xref: /aosp_15_r20/external/clang/test/Parser/pragma-optimize-diagnostics.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s
2*67e74705SXin Li 
3*67e74705SXin Li #pragma clang optimize off
4*67e74705SXin Li 
5*67e74705SXin Li #pragma clang optimize on
6*67e74705SXin Li 
7*67e74705SXin Li // Extra arguments
8*67e74705SXin Li #pragma clang optimize on top of spaghetti  // expected-error {{unexpected extra argument 'top' to '#pragma clang optimize'}}
9*67e74705SXin Li 
10*67e74705SXin Li // Wrong argument
11*67e74705SXin Li #pragma clang optimize something_wrong  // expected-error {{unexpected argument 'something_wrong' to '#pragma clang optimize'; expected 'on' or 'off'}}
12*67e74705SXin Li 
13*67e74705SXin Li // No argument
14*67e74705SXin Li #pragma clang optimize // expected-error {{missing argument to '#pragma clang optimize'; expected 'on' or 'off'}}
15*67e74705SXin Li 
16*67e74705SXin Li // Check that macros can be used in the pragma
17*67e74705SXin Li #define OFF off
18*67e74705SXin Li #define ON on
19*67e74705SXin Li #pragma clang optimize OFF
20*67e74705SXin Li #pragma clang optimize ON
21*67e74705SXin Li 
22*67e74705SXin Li // Check that _Pragma can also be used to address the use case where users want
23*67e74705SXin Li // to define optimization control macros to abstract out which compiler they are
24*67e74705SXin Li // using.
25*67e74705SXin Li #define OPT_OFF _Pragma("clang optimize off")
26*67e74705SXin Li #define OPT_ON _Pragma("clang optimize on")
27*67e74705SXin Li OPT_OFF
28*67e74705SXin Li OPT_ON
29