[PATCH] Adding _mm_prefetch and other builtins

[Hans Wennborg]

  Looks good to me, just a nit about one of the test files.


================
Comment at: test/CodeGen/ms-builtins.c:14
@@ +13,3 @@
+  __noop();
+  __debugbreak();
+};
----------------
The __noop() and __debugbreak() seem redundant for the test..

================
Comment at: test/CodeGen/ms-builtins.c:17
@@ +16,3 @@
+
+int main() {
+	volatile long b = 0;
----------------
.. as does this main() function and printf(). I assume they were used for local testing, but I don't think we should commit them.


http://llvm-reviews.chandlerc.com/D2822