From a6fb910fad700636a2aa5770b6ed7cf18a79c55c Mon Sep 17 00:00:00 2001 From: Andrew Trick Date: Tue, 5 Jun 2012 17:51:05 +0000 Subject: LoopUnroll: always check for NULL LoopPassManager llvm-svn: 158007 --- llvm/lib/Transforms/Utils/LoopUnroll.cpp | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'llvm/lib/Transforms') 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()) { - if (Loop *L = LI->getLoopFor(BB)) - SE->forgetLoop(L); + if (LPM) { + if (ScalarEvolution *SE = LPM->getAnalysisIfAvailable()) { + if (Loop *L = LI->getLoopFor(BB)) + SE->forgetLoop(L); + } } LI->removeBlock(BB); BB->eraseFromParent(); -- cgit v1.2.3