsigned Shift = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
|
|
Rep = UpgradeX86PSRLDQIntrinsics(Builder, CI->getArgOperand(0), Shift);
|
|
} else if (IsX86 && (Name == "sse41.pblendw" ||
|
|
Name.startswith("sse41.blendp") ||
|
|
Name.startswith("avx.blend.p") ||
|
|
Name == "avx2.pblendw" ||
|
|
Name.startswith("avx2.pblendd."))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
Value *Op1 = CI->getArgOperand(1);
|
|
unsigned Imm = cast <ConstantInt>(CI->getArgOperand(2))->getZExtValue();
|
|
VectorType *VecTy = cast<VectorType>(CI->getType());
|
|
unsigned NumElts = VecTy->getNumElements();
|
|
|
|
SmallVector<uint32_t, 16> Idxs(NumElts);
|
|
for (unsigned i = 0; i != NumElts; ++i)
|
|
Idxs[i] = ((Imm >> (i%8)) & 1) ? i + NumElts : i;
|
|
|
|
Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs);
|
|
} else if (IsX86 && (Name.startswith("avx.vinsertf128.") ||
|
|
Name == "avx2.vinserti128" ||
|
|
Name.startswith("avx512.mask.insert"))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
Value *Op1 = CI->getArgOperand(1);
|
|
unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue();
|
|
unsigned DstNumElts = CI->getType()->getVectorNumElements();
|
|
unsigned SrcNumElts = Op1->getType()->getVectorNumElements();
|
|
unsigned Scale = DstNumElts / SrcNumElts;
|
|
|
|
// Mask off the high bits of the immediate value; hardware ignores those.
|
|
Imm = Imm % Scale;
|
|
|
|
// Extend the second operand into a vector the size of the destination.
|
|
Value *UndefV = UndefValue::get(Op1->getType());
|
|
SmallVector<uint32_t, 8> Idxs(DstNumElts);
|
|
for (unsigned i = 0; i != SrcNumElts; ++i)
|
|
Idxs[i] = i;
|
|
for (unsigned i = SrcNumElts; i != DstNumElts; ++i)
|
|
Idxs[i] = SrcNumElts;
|
|
Rep = Builder.CreateShuffleVector(Op1, UndefV, Idxs);
|
|
|
|
// Insert the second operand into the first operand.
|
|
|
|
// Note that there is no guarantee that instruction lowering will actually
|
|
// produce a vinsertf128 instruction for the created shuffles. In
|
|
// particular, the 0 immediate case involves no lane changes, so it can
|
|
// be handled as a blend.
|
|
|
|
// Example of shuffle mask for 32-bit elements:
|
|
// Imm = 1 <i32 0, i32 1, i32 2, i32 3, i32 8, i32 9, i32 10, i32 11>
|
|
// Imm = 0 <i32 8, i32 9, i32 10, i32 11, i32 4, i32 5, i32 6, i32 7 >
|
|
|
|
// First fill with identify mask.
|
|
for (unsigned i = 0; i != DstNumElts; ++i)
|
|
Idxs[i] = i;
|
|
// Then replace the elements where we need to insert.
|
|
for (unsigned i = 0; i != SrcNumElts; ++i)
|
|
Idxs[i + Imm * SrcNumElts] = i + DstNumElts;
|
|
Rep = Builder.CreateShuffleVector(Op0, Rep, Idxs);
|
|
|
|
// If the intrinsic has a mask operand, handle that.
|
|
if (CI->getNumArgOperands() == 5)
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(4), Rep,
|
|
CI->getArgOperand(3));
|
|
} else if (IsX86 && (Name.startswith("avx.vextractf128.") ||
|
|
Name == "avx2.vextracti128" ||
|
|
Name.startswith("avx512.mask.vextract"))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
|
|
unsigned DstNumElts = CI->getType()->getVectorNumElements();
|
|
unsigned SrcNumElts = Op0->getType()->getVectorNumElements();
|
|
unsigned Scale = SrcNumElts / DstNumElts;
|
|
|
|
// Mask off the high bits of the immediate value; hardware ignores those.
|
|
Imm = Imm % Scale;
|
|
|
|
// Get indexes for the subvector of the input vector.
|
|
SmallVector<uint32_t, 8> Idxs(DstNumElts);
|
|
for (unsigned i = 0; i != DstNumElts; ++i) {
|
|
Idxs[i] = i + (Imm * DstNumElts);
|
|
}
|
|
Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
|
|
|
|
// If the intrinsic has a mask operand, handle that.
|
|
if (CI->getNumArgOperands() == 4)
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (!IsX86 && Name == "stackprotectorcheck") {
|
|
Rep = nullptr;
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.perm.df.") ||
|
|
Name.startswith("avx512.mask.perm.di."))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
|
|
VectorType *VecTy = cast<VectorType>(CI->getType());
|
|
unsigned NumElts = VecTy->getNumElements();
|
|
|
|
SmallVector<uint32_t, 8> Idxs(NumElts);
|
|
for (unsigned i = 0; i != NumElts; ++i)
|
|
Idxs[i] = (i & ~0x3) + ((Imm >> (2 * (i & 0x3))) & 3);
|
|
|
|
Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
|
|
|
|
if (CI->getNumArgOperands() == 4)
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && (Name.startswith("avx.vperm2f128.") ||
|
|
Name == "avx2.vperm2i128")) {
|
|
// The immediate permute control byte looks like this:
|
|
// [1:0] - select 128 bits from sources for low half of destination
|
|
// [2] - ignore
|
|
// [3] - zero low half of destination
|
|
// [5:4] - select 128 bits from sources for high half of destination
|
|
// [6] - ignore
|
|
// [7] - zero high half of destination
|
|
|
|
uint8_t Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue();
|
|
|
|
unsigned NumElts = CI->getType()->getVectorNumElements();
|
|
unsigned HalfSize = NumElts / 2;
|
|
SmallVector<uint32_t, 8> ShuffleMask(NumElts);
|
|
|
|
// Determine which operand(s) are actually in use for this instruction.
|
|
Value *V0 = (Imm & 0x02) ? CI->getArgOperand(1) : CI->getArgOperand(0);
|
|
Value *V1 = (Imm & 0x20) ? CI->getArgOperand(1) : CI->getArgOperand(0);
|
|
|
|
// If needed, replace operands based on zero mask.
|
|
V0 = (Imm & 0x08) ? ConstantAggregateZero::get(CI->getType()) : V0;
|
|
V1 = (Imm & 0x80) ? ConstantAggregateZero::get(CI->getType()) : V1;
|
|
|
|
// Permute low half of result.
|
|
unsigned StartIndex = (Imm & 0x01) ? HalfSize : 0;
|
|
for (unsigned i = 0; i < HalfSize; ++i)
|
|
ShuffleMask[i] = StartIndex + i;
|
|
|
|
// Permute high half of result.
|
|
StartIndex = (Imm & 0x10) ? HalfSize : 0;
|
|
for (unsigned i = 0; i < HalfSize; ++i)
|
|
ShuffleMask[i + HalfSize] = NumElts + StartIndex + i;
|
|
|
|
Rep = Builder.CreateShuffleVector(V0, V1, ShuffleMask);
|
|
|
|
} else if (IsX86 && (Name.startswith("avx.vpermil.") ||
|
|
Name == "sse2.pshuf.d" ||
|
|
Name.startswith("avx512.mask.vpermil.p") ||
|
|
Name.startswith("avx512.mask.pshuf.d."))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
|
|
VectorType *VecTy = cast<VectorType>(CI->getType());
|
|
unsigned NumElts = VecTy->getNumElements();
|
|
// Calculate the size of each index in the immediate.
