| // RUN: %clang_cc1 %s -triple spirv-pc-vulkan-pixel -verify |
| |
| typedef float float2 __attribute__((ext_vector_type(2))); |
| |
| void test_too_few_arg() |
| { |
| return __builtin_spirv_ddx(); |
| // expected-error@-1 {{too few arguments to function call, expected 1, have 0}} |
| } |
| |
| float test_too_many_arg(float p0) { |
| return __builtin_spirv_ddx(p0, p0); |
| // expected-error@-1 {{too many arguments to function call, expected 1, have 2}} |
| } |
| |
| float test_int_scalar_inputs(int p0) { |
| return __builtin_spirv_ddx(p0); |
| // expected-error@-1 {{1st argument must be a scalar or vector of floating-point types (was 'int')}} |
| } |
| |
| float test_mismatched_return(float2 p0) { |
| return __builtin_spirv_ddx(p0); |
| // expected-error@-1 {{returning 'float2' (vector of 2 'float' values) from a function with incompatible result type 'float'}} |
| } |
