Implement nans, prefetch, and trap builtins.
This closes <rdar://problem/6080720>, support for __builtin_constant_p
has been filed separately.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53885 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/builtin-prefetch.c b/test/Sema/builtin-prefetch.c
new file mode 100644
index 0000000..084e8a1
--- /dev/null
+++ b/test/Sema/builtin-prefetch.c
@@ -0,0 +1,13 @@
+// RUN: clang -fsyntax-only -verify %s
+
+int foo() {
+ int a;
+ __builtin_prefetch(&a);
+ __builtin_prefetch(&a, 1);
+ __builtin_prefetch(&a, 1, 2);
+ __builtin_prefetch(&a, 1, 9, 3); // expected-error{{too many arguments to function}}, expected-error{{argument should be a value from 0 to 3}}
+ __builtin_prefetch(&a, "hello", 2); // expected-error{{argument to __builtin_prefetch must be a constant integer}}
+ __builtin_prefetch(&a, 2); // expected-error{{argument should be a value from 0 to 1}}
+ __builtin_prefetch(&a, 0, 4); // expected-error{{argument should be a value from 0 to 3}}
+ __builtin_prefetch(&a, -1, 4); // expected-error{{argument should be a value from 0 to 1}}, expected-error{{argument should be a value from 0 to 3}}
+}