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new method 

llvm-svn: 23314
This commit is contained in:
Chris Lattner 2005-09-12 17:03:16 +00:00
parent a67648396a
commit 589e605f42
1 changed files with 6 additions and 0 deletions
llvm/include/llvm/Analysis
LoopInfo.h

6
llvm/include/llvm/Analysis/LoopInfo.h
View File

@ -121,6 +121,12 @@ public:
/// ///
BasicBlock *getLoopPreheader() const; BasicBlock *getLoopPreheader() const;
/// getLoopLatch - If there is a latch block for this loop, return it. A
/// latch block is the canonical backedge for a loop. A loop header in normal
/// form has two edges into it: one from a preheader and one from a latch
/// block.
BasicBlock *getLoopLatch() const;
/// getCanonicalInductionVariable - Check to see if the loop has a canonical /// getCanonicalInductionVariable - Check to see if the loop has a canonical
/// induction variable: an integer recurrence that starts at 0 and increments /// induction variable: an integer recurrence that starts at 0 and increments
/// by one each time through the loop. If so, return the phi node that /// by one each time through the loop. If so, return the phi node that