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[AssumeBundles] Preserve Information from Load/Store
Summary: This patch preserve dereferenceable, nonnull and alignment from loads and stores. Reviewers: jdoerfert Subscribers: hiraditya, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D76759
This commit is contained in:
Tyker
parent
e90f44b7eb
commit
163478bdde
@ -8,6 +8,7 @@
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#include "llvm/IR/KnowledgeRetention.h"
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#include "llvm/ADT/DenseSet.h"
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#include "llvm/IR/Function.h"
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#include "llvm/IR/InstIterator.h"
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#include "llvm/IR/IntrinsicInst.h"
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#include "llvm/IR/Module.h"
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@ -173,9 +174,49 @@ struct AssumeBuilderState {
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FnAssume, ArrayRef<Value *>({ConstantInt::getTrue(C)}), OpBundle));
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}
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void addInstruction(const Instruction *I) {
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void addAttr(Attribute::AttrKind Kind, Value *Ptr, unsigned Argument = 0) {
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AssumedKnowledge AK;
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AK.Name = Attribute::getNameFromAttrKind(Kind).data();
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AK.WasOn.setPointer(Ptr);
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if (Attribute::doesAttrKindHaveArgument(Kind)) {
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AK.Argument =
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ConstantInt::get(Type::getInt64Ty(M->getContext()), Argument);
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} else {
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AK.Argument = nullptr;
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assert(Argument == 0 && "there should be no argument");
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}
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AssumedKnowledgeSet.insert(AK);
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};
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void addLoadOrStore(Instruction *I) {
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auto Impl = [&](auto *MemInst, Type *T) {
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uint64_t DerefSize =
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I->getModule()->getDataLayout().getTypeStoreSize(T).getKnownMinSize();
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if (DerefSize != 0) {
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addAttr(Attribute::Dereferenceable, MemInst->getPointerOperand(),
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DerefSize);
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if (!NullPointerIsDefined(MemInst->getFunction(),
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MemInst->getPointerOperand()
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->getType()
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->getPointerAddressSpace()))
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addAttr(Attribute::NonNull, MemInst->getPointerOperand());
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}
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MaybeAlign MA = MemInst->getAlign();
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if (MA.valueOrOne() > 1)
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addAttr(Attribute::Alignment, MemInst->getPointerOperand(),
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MA.valueOrOne().value());
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};
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if (auto *Load = dyn_cast<LoadInst>(I))
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Impl(Load, Load->getType());
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if (auto *Store = dyn_cast<StoreInst>(I))
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Impl(Store, Store->getValueOperand()->getType());
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}
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void addInstruction(Instruction *I) {
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if (auto *Call = dyn_cast<CallBase>(I))
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addCall(Call);
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return addCall(Call);
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if (isa<LoadInst>(I) || isa<StoreInst>(I))
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return addLoadOrStore(I);
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// TODO: Add support for the other Instructions.
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// TODO: Maybe we should look around and merge with other llvm.assume.
