| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm < %s | FileCheck -check-prefixes=CHECK,X86 %s |
| 2 | // RUN: %clang_cc1 -triple amdgcn -emit-llvm < %s | FileCheck -check-prefixes=CHECK,AMDGCN %s |
| 3 | |
| 4 | // CHECK: @foo = common addrspace(1) global |
| 5 | int foo __attribute__((address_space(1))); |
| 6 | |
| 7 | // CHECK: @ban = common addrspace(1) global |
| 8 | int ban[10] __attribute__((address_space(1))); |
| 9 | |
| 10 | // CHECK: @a = common global |
| 11 | int a __attribute__((address_space(0))); |
| 12 | |
| 13 | // CHECK-LABEL: define i32 @test1() |
| 14 | // CHECK: load i32, i32 addrspace(1)* @foo |
| 15 | int test1() { return foo; } |
| 16 | |
| 17 | // CHECK-LABEL: define i32 @test2(i32 %i) |
| 18 | // CHECK: load i32, i32 addrspace(1)* |
| 19 | // CHECK-NEXT: ret i32 |
| 20 | int test2(int i) { return ban[i]; } |
| 21 | |
| 22 | // Both A and B point into addrspace(2). |
| 23 | __attribute__((address_space(2))) int *A, *B; |
| 24 | |
| 25 | // CHECK-LABEL: define void @test3() |
| 26 | // X86: load i32 addrspace(2)*, i32 addrspace(2)** @B |
| 27 | // AMDGCN: load i32 addrspace(2)*, i32 addrspace(2)** addrspacecast (i32 addrspace(2)* addrspace(1)* @B to i32 addrspace(2)**) |
| 28 | // CHECK: load i32, i32 addrspace(2)* |
| 29 | // X86: load i32 addrspace(2)*, i32 addrspace(2)** @A |
| 30 | // AMDGCN: load i32 addrspace(2)*, i32 addrspace(2)** addrspacecast (i32 addrspace(2)* addrspace(1)* @A to i32 addrspace(2)**) |
| 31 | // CHECK: store i32 {{.*}}, i32 addrspace(2)* |
| 32 | void test3() { |
| 33 | *A = *B; |
| 34 | } |
| 35 | |
| 36 | // PR7437 |
| 37 | typedef struct { |
| 38 | float aData[1]; |
| 39 | } MyStruct; |
| 40 | |
| 41 | // CHECK-LABEL: define void @test4( |
| 42 | // CHECK: call void @llvm.memcpy.p0i8.p2i8 |
| 43 | // CHECK: call void @llvm.memcpy.p2i8.p0i8 |
| 44 | void test4(MyStruct __attribute__((address_space(2))) *pPtr) { |
| 45 | MyStruct s = pPtr[0]; |
| 46 | pPtr[0] = s; |
| 47 | } |
| 48 | |