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// RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -O0 -ffake-address-space-map -cl-std=CL2.0 -emit-llvm -o - | FileCheck %s
// test that we generate address space casts everywhere we need conversions of
// pointers to different address spaces
void test(global int *arg_glob, generic int *arg_gen) {
int var_priv;
arg_gen = arg_glob; // implicit cast global -> generic
// CHECK: %{{[0-9]+}} = addrspacecast i32 addrspace(1)* %{{[0-9]+}} to i32 addrspace(4)*
arg_gen = &var_priv; // implicit cast with obtaining adr, private -> generic
// CHECK: %{{[0-9]+}} = addrspacecast i32* %var_priv to i32 addrspace(4)*
arg_glob = (global int *)arg_gen; // explicit cast
// CHECK: %{{[0-9]+}} = addrspacecast i32 addrspace(4)* %{{[0-9]+}} to i32 addrspace(1)*
global int *var_glob =
(global int *)arg_glob; // explicit cast in the same address space
// CHECK-NOT: %{{[0-9]+}} = addrspacecast i32 addrspace(1)* %{{[0-9]+}} to i32 addrspace(1)*
var_priv = arg_gen - arg_glob; // arithmetic operation
// CHECK: %{{.*}} = ptrtoint i32 addrspace(4)* %{{.*}} to i64
// CHECK: %{{.*}} = ptrtoint i32 addrspace(1)* %{{.*}} to i64
var_priv = arg_gen > arg_glob; // comparison
// CHECK: %{{[0-9]+}} = addrspacecast i32 addrspace(1)* %{{[0-9]+}} to i32 addrspace(4)*
}
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