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| author | Nick Lewycky <nicholas@mxc.ca> | 2008-03-09 05:04:48 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2008-03-09 05:04:48 +0000 |
| commit | c6694228fa8df57193cbd924d627814384106ba2 (patch) | |
| tree | 43eba4c5e757ca7e8b5a237ad5c60cea059d6b4f /lib/Transforms/Utils/BasicBlockUtils.cpp | |
| parent | c0d025f54f96ff719ae99d57d7c413aee35b6cbc (diff) | |
Two things. Preserve the unwind_to when splitting a BB.
Add the ability to remove just one instance of a BB from a phi node. This fixes
the compile error in the tree now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48085 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp')
| -rw-r--r-- | lib/Transforms/Utils/BasicBlockUtils.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp index 3607237e41..0dc38a2b84 100644 --- a/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -160,6 +160,7 @@ BasicBlock *llvm::SplitBlock(BasicBlock *Old, Instruction *SplitPt, Pass *P) { 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)) |