diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp b/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp index b5d80f669fb..e26762639c1 100644 --- a/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp @@ -300,8 +300,15 @@ LoopUnrollResult llvm::UnrollAndJamLoop( for (BasicBlock *BB : L->getBlocks()) for (Instruction &I : *BB) if (!isa<DbgInfoIntrinsic>(&I)) - if (const DILocation *DIL = I.getDebugLoc()) - I.setDebugLoc(DIL->cloneWithDuplicationFactor(Count)); + if (const DILocation *DIL = I.getDebugLoc()) { + auto NewDIL = DIL->cloneWithDuplicationFactor(Count); + if (NewDIL) + I.setDebugLoc(NewDIL.getValue()); + else + LLVM_DEBUG(dbgs() + << "Failed to create new discriminator: " + << DIL->getFilename() << " Line: " << DIL->getLine()); + } // Copy all blocks for (unsigned It = 1; It != Count; ++It) { |