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}
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@ -2,6 +2,8 @@
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; RUN: opt -passes='assume-builder,verify' --enable-knowledge-retention -S %s | FileCheck %s --check-prefixes=BASIC
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; RUN: opt -passes='assume-builder,verify' --enable-knowledge-retention --assume-preserve-all -S %s | FileCheck %s --check-prefixes=ALL
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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declare void @func(i32*, i32*)
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declare void @func_cold(i32*) cold
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declare void @func_strbool(i32*) "no-jump-tables"
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@ -64,3 +66,259 @@ define void @test(i32* %P, i32* %P1, i32* %P2, i32* %P3) {
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call void @func(i32* nonnull %P1, i32* nonnull %P)
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ret void
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}
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%struct.S = type { i32, i8, i32* }
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define i32 @test2(%struct.S* %0, i32* %1, i8* %2) {
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; BASIC-LABEL: @test2(
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; BASIC-NEXT: [[TMP4:%.*]] = alloca %struct.S*, align 8
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; BASIC-NEXT: [[TMP5:%.*]] = alloca i32*, align 8
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; BASIC-NEXT: [[TMP6:%.*]] = alloca i8*, align 8
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; BASIC-NEXT: [[TMP7:%.*]] = alloca [[STRUCT_S:%.*]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; BASIC-NEXT: store %struct.S* [[TMP0:%.*]], %struct.S** [[TMP4]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP5]], i64 8), "dereferenceable"(i32** [[TMP5]], i64 8), "nonnull"(i32** [[TMP5]]) ]
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; BASIC-NEXT: store i32* [[TMP1:%.*]], i32** [[TMP5]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i8** [[TMP6]], i64 8), "nonnull"(i8** [[TMP6]]) ]
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; BASIC-NEXT: store i8* [[TMP2:%.*]], i8** [[TMP6]]
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP5]], i64 8), "dereferenceable"(i32** [[TMP5]], i64 8), "nonnull"(i32** [[TMP5]]) ]
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; BASIC-NEXT: [[TMP8:%.*]] = load i32*, i32** [[TMP5]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP8]], i64 4), "dereferenceable"(i32* [[TMP8]], i64 4), "nonnull"(i32* [[TMP8]]) ]
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; BASIC-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP8]], align 4
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; BASIC-NEXT: [[TMP10:%.*]] = trunc i32 [[TMP9]] to i8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i8** [[TMP6]], i64 8), "dereferenceable"(i8** [[TMP6]], i64 8), "nonnull"(i8** [[TMP6]]) ]
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; BASIC-NEXT: [[TMP11:%.*]] = load i8*, i8** [[TMP6]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i8* [[TMP11]], i64 1), "nonnull"(i8* [[TMP11]]) ]
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; BASIC-NEXT: store i8 [[TMP10]], i8* [[TMP11]], align 1
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; BASIC-NEXT: [[TMP12:%.*]] = bitcast %struct.S* [[TMP7]] to i8*
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; BASIC-NEXT: [[TMP13:%.*]] = load %struct.S*, %struct.S** [[TMP4]]
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; BASIC-NEXT: [[TMP14:%.*]] = bitcast %struct.S* [[TMP13]] to i8*
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; BASIC-NEXT: [[TMP15:%.*]] = bitcast %struct.S* [[TMP7]] to i8*
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; BASIC-NEXT: [[TMP16:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
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; BASIC-NEXT: [[TMP17:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP16]], i32 0, i32 0
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP17]], i64 8), "dereferenceable"(i32* [[TMP17]], i64 4), "nonnull"(i32* [[TMP17]]) ]
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; BASIC-NEXT: [[TMP18:%.*]] = load i32, i32* [[TMP17]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; BASIC-NEXT: [[TMP19:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
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; BASIC-NEXT: [[TMP20:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP19]], i32 0, i32 1
