[llvm-commits] CVS: llvm/lib/Analysis/AliasAnalysis.cpp

[Chris Lattner]

Changes in directory llvm/lib/Analysis:

AliasAnalysis.cpp updated: 1.12 -> 1.13

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Log message:

Add new -no-aa implementation


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Diffs of the changes:

Index: llvm/lib/Analysis/AliasAnalysis.cpp
diff -u llvm/lib/Analysis/AliasAnalysis.cpp:1.12 llvm/lib/Analysis/AliasAnalysis.cpp:1.13
--- llvm/lib/Analysis/AliasAnalysis.cpp:1.12	Wed Feb 26 13:41:54 2003
+++ llvm/lib/Analysis/AliasAnalysis.cpp	Wed Feb 26 13:57:10 2003
@@ -97,3 +97,22 @@
 extern void BasicAAStub();
 static IncludeFile INCLUDE_BASICAA_CPP((void*)&BasicAAStub);
 
+
+namespace {
+  struct NoAA : public ImmutablePass, public AliasAnalysis {
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AliasAnalysis::getAnalysisUsage(AU);
+    }
+    
+    virtual void initializePass() {
+      InitializeAliasAnalysis(this);
+    }
+  };
+ 
+  // Register this pass...
+  RegisterOpt<NoAA>
+  X("no-aa", "No Alias Analysis (always returns 'may' alias)");
+
+  // Declare that we implement the AliasAnalysis interface
+  RegisterAnalysisGroup<AliasAnalysis, NoAA> Y;
+}  // End of anonymous namespace