Reset debug loc to OldInduction in InnerLoopVectorizer::createInductionVariable. (NFC)

This is to prevent SetInsertionPoint from setting debug loc to Latch->getTerminator().

llvm-svn: 286159

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index e3d4be73970..2c43a5679e4 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -3040,10 +3040,12 @@ PHINode *InnerLoopVectorizer::createInductionVariable(Loop *L, Value *Start,
     Latch = Header;
 
   IRBuilder<> Builder(&*Header->getFirstInsertionPt());
-  setDebugLocFromInst(Builder, getDebugLocFromInstOrOperands(OldInduction));
+  Instruction *OldInst = getDebugLocFromInstOrOperands(OldInduction);
+  setDebugLocFromInst(Builder, OldInst);
   auto *Induction = Builder.CreatePHI(Start->getType(), 2, "index");
 
   Builder.SetInsertPoint(Latch->getTerminator());
+  setDebugLocFromInst(Builder, OldInst);
 
   // Create i+1 and fill the PHINode.
   Value *Next = Builder.CreateAdd(Induction, Step, "index.next");