xref: /llvm-project/clang/test/Sema/conditional.c (revision 343bed8d3a9b632594a3f786bbb189613975d51e)
1 // RUN: %clang_cc1 %s -fsyntax-only -fenable-matrix -verify
2 
3 const char* test1 = 1 ? "i" : 1 == 1 ? "v" : "r";
4 
5 void _efree(void *ptr);
6 void free(void *ptr);
7 
_php_stream_free1(void)8 int _php_stream_free1(void) {
9   return (1 ? free(0) : _efree(0)); // expected-error {{returning 'void' from a function with incompatible result type 'int'}}
10 }
11 
_php_stream_free2(void)12 int _php_stream_free2(void) {
13   return (1 ? _efree(0) : free(0));  // expected-error {{returning 'void' from a function with incompatible result type 'int'}}
14 }
15 
pr39809(void)16 void pr39809(void) {
17   _Generic(0 ? (int const *)0 : (void *)0, int const *: (void)0);
18   _Generic(0 ? (int const *)0 : (void *)1, void const *: (void)0);
19   _Generic(0 ? (int volatile*)0 : (void const*)1, void volatile const*: (void)0);
20   _Generic(0 ? (int volatile*)0 : (void const*)0, void volatile const*: (void)0);
21 }
22 
23 // Ensure we compute the correct common type for extension types as well.
GH69008(void)24 void GH69008(void) {
25   typedef float mat4 __attribute((matrix_type(4, 4)));
26   typedef float mat5 __attribute((matrix_type(5, 5)));
27 
28   mat4 transform;
29   (void)(1 ? transform : transform); // ok
30 
31   mat5 other_transform;
32   (void)(1 ? other_transform : transform); // expected-error {{incompatible operand types ('mat5' (aka 'float __attribute__((matrix_type(5, 5)))') and 'mat4' (aka 'float __attribute__((matrix_type(4, 4)))'))}}
33 }
34