diff options
| -rw-r--r-- | include/llvm/Analysis/LoopInfo.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h index 69773a6..fb0b584 100644 --- a/include/llvm/Analysis/LoopInfo.h +++ b/include/llvm/Analysis/LoopInfo.h @@ -351,6 +351,9 @@ public: /// by one each time through the loop. If so, return the phi node that /// corresponds to it. /// + /// The IndVarSimplify pass transforms loops to have a canonical induction + /// variable. + /// inline PHINode *getCanonicalInductionVariable() const { BlockT *H = getHeader(); @@ -406,6 +409,9 @@ public: /// of the loop executes N-1 times. If the trip-count cannot be determined, /// this returns null. /// + /// The IndVarSimplify pass transforms loops to have a form that this + /// function easily understands. + /// inline Value *getTripCount() const { // Canonical loops will end with a 'cmp ne I, V', where I is the incremented // canonical induction variable and V is the trip count of the loop. |