The library functions defined in the C99 standard headers
are not available (OpenCL v1.2 s6.9.f).
This change stops treating OpenCL builtin functions as standard C lib
functions to eliminate warning messages about printf format string.
Patch by Liu Yaxun (Sam)!
Differential Revision: http://reviews.llvm.org/D16812
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@260671
91177308-0d34-0410-b5e6-
96231b3b80d8
if (getStorageClass() == SC_Static)
return 0;
+ // OpenCL v1.2 s6.9.f - The library functions defined in
+ // the C99 standard headers are not available.
+ if (Context.getLangOpts().OpenCL &&
+ Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID))
+ return 0;
+
return BuiltinID;
}
// RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only
-float __attribute__((overloadable)) acos(float); // expected-no-diagnostics
+// expected-no-diagnostics
+
+float __attribute__((overloadable)) acos(float);
+
+typedef float float4 __attribute__((ext_vector_type(4)));
+int printf(__constant const char* st, ...);
+
+void test(void)
+{
+ float4 a;
+ printf("%8.4v4hlf\n", a);
+}