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// RUN: %clang_cc1 -std=c++14 -triple amdgcn-amd-amdhsa \
// RUN: -fcuda-is-device -emit-llvm -o - -x hip %s | FileCheck %s
// RUN: %clang_cc1 -std=c++14 -triple amdgcn-amd-amdhsa \
// RUN: -fcuda-is-device -emit-llvm -o - -x hip %s | FileCheck -check-prefix=NEG %s
#include "Inputs/cuda.h"
struct A {
int x;
};
// Check the situation of B<T> has empty ctor but B<int> has non-empty ctor.
// Make sure const B<int> variables are not promoted to constant variables.
template<typename T>
struct B {
T x;
B() {}
B(T _x) { x = _x; }
static const B<T> y;
};
template<>
struct B<int> {
int x;
B() { x = 1; }
static const B<int> y;
};
template<typename T>
const B<T> B<T>::y;
const B<int> B<int>::y;
template<typename T>
T temp_fun(T x) {
return B<T>::y.x;
}
// Check template variable with empty default ctor but non-empty initializer
// ctor is not promoted.
template<typename T>
const B<T> b = B<T>(-1);
constexpr int constexpr_var = 1;
constexpr A constexpr_struct{2};
constexpr A constexpr_array[4] = {0, 0, 0, 3};
constexpr char constexpr_str[] = "abcd";
const int const_var = 4;
const A const_struct{5};
const A const_array[] = {0, 0, 0, 6};
const char const_str[] = "xyz";
// Check const variables used by host only are not emitted.
const int var_host_only = 7;
// CHECK-DAG: @_ZL13constexpr_str.const = private unnamed_addr addrspace(4) constant [5 x i8] c"abcd\00"
// CHECK-DAG: @_ZL13constexpr_var = internal addrspace(4) constant i32 1
// CHECK-DAG: @_ZL16constexpr_struct = internal addrspace(4) constant %struct.A { i32 2 }
// CHECK-DAG: @_ZL15constexpr_array = internal addrspace(4) constant [4 x %struct.A] [%struct.A zeroinitializer, %struct.A zeroinitializer, %struct.A zeroinitializer, %struct.A { i32 3 }]
// CHECK-DAG: @_ZL9const_var = internal addrspace(4) constant i32 4
// CHECK-DAG: @_ZL12const_struct = internal addrspace(4) constant %struct.A { i32 5 }
// CHECK-DAG: @_ZL11const_array = internal addrspace(4) constant [4 x %struct.A] [%struct.A zeroinitializer, %struct.A zeroinitializer, %struct.A zeroinitializer, %struct.A { i32 6 }]
// CHECK-DAG: @_ZL9const_str = internal addrspace(4) constant [4 x i8] c"xyz\00"
// NEG-NOT: @_ZN1BIiE1yE
// NEG-NOT: @_Z1bIdE
// NEG-NOT: @_ZL13var_host_only
// NEG-NOT: {{^}}@{{.*}} = external
// CHECK-LABEL: define{{.*}}@_Z7dev_funPiPPKi
// CHECK: store i32 1
// CHECK: store i32 2
// CHECK: store i32 3
// CHECK: load i8, ptr getelementptr {{.*}} @_ZL13constexpr_str.const
// CHECK: store i32 4
// CHECK: store i32 5
// CHECK: store i32 6
// CHECK: load i8, ptr getelementptr {{.*}} @_ZL9const_str
// CHECK: store ptr {{.*}}@_ZL13constexpr_var
// CHECK: store ptr {{.*}} @_ZL16constexpr_struct
// CHECK: store ptr getelementptr {{.*}} @_ZL15constexpr_array
// CHECK: store ptr {{.*}}@_ZL9const_var
// CHECK: store ptr {{.*}} @_ZL12const_struct
// CHECK: store ptr getelementptr {{.*}} @_ZL11const_array
__device__ void dev_fun(int *out, const int **out2) {
*out = constexpr_var;
*out = constexpr_struct.x;
*out = constexpr_array[3].x;
*out = constexpr_str[3];
*out = const_var;
*out = const_struct.x;
*out = const_array[3].x;
*out = const_str[3];
*out2 = &constexpr_var;
*out2 = &constexpr_struct.x;
*out2 = &constexpr_array[3].x;
*out2 = &const_var;
*out2 = &const_struct.x;
*out2 = &const_array[3].x;
}
void fun() {
temp_fun(1);
(void) b<double>;
(void) var_host_only;
}
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