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| author | Chris Lattner <sabre@nondot.org> | 2009-10-31 22:04:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-10-31 22:04:43 +0000 |
| commit | a4b04210d4a838e5a48b0c128bdfe42c3055633f (patch) | |
| tree | f5a7f861f8a3881ac34d81a1d611c4ceae6ce300 /lib/Transforms/Utils/BasicBlockUtils.cpp | |
| parent | 07d236ba8856e7dcd2c7fcb0446b95c6df4c22b5 (diff) | |
llvm::SplitEdge should refuse to split an edge from an indirectbr.
Fix CodeGenPrepare to not try to split edges from indirectbr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85690 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp')
| -rw-r--r-- | lib/Transforms/Utils/BasicBlockUtils.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp index f3c175469a..1f9a2031f3 100644 --- a/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -271,6 +271,8 @@ void llvm::RemoveSuccessor(TerminatorInst *TI, unsigned SuccNum) { /// SplitEdge - Split the edge connecting specified block. Pass P must /// not be NULL. BasicBlock *llvm::SplitEdge(BasicBlock *BB, BasicBlock *Succ, Pass *P) { + assert(!isa<IndirectBrInst>(BB->getTerminator()) && + "Cannot split an edge from an IndirectBrInst"); TerminatorInst *LatchTerm = BB->getTerminator(); unsigned SuccNum = 0; #ifndef NDEBUG |