diff options
| -rw-r--r-- | lib/Transforms/Scalar/LICM.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp index c20e179f10..15c98a5393 100644 --- a/lib/Transforms/Scalar/LICM.cpp +++ b/lib/Transforms/Scalar/LICM.cpp @@ -358,9 +358,10 @@ bool LICM::canSinkOrHoistInst(Instruction &I) { } else if (CallInst *CI = dyn_cast<CallInst>(&I)) { // Handle obvious cases efficiently. if (Function *Callee = CI->getCalledFunction()) { - if (AA->doesNotAccessMemory(Callee)) + AliasAnalysis::ModRefBehavior Behavior =AA->getModRefBehavior(Callee, CI); + if (Behavior == AliasAnalysis::DoesNotAccessMemory) return true; - else if (AA->onlyReadsMemory(Callee)) { + else if (Behavior == AliasAnalysis::OnlyReadsMemory) { // If this call only reads from memory and there are no writes to memory // in the loop, we can hoist or sink the call as appropriate. bool FoundMod = false; |