| // RUN: %clang_cc1 -emit-llvm -triple x86_64-apple-darwin10 < %s -o - | FileCheck %s |
| // CHECK:%struct.S = type { i32, i32 } |
| // CHECK:define{{.*}} void @test_addrspace(ptr addrspace(1) noundef %p1, ptr addrspace(2) noundef %p2) [[NUW:#[0-9]+]] |
| // CHECK: [[p1addr:%.*]] = alloca ptr addrspace(1) |
| // CHECK: [[p2addr:%.*]] = alloca ptr addrspace(2) |
| // CHECK: store ptr addrspace(1) %p1, ptr [[p1addr]] |
| // CHECK: store ptr addrspace(2) %p2, ptr [[p2addr]] |
| // CHECK: [[t0:%.*]] = load ptr addrspace(2), ptr [[p2addr]], align 8 |
| // CHECK: [[t1:%.*]] = getelementptr inbounds %struct.S, ptr addrspace(2) [[t0]], i32 0, i32 1 |
| // CHECK: [[t2:%.*]] = load i32, ptr addrspace(2) [[t1]], align 4 |
| // CHECK: [[t3:%.*]] = load ptr addrspace(1), ptr [[p1addr]], align 8 |
| // CHECK: [[t4:%.*]] = getelementptr inbounds %struct.S, ptr addrspace(1) [[t3]], i32 0, i32 0 |
| // CHECK: store i32 [[t2]], ptr addrspace(1) [[t4]], align 4 |
| // CHECK: [[t5:%.*]] = load ptr addrspace(2), ptr [[p2addr]], align 8 |
| // CHECK: [[t6:%.*]] = getelementptr inbounds %struct.S, ptr addrspace(2) [[t5]], i32 0, i32 0 |
| // CHECK: [[t7:%.*]] = load i32, ptr addrspace(2) [[t6]], align 4 |
| // CHECK: [[t8:%.*]] = load ptr addrspace(1), ptr [[p1addr]], align 8 |
| // CHECK: [[t9:%.*]] = getelementptr inbounds %struct.S, ptr addrspace(1) [[t8]], i32 0, i32 1 |
| // CHECK: store i32 [[t7]], ptr addrspace(1) [[t9]], align 4 |
| // CHECK: ret void |
| // CHECK:} |
| |
| // Check that we don't lose the address space when accessing a member |
| // of a structure. |
| |
| #define __addr1 __attribute__((address_space(1))) |
| #define __addr2 __attribute__((address_space(2))) |
| |
| typedef struct S { |
| int a; |
| int b; |
| } S; |
| |
| void test_addrspace(__addr1 S* p1, __addr2 S*p2) { |
| // swap |
| p1->a = p2->b; |
| p1->b = p2->a; |
| } |
| |
| // CHECK: attributes [[NUW]] = { noinline nounwind{{.*}} } |