Add the clang library to the repo (with some of my changes, too).

1 files changed, 14 insertions, 0 deletions

diff --git a/clang/test/Sema/builtin-prefetch.c b/clang/test/Sema/builtin-prefetch.c
new file mode 100644
index 0000000..c5fa792
--- /dev/null
+++ b/clang/test/Sema/builtin-prefetch.c
@@ -0,0 +1,14 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+void 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}}
+  __builtin_prefetch(&a, "hello", 2); // expected-error{{argument to '__builtin_prefetch' must be a constant integer}}
+  __builtin_prefetch(&a, a, 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}}
+}