diff options
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnroll.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnroll.cpp b/llvm/lib/Transforms/Utils/LoopUnroll.cpp index 0780b131f7b..20237500c37 100644 --- a/llvm/lib/Transforms/Utils/LoopUnroll.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnroll.cpp @@ -95,9 +95,11 @@ static BasicBlock *FoldBlockIntoPredecessor(BasicBlock *BB, LoopInfo* LI, // Erase basic block from the function... // ScalarEvolution holds references to loop exit blocks. - if (ScalarEvolution *SE = LPM->getAnalysisIfAvailable<ScalarEvolution>()) { - if (Loop *L = LI->getLoopFor(BB)) - SE->forgetLoop(L); + if (LPM) { + if (ScalarEvolution *SE = LPM->getAnalysisIfAvailable<ScalarEvolution>()) { + if (Loop *L = LI->getLoopFor(BB)) + SE->forgetLoop(L); + } } LI->removeBlock(BB); BB->eraseFromParent(); |
