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[clang][RISCV][test] Add coverage for __fp16 support in arguments/returns

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By choice, we don't set HalfArgsAndReturns=true (which would allow
__fp16 in args and returns). Add test coverage for this to ensure it
isn't changed by accident.
This commit is contained in:
Alex Bradbury 2023-03-01 15:17:19 +00:00
parent 1bf8ae17f5
commit 34b412dc0e
1 changed files with 38 additions and 0 deletions
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38
clang/test/Sema/riscv-fp16.c Normal file
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// RUN: %clang_cc1 -fsyntax-only -triple riscv32 -Wno-strict-prototypes -verify %s
// RUN: %clang_cc1 -fsyntax-only -triple riscv64 -Wno-strict-prototypes -verify %s
// REQUIRES: riscv-registered-target
// Functions cannot have parameters of type __fp16.
extern void f (__fp16); // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
extern void g (__fp16 *);
extern void (*pf) (__fp16); // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
extern void (*pg) (__fp16*);
typedef void(*tf) (__fp16); // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
typedef void(*tg) (__fp16*);
void kf(a)
__fp16 a; { // expected-error {{parameters cannot have __fp16 type; did you forget * ?}}
}
void kg(a)
__fp16 *a; {
}
// Functions cannot return type __fp16.
extern __fp16 f1 (void); // expected-error {{function return value cannot have __fp16 type; did you forget * ?}}
extern __fp16 *g1 (void);
extern __fp16 (*pf1) (void); // expected-error {{function return value cannot have __fp16 type; did you forget * ?}}
extern __fp16 *(*gf1) (void);
typedef __fp16 (*tf1) (void); // expected-error {{function return value cannot have __fp16 type; did you forget * ?}}
typedef __fp16 *(*tg1) (void);
void testComplex() {
// FIXME: Should these be valid?
_Complex __fp16 a; // expected-error {{'_Complex half' is invalid}}
__fp16 b;
a = __builtin_complex(b, b); // expected-error {{'_Complex half' is invalid}}
}