diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index bcea927..c3343ed8 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -5733,12 +5733,9 @@ bool SimplifyCFGOpt::SimplifyUncondBranch(BranchInst *BI, // header. (This is for early invocations before loop simplify and // vectorization to keep canonical loop forms for nested loops. These blocks // can be eliminated when the pass is invoked later in the back-end.) - // Note that if BB has only one predecessor then we do not introduce new - // backedge, so we can eliminate BB. bool NeedCanonicalLoop = Options.NeedCanonicalLoop && - (LoopHeaders && !BB->getSinglePredecessor() && - (LoopHeaders->count(BB) || LoopHeaders->count(Succ))); + (LoopHeaders && (LoopHeaders->count(BB) || LoopHeaders->count(Succ))); BasicBlock::iterator I = BB->getFirstNonPHIOrDbg()->getIterator(); if (I->isTerminator() && BB != &BB->getParent()->getEntryBlock() && !NeedCanonicalLoop && TryToSimplifyUncondBranchFromEmptyBlock(BB)) |