clang/test/OpenMP/copy-gaps-5.cpp

// RUN: %clang_cc1 -verify -triple x86_64-pc-linux-gnu -fopenmp-targets=amdgcn-amd-amdhsa -fopenmp -emit-llvm %s -o - | FileCheck %s
// expected-no-diagnostics

template<typename C>
struct S {
  C x;
  C y;
  char z; // Hidden padding after here...
};

template<typename C>
struct T : public S<C> {
  C a;
  C b;
  C c;
};

int main() {
  T<int> v;

#pragma omp target map(tofrom: v, v.y, v.z, v.a)
  {
    v.y++;
    v.z += 2;
    v.a += 3;
  }

  return 0;
}

// CHECK: [[CSTSZ:@.+]] = private {{.*}}constant [8 x i64] [i64 0, i64 0, i64 0, i64 0, i64 4, i64 1, i64 4, i64 0]
// CHECK: [[CSTTY:@.+]] = private {{.*}}constant [8 x i64] [i64 [[#0x20]], i64 [[#0x1000000000003]], i64 [[#0x1000000000003]], i64 [[#0x1000000000003]], i64 [[#0x1000000000003]], i64 [[#0x1000000000003]], i64 [[#0x1000000000003]], i64 288]

// CHECK-DAG: call i32 @__tgt_target_kernel(ptr @{{.+}}, i64 -1, i32 -1, i32 0, ptr @.{{.+}}.region_id, ptr [[ARGS:%.+]])
// CHECK-DAG: [[KSIZE:%.+]] = getelementptr inbounds {{.+}}[[ARGS]], i32 0, i32 4
// CHECK-DAG: store ptr [[SZBASE:%.+]], ptr [[KSIZE]], align 8
// CHECK-DAG: [[SZBASE]] = getelementptr inbounds [8 x i64], ptr [[SIZES:%[^,]*]], i32 0, i32 0

// Fill four non-constant size elements here: the whole struct size, the region
// covering v.x, the region covering padding after v.z and the region covering
// v.b and v.c.

// CHECK-DAG: [[STR:%.+]] = getelementptr inbounds [8 x i64], ptr [[SIZES]], i32 0, i32 0
// CHECK-DAG: store i64 %{{.+}}, ptr [[STR]], align 8
// CHECK-DAG: [[X:%.+]] = getelementptr inbounds [8 x i64], ptr [[SIZES]], i32 0, i32 1
// CHECK-DAG: store i64 %{{.+}}, ptr [[X]], align 8
// CHECK-DAG: [[PAD:%.+]] = getelementptr inbounds [8 x i64], ptr [[SIZES]], i32 0, i32 2
// CHECK-DAG: store i64 %{{.+}}, ptr [[PAD]], align 8
// CHECK-DAG: [[BC:%.+]] = getelementptr inbounds [8 x i64], ptr [[SIZES]], i32 0, i32 3
// CHECK-DAG: store i64 %{{.+}}, ptr [[BC]], align 8