Revert "[InstCombine] Erase old instruction when replacing extractelements"

This reverts commit d40368fdb5. llvm-clang-x86_64-expensive-checks-debian failure looks related.
2020-04-01 20:10:11 +02:00 · 2020-04-01 20:10:11 +02:00 · 50a3e8738a
parent 2a77544ad5
commit 50a3e8738a
1 changed files with 0 additions and 1 deletions
--- a/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp
@ -597,7 +597,6 @@ static void replaceExtractElements(InsertElementInst *InsElt,
    auto *NewExt = ExtractElementInst::Create(WideVec, OldExt->getOperand(1));
    NewExt->insertAfter(OldExt);
    IC.replaceInstUsesWith(*OldExt, NewExt);
-    IC.eraseInstFromFunction(*OldExt);
  }
 }