| // 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)* |
| } |