[llvm-commits] [llvm] r88862 - /llvm/trunk/include/llvm/Support/Compiler.h

[Chris Lattner]

Author: lattner
Date: Sun Nov 15 13:54:31 2009
New Revision: 88862

URL: http://llvm.org/viewvc/llvm-project?rev=88862&view=rev
Log:
add attributes for readnone/readonly functions.


Modified:
    llvm/trunk/include/llvm/Support/Compiler.h

Modified: llvm/trunk/include/llvm/Support/Compiler.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Compiler.h?rev=88862&r1=88861&r2=88862&view=diff

==============================================================================
--- llvm/trunk/include/llvm/Support/Compiler.h (original)
+++ llvm/trunk/include/llvm/Support/Compiler.h Sun Nov 15 13:54:31 2009
@@ -29,6 +29,18 @@
 #define ATTRIBUTE_USED
 #endif
 
+#ifdef __GNUC__ // aka 'ATTRIBUTE_CONST' but following LLVM Conventions.
+#define ATTRIBUTE_READNONE __attribute__((__const__))
+#else
+#define ATTRIBUTE_READNONE
+#endif
+
+#ifdef __GNUC__  // aka 'ATTRIBUTE_PURE' but following LLVM Conventions.
+#define ATTRIBUTE_READONLY __attribute__((__pure__))
+#else
+#define ATTRIBUTE_READONLY
+#endif
+
 #if (__GNUC__ >= 4)
 #define BUILTIN_EXPECT(EXPR, VALUE) __builtin_expect((EXPR), (VALUE))
 #else