diff options
Diffstat (limited to 'include/llvm/Transforms/Utils')
| -rw-r--r-- | include/llvm/Transforms/Utils/BasicBlockUtils.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/llvm/Transforms/Utils/BasicBlockUtils.h b/include/llvm/Transforms/Utils/BasicBlockUtils.h index 6105416a40..367e4b4b06 100644 --- a/include/llvm/Transforms/Utils/BasicBlockUtils.h +++ b/include/llvm/Transforms/Utils/BasicBlockUtils.h @@ -89,7 +89,14 @@ Value *FindAvailableLoadedValue(Value *Ptr, BasicBlock *ScanBB, BasicBlock::iterator &ScanFrom, unsigned MaxInstsToScan = 6, AliasAnalysis *AA = 0); - + +/// FindFunctionBackedges - Analyze the specified function to find all of the +/// loop backedges in the function and return them. This is a relatively cheap +/// (compared to computing dominators and loop info) analysis. +/// +/// The output is added to Result, as pairs of <from,to> edge info. +void FindFunctionBackedges(const Function &F, + SmallVectorImpl<std::pair<const BasicBlock*,const BasicBlock*> > &Result); // RemoveSuccessor - Change the specified terminator instruction such that its |