LSR wants to split the landing pad's critical edge. Let it do it, but use the
proper function to do it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138550 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index 2d93cac..3938ab6 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -3625,7 +3625,14 @@
Loop *PNLoop = LI.getLoopFor(Parent);
if (!PNLoop || Parent != PNLoop->getHeader()) {
// Split the critical edge.
- BasicBlock *NewBB = SplitCriticalEdge(BB, Parent, P);
+ BasicBlock *NewBB = 0;
+ if (!Parent->isLandingPad()) {
+ NewBB = SplitCriticalEdge(BB, Parent, P);
+ } else {
+ SmallVector<BasicBlock*, 2> NewBBs;
+ SplitLandingPadPredecessors(Parent, BB, "", "", P, NewBBs);
+ NewBB = NewBBs[0];
+ }
// If PN is outside of the loop and BB is in the loop, we want to
// move the block to be immediately before the PHI block, not