|
|
unsigned IdxSize = 64 / VecTy->getScalarSizeInBits();
|
|
unsigned IdxMask = ((1 << IdxSize) - 1);
|
|
|
|
SmallVector<uint32_t, 8> Idxs(NumElts);
|
|
// Lookup the bits for this element, wrapping around the immediate every
|
|
// 8-bits. Elements are grouped into sets of 2 or 4 elements so we need
|
|
// to offset by the first index of each group.
|
|
for (unsigned i = 0; i != NumElts; ++i)
|
|
Idxs[i] = ((Imm >> ((i * IdxSize) % 8)) & IdxMask) | (i & ~IdxMask);
|
|
|
|
Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
|
|
|
|
if (CI->getNumArgOperands() == 4)
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && (Name == "sse2.pshufl.w" ||
|
|
Name.startswith("avx512.mask.pshufl.w."))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
|
|
unsigned NumElts = CI->getType()->getVectorNumElements();
|
|
|
|
SmallVector<uint32_t, 16> Idxs(NumElts);
|
|
for (unsigned l = 0; l != NumElts; l += 8) {
|
|
for (unsigned i = 0; i != 4; ++i)
|
|
Idxs[i + l] = ((Imm >> (2 * i)) & 0x3) + l;
|
|
for (unsigned i = 4; i != 8; ++i)
|
|
Idxs[i + l] = i + l;
|
|
}
|
|
|
|
Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
|
|
|
|
if (CI->getNumArgOperands() == 4)
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && (Name == "sse2.pshufh.w" ||
|
|
Name.startswith("avx512.mask.pshufh.w."))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
|
|
unsigned NumElts = CI->getType()->getVectorNumElements();
|
|
|
|
SmallVector<uint32_t, 16> Idxs(NumElts);
|
|
for (unsigned l = 0; l != NumElts; l += 8) {
|
|
for (unsigned i = 0; i != 4; ++i)
|
|
Idxs[i + l] = i + l;
|
|
for (unsigned i = 0; i != 4; ++i)
|
|
Idxs[i + l + 4] = ((Imm >> (2 * i)) & 0x3) + 4 + l;
|
|
}
|
|
|
|
Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
|
|
|
|
if (CI->getNumArgOperands() == 4)
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.shuf.p")) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
Value *Op1 = CI->getArgOperand(1);
|
|
unsigned Imm = cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue();
|
|
unsigned NumElts = CI->getType()->getVectorNumElements();
|
|
|
|
unsigned NumLaneElts = 128/CI->getType()->getScalarSizeInBits();
|
|
unsigned HalfLaneElts = NumLaneElts / 2;
|
|
|
|
SmallVector<uint32_t, 16> Idxs(NumElts);
|
|
for (unsigned i = 0; i != NumElts; ++i) {
|
|
// Base index is the starting element of the lane.
|
|
Idxs[i] = i - (i % NumLaneElts);
|
|
// If we are half way through the lane switch to the other source.
|
|
if ((i % NumLaneElts) >= HalfLaneElts)
|
|
Idxs[i] += NumElts;
|
|
// Now select the specific element. By adding HalfLaneElts bits from
|
|
// the immediate. Wrapping around the immediate every 8-bits.
|
|
Idxs[i] += (Imm >> ((i * HalfLaneElts) % 8)) & ((1 << HalfLaneElts) - 1);
|
|
}
|
|
|
|
Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs);
|
|
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(4), Rep,
|
|
CI->getArgOperand(3));
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.movddup") ||
|
|
Name.startswith("avx512.mask.movshdup") ||
|
|
Name.startswith("avx512.mask.movsldup"))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
unsigned NumElts = CI->getType()->getVectorNumElements();
|
|
unsigned NumLaneElts = 128/CI->getType()->getScalarSizeInBits();
|
|
|
|
unsigned Offset = 0;
|
|
if (Name.startswith("avx512.mask.movshdup."))
|
|
Offset = 1;
|
|
|
|
SmallVector<uint32_t, 16> Idxs(NumElts);
|
|
for (unsigned l = 0; l != NumElts; l += NumLaneElts)
|
|
for (unsigned i = 0; i != NumLaneElts; i += 2) {
|
|
Idxs[i + l + 0] = i + l + Offset;
|
|
Idxs[i + l + 1] = i + l + Offset;
|
|
}
|
|
|
|
Rep = Builder.CreateShuffleVector(Op0, Op0, Idxs);
|
|
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
|
|
CI->getArgOperand(1));
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.punpckl") ||
|
|
Name.startswith("avx512.mask.unpckl."))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
Value *Op1 = CI->getArgOperand(1);
|
|
int NumElts = CI->getType()->getVectorNumElements();
|
|
int NumLaneElts = 128/CI->getType()->getScalarSizeInBits();
|
|
|
|
SmallVector<uint32_t, 64> Idxs(NumElts);
|
|
for (int l = 0; l != NumElts; l += NumLaneElts)
|
|
for (int i = 0; i != NumLaneElts; ++i)
|
|
Idxs[i + l] = l + (i / 2) + NumElts * (i % 2);
|
|
|
|
Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs);
|
|
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.punpckh") ||
|
|
Name.startswith("avx512.mask.unpckh."))) {
|
|
Value *Op0 = CI->getArgOperand(0);
|
|
Value *Op1 = CI->getArgOperand(1);
|
|
int NumElts = CI->getType()->getVectorNumElements();
|
|
int NumLaneElts = 128/CI->getType()->getScalarSizeInBits();
|
|
|
|
SmallVector<uint32_t, 64> Idxs(NumElts);
|
|
for (int l = 0; l != NumElts; l += NumLaneElts)
|
|
for (int i = 0; i != NumLaneElts; ++i)
|
|
Idxs[i + l] = (NumLaneElts / 2) + l + (i / 2) + NumElts * (i % 2);
|
|
|
|
Rep = Builder.CreateShuffleVector(Op0, Op1, Idxs);
|
|
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.pand.")) {
|
|
Rep = Builder.CreateAnd(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.pandn.")) {
|
|
Rep = Builder.CreateAnd(Builder.CreateNot(CI->getArgOperand(0)),
|
|
CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.por.")) {
|
|
Rep = Builder.CreateOr(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.pxor.")) {
|
|
Rep = Builder.CreateXor(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.and.")) {
|
|
VectorType *FTy = cast<VectorType>(CI->getType());
|
|
VectorType *ITy = VectorType::getInteger(FTy);
|
|
Rep = Builder.CreateAnd(Builder.CreateBitCast(CI->getArgOperand(0), ITy),
|
|
Builder.CreateBitCast(CI->getArgOperand(1), ITy));
|
|
Rep = Builder.CreateBitCast(Rep, FTy);
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.andn.")) {
|
|
VectorType *FTy = cast<VectorType>(CI->getType());
|
|
