test/CodeGenOpenCL/amdgpu-num-gpr-attr.cl

   1 // RUN: %clang_cc1 -triple amdgcn-- -target-cpu tahiti -O0 -emit-llvm -o - %s | FileCheck %s
   2 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -O0 -emit-llvm -verify -o - %s | FileCheck -check-prefix=X86 %s
   3
   4 // Make sure this is silently accepted on other targets.
   5
   6 __attribute__((amdgpu_num_vgpr(64))) // expected-no-diagnostics
   7 kernel void test_num_vgpr64() {
   8 // CHECK: define amdgpu_kernel void @test_num_vgpr64() [[ATTR_VGPR64:#[0-9]+]]
   9 }
  10
  11 __attribute__((amdgpu_num_sgpr(32))) // expected-no-diagnostics
  12 kernel void test_num_sgpr32() {
  13 // CHECK: define amdgpu_kernel void @test_num_sgpr32() [[ATTR_SGPR32:#[0-9]+]]
  14 }
  15
  16 __attribute__((amdgpu_num_vgpr(64), amdgpu_num_sgpr(32))) // expected-no-diagnostics
  17 kernel void test_num_vgpr64_sgpr32() {
  18 // CHECK: define amdgpu_kernel void @test_num_vgpr64_sgpr32() [[ATTR_VGPR64_SGPR32:#[0-9]+]]
  19
  20 }
  21
  22 __attribute__((amdgpu_num_sgpr(20), amdgpu_num_vgpr(40))) // expected-no-diagnostics
  23 kernel void test_num_sgpr20_vgpr40() {
  24 // CHECK: define amdgpu_kernel void @test_num_sgpr20_vgpr40() [[ATTR_SGPR20_VGPR40:#[0-9]+]]
  25 }
  26
  27 __attribute__((amdgpu_num_vgpr(0))) // expected-no-diagnostics
  28 kernel void test_num_vgpr0() {
  29 }
  30
  31 __attribute__((amdgpu_num_sgpr(0))) // expected-no-diagnostics
  32 kernel void test_num_sgpr0() {
  33 }
  34
  35 __attribute__((amdgpu_num_vgpr(0), amdgpu_num_sgpr(0))) // expected-no-diagnostics
  36 kernel void test_num_vgpr0_sgpr0() {
  37 }
  38
  39
  40 // X86-NOT: "amdgpu_num_vgpr"
  41 // X86-NOT: "amdgpu_num_sgpr"
  42
  43 // CHECK-NOT: "amdgpu_num_vgpr"="0"
  44 // CHECK-NOT: "amdgpu_num_sgpr"="0"
  45 // CHECK-DAG: attributes [[ATTR_VGPR64]] = { nounwind "amdgpu_num_vgpr"="64"
  46 // CHECK-DAG: attributes [[ATTR_SGPR32]] = { nounwind "amdgpu_num_sgpr"="32"
  47 // CHECK-DAG: attributes [[ATTR_VGPR64_SGPR32]] = { nounwind "amdgpu_num_sgpr"="32" "amdgpu_num_vgpr"="64"
  48 // CHECK-DAG: attributes [[ATTR_SGPR20_VGPR40]] = { nounwind "amdgpu_num_sgpr"="20" "amdgpu_num_vgpr"="40"