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| author | Owen Anderson <resistor@mac.com> | 2006-07-19 05:48:45 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2006-07-19 05:48:45 +0000 |
| commit | 10d9d9f27c28721228ca2ea57ae3430c60df3356 (patch) | |
| tree | 15ad6d9ca3976f99022bbfa7d4e203cdd85a2854 /lib | |
| parent | 2698a08c23828865c96adf48f7d6c5b5f616b521 (diff) | |
| download | external_llvm-10d9d9f27c28721228ca2ea57ae3430c60df3356.zip external_llvm-10d9d9f27c28721228ca2ea57ae3430c60df3356.tar.gz external_llvm-10d9d9f27c28721228ca2ea57ae3430c60df3356.tar.bz2 | |
Add an assertion.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29199 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Transforms/Scalar/LoopUnroll.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/LoopUnroll.cpp b/lib/Transforms/Scalar/LoopUnroll.cpp index 6f7df42..98b5b62 100644 --- a/lib/Transforms/Scalar/LoopUnroll.cpp +++ b/lib/Transforms/Scalar/LoopUnroll.cpp @@ -272,6 +272,8 @@ bool LoopUnroll::visitLoop(Loop *L) { // Remove LCSSA Phis from the exit block for (BasicBlock::iterator ExitInstr = LoopExit->begin(); PHINode* PN = dyn_cast<PHINode>(ExitInstr); ++ExitInstr) { + assert(PN->getNumIncomingValues() == 1 + && "Block should only have one pred, so Phi's must be LCSSA"); PN->replaceAllUsesWith(PN->getOperand(0)); PN->eraseFromParent(); } |