VectorType *ITy = VectorType::getInteger(FTy);
|
|
Rep = Builder.CreateNot(Builder.CreateBitCast(CI->getArgOperand(0), ITy));
|
|
Rep = Builder.CreateAnd(Rep,
|
|
Builder.CreateBitCast(CI->getArgOperand(1), ITy));
|
|
Rep = Builder.CreateBitCast(Rep, FTy);
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.or.")) {
|
|
VectorType *FTy = cast<VectorType>(CI->getType());
|
|
VectorType *ITy = VectorType::getInteger(FTy);
|
|
Rep = Builder.CreateOr(Builder.CreateBitCast(CI->getArgOperand(0), ITy),
|
|
Builder.CreateBitCast(CI->getArgOperand(1), ITy));
|
|
Rep = Builder.CreateBitCast(Rep, FTy);
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.xor.")) {
|
|
VectorType *FTy = cast<VectorType>(CI->getType());
|
|
VectorType *ITy = VectorType::getInteger(FTy);
|
|
Rep = Builder.CreateXor(Builder.CreateBitCast(CI->getArgOperand(0), ITy),
|
|
Builder.CreateBitCast(CI->getArgOperand(1), ITy));
|
|
Rep = Builder.CreateBitCast(Rep, FTy);
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.padd.")) {
|
|
Rep = Builder.CreateAdd(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.psub.")) {
|
|
Rep = Builder.CreateSub(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.pmull.")) {
|
|
Rep = Builder.CreateMul(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.add.p"))) {
|
|
Rep = Builder.CreateFAdd(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.div.p")) {
|
|
Rep = Builder.CreateFDiv(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.mul.p")) {
|
|
Rep = Builder.CreateFMul(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.sub.p")) {
|
|
Rep = Builder.CreateFSub(CI->getArgOperand(0), CI->getArgOperand(1));
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.lzcnt.")) {
|
|
Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(),
|
|
Intrinsic::ctlz,
|
|
CI->getType()),
|
|
{ CI->getArgOperand(0), Builder.getInt1(false) });
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep,
|
|
CI->getArgOperand(1));
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.max.p") ||
|
|
Name.startswith("avx512.mask.min.p"))) {
|
|
bool IsMin = Name[13] == 'i';
|
|
VectorType *VecTy = cast<VectorType>(CI->getType());
|
|
unsigned VecWidth = VecTy->getPrimitiveSizeInBits();
|
|
unsigned EltWidth = VecTy->getScalarSizeInBits();
|
|
Intrinsic::ID IID;
|
|
if (!IsMin && VecWidth == 128 && EltWidth == 32)
|
|
IID = Intrinsic::x86_sse_max_ps;
|
|
else if (!IsMin && VecWidth == 128 && EltWidth == 64)
|
|
IID = Intrinsic::x86_sse2_max_pd;
|
|
else if (!IsMin && VecWidth == 256 && EltWidth == 32)
|
|
IID = Intrinsic::x86_avx_max_ps_256;
|
|
else if (!IsMin && VecWidth == 256 && EltWidth == 64)
|
|
IID = Intrinsic::x86_avx_max_pd_256;
|
|
else if (IsMin && VecWidth == 128 && EltWidth == 32)
|
|
IID = Intrinsic::x86_sse_min_ps;
|
|
else if (IsMin && VecWidth == 128 && EltWidth == 64)
|
|
IID = Intrinsic::x86_sse2_min_pd;
|
|
else if (IsMin && VecWidth == 256 && EltWidth == 32)
|
|
IID = Intrinsic::x86_avx_min_ps_256;
|
|
else if (IsMin && VecWidth == 256 && EltWidth == 64)
|
|
IID = Intrinsic::x86_avx_min_pd_256;
|
|
else
|
|
llvm_unreachable("Unexpected intrinsic");
|
|
|
|
Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID),
|
|
{ CI->getArgOperand(0), CI->getArgOperand(1) });
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.pshuf.b.")) {
|
|
VectorType *VecTy = cast<VectorType>(CI->getType());
|
|
Intrinsic::ID IID;
|
|
if (VecTy->getPrimitiveSizeInBits() == 128)
|
|
IID = Intrinsic::x86_ssse3_pshuf_b_128;
|
|
else if (VecTy->getPrimitiveSizeInBits() == 256)
|
|
IID = Intrinsic::x86_avx2_pshuf_b;
|
|
else if (VecTy->getPrimitiveSizeInBits() == 512)
|
|
IID = Intrinsic::x86_avx512_pshuf_b_512;
|
|
else
|
|
llvm_unreachable("Unexpected intrinsic");
|
|
|
|
Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID),
|
|
{ CI->getArgOperand(0), CI->getArgOperand(1) });
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && (Name.startswith("avx512.mask.pmul.dq.") ||
|
|
Name.startswith("avx512.mask.pmulu.dq."))) {
|
|
bool IsUnsigned = Name[16] == 'u';
|
|
VectorType *VecTy = cast<VectorType>(CI->getType());
|
|
Intrinsic::ID IID;
|
|
if (!IsUnsigned && VecTy->getPrimitiveSizeInBits() == 128)
|
|
IID = Intrinsic::x86_sse41_pmuldq;
|
|
else if (!IsUnsigned && VecTy->getPrimitiveSizeInBits() == 256)
|
|
IID = Intrinsic::x86_avx2_pmul_dq;
|
|
else if (!IsUnsigned && VecTy->getPrimitiveSizeInBits() == 512)
|
|
IID = Intrinsic::x86_avx512_pmul_dq_512;
|
|
else if (IsUnsigned && VecTy->getPrimitiveSizeInBits() == 128)
|
|
IID = Intrinsic::x86_sse2_pmulu_dq;
|
|
else if (IsUnsigned && VecTy->getPrimitiveSizeInBits() == 256)
|
|
IID = Intrinsic::x86_avx2_pmulu_dq;
|
|
else if (IsUnsigned && VecTy->getPrimitiveSizeInBits() == 512)
|
|
IID = Intrinsic::x86_avx512_pmulu_dq_512;
|
|
else
|
|
llvm_unreachable("Unexpected intrinsic");
|
|
|
|
Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID),
|
|
{ CI->getArgOperand(0), CI->getArgOperand(1) });
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.pack")) {
|
|
bool IsUnsigned = Name[16] == 'u';
|
|
bool IsDW = Name[18] == 'd';
|
|
VectorType *VecTy = cast<VectorType>(CI->getType());
|
|
Intrinsic::ID IID;
|
|
if (!IsUnsigned && !IsDW && VecTy->getPrimitiveSizeInBits() == 128)
|
|
IID = Intrinsic::x86_sse2_packsswb_128;
|
|
else if (!IsUnsigned && !IsDW && VecTy->getPrimitiveSizeInBits() == 256)
|
|
IID = Intrinsic::x86_avx2_packsswb;
|
|
else if (!IsUnsigned && !IsDW && VecTy->getPrimitiveSizeInBits() == 512)
|
|
IID = Intrinsic::x86_avx512_packsswb_512;
|
|
else if (!IsUnsigned && IsDW && VecTy->getPrimitiveSizeInBits() == 128)
|
|
IID = Intrinsic::x86_sse2_packssdw_128;
|
|
else if (!IsUnsigned && IsDW && VecTy->getPrimitiveSizeInBits() == 256)
|
|
IID = Intrinsic::x86_avx2_packssdw;
|
|
else if (!IsUnsigned && IsDW && VecTy->getPrimitiveSizeInBits() == 512)
|
|
