nvptx_allocate_codegen.cpp
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// RUN: %clang_cc1 -verify -fopenmp -triple x86_64-apple-darwin10.6.0 -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc -o %t-host.bc %s
// RUN: %clang_cc1 -verify -fopenmp -triple nvptx64-nvidia-cuda -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-host.bc -o - -disable-llvm-optzns | FileCheck %s
// expected-no-diagnostics
#ifndef HEADER
#define HEADER
#pragma omp declare target
typedef void **omp_allocator_handle_t;
extern const omp_allocator_handle_t omp_null_allocator;
extern const omp_allocator_handle_t omp_default_mem_alloc;
extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
extern const omp_allocator_handle_t omp_const_mem_alloc;
extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
extern const omp_allocator_handle_t omp_pteam_mem_alloc;
extern const omp_allocator_handle_t omp_thread_mem_alloc;
// CHECK-DAG: @{{.+}}St1{{.+}}b{{.+}} = external global i32,
// CHECK-DAG: @a ={{ hidden | }}global i32 0,
// CHECK-DAG: @b ={{ hidden | }}addrspace(4) global i32 0,
// CHECK-DAG: @c ={{ hidden | }}global i32 0,
// CHECK-DAG: @d ={{ hidden | }}global %struct.St1 zeroinitializer,
// CHECK-DAG: @{{.+}}ns{{.+}}a{{.+}} ={{ hidden | }}addrspace(3) global i32 0,
// CHECK-DAG: @{{.+}}main{{.+}}a{{.*}} = internal global i32 0,
// CHECK-DAG: @{{.+}}ST{{.+}}m{{.+}} = external global i32,
// CHECK-DAG: @bar_c = internal global i32 0,
// CHECK-DAG: @bar_b = internal addrspace(3) global double 0.000000e+00,
struct St{
int a;
};
struct St1{
int a;
static int b;
#pragma omp allocate(b) allocator(omp_default_mem_alloc)
} d;
int a, b, c;
#pragma omp allocate(a) allocator(omp_large_cap_mem_alloc)
#pragma omp allocate(b) allocator(omp_const_mem_alloc)
#pragma omp allocate(d, c) allocator(omp_high_bw_mem_alloc)
template <class T>
struct ST {
static T m;
#pragma omp allocate(m) allocator(omp_low_lat_mem_alloc)
};
template <class T> T foo() {
T v;
#pragma omp allocate(v) allocator(omp_cgroup_mem_alloc)
v = ST<T>::m;
return v;
}
namespace ns{
int a;
}
#pragma omp allocate(ns::a) allocator(omp_pteam_mem_alloc)
// CHECK-LABEL: @main
int main () {
// CHECK: alloca double,
static int a;
#pragma omp allocate(a) allocator(omp_thread_mem_alloc)
a=2;
double b = 3;
float c;
#pragma omp allocate(b) allocator(omp_default_mem_alloc)
#pragma omp allocate(c) allocator(omp_cgroup_mem_alloc)
return (foo<int>());
}
// CHECK: define {{.*}}i32 @{{.+}}foo{{.+}}()
// CHECK-NOT: alloca i32,
extern template int ST<int>::m;
void baz(float &);
// CHECK: define{{ hidden | }}void @{{.+}}bar{{.+}}()
void bar() {
// CHECK: alloca float,
float bar_a;
// CHECK: alloca double,
double bar_b;
int bar_c;
#pragma omp allocate(bar_c) allocator(omp_cgroup_mem_alloc)
// CHECK: call void [[OUTLINED:@.+]](i32* %{{.+}}, i32* %{{.+}})
#pragma omp parallel private(bar_a, bar_b) allocate(omp_thread_mem_alloc \
: bar_a) allocate(omp_pteam_mem_alloc \
: bar_b)
{
bar_b = bar_a;
baz(bar_a);
}
// CHECK: define internal void [[OUTLINED]](i32* noalias %{{.+}}, i32* noalias %{{.+}})
// CHECK-NOT: alloca double,
// CHECK: alloca float,
// CHECK-NOT: alloca double,
// CHECK: load float, float* %
// CHECK: store double {{.+}}, double* addrspacecast (double addrspace(3)* @bar_b to double*),
}
#pragma omp end declare target
#endif