Vendor import of llvm trunk r241361:

https://llvm.org/svn/llvm-project/llvm/trunk@241361

1 files changed, 5 insertions, 2 deletions

diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp
index 798376e..53471de 100644
--- a/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -211,6 +211,11 @@ void llvm::ReplaceInstWithInst(BasicBlock::InstListType &BIL,
   assert(I->getParent() == nullptr &&
          "ReplaceInstWithInst: Instruction already inserted into basic block!");
 
+  // Copy debug location to newly added instruction, if it wasn't already set
+  // by the caller.
+  if (!I->getDebugLoc())
+    I->setDebugLoc(BI->getDebugLoc());
+
   // Insert the new instruction into the basic block...
   BasicBlock::iterator New = BIL.insert(BI, I);
 
@@ -716,7 +721,6 @@ TerminatorInst *llvm::SplitBlockAndInsertIfThen(Value *Cond,
   CheckTerm->setDebugLoc(SplitBefore->getDebugLoc());
   BranchInst *HeadNewTerm =
     BranchInst::Create(/*ifTrue*/ThenBlock, /*ifFalse*/Tail, Cond);
-  HeadNewTerm->setDebugLoc(SplitBefore->getDebugLoc());
   HeadNewTerm->setMetadata(LLVMContext::MD_prof, BranchWeights);
   ReplaceInstWithInst(HeadOldTerm, HeadNewTerm);
 
@@ -766,7 +770,6 @@ void llvm::SplitBlockAndInsertIfThenElse(Value *Cond, Instruction *SplitBefore,
   (*ElseTerm)->setDebugLoc(SplitBefore->getDebugLoc());
   BranchInst *HeadNewTerm =
     BranchInst::Create(/*ifTrue*/ThenBlock, /*ifFalse*/ElseBlock, Cond);
-  HeadNewTerm->setDebugLoc(SplitBefore->getDebugLoc());
   HeadNewTerm->setMetadata(LLVMContext::MD_prof, BranchWeights);
   ReplaceInstWithInst(HeadOldTerm, HeadNewTerm);
 }