IID = Intrinsic::x86_avx512_packssdw_512;
|
|
else if (IsUnsigned && !IsDW && VecTy->getPrimitiveSizeInBits() == 128)
|
|
IID = Intrinsic::x86_sse2_packuswb_128;
|
|
else if (IsUnsigned && !IsDW && VecTy->getPrimitiveSizeInBits() == 256)
|
|
IID = Intrinsic::x86_avx2_packuswb;
|
|
else if (IsUnsigned && !IsDW && VecTy->getPrimitiveSizeInBits() == 512)
|
|
IID = Intrinsic::x86_avx512_packuswb_512;
|
|
else if (IsUnsigned && IsDW && VecTy->getPrimitiveSizeInBits() == 128)
|
|
IID = Intrinsic::x86_sse41_packusdw;
|
|
else if (IsUnsigned && IsDW && VecTy->getPrimitiveSizeInBits() == 256)
|
|
IID = Intrinsic::x86_avx2_packusdw;
|
|
else if (IsUnsigned && IsDW && VecTy->getPrimitiveSizeInBits() == 512)
|
|
IID = Intrinsic::x86_avx512_packusdw_512;
|
|
else
|
|
llvm_unreachable("Unexpected intrinsic");
|
|
|
|
Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID),
|
|
{ CI->getArgOperand(0), CI->getArgOperand(1) });
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.startswith("avx512.mask.psll")) {
|
|
bool IsImmediate = Name[16] == 'i' ||
|
|
(Name.size() > 18 && Name[18] == 'i');
|
|
bool IsVariable = Name[16] == 'v';
|
|
char Size = Name[16] == '.' ? Name[17] :
|
|
Name[17] == '.' ? Name[18] :
|
|
Name[18] == '.' ? Name[19] :
|
|
Name[20];
|
|
|
|
Intrinsic::ID IID;
|
|
if (IsVariable && Name[17] != '.') {
|
|
if (Size == 'd' && Name[17] == '2') // avx512.mask.psllv2.di
|
|
IID = Intrinsic::x86_avx2_psllv_q;
|
|
else if (Size == 'd' && Name[17] == '4') // avx512.mask.psllv4.di
|
|
IID = Intrinsic::x86_avx2_psllv_q_256;
|
|
else if (Size == 's' && Name[17] == '4') // avx512.mask.psllv4.si
|
|
IID = Intrinsic::x86_avx2_psllv_d;
|
|
else if (Size == 's' && Name[17] == '8') // avx512.mask.psllv8.si
|
|
IID = Intrinsic::x86_avx2_psllv_d_256;
|
|
else if (Size == 'h' && Name[17] == '8') // avx512.mask.psllv8.hi
|
|
IID = Intrinsic::x86_avx512_psllv_w_128;
|
|
else if (Size == 'h' && Name[17] == '1') // avx512.mask.psllv16.hi
|
|
IID = Intrinsic::x86_avx512_psllv_w_256;
|
|
else if (Name[17] == '3' && Name[18] == '2') // avx512.mask.psllv32hi
|
|
IID = Intrinsic::x86_avx512_psllv_w_512;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
} else if (Name.endswith(".128")) {
|
|
if (Size == 'd') // avx512.mask.psll.d.128, avx512.mask.psll.di.128
|
|
IID = IsImmediate ? Intrinsic::x86_sse2_pslli_d
|
|
: Intrinsic::x86_sse2_psll_d;
|
|
else if (Size == 'q') // avx512.mask.psll.q.128, avx512.mask.psll.qi.128
|
|
IID = IsImmediate ? Intrinsic::x86_sse2_pslli_q
|
|
: Intrinsic::x86_sse2_psll_q;
|
|
else if (Size == 'w') // avx512.mask.psll.w.128, avx512.mask.psll.wi.128
|
|
IID = IsImmediate ? Intrinsic::x86_sse2_pslli_w
|
|
: Intrinsic::x86_sse2_psll_w;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
} else if (Name.endswith(".256")) {
|
|
if (Size == 'd') // avx512.mask.psll.d.256, avx512.mask.psll.di.256
|
|
IID = IsImmediate ? Intrinsic::x86_avx2_pslli_d
|
|
: Intrinsic::x86_avx2_psll_d;
|
|
else if (Size == 'q') // avx512.mask.psll.q.256, avx512.mask.psll.qi.256
|
|
IID = IsImmediate ? Intrinsic::x86_avx2_pslli_q
|
|
: Intrinsic::x86_avx2_psll_q;
|
|
else if (Size == 'w') // avx512.mask.psll.w.256, avx512.mask.psll.wi.256
|
|
IID = IsImmediate ? Intrinsic::x86_avx2_pslli_w
|
|
: Intrinsic::x86_avx2_psll_w;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
} else {
|
|
if (Size == 'd') // psll.di.512, pslli.d, psll.d, psllv.d.512
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_pslli_d_512 :
|
|
IsVariable ? Intrinsic::x86_avx512_psllv_d_512 :
|
|
Intrinsic::x86_avx512_psll_d_512;
|
|
else if (Size == 'q') // psll.qi.512, pslli.q, psll.q, psllv.q.512
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_pslli_q_512 :
|
|
IsVariable ? Intrinsic::x86_avx512_psllv_q_512 :
|
|
Intrinsic::x86_avx512_psll_q_512;
|
|
else if (Size == 'w') // psll.wi.512, pslli.w, psll.w
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_pslli_w_512
|
|
: Intrinsic::x86_avx512_psll_w_512;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
}
|
|
|
|
Rep = UpgradeX86MaskedShift(Builder, *CI, IID);
|
|
} else if (IsX86 && Name.startswith("avx512.mask.psrl")) {
|
|
bool IsImmediate = Name[16] == 'i' ||
|
|
(Name.size() > 18 && Name[18] == 'i');
|
|
bool IsVariable = Name[16] == 'v';
|
|
char Size = Name[16] == '.' ? Name[17] :
|
|
Name[17] == '.' ? Name[18] :
|
|
Name[18] == '.' ? Name[19] :
|
|
Name[20];
|
|
|
|
Intrinsic::ID IID;
|
|
if (IsVariable && Name[17] != '.') {
|
|
if (Size == 'd' && Name[17] == '2') // avx512.mask.psrlv2.di
|
|
IID = Intrinsic::x86_avx2_psrlv_q;
|
|
else if (Size == 'd' && Name[17] == '4') // avx512.mask.psrlv4.di
|
|
IID = Intrinsic::x86_avx2_psrlv_q_256;
|
|
else if (Size == 's' && Name[17] == '4') // avx512.mask.psrlv4.si
|
|
IID = Intrinsic::x86_avx2_psrlv_d;
|
|
else if (Size == 's' && Name[17] == '8') // avx512.mask.psrlv8.si
|
|
IID = Intrinsic::x86_avx2_psrlv_d_256;
|
|
else if (Size == 'h' && Name[17] == '8') // avx512.mask.psrlv8.hi
|
|
IID = Intrinsic::x86_avx512_psrlv_w_128;
|
|
else if (Size == 'h' && Name[17] == '1') // avx512.mask.psrlv16.hi
|
|
IID = Intrinsic::x86_avx512_psrlv_w_256;
|
|
else if (Name[17] == '3' && Name[18] == '2') // avx512.mask.psrlv32hi
|
|
IID = Intrinsic::x86_avx512_psrlv_w_512;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
} else if (Name.endswith(".128")) {
|
|
if (Size == 'd') // avx512.mask.psrl.d.128, avx512.mask.psrl.di.128
|
|
IID = IsImmediate ? Intrinsic::x86_sse2_psrli_d
|
|
: Intrinsic::x86_sse2_psrl_d;
|
|
else if (Size == 'q') // avx512.mask.psrl.q.128, avx512.mask.psrl.qi.128
|
|
IID = IsImmediate ? Intrinsic::x86_sse2_psrli_q
|
|
: Intrinsic::x86_sse2_psrl_q;
|
|
else if (Size == 'w') // avx512.mask.psrl.w.128, avx512.mask.psrl.wi.128
|
|
IID = IsImmediate ? Intrinsic::x86_sse2_psrli_w
|
|
: Intrinsic::x86_sse2_psrl_w;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