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* [[TMP20]], i64 4), "dereferenceable"(i8* [[TMP20]], i64 1), "nonnull"(i8* [[TMP20]]) ]
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; BASIC-NEXT: [[TMP21:%.*]] = load i8, i8* [[TMP20]], align 4
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; BASIC-NEXT: [[TMP22:%.*]] = sext i8 [[TMP21]] to i32
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; BASIC-NEXT: [[TMP23:%.*]] = add nsw i32 [[TMP18]], [[TMP22]]
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; BASIC-NEXT: [[TMP24:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
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; BASIC-NEXT: [[TMP25:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP24]], i32 0, i32 2
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP25]], i64 8), "dereferenceable"(i32** [[TMP25]], i64 8), "nonnull"(i32** [[TMP25]]) ]
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; BASIC-NEXT: [[TMP26:%.*]] = load i32*, i32** [[TMP25]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP26]], i64 4), "dereferenceable"(i32* [[TMP26]], i64 4), "nonnull"(i32* [[TMP26]]) ]
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; BASIC-NEXT: [[TMP27:%.*]] = load i32, i32* [[TMP26]], align 4
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; BASIC-NEXT: [[TMP28:%.*]] = add nsw i32 [[TMP23]], [[TMP27]]
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; BASIC-NEXT: ret i32 [[TMP28]]
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;
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; ALL-LABEL: @test2(
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; ALL-NEXT: [[TMP4:%.*]] = alloca %struct.S*, align 8
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; ALL-NEXT: [[TMP5:%.*]] = alloca i32*, align 8
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; ALL-NEXT: [[TMP6:%.*]] = alloca i8*, align 8
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; ALL-NEXT: [[TMP7:%.*]] = alloca [[STRUCT_S:%.*]], align 8
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; ALL-NEXT: store %struct.S* [[TMP0:%.*]], %struct.S** [[TMP4]], align 8
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP5]], i64 8), "dereferenceable"(i32** [[TMP5]], i64 8), "nonnull"(i32** [[TMP5]]) ]
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; ALL-NEXT: store i32* [[TMP1:%.*]], i32** [[TMP5]], align 8
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i8** [[TMP6]], i64 8), "nonnull"(i8** [[TMP6]]) ]
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; ALL-NEXT: store i8* [[TMP2:%.*]], i8** [[TMP6]]
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP5]], i64 8), "dereferenceable"(i32** [[TMP5]], i64 8), "nonnull"(i32** [[TMP5]]) ]
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; ALL-NEXT: [[TMP8:%.*]] = load i32*, i32** [[TMP5]], align 8
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP8]], i64 4), "dereferenceable"(i32* [[TMP8]], i64 4), "nonnull"(i32* [[TMP8]]) ]
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; ALL-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP8]], align 4
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; ALL-NEXT: [[TMP10:%.*]] = trunc i32 [[TMP9]] to i8
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i8** [[TMP6]], i64 8), "dereferenceable"(i8** [[TMP6]], i64 8), "nonnull"(i8** [[TMP6]]) ]
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; ALL-NEXT: [[TMP11:%.*]] = load i8*, i8** [[TMP6]], align 8
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i8* [[TMP11]], i64 1), "nonnull"(i8* [[TMP11]]) ]
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; ALL-NEXT: store i8 [[TMP10]], i8* [[TMP11]], align 1
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; ALL-NEXT: [[TMP12:%.*]] = bitcast %struct.S* [[TMP7]] to i8*
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; ALL-NEXT: [[TMP13:%.*]] = load %struct.S*, %struct.S** [[TMP4]]
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; ALL-NEXT: [[TMP14:%.*]] = bitcast %struct.S* [[TMP13]] to i8*
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; ALL-NEXT: [[TMP15:%.*]] = bitcast %struct.S* [[TMP7]] to i8*
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; ALL-NEXT: [[TMP16:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
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; ALL-NEXT: [[TMP17:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP16]], i32 0, i32 0
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP17]], i64 8), "dereferenceable"(i32* [[TMP17]], i64 4), "nonnull"(i32* [[TMP17]]) ]
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; ALL-NEXT: [[TMP18:%.*]] = load i32, i32* [[TMP17]], align 8
