diff options
Diffstat (limited to 'lib/Transforms/Utils/BasicBlockUtils.cpp')
-rw-r--r-- | lib/Transforms/Utils/BasicBlockUtils.cpp | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/lib/Transforms/Utils/BasicBlockUtils.cpp b/lib/Transforms/Utils/BasicBlockUtils.cpp index 12de9eed4b..17bd115ee9 100644 --- a/lib/Transforms/Utils/BasicBlockUtils.cpp +++ b/lib/Transforms/Utils/BasicBlockUtils.cpp @@ -630,28 +630,29 @@ ReturnInst *llvm::FoldReturnIntoUncondBranch(ReturnInst *RI, BasicBlock *BB, } /// SplitBlockAndInsertIfThen - Split the containing block at the -/// specified instruction - everything before and including Cmp stays -/// in the old basic block, and everything after Cmp is moved to a +/// specified instruction - everything before and including SplitBefore stays +/// in the old basic block, and everything after SplitBefore is moved to a /// new block. The two blocks are connected by a conditional branch /// (with value of Cmp being the condition). /// Before: /// Head -/// Cmp +/// SplitBefore /// Tail /// After: /// Head -/// Cmp -/// if (Cmp) +/// if (Cond) /// ThenBlock +/// SplitBefore /// Tail /// /// If Unreachable is true, then ThenBlock ends with /// UnreachableInst, otherwise it branches to Tail. /// Returns the NewBasicBlock's terminator. -TerminatorInst *llvm::SplitBlockAndInsertIfThen(Instruction *Cmp, - bool Unreachable, MDNode *BranchWeights) { - Instruction *SplitBefore = Cmp->getNextNode(); +TerminatorInst *llvm::SplitBlockAndInsertIfThen(Value *Cond, + Instruction *SplitBefore, + bool Unreachable, + MDNode *BranchWeights) { BasicBlock *Head = SplitBefore->getParent(); BasicBlock *Tail = Head->splitBasicBlock(SplitBefore); TerminatorInst *HeadOldTerm = Head->getTerminator(); @@ -663,7 +664,7 @@ TerminatorInst *llvm::SplitBlockAndInsertIfThen(Instruction *Cmp, else CheckTerm = BranchInst::Create(Tail, ThenBlock); BranchInst *HeadNewTerm = - BranchInst::Create(/*ifTrue*/ThenBlock, /*ifFalse*/Tail, Cmp); + BranchInst::Create(/*ifTrue*/ThenBlock, /*ifFalse*/Tail, Cond); HeadNewTerm->setMetadata(LLVMContext::MD_prof, BranchWeights); ReplaceInstWithInst(HeadOldTerm, HeadNewTerm); return CheckTerm; |