1 // RUN: %clang_cc1 -triple r600-- -verify -fsyntax-only %s 2 3 typedef __attribute__((amdgpu_num_vgpr(128))) struct FooStruct { // expected-error {{'amdgpu_num_vgpr' attribute only applies to kernel functions}} 4 int x; 5 float y; 6 } FooStruct; 7 8 9 __attribute__((amdgpu_num_vgpr("ABC"))) kernel void foo2() {} // expected-error {{'amdgpu_num_vgpr' attribute requires an integer constant}} 10 __attribute__((amdgpu_num_sgpr("ABC"))) kernel void foo3() {} // expected-error {{'amdgpu_num_sgpr' attribute requires an integer constant}} 11 12 13 __attribute__((amdgpu_num_vgpr(40))) void foo4() {} // expected-error {{'amdgpu_num_vgpr' attribute only applies to kernel functions}} 14 __attribute__((amdgpu_num_sgpr(64))) void foo5() {} // expected-error {{'amdgpu_num_sgpr' attribute only applies to kernel functions}} 15 16 __attribute__((amdgpu_num_vgpr(40))) kernel void foo7() {} 17 __attribute__((amdgpu_num_sgpr(64))) kernel void foo8() {} 18 __attribute__((amdgpu_num_vgpr(40), amdgpu_num_sgpr(64))) kernel void foo9() {} 19 20 // Check 0 VGPR is accepted. 21 __attribute__((amdgpu_num_vgpr(0))) kernel void foo10() {} 22 23 // Check 0 SGPR is accepted. 24 __attribute__((amdgpu_num_sgpr(0))) kernel void foo11() {} 25 26 // Check both 0 SGPR and VGPR is accepted. 27 __attribute__((amdgpu_num_vgpr(0), amdgpu_num_sgpr(0))) kernel void foo12() {} 28 29 // Too large VGPR value. 30 __attribute__((amdgpu_num_vgpr(4294967296))) kernel void foo13() {} // expected-error {{integer constant expression evaluates to value 4294967296 that cannot be represented in a 32-bit unsigned integer type}} 31 32 __attribute__((amdgpu_num_sgpr(4294967296))) kernel void foo14() {} // expected-error {{integer constant expression evaluates to value 4294967296 that cannot be represented in a 32-bit unsigned integer type}} 33 34 __attribute__((amdgpu_num_sgpr(4294967296), amdgpu_num_vgpr(4294967296))) kernel void foo15() {} // expected-error 2 {{integer constant expression evaluates to value 4294967296 that cannot be represented in a 32-bit unsigned integer type}} 35 36 37 // Make sure it is accepted with kernel keyword before the attribute. 38 kernel __attribute__((amdgpu_num_vgpr(40))) void foo16() {} 39 40 kernel __attribute__((amdgpu_num_sgpr(40))) void foo17() {} 41
