diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUnroll.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnroll.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnroll.cpp b/llvm/lib/Transforms/Utils/LoopUnroll.cpp index 20978cf..1216538 100644 --- a/llvm/lib/Transforms/Utils/LoopUnroll.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnroll.cpp @@ -377,6 +377,10 @@ void llvm::simplifyLoopAfterUnroll(Loop *L, bool SimplifyIVs, LoopInfo *LI, const DataLayout &DL = L->getHeader()->getModule()->getDataLayout(); SmallVector<WeakTrackingVH, 16> DeadInsts; for (BasicBlock *BB : L->getBlocks()) { + // Remove repeated debug instructions after loop unrolling. + if (BB->getParent()->getSubprogram()) + RemoveRedundantDbgInstrs(BB); + for (Instruction &Inst : llvm::make_early_inc_range(*BB)) { if (Value *V = simplifyInstruction(&Inst, {DL, nullptr, DT, AC})) if (LI->replacementPreservesLCSSAForm(&Inst, V)) |