[llvm] 9de6336 - Revert "[NFC] Remove shadowed variable in InnerLoopVectorizer::createInductionVariable"

[David Sherwood via llvm-commits]

Author: David Sherwood
Date: 2021-06-29T15:20:22+01:00
New Revision: 9de63367d8a7ab9e2588de4eae5a5df6a1abd90f

URL: https://github.com/llvm/llvm-project/commit/9de63367d8a7ab9e2588de4eae5a5df6a1abd90f
DIFF: https://github.com/llvm/llvm-project/commit/9de63367d8a7ab9e2588de4eae5a5df6a1abd90f.diff

LOG: Revert "[NFC] Remove shadowed variable in InnerLoopVectorizer::createInductionVariable"

This reverts commit 9dde51416209a5552156384b9c2b08b676818d70.

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/LoopVectorize.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index c79c57cb2bdb..f99352a3f075 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -3071,13 +3071,7 @@ PHINode *InnerLoopVectorizer::createInductionVariable(Loop *L, Value *Start,
   if (!Latch)
     Latch = Header;
 
-  // Set the Builder to a valid Block pointer as the existing one could get
-  // deleted below.
-  Builder.SetInsertPoint(&*LoopVectorBody->getFirstInsertionPt());
-
-  IRBuilder<>::InsertPointGuard Guard(Builder);
-  Builder.SetInsertPoint(&*Header->getFirstInsertionPt());
-
+  IRBuilder<> Builder(&*Header->getFirstInsertionPt());
   Instruction *OldInst = getDebugLocFromInstOrOperands(OldInduction);
   setDebugLocFromInst(Builder, OldInst);
   auto *Induction = Builder.CreatePHI(Start->getType(), 2, "index");