diff options
Diffstat (limited to 'include/llvm/Analysis')
| -rw-r--r-- | include/llvm/Analysis/ScalarEvolution.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/Analysis/ScalarEvolution.h b/include/llvm/Analysis/ScalarEvolution.h index a5534e8..d43d244 100644 --- a/include/llvm/Analysis/ScalarEvolution.h +++ b/include/llvm/Analysis/ScalarEvolution.h @@ -341,6 +341,10 @@ namespace llvm { BackedgeTakenInfo HowManyLessThans(const SCEV *LHS, const SCEV *RHS, const Loop *L, bool isSigned); + /// getLoopPredecessor - If the given loop's header has exactly one unique + /// predecessor outside the loop, return it. Otherwise return null. + BasicBlock *getLoopPredecessor(const Loop *L); + /// getPredecessorWithUniqueSuccessorForBB - Return a predecessor of BB /// (which may not be an immediate predecessor) which has exactly one /// successor from which BB is reachable, or null if no such block is |