} else if (Name.endswith(".256")) {
|
|
if (Size == 'd') // avx512.mask.psrl.d.256, avx512.mask.psrl.di.256
|
|
IID = IsImmediate ? Intrinsic::x86_avx2_psrli_d
|
|
: Intrinsic::x86_avx2_psrl_d;
|
|
else if (Size == 'q') // avx512.mask.psrl.q.256, avx512.mask.psrl.qi.256
|
|
IID = IsImmediate ? Intrinsic::x86_avx2_psrli_q
|
|
: Intrinsic::x86_avx2_psrl_q;
|
|
else if (Size == 'w') // avx512.mask.psrl.w.256, avx512.mask.psrl.wi.256
|
|
IID = IsImmediate ? Intrinsic::x86_avx2_psrli_w
|
|
: Intrinsic::x86_avx2_psrl_w;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
} else {
|
|
if (Size == 'd') // psrl.di.512, psrli.d, psrl.d, psrl.d.512
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_psrli_d_512 :
|
|
IsVariable ? Intrinsic::x86_avx512_psrlv_d_512 :
|
|
Intrinsic::x86_avx512_psrl_d_512;
|
|
else if (Size == 'q') // psrl.qi.512, psrli.q, psrl.q, psrl.q.512
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_psrli_q_512 :
|
|
IsVariable ? Intrinsic::x86_avx512_psrlv_q_512 :
|
|
Intrinsic::x86_avx512_psrl_q_512;
|
|
else if (Size == 'w') // psrl.wi.512, psrli.w, psrl.w)
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_psrli_w_512
|
|
: Intrinsic::x86_avx512_psrl_w_512;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
}
|
|
|
|
Rep = UpgradeX86MaskedShift(Builder, *CI, IID);
|
|
} else if (IsX86 && Name.startswith("avx512.mask.psra")) {
|
|
bool IsImmediate = Name[16] == 'i' ||
|
|
(Name.size() > 18 && Name[18] == 'i');
|
|
bool IsVariable = Name[16] == 'v';
|
|
char Size = Name[16] == '.' ? Name[17] :
|
|
Name[17] == '.' ? Name[18] :
|
|
Name[18] == '.' ? Name[19] :
|
|
Name[20];
|
|
|
|
Intrinsic::ID IID;
|
|
if (IsVariable && Name[17] != '.') {
|
|
if (Size == 's' && Name[17] == '4') // avx512.mask.psrav4.si
|
|
IID = Intrinsic::x86_avx2_psrav_d;
|
|
else if (Size == 's' && Name[17] == '8') // avx512.mask.psrav8.si
|
|
IID = Intrinsic::x86_avx2_psrav_d_256;
|
|
else if (Size == 'h' && Name[17] == '8') // avx512.mask.psrav8.hi
|
|
IID = Intrinsic::x86_avx512_psrav_w_128;
|
|
else if (Size == 'h' && Name[17] == '1') // avx512.mask.psrav16.hi
|
|
IID = Intrinsic::x86_avx512_psrav_w_256;
|
|
else if (Name[17] == '3' && Name[18] == '2') // avx512.mask.psrav32hi
|
|
IID = Intrinsic::x86_avx512_psrav_w_512;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
} else if (Name.endswith(".128")) {
|
|
if (Size == 'd') // avx512.mask.psra.d.128, avx512.mask.psra.di.128
|
|
IID = IsImmediate ? Intrinsic::x86_sse2_psrai_d
|
|
: Intrinsic::x86_sse2_psra_d;
|
|
else if (Size == 'q') // avx512.mask.psra.q.128, avx512.mask.psra.qi.128
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_psrai_q_128 :
|
|
IsVariable ? Intrinsic::x86_avx512_psrav_q_128 :
|
|
Intrinsic::x86_avx512_psra_q_128;
|
|
else if (Size == 'w') // avx512.mask.psra.w.128, avx512.mask.psra.wi.128
|
|
IID = IsImmediate ? Intrinsic::x86_sse2_psrai_w
|
|
: Intrinsic::x86_sse2_psra_w;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
} else if (Name.endswith(".256")) {
|
|
if (Size == 'd') // avx512.mask.psra.d.256, avx512.mask.psra.di.256
|
|
IID = IsImmediate ? Intrinsic::x86_avx2_psrai_d
|
|
: Intrinsic::x86_avx2_psra_d;
|
|
else if (Size == 'q') // avx512.mask.psra.q.256, avx512.mask.psra.qi.256
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_psrai_q_256 :
|
|
IsVariable ? Intrinsic::x86_avx512_psrav_q_256 :
|
|
Intrinsic::x86_avx512_psra_q_256;
|
|
else if (Size == 'w') // avx512.mask.psra.w.256, avx512.mask.psra.wi.256
|
|
IID = IsImmediate ? Intrinsic::x86_avx2_psrai_w
|
|
: Intrinsic::x86_avx2_psra_w;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
} else {
|
|
if (Size == 'd') // psra.di.512, psrai.d, psra.d, psrav.d.512
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_psrai_d_512 :
|
|
IsVariable ? Intrinsic::x86_avx512_psrav_d_512 :
|
|
Intrinsic::x86_avx512_psra_d_512;
|
|
else if (Size == 'q') // psra.qi.512, psrai.q, psra.q
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_psrai_q_512 :
|
|
IsVariable ? Intrinsic::x86_avx512_psrav_q_512 :
|
|
Intrinsic::x86_avx512_psra_q_512;
|
|
else if (Size == 'w') // psra.wi.512, psrai.w, psra.w
|
|
IID = IsImmediate ? Intrinsic::x86_avx512_psrai_w_512
|
|
: Intrinsic::x86_avx512_psra_w_512;
|
|
else
|
|
llvm_unreachable("Unexpected size");
|
|
}
|
|
|
|
Rep = UpgradeX86MaskedShift(Builder, *CI, IID);
|
|
} else if (IsX86 && Name.startswith("avx512.mask.move.s")) {
|
|
Rep = upgradeMaskedMove(Builder, *CI);
|
|
} else if (IsX86 && Name.startswith("avx512.cvtmask2")) {
|
|
Rep = UpgradeMaskToInt(Builder, *CI);
|
|
} else if (IsX86 && Name.startswith("avx512.mask.vpermilvar.")) {
|
|
Intrinsic::ID IID;
|
|
if (Name.endswith("ps.128"))
|
|
IID = Intrinsic::x86_avx_vpermilvar_ps;
|
|
else if (Name.endswith("pd.128"))
|
|
IID = Intrinsic::x86_avx_vpermilvar_pd;
|
|
else if (Name.endswith("ps.256"))
|
|
IID = Intrinsic::x86_avx_vpermilvar_ps_256;
|
|
else if (Name.endswith("pd.256"))
|
|
IID = Intrinsic::x86_avx_vpermilvar_pd_256;
|
|
else if (Name.endswith("ps.512"))
|
|
IID = Intrinsic::x86_avx512_vpermilvar_ps_512;
|
|
else if (Name.endswith("pd.512"))
|
|
IID = Intrinsic::x86_avx512_vpermilvar_pd_512;
|
|
else
|
|
llvm_unreachable("Unexpected vpermilvar intrinsic");
|
|
|
|
Function *Intrin = Intrinsic::getDeclaration(F->getParent(), IID);
|
|
Rep = Builder.CreateCall(Intrin,
|
|
{ CI->getArgOperand(0), CI->getArgOperand(1) });
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
} else if (IsX86 && Name.endswith(".movntdqa")) {
|
|
Module *M = F->getParent();
|
|
MDNode *Node = MDNode::get(
|
|
C, ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(C), 1)));
|
|
|
|
Value *Ptr = CI->getArgOperand(0);
|
|
VectorType *VTy = cast<VectorType>(CI->getType());
|
|
|
|
// Convert the type of the pointer to a pointer to the stored type.
