diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LICM.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp index ba39afd4287..6d70cdc3ade 100644 --- a/llvm/lib/Transforms/Scalar/LICM.cpp +++ b/llvm/lib/Transforms/Scalar/LICM.cpp @@ -672,6 +672,10 @@ static bool hoist(Instruction &I, BasicBlock *Preheader) { // Move the new node to the Preheader, before its terminator. I.moveBefore(Preheader->getTerminator()); + // Metadata can be dependent on the condition we are hoisting above. + // Conservatively strip all metadata on the instruction. + I.dropUnknownNonDebugMetadata(); + if (isa<LoadInst>(I)) ++NumMovedLoads; else if (isa<CallInst>(I)) ++NumMovedCalls; ++NumHoisted; |
