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-rw-r--r--llvm/lib/Transforms/Utils/SimplifyCFG.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
index 01bfd123014..6e30919246c 100644
--- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -1275,10 +1275,9 @@ static bool HoistThenElseCodeToIf(BranchInst *BI,
LLVMContext::MD_mem_parallel_loop_access};
combineMetadata(I1, I2, KnownIDs);
- // If the debug loc for I1 and I2 are different, as we are combining them
- // into one instruction, we do not want to select debug loc randomly from
- // I1 or I2.
- if (!isa<CallInst>(I1) && I1->getDebugLoc() != I2->getDebugLoc())
+ // I1 and I2 are being combined into a single instruction. Its debug
+ // location is the merged locations of the original instructions.
+ if (!isa<CallInst>(I1))
I1->setDebugLoc(
DILocation::getMergedLocation(I1->getDebugLoc(), I2->getDebugLoc()));
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