xref: /llvm-project/clang/test/Preprocessor/pragma_unknown.c (revision b40c53465650456bfd364c123b1001e025353a33)
1 // RUN: %clang_cc1 -fsyntax-only -Wunknown-pragmas -verify %s
2 // RUN: %clang_cc1 -E %s 2>&1 | FileCheck --strict-whitespace %s
3 
4 // GCC doesn't expand macro args for unrecognized pragmas.
5 #define bar xX
6 #pragma foo bar   // expected-warning {{unknown pragma ignored}}
7 // CHECK-NOT: unknown pragma in STDC namespace
8 // CHECK: {{^}}#pragma foo bar{{$}}
9 
10 #pragma STDC FP_CONTRACT ON
11 #pragma STDC FP_CONTRACT OFF
12 #pragma STDC FP_CONTRACT DEFAULT
13 #pragma STDC FP_CONTRACT IN_BETWEEN  // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}
14 // CHECK: {{^}}#pragma STDC FP_CONTRACT ON{{$}}
15 // CHECK: {{^}}#pragma STDC FP_CONTRACT OFF{{$}}
16 // CHECK: {{^}}#pragma STDC FP_CONTRACT DEFAULT{{$}}
17 // CHECK: {{^}}#pragma STDC FP_CONTRACT IN_BETWEEN{{$}}
18 
19 #pragma STDC CX_LIMITED_RANGE ON
20 #pragma STDC CX_LIMITED_RANGE OFF
21 #pragma STDC CX_LIMITED_RANGE DEFAULT
22 #pragma STDC CX_LIMITED_RANGE IN_BETWEEN   // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}
23 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE ON{{$}}
24 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE OFF{{$}}
25 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE DEFAULT{{$}}
26 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE IN_BETWEEN{{$}}
27 
28 #pragma STDC CX_LIMITED_RANGE    // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}
29 #pragma STDC CX_LIMITED_RANGE ON FULL POWER  // expected-warning {{expected end of directive in pragma}}
30 //expected-error@-1 {{unknown type name 'POWER'}}
31 //expected-error@-2 {{expected identifier or '('}}
32 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE{{$}}
33 // CHECK: {{^}}#pragma STDC CX_LIMITED_RANGE ON FULL POWER{{$}}
34 
35 #pragma STDC SO_GREAT  // expected-warning {{unknown pragma in STDC namespace}}
36 #pragma STDC   // expected-warning {{unknown pragma in STDC namespace}}
37 // CHECK: {{^}}#pragma STDC SO_GREAT{{$}}
38 // CHECK: {{^}}#pragma STDC{{$}}
39