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| author | Nick Lewycky <nicholas@mxc.ca> | 2011-08-02 00:40:16 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2011-08-02 00:40:16 +0000 |
| commit | a530a4d92563fc15097b9fa66aa03aa9e41137fc (patch) | |
| tree | f4340ce1dccb253fad5b415e6de8e46b3f92f7a2 /llvm/lib/Target/X86/X86FastISel.cpp | |
| parent | 8e2b75dbad1351446435edaa982052ce4096518e (diff) | |
| download | bcm5719-llvm-a530a4d92563fc15097b9fa66aa03aa9e41137fc.tar.gz bcm5719-llvm-a530a4d92563fc15097b9fa66aa03aa9e41137fc.zip | |
Bail from FastISel when we encounter a volatile memset intrinsic. Patch by Ivan
Krasin!
llvm-svn: 136663
Diffstat (limited to 'llvm/lib/Target/X86/X86FastISel.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86FastISel.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp index 24f4437ec7d..f5db6d28a24 100644 --- a/llvm/lib/Target/X86/X86FastISel.cpp +++ b/llvm/lib/Target/X86/X86FastISel.cpp @@ -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; |
