diff options
Diffstat (limited to 'include/llvm/Analysis/AliasAnalysis.h')
| -rw-r--r-- | include/llvm/Analysis/AliasAnalysis.h | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/include/llvm/Analysis/AliasAnalysis.h b/include/llvm/Analysis/AliasAnalysis.h index ba040e1..be7d5ee 100644 --- a/include/llvm/Analysis/AliasAnalysis.h +++ b/include/llvm/Analysis/AliasAnalysis.h @@ -56,8 +56,7 @@ protected: void InitializeAliasAnalysis(Pass *P); /// getAnalysisUsage - All alias analysis implementations should invoke this - /// directly (using AliasAnalysis::getAnalysisUsage(AU)) to make sure that - /// TargetData is required by the pass. + /// directly (using AliasAnalysis::getAnalysisUsage(AU)). virtual void getAnalysisUsage(AnalysisUsage &AU) const; public: @@ -65,11 +64,15 @@ public: AliasAnalysis() : TD(0), AA(0) {} virtual ~AliasAnalysis(); // We want to be subclassed - /// getTargetData - Every alias analysis implementation depends on the size of - /// data items in the current Target. This provides a uniform way to handle - /// it. + /// getTargetData - Return a pointer to the current TargetData object, or + /// null if no TargetData object is available. /// - const TargetData &getTargetData() const { return *TD; } + const TargetData *getTargetData() const { return TD; } + + /// getTypeStoreSize - Return the TargetData store size for the given type, + /// if known, or a conservative value otherwise. + /// + unsigned getTypeStoreSize(const Type *Ty); //===--------------------------------------------------------------------===// /// Alias Queries... @@ -344,7 +347,7 @@ bool isNoAliasCall(const Value *V); /// isIdentifiedObject - Return true if this pointer refers to a distinct and /// identifiable object. This returns true for: -/// Global Variables and Functions +/// Global Variables and Functions (but not Global Aliases) /// Allocas and Mallocs /// ByVal and NoAlias Arguments /// NoAlias returns |
