Add a TBAA type for pointer types.

Dan Gohman · Dan Gohman · commit d65c1964393c · 2010-10-15T00:01:39.000Z
llvm-svn: 116544
diff --git a/clang/lib/CodeGen/CodeGenTBAA.cpp b/clang/lib/CodeGen/CodeGenTBAA.cpp
@@ -77,6 +77,10 @@ CodeGenTBAA::getTBAAInfo(QualType QTy) {
     }
   }
 
+  // For now, treat all pointers as equivalent to each other.
+  if (Ty->isPointerType())
+    return MetadataCache[Ty] = getTBAAInfoForNamedType("TBAA.pointer", Char);
+
   // For now, handle any other kind of type conservatively.
   return MetadataCache[Ty] = Char;
 }

Original file line number	Diff line number	Diff line change
`@@ -77,6 +77,10 @@ CodeGenTBAA::getTBAAInfo(QualType QTy) {`
`77`	`77`	`}`
`78`	`78`	`}`
`79`	`79`
	`80`	`+ // For now, treat all pointers as equivalent to each other.`
	`81`	`+ if (Ty->isPointerType())`
	`82`	`+ return MetadataCache[Ty] = getTBAAInfoForNamedType("TBAA.pointer", Char);`
	`83`	`+`
`80`	`84`	`// For now, handle any other kind of type conservatively.`
`81`	`85`	`return MetadataCache[Ty] = Char;`
`82`	`86`	`}`