xref: /minix3/external/bsd/llvm/dist/clang/test/Parser/pragma-optimize-diagnostics.cpp (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 #pragma clang optimize off
4 
5 #pragma clang optimize on
6 
7 // Extra arguments
8 #pragma clang optimize on top of spaghetti  // expected-error {{unexpected extra argument 'top' to '#pragma clang optimize'}}
9 
10 // Wrong argument
11 #pragma clang optimize something_wrong  // expected-error {{unexpected argument 'something_wrong' to '#pragma clang optimize'; expected 'on' or 'off'}}
12 
13 // No argument
14 #pragma clang optimize // expected-error {{missing argument to '#pragma clang optimize'; expected 'on' or 'off'}}
15 
16 // Check that macros can be used in the pragma
17 #define OFF off
18 #define ON on
19 #pragma clang optimize OFF
20 #pragma clang optimize ON
21 
22 // Check that _Pragma can also be used to address the use case where users want
23 // to define optimization control macros to abstract out which compiler they are
24 // using.
25 #define OPT_OFF _Pragma("clang optimize off")
26 #define OPT_ON _Pragma("clang optimize on")
27 OPT_OFF
28 OPT_ON
29