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; ALL-NEXT: [[TMP19:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
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; ALL-NEXT: [[TMP20:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP19]], i32 0, i32 1
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* [[TMP20]], i64 4), "dereferenceable"(i8* [[TMP20]], i64 1), "nonnull"(i8* [[TMP20]]) ]
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; ALL-NEXT: [[TMP21:%.*]] = load i8, i8* [[TMP20]], align 4
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; ALL-NEXT: [[TMP22:%.*]] = sext i8 [[TMP21]] to i32
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; ALL-NEXT: [[TMP23:%.*]] = add nsw i32 [[TMP18]], [[TMP22]]
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8), "nonnull"(%struct.S** [[TMP4]]) ]
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; ALL-NEXT: [[TMP24:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
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; ALL-NEXT: [[TMP25:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP24]], i32 0, i32 2
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP25]], i64 8), "dereferenceable"(i32** [[TMP25]], i64 8), "nonnull"(i32** [[TMP25]]) ]
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; ALL-NEXT: [[TMP26:%.*]] = load i32*, i32** [[TMP25]], align 8
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; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP26]], i64 4), "dereferenceable"(i32* [[TMP26]], i64 4), "nonnull"(i32* [[TMP26]]) ]
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; ALL-NEXT: [[TMP27:%.*]] = load i32, i32* [[TMP26]], align 4
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; ALL-NEXT: [[TMP28:%.*]] = add nsw i32 [[TMP23]], [[TMP27]]
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; ALL-NEXT: ret i32 [[TMP28]]
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;
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%4 = alloca %struct.S*, align 8
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%5 = alloca i32*, align 8
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%6 = alloca i8*, align 8
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%7 = alloca %struct.S, align 8
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store %struct.S* %0, %struct.S** %4, align 8
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store i32* %1, i32** %5, align 8
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store i8* %2, i8** %6
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%8 = load i32*, i32** %5, align 8
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%9 = load i32, i32* %8, align 4
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%10 = trunc i32 %9 to i8
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%11 = load i8*, i8** %6, align 8
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store i8 %10, i8* %11, align 1
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%12 = bitcast %struct.S* %7 to i8*
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%13 = load %struct.S*, %struct.S** %4
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%14 = bitcast %struct.S* %13 to i8*
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%15 = bitcast %struct.S* %7 to i8*
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%16 = load %struct.S*, %struct.S** %4, align 8
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%17 = getelementptr inbounds %struct.S, %struct.S* %16, i32 0, i32 0
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%18 = load i32, i32* %17, align 8
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%19 = load %struct.S*, %struct.S** %4, align 8
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%20 = getelementptr inbounds %struct.S, %struct.S* %19, i32 0, i32 1
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%21 = load i8, i8* %20, align 4
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%22 = sext i8 %21 to i32
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%23 = add nsw i32 %18, %22
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%24 = load %struct.S*, %struct.S** %4, align 8
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%25 = getelementptr inbounds %struct.S, %struct.S* %24, i32 0, i32 2
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%26 = load i32*, i32** %25, align 8
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%27 = load i32, i32* %26, align 4
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%28 = add nsw i32 %23, %27
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ret i32 %28
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}
