address-space-field1.c revision a67810e1c1102b7e1e9d6783be24941950949689 
1// RUN: clang-cc -emit-llvm < %s -o - | FileCheck %s
2// CHECK:%struct.S = type { i32, i32 }
3// CHECK:define void @test_addrspace(%struct.S addrspace(1)* %p1, %struct.S addrspace(2)* %p2) nounwind {
4// CHECK:entry:
5// CHECK:  %p1.addr = alloca %struct.S addrspace(1)*       ; <%struct.S addrspace(1)**> [#uses=3]
6// CHECK:  %p2.addr = alloca %struct.S addrspace(2)*       ; <%struct.S addrspace(2)**> [#uses=3]
7// CHECK:  store %struct.S addrspace(1)* %p1, %struct.S addrspace(1)** %p1.addr
8// CHECK:  store %struct.S addrspace(2)* %p2, %struct.S addrspace(2)** %p2.addr
9// CHECK:  %tmp = load %struct.S addrspace(2)** %p2.addr   ; <%struct.S addrspace(2)*> [#uses=1]
10// CHECK:  %tmp1 = getelementptr inbounds %struct.S addrspace(2)* %tmp, i32 0, i32 1 ; <i32 addrspace(2)*> [#uses=1]
11// CHECK:  %tmp2 = load i32 addrspace(2)* %tmp1            ; <i32> [#uses=1]
12// CHECK:  %tmp3 = load %struct.S addrspace(1)** %p1.addr  ; <%struct.S addrspace(1)*> [#uses=1]
13// CHECK:  %tmp4 = getelementptr inbounds %struct.S addrspace(1)* %tmp3, i32 0, i32 0 ; <i32 addrspace(1)*> [#uses=1]
14// CHECK:  store i32 %tmp2, i32 addrspace(1)* %tmp4
15// CHECK:  %tmp5 = load %struct.S addrspace(2)** %p2.addr  ; <%struct.S addrspace(2)*> [#uses=1]
16// CHECK:  %tmp6 = getelementptr inbounds %struct.S addrspace(2)* %tmp5, i32 0, i32 0 ; <i32 addrspace(2)*> [#uses=1]
17// CHECK:  %tmp7 = load i32 addrspace(2)* %tmp6            ; <i32> [#uses=1]
18// CHECK:  %tmp8 = load %struct.S addrspace(1)** %p1.addr  ; <%struct.S addrspace(1)*> [#uses=1]
19// CHECK:  %tmp9 = getelementptr inbounds %struct.S addrspace(1)* %tmp8, i32 0, i32 1 ; <i32 addrspace(1)*> [#uses=1]
20// CHECK:  store i32 %tmp7, i32 addrspace(1)* %tmp9
21// CHECK:  ret void
22// CHECK:}
23
24// Check that we don't lose the address space when accessing a member
25// of a structure.
26
27#define __addr1    __attribute__((address_space(1)))
28#define __addr2    __attribute__((address_space(2)))
29
30typedef struct S {
31  int a;
32  int b;
33} S;
34
35void test_addrspace(__addr1 S* p1, __addr2 S*p2) {
36  // swap
37  p1->a = p2->b;
38  p1->b = p2->a;
39}
40