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| author | rdivacky <rdivacky@FreeBSD.org> | 2010-07-13 17:19:57 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2010-07-13 17:19:57 +0000 |
| commit | 9112829d76cbb8e0c8ef51bbc2d7d1be48cd7b74 (patch) | |
| tree | 9de1c5f67a98cd0e73c60838396486c984f63ac2 /lib/Transforms/Scalar/SimplifyCFGPass.cpp | |
| parent | 1e3dec662ea18131c495db50caccc57f77b7a5fe (diff) | |
| download | FreeBSD-src-9112829d76cbb8e0c8ef51bbc2d7d1be48cd7b74.zip FreeBSD-src-9112829d76cbb8e0c8ef51bbc2d7d1be48cd7b74.tar.gz | |
Update LLVM to r108243.
Diffstat (limited to 'lib/Transforms/Scalar/SimplifyCFGPass.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/SimplifyCFGPass.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/SimplifyCFGPass.cpp b/lib/Transforms/Scalar/SimplifyCFGPass.cpp index 9744100..49d93a2 100644 --- a/lib/Transforms/Scalar/SimplifyCFGPass.cpp +++ b/lib/Transforms/Scalar/SimplifyCFGPass.cpp @@ -137,6 +137,9 @@ static bool MarkAliveBlocks(BasicBlock *BB, // they should be changed to unreachable by passes that can't modify the // CFG. if (StoreInst *SI = dyn_cast<StoreInst>(BBI)) { + // Don't touch volatile stores. + if (SI->isVolatile()) continue; + Value *Ptr = SI->getOperand(1); if (isa<UndefValue>(Ptr) || |
