[llvm-commits] CVS: llvm/include/llvm/Analysis/BasicAliasAnalysis.h

[Chris Lattner]

Changes in directory llvm/include/llvm/Analysis:

BasicAliasAnalysis.h updated: 1.6 -> 1.7

---
Log message:

Tweak to work with new AA implementation


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Diffs of the changes:

Index: llvm/include/llvm/Analysis/BasicAliasAnalysis.h
diff -u llvm/include/llvm/Analysis/BasicAliasAnalysis.h:1.6 llvm/include/llvm/Analysis/BasicAliasAnalysis.h:1.7
--- llvm/include/llvm/Analysis/BasicAliasAnalysis.h:1.6	Wed Nov  6 11:17:55 2002
+++ llvm/include/llvm/Analysis/BasicAliasAnalysis.h	Wed Feb 26 13:25:04 2003
@@ -12,23 +12,26 @@
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Pass.h"
 
+class GetElementPtrInst;
+
 struct BasicAliasAnalysis : public ImmutablePass, public AliasAnalysis {
 
+  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+    AliasAnalysis::getAnalysisUsage(AU);
+  }
+
+  virtual void initializePass();
+
   // alias - This is the only method here that does anything interesting...
   //
-  Result alias(const Value *V1, const Value *V2);
-    
-  /// canCallModify - We are not interprocedural, so we do nothing exciting.
-  ///
-  Result canCallModify(const CallInst &CI, const Value *Ptr) {
-    return MayAlias;
-  }
-    
-  /// canInvokeModify - We are not interprocedural, so we do nothing exciting.
-  ///
-  Result canInvokeModify(const InvokeInst &I, const Value *Ptr) {
-    return MayAlias;  // We are not interprocedural
-  }
+  AliasResult alias(const Value *V1, unsigned V1Size,
+                    const Value *V2, unsigned V2Size);
+private:
+  // CheckGEPInstructions - Check two GEP instructions of compatible types and
+  // equal number of arguments.  This checks to see if the index expressions
+  // preclude the pointers from aliasing...
+  AliasResult CheckGEPInstructions(GetElementPtrInst *GEP1, unsigned G1Size,
+                                   GetElementPtrInst *GEP2, unsigned G2Size);
 };
 
 #endif