revert 112448 for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112449 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LICM.cpp b/lib/Transforms/Scalar/LICM.cpp
index a214d96..e6a8b2d 100644
--- a/lib/Transforms/Scalar/LICM.cpp
+++ b/lib/Transforms/Scalar/LICM.cpp
@@ -574,11 +574,12 @@
DEBUG(dbgs() << "LICM hoisting to " << Preheader->getName() << ": "
<< I << "\n");
- // The instruction is no longer in this loop.
- CurAST->deleteValue(&I);
-
- // Move the new node to the Preheader, before its terminator.
- I.moveBefore(Preheader->getTerminator());
+ // Remove the instruction from its current basic block... but don't delete the
+ // instruction.
+ I.removeFromParent();
+
+ // Insert the new node in Preheader, before the terminator.
+ Preheader->getInstList().insert(Preheader->getTerminator(), &I);
if (isa<LoadInst>(I)) ++NumMovedLoads;
else if (isa<CallInst>(I)) ++NumMovedCalls;