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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
#include "Inputs/cuda.h"
__attribute__((amdgpu_flat_work_group_size(32, 64)))
__global__ void flat_work_group_size_32_64() {}
__attribute__((amdgpu_waves_per_eu(2)))
__global__ void waves_per_eu_2() {}
__attribute__((amdgpu_waves_per_eu(2, 4)))
__global__ void waves_per_eu_2_4() {}
__attribute__((amdgpu_num_sgpr(32)))
__global__ void num_sgpr_32() {}
__attribute__((amdgpu_num_vgpr(64)))
__global__ void num_vgpr_64() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_waves_per_eu(2)))
__global__ void flat_work_group_size_32_64_waves_per_eu_2() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_waves_per_eu(2, 4)))
__global__ void flat_work_group_size_32_64_waves_per_eu_2_4() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_num_sgpr(32)))
__global__ void flat_work_group_size_32_64_num_sgpr_32() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_num_vgpr(64)))
__global__ void flat_work_group_size_32_64_num_vgpr_64() {}
__attribute__((amdgpu_waves_per_eu(2), amdgpu_num_sgpr(32)))
__global__ void waves_per_eu_2_num_sgpr_32() {}
__attribute__((amdgpu_waves_per_eu(2), amdgpu_num_vgpr(64)))
__global__ void waves_per_eu_2_num_vgpr_64() {}
__attribute__((amdgpu_waves_per_eu(2, 4), amdgpu_num_sgpr(32)))
__global__ void waves_per_eu_2_4_num_sgpr_32() {}
__attribute__((amdgpu_waves_per_eu(2, 4), amdgpu_num_vgpr(64)))
__global__ void waves_per_eu_2_4_num_vgpr_64() {}
__attribute__((amdgpu_num_sgpr(32), amdgpu_num_vgpr(64)))
__global__ void num_sgpr_32_num_vgpr_64() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_waves_per_eu(2), amdgpu_num_sgpr(32)))
__global__ void flat_work_group_size_32_64_waves_per_eu_2_num_sgpr_32() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_waves_per_eu(2), amdgpu_num_vgpr(64)))
__global__ void flat_work_group_size_32_64_waves_per_eu_2_num_vgpr_64() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_waves_per_eu(2, 4), amdgpu_num_sgpr(32)))
__global__ void flat_work_group_size_32_64_waves_per_eu_2_4_num_sgpr_32() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_waves_per_eu(2, 4), amdgpu_num_vgpr(64)))
__global__ void flat_work_group_size_32_64_waves_per_eu_2_4_num_vgpr_64() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_waves_per_eu(2), amdgpu_num_sgpr(32), amdgpu_num_vgpr(64)))
__global__ void flat_work_group_size_32_64_waves_per_eu_2_num_sgpr_32_num_vgpr_64() {}
__attribute__((amdgpu_flat_work_group_size(32, 64), amdgpu_waves_per_eu(2, 4), amdgpu_num_sgpr(32), amdgpu_num_vgpr(64)))
__global__ void flat_work_group_size_32_64_waves_per_eu_2_4_num_sgpr_32_num_vgpr_64() {}
// expected-error@+2{{attribute 'reqd_work_group_size' can only be applied to an OpenCL kernel function}}
__attribute__((reqd_work_group_size(32, 64, 64)))
__global__ void reqd_work_group_size_32_64_64() {}
// expected-error@+2{{attribute 'work_group_size_hint' can only be applied to an OpenCL kernel function}}
__attribute__((work_group_size_hint(2, 2, 2)))
__global__ void work_group_size_hint_2_2_2() {}
// expected-error@+2{{attribute 'vec_type_hint' can only be applied to an OpenCL kernel function}}
__attribute__((vec_type_hint(int)))
__global__ void vec_type_hint_int() {}
// expected-error@+2{{attribute 'intel_reqd_sub_group_size' can only be applied to an OpenCL kernel function}}
__attribute__((intel_reqd_sub_group_size(64)))
__global__ void intel_reqd_sub_group_size_64() {}
// expected-error@+1{{'amdgpu_flat_work_group_size' attribute requires parameter 0 to be an integer constant}}
__attribute__((amdgpu_flat_work_group_size("32", 64)))
__global__ void non_int_min_flat_work_group_size_32_64() {}
// expected-error@+1{{'amdgpu_flat_work_group_size' attribute requires parameter 1 to be an integer constant}}
__attribute__((amdgpu_flat_work_group_size(32, "64")))
__global__ void non_int_max_flat_work_group_size_32_64() {}
int nc_min = 32, nc_max = 64;
// expected-error@+1{{'amdgpu_flat_work_group_size' attribute requires parameter 0 to be an integer constant}}
__attribute__((amdgpu_flat_work_group_size(nc_min, 64)))
__global__ void non_cint_min_flat_work_group_size_32_64() {}
// expected-error@+1{{'amdgpu_flat_work_group_size' attribute requires parameter 1 to be an integer constant}}
__attribute__((amdgpu_flat_work_group_size(32, nc_max)))
__global__ void non_cint_max_flat_work_group_size_32_64() {}
const int c_min = 16, c_max = 32;
__attribute__((amdgpu_flat_work_group_size(c_min * 2, 64)))
__global__ void cint_min_flat_work_group_size_32_64() {}
__attribute__((amdgpu_flat_work_group_size(32, c_max * 2)))
__global__ void cint_max_flat_work_group_size_32_64() {}
// expected-error@+3{{'T' does not refer to a value}}
