test/OpenMP/nvptx_data_sharing.cpp

// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --include-generated-funcs --replace-value-regex "__omp_offloading_[0-9a-z]+_[0-9a-z]+" "reduction_size[.].+[.]" "pl_cond[.].+[.|,]" --prefix-filecheck-ir-name _
// Test device global memory data sharing codegen.
///==========================================================================///

// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple nvptx64-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-target-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - -disable-llvm-optzns | FileCheck %s --check-prefix=CHECK

// expected-no-diagnostics

#ifndef HEADER
#define HEADER

void test_ds(){
  #pragma omp target
  {
    int a = 10;
    #pragma omp parallel
    {
      a = 1000;
    }
    int b = 100;
    int c = 1000;
    #pragma omp parallel private(c)
    {
      int *c1 = &c;
      b = a + 10000;
    }
  }
}

#endif

// CHECK-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14
// CHECK-SAME: (ptr noalias noundef [[DYN_PTR:%.*]]) #[[ATTR0:[0-9]+]] {
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[DYN_PTR_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[CAPTURED_VARS_ADDRS:%.*]] = alloca [1 x ptr], align 8
// CHECK-NEXT:    [[C:%.*]] = alloca i32, align 4
// CHECK-NEXT:    [[CAPTURED_VARS_ADDRS1:%.*]] = alloca [2 x ptr], align 8
// CHECK-NEXT:    store ptr [[DYN_PTR]], ptr [[DYN_PTR_ADDR]], align 8
// CHECK-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_target_init(ptr @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_kernel_environment, ptr [[DYN_PTR]])
// CHECK-NEXT:    [[EXEC_USER_CODE:%.*]] = icmp eq i32 [[TMP0]], -1
// CHECK-NEXT:    br i1 [[EXEC_USER_CODE]], label [[USER_CODE_ENTRY:%.*]], label [[WORKER_EXIT:%.*]]
// CHECK:       user_code.entry:
// CHECK-NEXT:    [[A:%.*]] = call align 8 ptr @__kmpc_alloc_shared(i64 4)
// CHECK-NEXT:    [[B:%.*]] = call align 8 ptr @__kmpc_alloc_shared(i64 4)
// CHECK-NEXT:    [[TMP1:%.*]] = call i32 @__kmpc_global_thread_num(ptr @[[GLOB1:[0-9]+]])
// CHECK-NEXT:    store i32 10, ptr [[A]], align 4
// CHECK-NEXT:    [[TMP2:%.*]] = getelementptr inbounds [1 x ptr], ptr [[CAPTURED_VARS_ADDRS]], i64 0, i64 0
// CHECK-NEXT:    store ptr [[A]], ptr [[TMP2]], align 8
// CHECK-NEXT:    call void @__kmpc_parallel_51(ptr @[[GLOB1]], i32 [[TMP1]], i32 1, i32 -1, i32 -1, ptr @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined, ptr @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined_wrapper, ptr [[CAPTURED_VARS_ADDRS]], i64 1)
// CHECK-NEXT:    store i32 100, ptr [[B]], align 4
// CHECK-NEXT:    store i32 1000, ptr [[C]], align 4
// CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds [2 x ptr], ptr [[CAPTURED_VARS_ADDRS1]], i64 0, i64 0
// CHECK-NEXT:    store ptr [[B]], ptr [[TMP3]], align 8
// CHECK-NEXT:    [[TMP4:%.*]] = getelementptr inbounds [2 x ptr], ptr [[CAPTURED_VARS_ADDRS1]], i64 0, i64 1
// CHECK-NEXT:    store ptr [[A]], ptr [[TMP4]], align 8
// CHECK-NEXT:    call void @__kmpc_parallel_51(ptr @[[GLOB1]], i32 [[TMP1]], i32 1, i32 -1, i32 -1, ptr @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined1, ptr @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined1_wrapper, ptr [[CAPTURED_VARS_ADDRS1]], i64 2)
// CHECK-NEXT:    call void @__kmpc_free_shared(ptr [[B]], i64 4)
// CHECK-NEXT:    call void @__kmpc_free_shared(ptr [[A]], i64 4)
// CHECK-NEXT:    call void @__kmpc_target_deinit()
// CHECK-NEXT:    ret void
// CHECK:       worker.exit:
// CHECK-NEXT:    ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined
// CHECK-SAME: (ptr noalias noundef [[DOTGLOBAL_TID_:%.*]], ptr noalias noundef [[DOTBOUND_TID_:%.*]], ptr noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR2:[0-9]+]] {
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[A_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    store ptr [[DOTGLOBAL_TID_]], ptr [[DOTGLOBAL_TID__ADDR]], align 8
// CHECK-NEXT:    store ptr [[DOTBOUND_TID_]], ptr [[DOTBOUND_TID__ADDR]], align 8
