clang/test/OpenMP/taskgraph_codegen.cpp

// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --functions "main" --prefix-filecheck-ir-name _

// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=60 -x c++ -triple x86_64-unknown-unknown -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
// RUN: %clang_cc1 -fopenmp -fopenmp-version=60 -x c++ -std=c++11 -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -emit-pch -o %t %s
// RUN: %clang_cc1 -fopenmp -fopenmp-version=60 -x c++ -triple x86_64-unknown-unknown -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
// expected-no-diagnostics

#ifndef HEADER
#define HEADER

// CHECK-LABEL: @main(
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[RETVAL:%.*]] = alloca i32, align 4
// CHECK-NEXT:    [[X:%.*]] = alloca i32, align 4
// CHECK-NEXT:    [[Y:%.*]] = alloca i32, align 4
// CHECK-NEXT:    [[AGG_CAPTURED:%.*]] = alloca [[STRUCT_ANON:%.*]], align 8
// CHECK-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_global_thread_num(ptr @[[GLOB1:[0-9]+]])
// CHECK-NEXT:    store i32 0, ptr [[RETVAL]], align 4
// CHECK-NEXT:    store i32 0, ptr [[X]], align 4
// CHECK-NEXT:    store i32 0, ptr [[Y]], align 4
// CHECK-NEXT:    [[TMP1:%.*]] = getelementptr inbounds nuw [[STRUCT_ANON]], ptr [[AGG_CAPTURED]], i32 0, i32 0
// CHECK-NEXT:    store ptr [[X]], ptr [[TMP1]], align 8
// CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds nuw [[STRUCT_ANON]], ptr [[AGG_CAPTURED]], i32 0, i32 1
// CHECK-NEXT:    store ptr [[Y]], ptr [[TMP2]], align 8
// CHECK-NEXT:    call void @__kmpc_taskgraph(ptr @[[GLOB1]], i32 [[TMP0]], ptr @.omp.taskgraph.handle, i64 0, i32 0, i32 0, ptr @taskgraph.omp_outlined., ptr [[AGG_CAPTURED]])
// CHECK-NEXT:    ret i32 0
//
int main() {
  int x = 0, y = 0;

#pragma omp taskgraph
  {
#pragma omp task depend(in: x) depend(out: y)
    {
      y = x;
    }
#pragma omp task depend(inout: x, y)
    {
      x++;
      y++;
    }
  }

  return 0;
}

#endif