diff options
Diffstat (limited to 'include/llvm/Transforms/Utils/BasicBlockUtils.h')
| -rw-r--r-- | include/llvm/Transforms/Utils/BasicBlockUtils.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/llvm/Transforms/Utils/BasicBlockUtils.h b/include/llvm/Transforms/Utils/BasicBlockUtils.h index 7309f6960a..19acf5b2db 100644 --- a/include/llvm/Transforms/Utils/BasicBlockUtils.h +++ b/include/llvm/Transforms/Utils/BasicBlockUtils.h @@ -23,6 +23,7 @@ namespace llvm { class AliasAnalysis; +class DominatorTree; class Instruction; class MDNode; class Pass; @@ -132,6 +133,11 @@ inline BasicBlock *SplitCriticalEdge(BasicBlock *Src, BasicBlock *Dst, } } +// SplitAllCriticalEdges - Loop over all of the edges in the CFG, +// breaking critical edges as they are found. Pass P must not be NULL. +// Returns the number of broken edges. +unsigned SplitAllCriticalEdges(Function &F, Pass *P); + /// SplitEdge - Split the edge connecting specified block. Pass P must /// not be NULL. BasicBlock *SplitEdge(BasicBlock *From, BasicBlock *To, Pass *P); @@ -202,9 +208,12 @@ ReturnInst *FoldReturnIntoUncondBranch(ReturnInst *RI, BasicBlock *BB, /// If Unreachable is true, then ThenBlock ends with /// UnreachableInst, otherwise it branches to Tail. /// Returns the NewBasicBlock's terminator. +/// +/// Updates DT if given. TerminatorInst *SplitBlockAndInsertIfThen(Value *Cond, Instruction *SplitBefore, bool Unreachable, - MDNode *BranchWeights = nullptr); + MDNode *BranchWeights = nullptr, + DominatorTree *DT = nullptr); /// SplitBlockAndInsertIfThenElse is similar to SplitBlockAndInsertIfThen, /// but also creates the ElseBlock. |