|
|
Value *BC =
|
|
Builder.CreateBitCast(Ptr, PointerType::getUnqual(VTy), "cast");
|
|
LoadInst *LI = Builder.CreateAlignedLoad(BC, VTy->getBitWidth() / 8);
|
|
LI->setMetadata(M->getMDKindID("nontemporal"), Node);
|
|
Rep = LI;
|
|
} else if (IsX86 &&
|
|
(Name.startswith("sse2.pavg") || Name.startswith("avx2.pavg") ||
|
|
Name.startswith("avx512.mask.pavg"))) {
|
|
// llvm.x86.sse2.pavg.b/w, llvm.x86.avx2.pavg.b/w,
|
|
// llvm.x86.avx512.mask.pavg.b/w
|
|
Value *A = CI->getArgOperand(0);
|
|
Value *B = CI->getArgOperand(1);
|
|
VectorType *ZextType = VectorType::getExtendedElementVectorType(
|
|
cast<VectorType>(A->getType()));
|
|
Value *ExtendedA = Builder.CreateZExt(A, ZextType);
|
|
Value *ExtendedB = Builder.CreateZExt(B, ZextType);
|
|
Value *Sum = Builder.CreateAdd(ExtendedA, ExtendedB);
|
|
Value *AddOne = Builder.CreateAdd(Sum, ConstantInt::get(ZextType, 1));
|
|
Value *ShiftR = Builder.CreateLShr(AddOne, ConstantInt::get(ZextType, 1));
|
|
Rep = Builder.CreateTrunc(ShiftR, A->getType());
|
|
if (CI->getNumArgOperands() > 2) {
|
|
Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep,
|
|
CI->getArgOperand(2));
|
|
}
|
|
} else if (IsNVVM && (Name == "abs.i" || Name == "abs.ll")) {
|
|
Value *Arg = CI->getArgOperand(0);
|
|
Value *Neg = Builder.CreateNeg(Arg, "neg");
|
|
Value *Cmp = Builder.CreateICmpSGE(
|
|
Arg, llvm::Constant::getNullValue(Arg->getType()), "abs.cond");
|
|
Rep = Builder.CreateSelect(Cmp, Arg, Neg, "abs");
|
|
} else if (IsNVVM && (Name == "max.i" || Name == "max.ll" ||
|
|
Name == "max.ui" || Name == "max.ull")) {
|
|
Value *Arg0 = CI->getArgOperand(0);
|
|
Value *Arg1 = CI->getArgOperand(1);
|
|
Value *Cmp = Name.endswith(".ui") || Name.endswith(".ull")
|
|
? Builder.CreateICmpUGE(Arg0, Arg1, "max.cond")
|
|
: Builder.CreateICmpSGE(Arg0, Arg1, "max.cond");
|
|
Rep = Builder.CreateSelect(Cmp, Arg0, Arg1, "max");
|
|
} else if (IsNVVM && (Name == "min.i" || Name == "min.ll" ||
|
|
Name == "min.ui" || Name == "min.ull")) {
|
|
Value *Arg0 = CI->getArgOperand(0);
|
|
Value *Arg1 = CI->getArgOperand(1);
|
|
Value *Cmp = Name.endswith(".ui") || Name.endswith(".ull")
|
|
? Builder.CreateICmpULE(Arg0, Arg1, "min.cond")
|
|
: Builder.CreateICmpSLE(Arg0, Arg1, "min.cond");
|
|
Rep = Builder.CreateSelect(Cmp, Arg0, Arg1, "min");
|
|
} else if (IsNVVM && Name == "clz.ll") {
|
|
// llvm.nvvm.clz.ll returns an i32, but llvm.ctlz.i64 and returns an i64.
|
|
Value *Arg = CI->getArgOperand(0);
|
|
Value *Ctlz = Builder.CreateCall(
|
|
Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctlz,
|
|
{Arg->getType()}),
|
|
{Arg, Builder.getFalse()}, "ctlz");
|
|
Rep = Builder.CreateTrunc(Ctlz, Builder.getInt32Ty(), "ctlz.trunc");
|
|
} else if (IsNVVM && Name == "popc.ll") {
|
|
// llvm.nvvm.popc.ll returns an i32, but llvm.ctpop.i64 and returns an
|
|
// i64.
|
|
Value *Arg = CI->getArgOperand(0);
|
|
Value *Popc = Builder.CreateCall(
|
|
Intrinsic::getDeclaration(F->getParent(), Intrinsic::ctpop,
|
|
{Arg->getType()}),
|
|
Arg, "ctpop");
|
|
Rep = Builder.CreateTrunc(Popc, Builder.getInt32Ty(), "ctpop.trunc");
|
|
} else if (IsNVVM && Name == "h2f") {
|
|
Rep = Builder.CreateCall(Intrinsic::getDeclaration(
|
|
F->getParent(), Intrinsic::convert_from_fp16,
|
|
{Builder.getFloatTy()}),
|
|
CI->getArgOperand(0), "h2f");
|
|
} else {
|
|
llvm_unreachable("Unknown function for CallInst upgrade.");
|
|
}
|
|
|
|
if (Rep)
|
|
CI->replaceAllUsesWith(Rep);
|
|
CI->eraseFromParent();
|
|
return;
|
|
}
|
|
|
|
CallInst *NewCall = nullptr;
|
|
switch (NewFn->getIntrinsicID()) {
|
|
default: {
|
|
// Handle generic mangling change, but nothing else
|
|
assert(
|
|
(CI->getCalledFunction()->getName() != NewFn->getName()) &&
|
|
"Unknown function for CallInst upgrade and isn't just a name change");
|
|
CI->setCalledFunction(NewFn);
|
|
return;
|
|
}
|
|
|
|
case Intrinsic::arm_neon_vld1:
|
|
case Intrinsic::arm_neon_vld2:
|
|
case Intrinsic::arm_neon_vld3:
|
|
case Intrinsic::arm_neon_vld4:
|
|
case Intrinsic::arm_neon_vld2lane:
|
|
case Intrinsic::arm_neon_vld3lane:
|
|
case Intrinsic::arm_neon_vld4lane:
|
|
case Intrinsic::arm_neon_vst1:
|
|
case Intrinsic::arm_neon_vst2:
|
|
case Intrinsic::arm_neon_vst3:
|
|
case Intrinsic::arm_neon_vst4:
|
|
case Intrinsic::arm_neon_vst2lane:
|
|
case Intrinsic::arm_neon_vst3lane:
|
|
case Intrinsic::arm_neon_vst4lane: {
|
|
SmallVector<Value *, 4> Args(CI->arg_operands().begin(),
|
|
CI->arg_operands().end());
|
|
NewCall = Builder.CreateCall(NewFn, Args);
|
|
break;
|
|
}
|
|
|
|
case Intrinsic::bitreverse:
|
|
NewCall = Builder.CreateCall(NewFn, {CI->getArgOperand(0)});
|
|
break;
|
|
|
|
case Intrinsic::ctlz:
|
|
case Intrinsic::cttz:
|
|
assert(CI->getNumArgOperands() == 1 &&
|
|
"Mismatch between function args and call args");
|
|
NewCall =
|
|
Builder.CreateCall(NewFn, {CI->getArgOperand(0), Builder.getFalse()});
|
|
break;
|
|
|
|
case Intrinsic::objectsize: {
|
|
Value *NullIsUnknownSize = CI->getNumArgOperands() == 2
|
|
? Builder.getFalse()
|
|
: CI->getArgOperand(2);
|
|
NewCall = Builder.CreateCall(
|
|
NewFn, {CI->getArgOperand(0), CI->getArgOperand(1), NullIsUnknownSize});
|
|
break;
|
|
}
|
|
|
|
case Intrinsic::ctpop:
|
|
NewCall = Builder.CreateCall(NewFn, {CI->getArgOperand(0)});
|
|
break;
|
|
|
|
case Intrinsic::convert_from_fp16:
|
|
NewCall = Builder.CreateCall(NewFn, {CI->getArgOperand(0)});
|
|
break;
|
|
|
|
case Intrinsic::dbg_value:
|
|
// Upgrade from the old version that had an extra offset argument.
|
|
assert(CI->getNumArgOperands() == 4);
|
|
// Drop nonzero offsets instead of attempting to upgrade them.
