1 // RUN: %clang_cc1 -triple amdgcn -emit-llvm < %s | FileCheck -check-prefixes=PIZ,COM %s
2 // RUN: %clang_cc1 -triple amdgcn---amdgiz -emit-llvm < %s | FileCheck -check-prefixes=CHECK,COM %s
3 
4 // PIZ-DAG: @foo = common addrspace(4) global i32 0
5 // CHECK-DAG: @foo = common global i32 0
6 int foo;
7 
8 // PIZ-DAG: @ban = common addrspace(4) global [10 x i32] zeroinitializer
9 // CHECK-DAG: @ban = common global [10 x i32] zeroinitializer
10 int ban[10];
11 
12 // PIZ-DAG: @A = common addrspace(4) global i32 addrspace(4)* null
13 // PIZ-DAG: @B = common addrspace(4) global i32 addrspace(4)* null
14 // CHECK-DAG: @A = common global i32* null
15 // CHECK-DAG: @B = common global i32* null
16 int *A;
17 int *B;
18 
19 // COM-LABEL: define i32 @test1()
20 // PIZ: load i32, i32 addrspace(4)* @foo
21 // CHECK: load i32, i32* @foo
22 int test1() { return foo; }
23 
24 // COM-LABEL: define i32 @test2(i32 %i)
25 // PIZ: load i32, i32 addrspace(4)*
26 // PIZ-NEXT: ret i32
27 // CHECK: load i32, i32*
28 // CHECK-NEXT: ret i32
29 int test2(int i) { return ban[i]; }
30 
31 // COM-LABEL: define void @test3()
32 // PIZ: load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* @B
33 // PIZ: load i32, i32 addrspace(4)*
34 // PIZ: load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* @A
35 // PIZ: store i32 {{.*}}, i32 addrspace(4)*
36 // CHECK: load i32*, i32** @B
37 // CHECK: load i32, i32*
38 // CHECK: load i32*, i32** @A
39 // CHECK: store i32 {{.*}}, i32*
40 void test3() {
41   *A = *B;
42 }
43 
44 // PIZ-LABEL: define void @test4(i32 addrspace(4)* %a)
45 // PIZ: %[[a_addr:.*]] = alloca i32 addrspace(4)*
46 // PIZ: store i32 addrspace(4)* %a, i32 addrspace(4)** %[[a_addr]]
47 // PIZ: %[[r0:.*]] = load i32 addrspace(4)*, i32 addrspace(4)** %[[a_addr]]
48 // PIZ: %[[arrayidx:.*]] = getelementptr inbounds i32, i32 addrspace(4)* %[[r0]]
49 // PIZ: store i32 0, i32 addrspace(4)* %[[arrayidx]]
50 // CHECK-LABEL: define void @test4(i32* %a)
51 // CHECK: %[[a_addr:.*]] = alloca i32*, align 4, addrspace(5)
52 // CHECK: store i32* %a, i32* addrspace(5)* %[[a_addr]]
53 // CHECK: %[[r0:.*]] = load i32*, i32* addrspace(5)* %[[a_addr]]
54 // CHECK: %[[arrayidx:.*]] = getelementptr inbounds i32, i32* %[[r0]]
55 // CHECK: store i32 0, i32* %[[arrayidx]]
56 void test4(int *a) {
57   a[0] = 0;
58 }
59