// expected-note@+1{{declared here}}
template<typename T>
__attribute__((amdgpu_flat_work_group_size(T, 64)))
__global__ void template_class_min_flat_work_group_size_32_64() {}
// expected-error@+3{{'T' does not refer to a value}}
// expected-note@+1{{declared here}}
template<typename T>
__attribute__((amdgpu_flat_work_group_size(32, T)))
__global__ void template_class_max_flat_work_group_size_32_64() {}
template<unsigned a, unsigned b>
__attribute__((amdgpu_flat_work_group_size(a, b)))
__global__ void template_flat_work_group_size_32_64() {}
template __global__ void template_flat_work_group_size_32_64<32, 64>();
template<unsigned a, unsigned b, unsigned c>
__attribute__((amdgpu_flat_work_group_size(a + b, b + c)))
__global__ void template_complex_flat_work_group_size_32_64() {}
template __global__ void template_complex_flat_work_group_size_32_64<16, 16, 48>();
unsigned ipow2(unsigned n) { return n == 0 ? 1 : 2 * ipow2(n - 1); }
constexpr unsigned ce_ipow2(unsigned n) { return n == 0 ? 1 : 2 * ce_ipow2(n - 1); }
__attribute__((amdgpu_flat_work_group_size(ce_ipow2(5), ce_ipow2(6))))
__global__ void cexpr_flat_work_group_size_32_64() {}
// expected-error@+1{{'amdgpu_flat_work_group_size' attribute requires parameter 0 to be an integer constant}}
__attribute__((amdgpu_flat_work_group_size(ipow2(5), 64)))
__global__ void non_cexpr_min_flat_work_group_size_32_64() {}
// expected-error@+1{{'amdgpu_flat_work_group_size' attribute requires parameter 1 to be an integer constant}}
__attribute__((amdgpu_flat_work_group_size(32, ipow2(6))))
__global__ void non_cexpr_max_flat_work_group_size_32_64() {}
// expected-error@+1{{'amdgpu_waves_per_eu' attribute requires parameter 0 to be an integer constant}}
__attribute__((amdgpu_waves_per_eu("2")))
__global__ void non_int_min_waves_per_eu_2() {}
// expected-error@+1{{'amdgpu_waves_per_eu' attribute requires parameter 1 to be an integer constant}}
__attribute__((amdgpu_waves_per_eu(2, "4")))
__global__ void non_int_max_waves_per_eu_2_4() {}
// expected-error@+1{{'amdgpu_waves_per_eu' attribute requires parameter 0 to be an integer constant}}
__attribute__((amdgpu_waves_per_eu(nc_min)))
__global__ void non_cint_min_waves_per_eu_2() {}
// expected-error@+1{{'amdgpu_waves_per_eu' attribute requires parameter 1 to be an integer constant}}
__attribute__((amdgpu_waves_per_eu(2, nc_max)))
__global__ void non_cint_min_waves_per_eu_2_4() {}
__attribute__((amdgpu_waves_per_eu(c_min / 8)))
__global__ void cint_min_waves_per_eu_2() {}
__attribute__((amdgpu_waves_per_eu(c_min / 8, c_max / 8)))
__global__ void cint_min_waves_per_eu_2_4() {}
// expected-error@+3{{'T' does not refer to a value}}
// expected-note@+1{{declared here}}
template<typename T>
__attribute__((amdgpu_waves_per_eu(T)))
__global__ void cint_min_waves_per_eu_2() {}
// expected-error@+3{{'T' does not refer to a value}}
// expected-note@+1{{declared here}}
template<typename T>
__attribute__((amdgpu_waves_per_eu(2, T)))
__global__ void cint_min_waves_per_eu_2_4() {}
template<unsigned a>
__attribute__((amdgpu_waves_per_eu(a)))
__global__ void template_waves_per_eu_2() {}
template __global__ void template_waves_per_eu_2<2>();
template<unsigned a, unsigned b>
__attribute__((amdgpu_waves_per_eu(a, b)))
__global__ void template_waves_per_eu_2_4() {}
template __global__ void template_waves_per_eu_2_4<2, 4>();
template<unsigned a, unsigned b, unsigned c>
__attribute__((amdgpu_waves_per_eu(a + b, c - b)))
__global__ void template_complex_waves_per_eu_2_4() {}
template __global__ void template_complex_waves_per_eu_2_4<1, 1, 5>();
// expected-error@+2{{expression contains unexpanded parameter pack 'Args'}}
template<unsigned... Args>
__attribute__((amdgpu_waves_per_eu(Args)))
__global__ void template_waves_per_eu_2() {}
template __global__ void template_waves_per_eu_2<2, 4>();
__attribute__((amdgpu_waves_per_eu(ce_ipow2(1))))
__global__ void cexpr_waves_per_eu_2() {}
__attribute__((amdgpu_waves_per_eu(ce_ipow2(1), ce_ipow2(2))))
__global__ void cexpr_waves_per_eu_2_4() {}
// expected-error@+1{{'amdgpu_waves_per_eu' attribute requires parameter 0 to be an integer constant}}
__attribute__((amdgpu_waves_per_eu(ipow2(1))))
__global__ void non_cexpr_waves_per_eu_2() {}
// expected-error@+1{{'amdgpu_waves_per_eu' attribute requires parameter 1 to be an integer constant}}
__attribute__((amdgpu_waves_per_eu(2, ipow2(2))))
__global__ void non_cexpr_waves_per_eu_2_4() {}
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