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Fix PR11106 by correcting a typo that has been in the code for over a year. This

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would have never worked, since the element type of a vector type is never a
vector type. Also fix the conditional to be more direct in checking whether
EltTy is a vector type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141713 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich 2011-10-11 21:26:40 +00:00
parent b07a3d6897
commit c055a8782e
2 changed files with 24 additions and 2 deletions
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4
lib/Transforms/Scalar/ScalarReplAggregates.cpp
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@ -2144,8 +2144,8 @@ void SROA::RewriteMemIntrinUserOfAlloca(MemIntrinsic *MI, Instruction *Inst,
assert(StoreVal->getType() == ValTy && "Type mismatch!");
// If the requested value was a vector constant, create it.
if (EltTy != ValTy) {
unsigned NumElts = cast<VectorType>(ValTy)->getNumElements();
if (EltTy->isVectorTy()) {
unsigned NumElts = cast<VectorType>(EltTy)->getNumElements();
SmallVector<Constant*, 16> Elts(NumElts, StoreVal);
StoreVal = ConstantVector::get(Elts);
}

22
test/Transforms/ScalarRepl/2011-10-11-VectorMemset.ll Normal file
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@ -0,0 +1,22 @@
; RUN: opt < %s -S -scalarrepl | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-apple-darwin11.0.1"
; CHECK: test
; CHECK-NOT: alloca
define void @test() nounwind {
entry:
%a156286 = alloca [4 x <4 x float>], align 16
br i1 undef, label %cif_done, label %for_test158.preheader
for_test158.preheader: ; preds = %entry
%a156286305 = bitcast [4 x <4 x float>]* %a156286 to i8*
call void @llvm.memset.p0i8.i64(i8* %a156286305, i8 -1, i64 64, i32 16, i1 false)
unreachable
cif_done: ; preds = %entry
ret void
}
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind