address-space-field1.c revision 195337d2e5d4625ae9dc1328c7cdbc7115b0261b 
1// RUN: %clang_cc1 -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:  [[p1addr:%.*]] = alloca %struct.S addrspace(1)*
5// CHECK:  [[p2addr:%.*]] = alloca %struct.S addrspace(2)*
6// CHECK:  store %struct.S addrspace(1)* %p1, %struct.S addrspace(1)** [[p1addr]]
7// CHECK:  store %struct.S addrspace(2)* %p2, %struct.S addrspace(2)** [[p2addr]]
8// CHECK:  [[t0:%.*]] = load %struct.S addrspace(2)** [[p2addr]]   ; <%struct.S addrspace(2)*> [#uses=1]
9// CHECK:  [[t1:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t0]], i32 0, i32 1 ; <i32 addrspace(2)*> [#uses=1]
10// CHECK:  [[t2:%.*]] = load i32 addrspace(2)* [[t1]]            ; <i32> [#uses=1]
11// CHECK:  [[t3:%.*]] = load %struct.S addrspace(1)** [[p1addr]]  ; <%struct.S addrspace(1)*> [#uses=1]
12// CHECK:  [[t4:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t3]], i32 0, i32 0 ; <i32 addrspace(1)*> [#uses=1]
13// CHECK:  store i32 [[t2]], i32 addrspace(1)* [[t4]]
14// CHECK:  [[t5:%.*]] = load %struct.S addrspace(2)** [[p2addr]]  ; <%struct.S addrspace(2)*> [#uses=1]
15// CHECK:  [[t6:%.*]] = getelementptr inbounds %struct.S addrspace(2)* [[t5]], i32 0, i32 0 ; <i32 addrspace(2)*> [#uses=1]
16// CHECK:  [[t7:%.*]] = load i32 addrspace(2)* [[t6]]            ; <i32> [#uses=1]
17// CHECK:  [[t8:%.*]] = load %struct.S addrspace(1)** [[p1addr]]  ; <%struct.S addrspace(1)*> [#uses=1]
18// CHECK:  [[t9:%.*]] = getelementptr inbounds %struct.S addrspace(1)* [[t8]], i32 0, i32 1 ; <i32 addrspace(1)*> [#uses=1]
19// CHECK:  store i32 [[t7]], i32 addrspace(1)* [[t9]]
20// CHECK:  ret void
21// CHECK:}
22
23// Check that we don't lose the address space when accessing a member
24// of a structure.
25
26#define __addr1    __attribute__((address_space(1)))
27#define __addr2    __attribute__((address_space(2)))
28
29typedef struct S {
30  int a;
31  int b;
32} S;
33
34void test_addrspace(__addr1 S* p1, __addr2 S*p2) {
35  // swap
36  p1->a = p2->b;
37  p1->b = p2->a;
38}
39