clang/test/OpenMP/metadirective_device_kind_codegen.c

// RUN: %clang_cc1 -verify -fopenmp -x c -triple x86_64-unknown-linux -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -verify -fopenmp -x c -triple aarch64-unknown-linux -emit-llvm %s -o - | FileCheck %s
// RUN: %clang_cc1 -verify -fopenmp -x c -triple ppc64le-unknown-linux -emit-llvm %s -o - | FileCheck %s
// expected-no-diagnostics
#ifndef HEADER
#define HEADER

void bar();

void foo() {
#pragma omp metadirective when(device = {kind(any)} \
                               : parallel)
  bar();
#pragma omp metadirective when(device = {kind(host, cpu)} \
                               : parallel for num_threads(4))
  for (int i = 0; i < 100; i++)
    ;
#pragma omp metadirective when(device = {kind(host)} \
                               : parallel for)
  for (int i = 0; i < 100; i++)
    ;
#pragma omp metadirective when(device = {kind(nohost, gpu)} \
                               :) when(device = {kind(cpu)} \
                                       : parallel)
  bar();
#pragma omp metadirective when(device = {kind(any, cpu)} \
                               : parallel)
  bar();
#pragma omp metadirective when(device = {kind(any, host)} \
                               : parallel)
  bar();
#pragma omp metadirective when(device = {kind(gpu)} \
                               : target parallel for) default(parallel for)
  for (int i = 0; i < 100; i++)
    ;
}

// CHECK-LABEL: define {{.+}} void @foo()
// CHECK: @__kmpc_fork_call(%struct.ident_t* {{.+}}, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* [[OUTLINED_1:@.+]] to void
// CHECK-NEXT: @__kmpc_push_num_threads
// CHECK: @__kmpc_fork_call(%struct.ident_t* {{.+}}, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* [[OUTLINED_2:@.+]] to void
// CHECK: @__kmpc_fork_call(%struct.ident_t* {{.+}}, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* [[OUTLINED_3:@.+]] to void
// CHECK: @__kmpc_fork_call(%struct.ident_t* {{.+}}, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* [[OUTLINED_4:@.+]] to void
// CHECK: @__kmpc_fork_call(%struct.ident_t* {{.+}}, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* [[OUTLINED_5:@.+]] to void
// CHECK: @__kmpc_fork_call(%struct.ident_t* {{.+}}, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* [[OUTLINED_6:@.+]] to void
// CHECK: @__kmpc_fork_call(%struct.ident_t* {{.+}}, i32 0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* [[OUTLINED_7:@.+]] to void
// CHECK: ret void

// CHECK: define internal void [[OUTLINED_1]](
// CHECK: call void {{.+}} @bar
// CHECK: ret void

// CHECK: define internal void [[OUTLINED_2]](
// CHECK: call void @__kmpc_for_static_init
// CHECK: call void @__kmpc_for_static_fini
// CHECK: ret void

// CHECK: define internal void [[OUTLINED_3]](
// CHECK: call void @__kmpc_for_static_init
// CHECK: call void @__kmpc_for_static_fini
// CHECK: ret void

// CHECK: define internal void [[OUTLINED_4]](
// CHECK: call void {{.+}} @bar
// CHECK: ret void

// CHECK: define internal void [[OUTLINED_5]](
// CHECK: call void {{.+}} @bar
// CHECK: ret void

// CHECK: define internal void [[OUTLINED_6]](
// CHECK: call void {{.+}} @bar
// CHECK: ret void

// CHECK: define internal void [[OUTLINED_7]](
// CHECK: call void @__kmpc_for_static_init
// CHECK: call void @__kmpc_for_static_fini
// CHECK: ret void

#endif