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[SYCL] Add a test for wrapped pointer kernel args #2298

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Aug 11, 2020
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[SYCL] Add a test for wrapped pointer kernel args #2298

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36 changes: 36 additions & 0 deletions clang/test/CodeGenSYCL/pointers-in-structs.cpp
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// RUN: %clang_cc1 -fsycl -fsycl-is-device -I %S/Inputs -triple spir64-unknown-unknown-sycldevice -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s

// This test checks that compiler generates correct address spaces for pointer
// kernel arguments that are wrapped by struct.

#include <sycl.hpp>

struct A {
float *F;
};

struct B {
int *F1;
float *F2;
A F3;
};

int main() {
B Obj;
cl::sycl::kernel_single_task<class structs>(
[=]() {
(void)Obj;
});
float A = 1;
float *Ptr = &A;
auto Lambda = [=]() {
*Ptr += 1;
};
cl::sycl::kernel_single_task<class lambdas>([=]() {
Lambda();
});
return 0;
}

// CHECK: define spir_kernel void @{{.*}}structs{{.*}}(i32 addrspace(1)* %_arg_F1, float addrspace(1)* %_arg_F2, float addrspace(1)* %_arg_F)
// CHECK: define spir_kernel void @{{.*}}lambdas{{.*}}(float addrspace(1)* %_arg_)