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author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
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committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /include/llvm/Transforms/Utils/BasicBlockUtils.h | |
parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
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 7309f69..19acf5b 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. |