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// RUN: %clang_cc1 -no-opaque-pointers %s -triple x86_64-unknown-linux-gnu -O0 -ffake-address-space-map -cl-std=CL2.0 -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers %s -triple x86_64-unknown-linux-gnu -O0 -ffake-address-space-map -cl-std=CL3.0 -cl-ext=+__opencl_c_generic_address_space -emit-llvm -o - | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers %s -triple x86_64-unknown-linux-gnu -O0 -cl-std=CL2.0 -emit-llvm -o - | FileCheck --check-prefix=CHECK-NOFAKE %s
// RUN: %clang_cc1 -no-opaque-pointers %s -triple x86_64-unknown-linux-gnu -O0 -cl-std=CL3.0 -cl-ext=+__opencl_c_generic_address_space -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,
__attribute__((opencl_global_device)) int *arg_device,
__attribute__((opencl_global_host)) int *arg_host) {
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
arg_glob = arg_device; // implicit cast
// CHECK: addrspacecast
// CHECK-NOFAKE-NOT: addrspacecast
arg_glob = arg_host; // implicit cast
// CHECK: addrspacecast
// CHECK-NOFAKE-NOT: addrspacecast
arg_glob = (global int *)arg_device; // explicit cast
// CHECK: addrspacecast
// CHECK-NOFAKE-NOT: addrspacecast
arg_glob = (global int *)arg_host; // explicit cast
// CHECK: addrspacecast
// CHECK-NOFAKE-NOT: addrspacecast
arg_device = (__attribute((opencl_global_device)) int *)arg_glob; // explicit cast
// CHECK: addrspacecast
// CHECK-NOFAKE-NOT: addrspacecast
arg_host = (__attribute((opencl_global_host)) int *)arg_glob; // explicit cast
// CHECK: addrspacecast
// 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
}
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