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define i32 @test3(%struct.S* %0, i32* %1, i8* %2) "null-pointer-is-valid"="true" {
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; BASIC-LABEL: @test3(
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; BASIC-NEXT: [[TMP4:%.*]] = alloca %struct.S*, align 8
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; BASIC-NEXT: [[TMP5:%.*]] = alloca i32*, align 8
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; BASIC-NEXT: [[TMP6:%.*]] = alloca i8*, align 8
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; BASIC-NEXT: [[TMP7:%.*]] = alloca [[STRUCT_S:%.*]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
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; BASIC-NEXT: store %struct.S* [[TMP0:%.*]], %struct.S** [[TMP4]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP5]], i64 8), "dereferenceable"(i32** [[TMP5]], i64 8) ]
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; BASIC-NEXT: store i32* [[TMP1:%.*]], i32** [[TMP5]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i8** [[TMP6]], i64 8), "dereferenceable"(i8** [[TMP6]], i64 8) ]
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; BASIC-NEXT: store i8* [[TMP2:%.*]], i8** [[TMP6]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP5]], i64 8), "dereferenceable"(i32** [[TMP5]], i64 8) ]
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; BASIC-NEXT: [[TMP8:%.*]] = load i32*, i32** [[TMP5]], align 8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP8]], i64 4), "dereferenceable"(i32* [[TMP8]], i64 4) ]
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; BASIC-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP8]], align 4
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; BASIC-NEXT: [[TMP10:%.*]] = trunc i32 [[TMP9]] to i8
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i8** [[TMP6]], i64 8) ]
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; BASIC-NEXT: [[TMP11:%.*]] = load i8*, i8** [[TMP6]]
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i8* [[TMP11]], i64 1) ]
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; BASIC-NEXT: store i8 [[TMP10]], i8* [[TMP11]], align 1
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; BASIC-NEXT: [[TMP12:%.*]] = bitcast %struct.S* [[TMP7]] to i8*
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
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; BASIC-NEXT: [[TMP13:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
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; BASIC-NEXT: [[TMP14:%.*]] = bitcast %struct.S* [[TMP13]] to i8*
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; BASIC-NEXT: [[TMP15:%.*]] = bitcast %struct.S* [[TMP7]] to i8*
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; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
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; BASIC-NEXT: [[TMP16:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
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; BASIC-NEXT: [[TMP17:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP16]], i32 0, i32 0
|
||||
; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP17]], i64 8), "dereferenceable"(i32* [[TMP17]], i64 4) ]
|
||||
; BASIC-NEXT: [[TMP18:%.*]] = load i32, i32* [[TMP17]], align 8
|
||||
; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
|
||||
; BASIC-NEXT: [[TMP19:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
|
||||
; BASIC-NEXT: [[TMP20:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP19]], i32 0, i32 1
|
||||
; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* [[TMP20]], i64 4), "dereferenceable"(i8* [[TMP20]], i64 1) ]
|
||||
; BASIC-NEXT: [[TMP21:%.*]] = load i8, i8* [[TMP20]], align 4
|
||||
; BASIC-NEXT: [[TMP22:%.*]] = sext i8 [[TMP21]] to i32
|
||||
; BASIC-NEXT: [[TMP23:%.*]] = add nsw i32 [[TMP18]], [[TMP22]]
|
||||
; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
|
||||
; BASIC-NEXT: [[TMP24:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
|
||||
; BASIC-NEXT: [[TMP25:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP24]], i32 0, i32 2
|
||||
; BASIC-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32** [[TMP25]], i64 8) ]
|
||||
; BASIC-NEXT: [[TMP26:%.*]] = load i32*, i32** [[TMP25]]
|
||||
; BASIC-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP26]], i64 4), "dereferenceable"(i32* [[TMP26]], i64 4) ]
|
||||
; BASIC-NEXT: [[TMP27:%.*]] = load i32, i32* [[TMP26]], align 4
|
||||
; BASIC-NEXT: [[TMP28:%.*]] = add nsw i32 [[TMP23]], [[TMP27]]
|
||||
; BASIC-NEXT: ret i32 [[TMP28]]
|
||||
;
|
||||
; ALL-LABEL: @test3(
|
||||
; ALL-NEXT: [[TMP4:%.*]] = alloca %struct.S*, align 8
|
||||
; ALL-NEXT: [[TMP5:%.*]] = alloca i32*, align 8
|
||||
; ALL-NEXT: [[TMP6:%.*]] = alloca i8*, align 8
