vendor/clang/clang-release_350-r216957

1 files changed, 28 insertions, 0 deletions

diff --git a/test/Parser/pragma-optimize-diagnostics.cpp b/test/Parser/pragma-optimize-diagnostics.cpp
new file mode 100644
index 000000000000..af11a4ef8153
--- /dev/null
+++ b/test/Parser/pragma-optimize-diagnostics.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+#pragma clang optimize off
+
+#pragma clang optimize on
+
+// Extra arguments
+#pragma clang optimize on top of spaghetti  // expected-error {{unexpected extra argument 'top' to '#pragma clang optimize'}}
+
+// Wrong argument
+#pragma clang optimize something_wrong  // expected-error {{unexpected argument 'something_wrong' to '#pragma clang optimize'; expected 'on' or 'off'}}
+
+// No argument
+#pragma clang optimize // expected-error {{missing argument to '#pragma clang optimize'; expected 'on' or 'off'}}
+
+// Check that macros can be used in the pragma
+#define OFF off
+#define ON on
+#pragma clang optimize OFF
+#pragma clang optimize ON
+
+// Check that _Pragma can also be used to address the use case where users want
+// to define optimization control macros to abstract out which compiler they are
+// using.
+#define OPT_OFF _Pragma("clang optimize off")
+#define OPT_ON _Pragma("clang optimize on")
+OPT_OFF
+OPT_ON