diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/GVN.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/GVN.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Scalar/GVN.cpp b/llvm/lib/Transforms/Scalar/GVN.cpp index e2c1eaf58e4..a9104408691 100644 --- a/llvm/lib/Transforms/Scalar/GVN.cpp +++ b/llvm/lib/Transforms/Scalar/GVN.cpp @@ -2105,6 +2105,7 @@ bool GVN::processBlock(BasicBlock *BB) { for (auto *I : InstrsToErase) { assert(I->getParent() == BB && "Removing instruction from wrong block?"); DEBUG(dbgs() << "GVN removed: " << *I << '\n'); + salvageDebugInfo(*I); if (MD) MD->removeInstruction(I); DEBUG(verifyRemoved(I)); if (MaybeFirstICF == I) { @@ -2320,6 +2321,7 @@ bool GVN::performScalarPRE(Instruction *CurInst) { VN.eraseTranslateCacheEntry(ValNo, *CurrentBlock); addToLeaderTable(ValNo, Phi, CurrentBlock); Phi->setDebugLoc(CurInst->getDebugLoc()); + salvageDebugInfo(*CurInst); CurInst->replaceAllUsesWith(Phi); if (MD && Phi->getType()->isPtrOrPtrVectorTy()) MD->invalidateCachedPointerInfo(Phi); |
