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| author | Bob Wilson <bob.wilson@apple.com> | 2010-02-16 19:51:59 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2010-02-16 19:51:59 +0000 |
| commit | 484d4a30c055eef3101d01a7a468db3413dd20d3 (patch) | |
| tree | d3dbf1f999ddbf0f8516c6387d767c4c323f6f75 /include/llvm/Analysis | |
| parent | adb6f226714dcfae363f51b453c4590b0f42da5e (diff) | |
| download | external_llvm-484d4a30c055eef3101d01a7a468db3413dd20d3.zip external_llvm-484d4a30c055eef3101d01a7a468db3413dd20d3.tar.gz external_llvm-484d4a30c055eef3101d01a7a468db3413dd20d3.tar.bz2 | |
Split critical edges as needed for load PRE.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96378 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Analysis')
| -rw-r--r-- | include/llvm/Analysis/MemoryDependenceAnalysis.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/llvm/Analysis/MemoryDependenceAnalysis.h b/include/llvm/Analysis/MemoryDependenceAnalysis.h index f83cc4f..f6aab03 100644 --- a/include/llvm/Analysis/MemoryDependenceAnalysis.h +++ b/include/llvm/Analysis/MemoryDependenceAnalysis.h @@ -249,7 +249,7 @@ namespace llvm { SmallPtrSet<Instruction*, 4> > ReverseDepMapType; ReverseDepMapType ReverseLocalDeps; - // A reverse mapping form dependencies to the non-local dependees. + // A reverse mapping from dependencies to the non-local dependees. ReverseDepMapType ReverseNonLocalDeps; /// Current AA implementation, just a cache. @@ -312,6 +312,11 @@ namespace llvm { /// value and replaces the other value with ptr. This can make Ptr available /// in more places that cached info does not necessarily keep. void invalidateCachedPointerInfo(Value *Ptr); + + /// invalidateCachedPredecessors - Clear the PredIteratorCache info. + /// This needs to be done when the CFG changes, e.g., due to splitting + /// critical edges. + void invalidateCachedPredecessors(); private: MemDepResult getPointerDependencyFrom(Value *Pointer, uint64_t MemSize, |