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Bail from FastISel when we encounter a volatile memset intrinsic. Patch by Ivan

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Krasin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136663 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2011-08-02 00:40:16 +00:00
parent cf6039548b
commit 3207c9a440
1 changed files with 3 additions and 0 deletions
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3
lib/Target/X86/X86FastISel.cpp
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@ -1365,6 +1365,9 @@ bool X86FastISel::X86VisitIntrinsicCall(const IntrinsicInst &I) {
case Intrinsic::memset: {
const MemSetInst &MSI = cast<MemSetInst>(I);
if (MSI.isVolatile())
return false;
unsigned SizeWidth = Subtarget->is64Bit() ? 64 : 32;
if (!MSI.getLength()->getType()->isIntegerTy(SizeWidth))
return false;