|
|
if (auto *Offset = dyn_cast_or_null<Constant>(CI->getArgOperand(1)))
|
|
if (Offset->isZeroValue()) {
|
|
NewCall = Builder.CreateCall(
|
|
NewFn,
|
|
{CI->getArgOperand(0), CI->getArgOperand(2), CI->getArgOperand(3)});
|
|
break;
|
|
}
|
|
CI->eraseFromParent();
|
|
return;
|
|
|
|
case Intrinsic::x86_xop_vfrcz_ss:
|
|
case Intrinsic::x86_xop_vfrcz_sd:
|
|
NewCall = Builder.CreateCall(NewFn, {CI->getArgOperand(1)});
|
|
break;
|
|
|
|
case Intrinsic::x86_xop_vpermil2pd:
|
|
case Intrinsic::x86_xop_vpermil2ps:
|
|
case Intrinsic::x86_xop_vpermil2pd_256:
|
|
case Intrinsic::x86_xop_vpermil2ps_256: {
|
|
SmallVector<Value *, 4> Args(CI->arg_operands().begin(),
|
|
CI->arg_operands().end());
|
|
VectorType *FltIdxTy = cast<VectorType>(Args[2]->getType());
|
|
VectorType *IntIdxTy = VectorType::getInteger(FltIdxTy);
|
|
Args[2] = Builder.CreateBitCast(Args[2], IntIdxTy);
|
|
NewCall = Builder.CreateCall(NewFn, Args);
|
|
break;
|
|
}
|
|
|
|
case Intrinsic::x86_sse41_ptestc:
|
|
case Intrinsic::x86_sse41_ptestz:
|
|
case Intrinsic::x86_sse41_ptestnzc: {
|
|
// The arguments for these intrinsics used to be v4f32, and changed
|
|
// to v2i64. This is purely a nop, since those are bitwise intrinsics.
|
|
// So, the only thing required is a bitcast for both arguments.
|
|
// First, check the arguments have the old type.
|
|
Value *Arg0 = CI->getArgOperand(0);
|
|
if (Arg0->getType() != VectorType::get(Type::getFloatTy(C), 4))
|
|
return;
|
|
|
|
// Old intrinsic, add bitcasts
|
|
Value *Arg1 = CI->getArgOperand(1);
|
|
|
|
Type *NewVecTy = VectorType::get(Type::getInt64Ty(C), 2);
|
|
|
|
Value *BC0 = Builder.CreateBitCast(Arg0, NewVecTy, "cast");
|
|
Value *BC1 = Builder.CreateBitCast(Arg1, NewVecTy, "cast");
|
|
|
|
NewCall = Builder.CreateCall(NewFn, {BC0, BC1});
|
|
break;
|
|
}
|
|
|
|
case Intrinsic::x86_sse41_insertps:
|
|
case Intrinsic::x86_sse41_dppd:
|
|
case Intrinsic::x86_sse41_dpps:
|
|
case Intrinsic::x86_sse41_mpsadbw:
|
|
case Intrinsic::x86_avx_dp_ps_256:
|
|
case Intrinsic::x86_avx2_mpsadbw: {
|
|
// Need to truncate the last argument from i32 to i8 -- this argument models
|
|
// an inherently 8-bit immediate operand to these x86 instructions.
|
|
SmallVector<Value *, 4> Args(CI->arg_operands().begin(),
|
|
CI->arg_operands().end());
|
|
|
|
// Replace the last argument with a trunc.
|
|
Args.back() = Builder.CreateTrunc(Args.back(), Type::getInt8Ty(C), "trunc");
|
|
NewCall = Builder.CreateCall(NewFn, Args);
|
|
break;
|
|
}
|
|
|
|
case Intrinsic::thread_pointer: {
|
|
NewCall = Builder.CreateCall(NewFn, {});
|
|
break;
|
|
}
|
|
|
|
case Intrinsic::invariant_start:
|
|
case Intrinsic::invariant_end:
|
|
case Intrinsic::masked_load:
|
|
case Intrinsic::masked_store:
|
|
case Intrinsic::masked_gather:
|
|
case Intrinsic::masked_scatter: {
|
|
SmallVector<Value *, 4> Args(CI->arg_operands().begin(),
|
|
CI->arg_operands().end());
|
|
NewCall = Builder.CreateCall(NewFn, Args);
|
|
break;
|
|
}
|
|
}
|
|
assert(NewCall && "Should have either set this variable or returned through "
|
|
"the default case");
|
|
std::string Name = CI->getName();
|
|
if (!Name.empty()) {
|
|
CI->setName(Name + ".old");
|
|
NewCall->setName(Name);
|
|
}
|
|
CI->replaceAllUsesWith(NewCall);
|
|
CI->eraseFromParent();
|
|
}
|
|
|
|
void llvm::UpgradeCallsToIntrinsic(Function *F) {
|
|
assert(F && "Illegal attempt to upgrade a non-existent intrinsic.");
|
|
|
|
// Check if this function should be upgraded and get the replacement function
|
|
// if there is one.
|
|
Function *NewFn;
|
|
if (UpgradeIntrinsicFunction(F, NewFn)) {
|
|
// Replace all users of the old function with the new function or new
|
|
// instructions. This is not a range loop because the call is deleted.
|
|
for (auto UI = F->user_begin(), UE = F->user_end(); UI != UE; )
|
|
if (CallInst *CI = dyn_cast<CallInst>(*UI++))
|
|
UpgradeIntrinsicCall(CI, NewFn);
|
|
|
|
// Remove old function, no longer used, from the module.
|
|
F->eraseFromParent();
|
|
}
|
|
}
|
|
|
|
MDNode *llvm::UpgradeTBAANode(MDNode &MD) {
|
|
// Check if the tag uses struct-path aware TBAA format.
|
|
if (isa<MDNode>(MD.getOperand(0)) && MD.getNumOperands() >= 3)
|
|
return &MD;
|
|
|
|
auto &Context = MD.getContext();
|
|
if (MD.getNumOperands() == 3) {
|
|
Metadata *Elts[] = {MD.getOperand(0), MD.getOperand(1)};
|
|
MDNode *ScalarType = MDNode::get(Context, Elts);
|
|
// Create a MDNode <ScalarType, ScalarType, offset 0, const>
|
|
Metadata *Elts2[] = {ScalarType, ScalarType,
|
|
ConstantAsMetadata::get(
|
|
Constant::getNullValue(Type::getInt64Ty(Context))),
|
|
MD.getOperand(2)};
|
|
return MDNode::get(Context, Elts2);
|
|
}
|
|
// Create a MDNode <MD, MD, offset 0>
|
|
Metadata *Elts[] = {&MD, &MD, ConstantAsMetadata::get(Constant::getNullValue(
|
|
Type::getInt64Ty(Context)))};
|
|
return MDNode::get(Context, Elts);
|
|
}
|
|
|
|
Instruction *llvm::UpgradeBitCastInst(unsigned Opc, Value *V, Type *DestTy,
|
|
Instruction *&Temp) {
|
|
if (Opc != Instruction::BitCast)
|
|
return nullptr;
|
|
|
|
Temp = nullptr;
|
|
Type *SrcTy = V->getType();
|
|
if (SrcTy->isPtrOrPtrVectorTy() && DestTy->isPtrOrPtrVectorTy() &&
|
|
SrcTy->getPointerAddressSpace() != DestTy->getPointerAddressSpace()) {
|
|
LLVMContext &Context = V->getContext();
|
|
|
|
// We have no information about target data layout, so we assume that
|
|
// the maximum pointer size is 64bit.
|
|
Type *MidTy = Type::getInt64Ty(Context);
|
|
Temp = CastInst::Create(Instruction::PtrToInt, V, MidTy);
|
|
|
|
return CastInst::Create(Instruction::IntToPtr, Temp, DestTy);
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
Value *llvm::UpgradeBitCastExpr(unsigned Opc, Constant *C, Type *DestTy) {
|
|
if (Opc != Instruction::BitCast)
|
|
return nullptr;
|
|
|
|
Type *SrcTy = C->getType();
|
|
if (SrcTy->isPtrOrPtrVectorTy() && DestTy->isPtrOrPtrVectorTy() &&
|
|
SrcTy->getPointerAddressSpace() != DestTy->getPointerAddressSpace()) {
|
|
LLVMContext &Context = C->getContext();
|
|
|
|
// We have no information about target data layout, so we assume that
|
|
// the maximum pointer size is 64bit.
|
|
Type *MidTy = Type::getInt64Ty(Context);
|
|
|
|
return ConstantExpr::getIntToPtr(ConstantExpr::getPtrToInt(C, MidTy),
|
|
DestTy);
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
/// Check the debug info version number, if it is out-dated, drop the debug
|
|
/// info. Return true if module is modified.
|
|
bool llvm::UpgradeDebugInfo(Module &M) {
|
|
unsigned Version = getDebugMetadataVersionFromModule(M);
|
|
if (Version == DEBUG_METADATA_VERSION)
|
|
return false;
|
|
|
|
bool RetCode = StripDebugInfo(M);
|
|
if (RetCode) {
|
|
DiagnosticInfoDebugMetadataVersion DiagVersion(M, Version);
|
|
M.getContext().diagnose(DiagVersion);
|
|
}
|
|
return RetCode;
|
|
}
|
|
|
|
bool llvm::UpgradeModuleFlags(Module &M) {
|
|
NamedMDNode *ModFlags = M.getModuleFlagsMetadata();
|
|
if (!ModFlags)
|
|
return false;
|
|
|
|
bool HasObjCFlag = false, HasClassProperties = false, Changed = false;
|
|
for (unsigned I = 0, E = ModFlags->getNumOperands(); I != E; ++I) {
|
|
MDNode *Op = ModFlags->getOperand(I);
|
|
if (Op->getNumOperands() != 3)
|
|
continue;
|
|
MDString *ID = dyn_cast_or_null<MDString>(Op->getOperand(1));
|
|
if (!ID)
|
|
continue;
|
|
if (ID->getString() == "Objective-C Image Info Version")
|
|
HasObjCFlag = true;
|
|
if (ID->getString() == "Objective-C Class Properties")
|
|
HasClassProperties = true;
|
|
// Upgrade PIC/PIE Module Flags. The module flag behavior for these two
|
|
// field was Error and now they are Max.
|
|
if (ID->getString() == "PIC Level" || ID->getString() == "PIE Level") {
|
|
if (auto *Behavior =
|
|
mdconst::dyn_extract_or_null<ConstantInt>(Op->getOperand(0))) {
|
|
if (Behavior->getLimitedValue() == Module::Error) {
|
|
Type *Int32Ty = Type::getInt32Ty(M.getContext());
|
|
Metadata *Ops[3] = {
|
|
ConstantAsMetadata::get(ConstantInt::get(Int32Ty, Module::Max)),
|
|
MDString::get(M.getContext(), ID->getString()),
|
|
Op->getOperand(2)};
|
|
ModFlags->setOperand(I, MDNode::get(M.getContext(), Ops));
|
|
Changed = true;
|
|
}
|
|
}
|
|
}
|
|
// Upgrade Objective-C Image Info Section. Removed the whitespce in the
|
|
// section name so that llvm-lto will not complain about mismatching
|
|
// module flags that is functionally the same.
|
|
if (ID->getString() == "Objective-C Image Info Section") {
|
|
if (auto *Value = dyn_cast_or_null<MDString>(Op->getOperand(2))) {
|
|
SmallVector<StringRef, 4> ValueComp;
|
|
Value->getString().split(ValueComp, " ");
|
|
if (ValueComp.size() != 1) {
|
|
std::string NewValue;
|
|
for (auto &S : ValueComp)
|
|
NewValue += S.str();
|
|
Metadata *Ops[3] = {Op->getOperand(0), Op->getOperand(1),
|
|
MDString::get(M.getContext(), NewValue)};
|
|
ModFlags->setOperand(I, MDNode::get(M.getContext(), Ops));
|
|
Changed = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// "Objective-C Class Properties" is recently added for Objective-C. We
|
|
// upgrade ObjC bitcodes to contain a "Objective-C Class Properties" module
|
|
// flag of value 0, so we can correclty downgrade this flag when trying to
|
|
// link an ObjC bitcode without this module flag with an ObjC bitcode with
|
|
// this module flag.
|
|
if (HasObjCFlag && !HasClassProperties) {
|
|
M.addModuleFlag(llvm::Module::Override, "Objective-C Class Properties",
|
|
(uint32_t)0);
|
|
Changed = true;
|
|
}
|
|
|
|
return Changed;
|
|
}
|
|
|
|
static bool isOldLoopArgument(Metadata *MD) {
|
|
auto *T = dyn_cast_or_null<MDTuple>(MD);
|
|
if (!T)
|
|
return false;
|
|
if (T->getNumOperands() < 1)
|
|
return false;
|
|
auto *S = dyn_cast_or_null<MDString>(T->getOperand(0));
|
|
if (!S)
|
|
return false;
|
|
return S->getString().startswith("llvm.vectorizer.");
|
|
}
|
|
|
|
static MDString *upgradeLoopTag(LLVMContext &C, StringRef OldTag) {
|
|
StringRef OldPrefix = "llvm.vectorizer.";
|
|
assert(OldTag.startswith(OldPrefix) && "Expected old prefix");
|
|
|
|
if (OldTag == "llvm.vectorizer.unroll")
|
|
return MDString::get(C, "llvm.loop.interleave.count");
|
|
|
|
return MDString::get(
|
|
C, (Twine("llvm.loop.vectorize.") + OldTag.drop_front(OldPrefix.size()))
|
|
.str());
|
|
}
|
|
|
|
static Metadata *upgradeLoopArgument(Metadata *MD) {
|
|
auto *T = dyn_cast_or_null<MDTuple>(MD);
|
|
if (!T)
|
|
return MD;
|
|
if (T->getNumOperands() < 1)
|
|
return MD;
|
|
auto *OldTag = dyn_cast_or_null<MDString>(T->getOperand(0));
|
|
if (!OldTag)
|
|
return MD;
|
|
if (!OldTag->getString().startswith("llvm.vectorizer."))
|
|
return MD;
|
|
|
|
// This has an old tag. Upgrade it.
|
|
SmallVector<Metadata *, 8> Ops;
|
|
Ops.reserve(T->getNumOperands());
|
|
Ops.push_back(upgradeLoopTag(T->getContext(), OldTag->getString()));
|
|
for (unsigned I = 1, E = T->getNumOperands(); I != E; ++I)
|
|
Ops.push_back(T->getOperand(I));
|
|
|
|
return MDTuple::get(T->getContext(), Ops);
|
|
}
|
|
|
|
MDNode *llvm::upgradeInstructionLoopAttachment(MDNode &N) {
|
|
auto *T = dyn_cast<MDTuple>(&N);
|
|
if (!T)
|
|
return &N;
|
|
|
|
if (none_of(T->operands(), isOldLoopArgument))
|
|
return &N;
|
|
|
|
SmallVector<Metadata *, 8> Ops;
|
|
Ops.reserve(T->getNumOperands());
|
|
for (Metadata *MD : T->operands())
|
|
Ops.push_back(upgradeLoopArgument(MD));
|
|
|
|
return MDTuple::get(T->getContext(), Ops);
|
|
}
|