| // RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -O0 -ffake-address-space-map -cl-std=CL2.0 -emit-llvm -o - | FileCheck %s |
| // RUN: %clang_cc1 %s -triple x86_64-unknown-linux-gnu -O0 -cl-std=CL2.0 -emit-llvm -o - | FileCheck --check-prefix=CHECK-NOFAKE %s |
| // When -ffake-address-space-map is not used, all addr space mapped to 0 for x86_64. |
| |
| // test that we generate address space casts everywhere we need conversions of |
| // pointers to different address spaces |
| |
| // CHECK: define void @test |
| 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)* |
| // CHECK-NOFAKE-NOT: addrspacecast |
| |
| arg_gen = &var_priv; // implicit cast with obtaining adr, private -> generic |
| // CHECK: %{{[._a-z0-9]+}} = addrspacecast i32* %{{[._a-z0-9]+}} to i32 addrspace(4)* |
| // CHECK-NOFAKE-NOT: addrspacecast |
| |
| arg_glob = (global int *)arg_gen; // explicit cast |
| // CHECK: %{{[0-9]+}} = addrspacecast i32 addrspace(4)* %{{[0-9]+}} to i32 addrspace(1)* |
| // CHECK-NOFAKE-NOT: addrspacecast |
| |
| 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)* |
| // CHECK-NOFAKE-NOT: addrspacecast |
| |
| var_priv = arg_gen - arg_glob; // arithmetic operation |
| // CHECK: %{{.*}} = ptrtoint i32 addrspace(4)* %{{.*}} to i64 |
| // CHECK: %{{.*}} = ptrtoint i32 addrspace(1)* %{{.*}} to i64 |
| // CHECK-NOFAKE: %{{.*}} = ptrtoint i32* %{{.*}} to i64 |
| // CHECK-NOFAKE: %{{.*}} = ptrtoint i32* %{{.*}} to i64 |
| |
| var_priv = arg_gen > arg_glob; // comparison |
| // CHECK: %{{[0-9]+}} = addrspacecast i32 addrspace(1)* %{{[0-9]+}} to i32 addrspace(4)* |
| |
| generic void *var_gen_v = arg_glob; |
| // CHECK: addrspacecast |
| // CHECK-NOT: bitcast |
| // CHECK-NOFAKE: bitcast |
| // CHECK-NOFAKE-NOT: addrspacecast |
| } |
| |
| // Test ternary operator. |
| // CHECK: define void @test_ternary |
| void test_ternary(void) { |
| global int *var_glob; |
| generic int *var_gen; |
| generic int *var_gen2; |
| generic float *var_gen_f; |
| generic void *var_gen_v; |
| |
| var_gen = var_gen ? var_gen : var_gen2; // operands of the same addr spaces and the same type |
| // CHECK: icmp |
| // CHECK-NOT: addrspacecast |
| // CHECK-NOT: bitcast |
| // CHECK: phi |
| // CHECK: store i32 addrspace(4)* %{{.+}}, i32 addrspace(4)** %{{.+}} |
| |
| var_gen = var_gen ? var_gen : var_glob; // operands of overlapping addr spaces and the same type |
| // CHECK: icmp |
| // CHECK-NOT: bitcast |
| // CHECK: %{{.+}} = addrspacecast i32 addrspace(1)* %{{.+}} to i32 addrspace(4)* |
| // CHECK: phi |
| // CHECK: store |
| |
| typedef int int_t; |
| global int_t *var_glob_typedef; |
| var_gen = var_gen ? var_gen : var_glob_typedef; // operands of overlapping addr spaces and equivalent types |
| // CHECK: icmp |
| // CHECK-NOT: bitcast |
| // CHECK: %{{.+}} = addrspacecast i32 addrspace(1)* %{{.+}} to i32 addrspace(4)* |
| // CHECK: phi |
| // CHECK: store |
| |
| var_gen_v = var_gen ? var_gen : var_gen_f; // operands of the same addr space and different types |
| // CHECK: icmp |
| // CHECK: %{{.+}} = bitcast i32 addrspace(4)* %{{.+}} to i8 addrspace(4)* |
| // CHECK: %{{.+}} = bitcast float addrspace(4)* %{{.+}} to i8 addrspace(4)* |
| // CHECK: phi |
| // CHECK: store |
| |
| var_gen_v = var_gen ? var_glob : var_gen_f; // operands of overlapping addr spaces and different types |
| // CHECK: icmp |
| // CHECK: %{{.+}} = addrspacecast i32 addrspace(1)* %{{.+}} to i8 addrspace(4)* |
| // CHECK: %{{.+}} = bitcast float addrspace(4)* %{{.+}} to i8 addrspace(4)* |
| // CHECK: phi |
| // CHECK: store |
| } |