xref: /aosp_15_r20/external/clang/test/CodeGen/address-space.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm < %s | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li // CHECK: @foo = common addrspace(1) global
4*67e74705SXin Li int foo __attribute__((address_space(1)));
5*67e74705SXin Li 
6*67e74705SXin Li // CHECK: @ban = common addrspace(1) global
7*67e74705SXin Li int ban[10] __attribute__((address_space(1)));
8*67e74705SXin Li 
9*67e74705SXin Li // CHECK-LABEL: define i32 @test1()
10*67e74705SXin Li // CHECK: load i32, i32 addrspace(1)* @foo
test1()11*67e74705SXin Li int test1() { return foo; }
12*67e74705SXin Li 
13*67e74705SXin Li // CHECK-LABEL: define i32 @test2(i32 %i)
14*67e74705SXin Li // CHECK: load i32, i32 addrspace(1)*
15*67e74705SXin Li // CHECK-NEXT: ret i32
test2(int i)16*67e74705SXin Li int test2(int i) { return ban[i]; }
17*67e74705SXin Li 
18*67e74705SXin Li // Both A and B point into addrspace(2).
19*67e74705SXin Li __attribute__((address_space(2))) int *A, *B;
20*67e74705SXin Li 
21*67e74705SXin Li // CHECK-LABEL: define void @test3()
22*67e74705SXin Li // CHECK: load i32 addrspace(2)*, i32 addrspace(2)** @B
23*67e74705SXin Li // CHECK: load i32, i32 addrspace(2)*
24*67e74705SXin Li // CHECK: load i32 addrspace(2)*, i32 addrspace(2)** @A
25*67e74705SXin Li // CHECK: store i32 {{.*}}, i32 addrspace(2)*
test3()26*67e74705SXin Li void test3() {
27*67e74705SXin Li   *A = *B;
28*67e74705SXin Li }
29*67e74705SXin Li 
30*67e74705SXin Li // PR7437
31*67e74705SXin Li typedef struct {
32*67e74705SXin Li   float aData[1];
33*67e74705SXin Li } MyStruct;
34*67e74705SXin Li 
35*67e74705SXin Li // CHECK-LABEL: define void @test4(
36*67e74705SXin Li // CHECK: call void @llvm.memcpy.p0i8.p2i8
37*67e74705SXin Li // CHECK: call void @llvm.memcpy.p2i8.p0i8
test4(MyStruct * pPtr)38*67e74705SXin Li void test4(MyStruct __attribute__((address_space(2))) *pPtr) {
39*67e74705SXin Li   MyStruct s = pPtr[0];
40*67e74705SXin Li   pPtr[0] = s;
41*67e74705SXin Li }
42