diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/BasicBlockUtils.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/BasicBlockUtils.cpp | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp index 866fb83b140..efd5effa9a4 100644 --- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -231,22 +231,14 @@ void llvm::ReplaceInstWithInst(Instruction *From, Instruction *To) { /// SplitEdge - Split the edge connecting specified block. Pass P must /// not be NULL. -BasicBlock *llvm::SplitEdge(BasicBlock *BB, BasicBlock *Succ, Pass *P) { +BasicBlock *llvm::SplitEdge(BasicBlock *BB, BasicBlock *Succ, DominatorTree *DT, + LoopInfo *LI) { unsigned SuccNum = GetSuccessorNumber(BB, Succ); - auto *AA = P->getAnalysisIfAvailable<AliasAnalysis>(); - auto *DTWP = P->getAnalysisIfAvailable<DominatorTreeWrapperPass>(); - auto *DT = DTWP ? &DTWP->getDomTree() : nullptr; - auto *LIWP = P->getAnalysisIfAvailable<LoopInfoWrapperPass>(); - auto *LI = LIWP ? &LIWP->getLoopInfo() : nullptr; - bool PreserveLCSSA = P->mustPreserveAnalysisID(LCSSAID); - auto Options = CriticalEdgeSplittingOptions(AA, DT, LI); - if (PreserveLCSSA) - Options.setPreserveLCSSA(); - // If this is a critical edge, let SplitCriticalEdge do it. TerminatorInst *LatchTerm = BB->getTerminator(); - if (SplitCriticalEdge(LatchTerm, SuccNum, Options)) + if (SplitCriticalEdge(LatchTerm, SuccNum, CriticalEdgeSplittingOptions(DT, LI) + .setPreserveLCSSA())) return LatchTerm->getSuccessor(SuccNum); // If the edge isn't critical, then BB has a single successor or Succ has a |