// CHECK-NEXT:    store ptr [[A]], ptr [[A_ADDR]], align 8
// CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8
// CHECK-NEXT:    store i32 1000, ptr [[TMP0]], align 4
// CHECK-NEXT:    ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined_wrapper
// CHECK-SAME: (i16 noundef zeroext [[TMP0:%.*]], i32 noundef [[TMP1:%.*]]) #[[ATTR3:[0-9]+]] {
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[DOTADDR:%.*]] = alloca i16, align 2
// CHECK-NEXT:    [[DOTADDR1:%.*]] = alloca i32, align 4
// CHECK-NEXT:    [[DOTZERO_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT:    [[GLOBAL_ARGS:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    store i16 [[TMP0]], ptr [[DOTADDR]], align 2
// CHECK-NEXT:    store i32 [[TMP1]], ptr [[DOTADDR1]], align 4
// CHECK-NEXT:    store i32 0, ptr [[DOTZERO_ADDR]], align 4
// CHECK-NEXT:    call void @__kmpc_get_shared_variables(ptr [[GLOBAL_ARGS]])
// CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[GLOBAL_ARGS]], align 8
// CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds ptr, ptr [[TMP2]], i64 0
// CHECK-NEXT:    [[TMP4:%.*]] = load ptr, ptr [[TMP3]], align 8
// CHECK-NEXT:    call void @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined(ptr [[DOTADDR1]], ptr [[DOTZERO_ADDR]], ptr [[TMP4]]) #[[ATTR4:[0-9]+]]
// CHECK-NEXT:    ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined1
// CHECK-SAME: (ptr noalias noundef [[DOTGLOBAL_TID_:%.*]], ptr noalias noundef [[DOTBOUND_TID_:%.*]], ptr noundef nonnull align 4 dereferenceable(4) [[B:%.*]], ptr noundef nonnull align 4 dereferenceable(4) [[A:%.*]]) #[[ATTR2]] {
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[DOTGLOBAL_TID__ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[DOTBOUND_TID__ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[B_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[A_ADDR:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    [[C:%.*]] = alloca i32, align 4
// CHECK-NEXT:    [[C1:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    store ptr [[DOTGLOBAL_TID_]], ptr [[DOTGLOBAL_TID__ADDR]], align 8
// CHECK-NEXT:    store ptr [[DOTBOUND_TID_]], ptr [[DOTBOUND_TID__ADDR]], align 8
// CHECK-NEXT:    store ptr [[B]], ptr [[B_ADDR]], align 8
// CHECK-NEXT:    store ptr [[A]], ptr [[A_ADDR]], align 8
// CHECK-NEXT:    [[TMP0:%.*]] = load ptr, ptr [[B_ADDR]], align 8
// CHECK-NEXT:    [[TMP1:%.*]] = load ptr, ptr [[A_ADDR]], align 8
// CHECK-NEXT:    store ptr [[C]], ptr [[C1]], align 8
// CHECK-NEXT:    [[TMP2:%.*]] = load i32, ptr [[TMP1]], align 4
// CHECK-NEXT:    [[ADD:%.*]] = add nsw i32 [[TMP2]], 10000
// CHECK-NEXT:    store i32 [[ADD]], ptr [[TMP0]], align 4
// CHECK-NEXT:    ret void
//
//
// CHECK-LABEL: define {{[^@]+}}@{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined1_wrapper
// CHECK-SAME: (i16 noundef zeroext [[TMP0:%.*]], i32 noundef [[TMP1:%.*]]) #[[ATTR3]] {
// CHECK-NEXT:  entry:
// CHECK-NEXT:    [[DOTADDR:%.*]] = alloca i16, align 2
// CHECK-NEXT:    [[DOTADDR1:%.*]] = alloca i32, align 4
// CHECK-NEXT:    [[DOTZERO_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT:    [[GLOBAL_ARGS:%.*]] = alloca ptr, align 8
// CHECK-NEXT:    store i16 [[TMP0]], ptr [[DOTADDR]], align 2
// CHECK-NEXT:    store i32 [[TMP1]], ptr [[DOTADDR1]], align 4
// CHECK-NEXT:    store i32 0, ptr [[DOTZERO_ADDR]], align 4
// CHECK-NEXT:    call void @__kmpc_get_shared_variables(ptr [[GLOBAL_ARGS]])
// CHECK-NEXT:    [[TMP2:%.*]] = load ptr, ptr [[GLOBAL_ARGS]], align 8
// CHECK-NEXT:    [[TMP3:%.*]] = getelementptr inbounds ptr, ptr [[TMP2]], i64 0
// CHECK-NEXT:    [[TMP4:%.*]] = load ptr, ptr [[TMP3]], align 8
// CHECK-NEXT:    [[TMP5:%.*]] = getelementptr inbounds ptr, ptr [[TMP2]], i64 1
// CHECK-NEXT:    [[TMP6:%.*]] = load ptr, ptr [[TMP5]], align 8
// CHECK-NEXT:    call void @{{__omp_offloading_[0-9a-z]+_[0-9a-z]+}}__Z7test_dsv_l14_omp_outlined1(ptr [[DOTADDR1]], ptr [[DOTZERO_ADDR]], ptr [[TMP4]], ptr [[TMP6]]) #[[ATTR4]]
// CHECK-NEXT:    ret void
//