1 files changed, 33 insertions, 0 deletions
diff --git a/clang/test/Sema/builtins.c b/clang/test/Sema/builtins.c
new file mode 100644
index 00000000000..997a8ede0ea
--- /dev/null
+++ b/clang/test/Sema/builtins.c
@@ -0,0 +1,33 @@
+// RUN: clang %s -fsyntax-only -verify
+
+int test1(float a, int b) {
+  return __builtin_isless(a, b);
+}
+int test2(int a, int b) {
+  return __builtin_islessequal(a, b);  // expected-error {{floating point type}}
+}
+
+int test3(double a, float b) {
+  return __builtin_isless(a, b);
+}
+int test4(int* a, double b) {
+  return __builtin_islessequal(a, b);  // expected-error {{floating point type}}
+}
+
+int test5(float a, long double b) {
+  return __builtin_isless(a, b, b);  // expected-error {{too many arguments}}
+}
+int test6(float a, long double b) {
+  return __builtin_islessequal(a);  // expected-error {{too few arguments}}
+}
+
+
+#define CFSTR __builtin___CFStringMakeConstantString
+void cfstring() {
+  CFSTR("\242"); // expected-warning {{ CFString literal contains non-ASCII character }}
+  CFSTR("\0"); // expected-warning {{ CFString literal contains NUL character }}
+  CFSTR(242); // expected-error {{ CFString literal is not a string constant }} \
+    expected-warning {{incompatible types}}
+  CFSTR("foo", "bar"); // expected-error {{ error: too many arguments to function }}
+}
+