xref: /llvm-project/clang/test/Sema/riscv-fp16.c (revision 34b412dc0efe898b18b7afcf02d9e44d7e05b5ec)
1 // RUN: %clang_cc1 -fsyntax-only -triple riscv32 -Wno-strict-prototypes -verify %s
2 // RUN: %clang_cc1 -fsyntax-only -triple riscv64 -Wno-strict-prototypes -verify %s
3 // REQUIRES: riscv-registered-target
4 
5 // Functions cannot have parameters of type __fp16.
6 extern void f (__fp16); // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
7 extern void g (__fp16 *);
8 
9 extern void (*pf) (__fp16);  // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
10 extern void (*pg) (__fp16*);
11 
12 typedef void(*tf) (__fp16);  // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
13 typedef void(*tg) (__fp16*);
14 
kf(a)15 void kf(a)
16  __fp16 a; {  // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
17 }
18 
kg(a)19 void kg(a)
20  __fp16 *a; {
21 }
22 
23 // Functions cannot return type __fp16.
24 extern __fp16 f1 (void); // expected-error {{function return value cannot have __fp16 type; did you forget * ?}}
25 extern __fp16 *g1 (void);
26 
27 extern __fp16 (*pf1) (void); // expected-error {{function return value cannot have __fp16 type; did you forget * ?}}
28 extern __fp16 *(*gf1) (void);
29 
30 typedef __fp16 (*tf1) (void); // expected-error {{function return value cannot have __fp16 type; did you forget * ?}}
31 typedef __fp16 *(*tg1) (void);
32 
testComplex()33 void testComplex() {
34   // FIXME: Should these be valid?
35   _Complex __fp16 a; // expected-error {{'_Complex half' is invalid}}
36   __fp16 b;
37   a = __builtin_complex(b, b); // expected-error {{'_Complex half' is invalid}}
38 }
39