summaryrefslogtreecommitdiffstats
path: root/include/llvm/Analysis/MemoryDependenceAnalysis.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/llvm/Analysis/MemoryDependenceAnalysis.h')
-rw-r--r--include/llvm/Analysis/MemoryDependenceAnalysis.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/llvm/Analysis/MemoryDependenceAnalysis.h b/include/llvm/Analysis/MemoryDependenceAnalysis.h
index 205c34a..6b300fd 100644
--- a/include/llvm/Analysis/MemoryDependenceAnalysis.h
+++ b/include/llvm/Analysis/MemoryDependenceAnalysis.h
@@ -30,6 +30,7 @@ namespace llvm {
class TargetData;
class MemoryDependenceAnalysis;
class PredIteratorCache;
+ class DominatorTree;
/// MemDepResult - A memory dependence query can return one of three different
/// answers, described below.
@@ -244,6 +245,29 @@ namespace llvm {
BasicBlock *BB,
SmallVectorImpl<NonLocalDepEntry> &Result);
+ /// GetPHITranslatedValue - Find an available version of the specified value
+ /// PHI translated across the specified edge. If MemDep isn't able to
+ /// satisfy this request, it returns null.
+ Value *GetPHITranslatedValue(Value *V,
+ BasicBlock *CurBB, BasicBlock *PredBB,
+ const TargetData *TD) const;
+
+ /// GetAvailablePHITranslatedValue - Return the value computed by
+ /// PHITranslatePointer if it dominates PredBB, otherwise return null.
+ Value *GetAvailablePHITranslatedValue(Value *V,
+ BasicBlock *CurBB, BasicBlock *PredBB,
+ const TargetData *TD,
+ const DominatorTree &DT) const;
+
+ /// InsertPHITranslatedPointer - Insert a computation of the PHI translated
+ /// version of 'V' for the edge PredBB->CurBB into the end of the PredBB
+ /// block. All newly created instructions are added to the NewInsts list.
+ Value *InsertPHITranslatedPointer(Value *V,
+ BasicBlock *CurBB, BasicBlock *PredBB,
+ const TargetData *TD,
+ const DominatorTree &DT,
+ SmallVectorImpl<Instruction*> &NewInsts) const;
+
/// removeInstruction - Remove an instruction from the dependence analysis,
/// updating the dependence of instructions that previously depended on it.
void removeInstruction(Instruction *InstToRemove);
OpenPOWER on IntegriCloud