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Revert "[SVE] Pass Scalable argument to VectorType::get in Bitcode Reader"

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This reverts commit 5df53a22592729e631c4030f38c599b9f37095b7.

Caused test failures.
This commit is contained in:
Eli Friedman 2020-01-17 12:13:49 -08:00
parent b7a2c24677
commit 6ae0035765
2 changed files with 5 additions and 61 deletions
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17
lib/Bitcode/Reader/BitcodeReader.cpp
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@ -2630,13 +2630,12 @@ Error BitcodeReader::parseConstants() {
Type *SelectorTy = Type::getInt1Ty(Context);
// The selector might be an i1, an <n x i1>, or a <vscale x n x i1>
// The selector might be an i1 or an <n x i1>
// Get the type from the ValueList before getting a forward ref.
if (VectorType *VTy = dyn_cast<VectorType>(CurTy))
if (Value *V = ValueList[Record[0]])
if (SelectorTy != V->getType())
SelectorTy = VectorType::get(SelectorTy,
VTy->getElementCount());
SelectorTy = VectorType::get(SelectorTy, VTy->getNumElements());
V = ConstantExpr::getSelect(ValueList.getConstantFwdRef(Record[0],
SelectorTy),
@ -2694,7 +2693,7 @@ Error BitcodeReader::parseConstants() {
Constant *Op0 = ValueList.getConstantFwdRef(Record[0], OpTy);
Constant *Op1 = ValueList.getConstantFwdRef(Record[1], OpTy);
Type *ShufTy = VectorType::get(Type::getInt32Ty(Context),
OpTy->getElementCount());
OpTy->getNumElements());
Constant *Op2 = ValueList.getConstantFwdRef(Record[2], ShufTy);
V = ConstantExpr::getShuffleVector(Op0, Op1, Op2);
break;
@ -2708,7 +2707,7 @@ Error BitcodeReader::parseConstants() {
Constant *Op0 = ValueList.getConstantFwdRef(Record[1], OpTy);
Constant *Op1 = ValueList.getConstantFwdRef(Record[2], OpTy);
Type *ShufTy = VectorType::get(Type::getInt32Ty(Context),
RTy->getElementCount());
RTy->getNumElements());
Constant *Op2 = ValueList.getConstantFwdRef(Record[3], ShufTy);
V = ConstantExpr::getShuffleVector(Op0, Op1, Op2);
break;
@ -4169,15 +4168,9 @@ Error BitcodeReader::parseFunctionBody(Function *F) {
return error("Invalid record");
if (!Vec1->getType()->isVectorTy() || !Vec2->getType()->isVectorTy())
return error("Invalid type for value");
ElementCount EC1 = cast<VectorType>(Vec1->getType())->getElementCount();
if (EC1 != cast<VectorType>(Vec2->getType())->getElementCount())
return error("Mismatch between argument types");
I = new ShuffleVectorInst(Vec1, Vec2, Mask);
FullTy = VectorType::get(FullTy->getVectorElementType(),
EC1);
Mask->getType()->getVectorNumElements());
InstructionList.push_back(I);
break;
}

49
test/Bitcode/vscale-round-trip.ll
View File

@ -1,49 +0,0 @@
; RUN: llvm-as < %s | llvm-dis | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64"
@important_val = extern_weak dso_local global i32, align 4
; CHECK-LABEL: define <vscale x 4 x i32> @const_shufflevector(
; CHECK: <vscale x 4 x i32> shufflevector (<vscale x 4 x i32>
define <vscale x 4 x i32> @const_shufflevector() {
ret <vscale x 4 x i32> shufflevector (<vscale x 4 x i32> zeroinitializer,
<vscale x 4 x i32> undef,
<vscale x 4 x i32> zeroinitializer)
}
; CHECK-LABEL: define <vscale x 4 x i32> @const_shufflevector_ex()
; CHECK: <vscale x 4 x i32> shufflevector (<vscale x 2 x i32>
define <vscale x 4 x i32> @const_shufflevector_ex() {
ret <vscale x 4 x i32> shufflevector (<vscale x 2 x i32> zeroinitializer,
<vscale x 2 x i32> undef,
<vscale x 4 x i32> zeroinitializer)
}
; CHECK-LABEL: define <vscale x 4 x i32> @non_const_shufflevector(
; CHECK: %res = shufflevector <vscale x 4 x i32>
define <vscale x 4 x i32> @non_const_shufflevector(<vscale x 4 x i32> %lhs,
<vscale x 4 x i32> %rhs) {
%res = shufflevector <vscale x 4 x i32> %lhs,
<vscale x 4 x i32> %rhs,
<vscale x 4 x i32> zeroinitializer
ret <vscale x 4 x i32> %res
}
; CHECK-LABEL: define <vscale x 4 x i32> @const_select()
; CHECK: <vscale x 4 x i32> select (<vscale x 4 x i1>
define <vscale x 4 x i32> @const_select() {
ret <vscale x 4 x i32> select
(<vscale x 4 x i1> insertelement
(<vscale x 4 x i1> undef,
i1 icmp ne (i32* @important_val, i32* null),
i32 0),
<vscale x 4 x i32> zeroinitializer,
<vscale x 4 x i32> insertelement (<vscale x 4 x i32> undef, i32 1, i32 0))
}