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/Scalar/LoopUnswitch.cpp b/lib/Transforms/Scalar/LoopUnswitch.cpp
index 943c50f..4775123 100644
--- a/lib/Transforms/Scalar/LoopUnswitch.cpp
+++ b/lib/Transforms/Scalar/LoopUnswitch.cpp
@@ -819,14 +819,10 @@
}
// Rewrite the code to refer to itself.
- for (unsigned i = 0, e = NewBlocks.size(); i != e; ++i) {
- BasicBlock *NB = NewBlocks[i];
- if (BasicBlock *UnwindDest = NB->getUnwindDest())
- NB->setUnwindDest(cast<BasicBlock>(ValueMap[UnwindDest]));
-
- for (BasicBlock::iterator I = NB->begin(), E = NB->end(); I != E; ++I)
+ for (unsigned i = 0, e = NewBlocks.size(); i != e; ++i)
+ for (BasicBlock::iterator I = NewBlocks[i]->begin(),
+ E = NewBlocks[i]->end(); I != E; ++I)
RemapInstruction(I, ValueMap);
- }
// Rewrite the original preheader to select between versions of the loop.
BranchInst *OldBR = cast<BranchInst>(OrigPreheader->getTerminator());