Remove 'unwinds to' support from mainline. This patch undoes r47802 r47989
r48047 r48084 r48085 r48086 r48088 r48096 r48099 r48109 and r48123.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50265 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp
index f369d8a..93a8c8e 100644
--- a/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -161,7 +161,6 @@
while (isa<PHINode>(SplitIt))
++SplitIt;
BasicBlock *New = Old->splitBasicBlock(SplitIt, Old->getName()+".split");
- New->setUnwindDest(Old->getUnwindDest());
// The new block lives in whichever loop the old one did.
if (Loop *L = LI.getLoopFor(Old))
@@ -210,12 +209,8 @@
BranchInst *BI = BranchInst::Create(BB, NewBB);
// Move the edges from Preds to point to NewBB instead of BB.
- for (unsigned i = 0; i != NumPreds; ++i) {
+ for (unsigned i = 0; i != NumPreds; ++i)
Preds[i]->getTerminator()->replaceUsesOfWith(BB, NewBB);
-
- if (Preds[i]->getUnwindDest() == BB)
- Preds[i]->setUnwindDest(NewBB);
- }
// Update dominator tree and dominator frontier if available.
DominatorTree *DT = P ? P->getAnalysisToUpdate<DominatorTree>() : 0;