File: functionptr-addrspace.cpp

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// RUN: %clang_cc1 -fsycl-is-device -triple spir64 -verify -emit-llvm %s -o - | FileCheck %s

// expected-no-diagnostics

template <typename Name, typename Func>
__attribute__((sycl_kernel)) void kernel_single_task(const Func &kernelFunc) {
  kernelFunc();
}

// CHECK: define dso_local spir_func{{.*}}invoke_function{{.*}}(ptr noundef %fptr, ptr addrspace(4) noundef %ptr)
void invoke_function(int (*fptr)(), int *ptr) {}

int f() { return 0; }

int main() {
  kernel_single_task<class fake_kernel>([=]() {
    int (*p)() = f;
    int (&r)() = *p;
    int a = 10;
    invoke_function(p, &a);
    invoke_function(r, &a);
    invoke_function(f, &a);
  });
  return 0;
}