diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/Local.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp index 31b4c0c..4bc3747 100644 --- a/llvm/lib/Transforms/Utils/Local.cpp +++ b/llvm/lib/Transforms/Utils/Local.cpp @@ -2302,6 +2302,9 @@ static bool markAliveBlocks(Function &F, // that they should be changed to unreachable by passes that can't // modify the CFG. + // Don't touch volatile stores. + if (SI->isVolatile()) continue; + Value *Ptr = SI->getOperand(1); if (isa<UndefValue>(Ptr) || |