|
||||
; ALL-NEXT: [[TMP7:%.*]] = alloca [[STRUCT_S:%.*]], align 8
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
|
||||
; ALL-NEXT: store %struct.S* [[TMP0:%.*]], %struct.S** [[TMP4]], align 8
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP5]], i64 8), "dereferenceable"(i32** [[TMP5]], i64 8) ]
|
||||
; ALL-NEXT: store i32* [[TMP1:%.*]], i32** [[TMP5]], align 8
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i8** [[TMP6]], i64 8), "dereferenceable"(i8** [[TMP6]], i64 8) ]
|
||||
; ALL-NEXT: store i8* [[TMP2:%.*]], i8** [[TMP6]], align 8
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32** [[TMP5]], i64 8), "dereferenceable"(i32** [[TMP5]], i64 8) ]
|
||||
; ALL-NEXT: [[TMP8:%.*]] = load i32*, i32** [[TMP5]], align 8
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP8]], i64 4), "dereferenceable"(i32* [[TMP8]], i64 4) ]
|
||||
; ALL-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP8]], align 4
|
||||
; ALL-NEXT: [[TMP10:%.*]] = trunc i32 [[TMP9]] to i8
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i8** [[TMP6]], i64 8) ]
|
||||
; ALL-NEXT: [[TMP11:%.*]] = load i8*, i8** [[TMP6]]
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i8* [[TMP11]], i64 1) ]
|
||||
; ALL-NEXT: store i8 [[TMP10]], i8* [[TMP11]], align 1
|
||||
; ALL-NEXT: [[TMP12:%.*]] = bitcast %struct.S* [[TMP7]] to i8*
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
|
||||
; ALL-NEXT: [[TMP13:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
|
||||
; ALL-NEXT: [[TMP14:%.*]] = bitcast %struct.S* [[TMP13]] to i8*
|
||||
; ALL-NEXT: [[TMP15:%.*]] = bitcast %struct.S* [[TMP7]] to i8*
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
|
||||
; ALL-NEXT: [[TMP16:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
|
||||
; ALL-NEXT: [[TMP17:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP16]], i32 0, i32 0
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP17]], i64 8), "dereferenceable"(i32* [[TMP17]], i64 4) ]
|
||||
; ALL-NEXT: [[TMP18:%.*]] = load i32, i32* [[TMP17]], align 8
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
|
||||
; ALL-NEXT: [[TMP19:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
|
||||
; ALL-NEXT: [[TMP20:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP19]], i32 0, i32 1
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i8* [[TMP20]], i64 4), "dereferenceable"(i8* [[TMP20]], i64 1) ]
|
||||
; ALL-NEXT: [[TMP21:%.*]] = load i8, i8* [[TMP20]], align 4
|
||||
; ALL-NEXT: [[TMP22:%.*]] = sext i8 [[TMP21]] to i32
|
||||
; ALL-NEXT: [[TMP23:%.*]] = add nsw i32 [[TMP18]], [[TMP22]]
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(%struct.S** [[TMP4]], i64 8), "dereferenceable"(%struct.S** [[TMP4]], i64 8) ]
|
||||
; ALL-NEXT: [[TMP24:%.*]] = load %struct.S*, %struct.S** [[TMP4]], align 8
|
||||
; ALL-NEXT: [[TMP25:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[TMP24]], i32 0, i32 2
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32** [[TMP25]], i64 8) ]
|
||||
; ALL-NEXT: [[TMP26:%.*]] = load i32*, i32** [[TMP25]]
|
||||
; ALL-NEXT: call void @llvm.assume(i1 true) [ "align"(i32* [[TMP26]], i64 4), "dereferenceable"(i32* [[TMP26]], i64 4) ]
|
||||
; ALL-NEXT: [[TMP27:%.*]] = load i32, i32* [[TMP26]], align 4
|
||||
; ALL-NEXT: [[TMP28:%.*]] = add nsw i32 [[TMP23]], [[TMP27]]
|
||||
; ALL-NEXT: ret i32 [[TMP28]]
|
||||
;
|
||||
%4 = alloca %struct.S*, align 8
|
||||
%5 = alloca i32*, align 8
|
||||
%6 = alloca i8*, align 8
|
||||
%7 = alloca %struct.S, align 8
|
||||
store %struct.S* %0, %struct.S** %4, align 8
|
||||
store i32* %1, i32** %5, align 8
|
||||
store i8* %2, i8** %6, align 8
|
||||
%8 = load i32*, i32** %5, align 8
|
||||
%9 = load i32, i32* %8, align 4
|
||||
%10 = trunc i32 %9 to i8
|
||||
%11 = load i8*, i8** %6
|
||||
store i8 %10, i8* %11, align 1
|
||||
%12 = bitcast %struct.S* %7 to i8*
|
||||
%13 = load %struct.S*, %struct.S** %4, align 8
|
||||
%14 = bitcast %struct.S* %13 to i8*
|
||||
%15 = bitcast %struct.S* %7 to i8*
|
||||
%16 = load %struct.S*, %struct.S** %4, align 8
|
||||
%17 = getelementptr inbounds %struct.S, %struct.S* %16, i32 0, i32 0
|
||||
%18 = load i32, i32* %17, align 8
|
||||
%19 = load %struct.S*, %struct.S** %4, align 8
|
||||
%20 = getelementptr inbounds %struct.S, %struct.S* %19, i32 0, i32 1
|
||||
%21 = load i8, i8* %20, align 4
|
||||
%22 = sext i8 %21 to i32
|
||||
%23 = add nsw i32 %18, %22
|
||||
%24 = load %struct.S*, %struct.S** %4, align 8
|
||||
%25 = getelementptr inbounds %struct.S, %struct.S* %24, i32 0, i32 2
|
||||
%26 = load i32*, i32** %25
|
||||
%27 = load i32, i32* %26, align 4
|
||||
%28 = add nsw i32 %23, %27
|
||||
ret i32 %28
|
||||
}
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user