forked from OSchip/llvm-project
107 lines
3.4 KiB
Plaintext
107 lines
3.4 KiB
Plaintext
// 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, i8* getelementptr {{.*}} @_ZL13constexpr_str.const
|
|
// CHECK: store i32 4
|
|
// CHECK: store i32 5
|
|
// CHECK: store i32 6
|
|
// CHECK: load i8, i8* getelementptr {{.*}} @_ZL9const_str
|
|
// CHECK: store i32* {{.*}}@_ZL13constexpr_var
|
|
// CHECK: store i32* getelementptr {{.*}} @_ZL16constexpr_struct
|
|
// CHECK: store i32* getelementptr {{.*}} @_ZL15constexpr_array
|
|
// CHECK: store i32* {{.*}}@_ZL9const_var
|
|
// CHECK: store i32* getelementptr {{.*}} @_ZL12const_struct
|
|
// CHECK: store i32* 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;
|
|
}
|