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(1) global i32 0
5 // CHECK-DAG: @foo = common addrspace(1) global i32 0
6 int foo;
7 
8 // PIZ-DAG: @ban = common addrspace(1) global [10 x i32] zeroinitializer
9 // CHECK-DAG: @ban = common addrspace(1) global [10 x i32] zeroinitializer
10 int ban[10];
11 
12 // PIZ-DAG: @A = common addrspace(1) global i32 addrspace(4)* null
13 // PIZ-DAG: @B = common addrspace(1) global i32 addrspace(4)* null
14 // CHECK-DAG: @A = common addrspace(1) global i32* null
15 // CHECK-DAG: @B = common addrspace(1) global i32* null
16 int *A;
17 int *B;
18 
19 // COM-LABEL: define i32 @test1()
20 // PIZ: load i32, i32 addrspace(4)* addrspacecast{{[^@]+}} @foo
21 // CHECK: load i32, i32* addrspacecast{{[^@]+}} @foo
22 int test1() { return foo; }
23 
24 // COM-LABEL: define i32 @test2(i32 %i)
25 // COM: %[[addr:.*]] = getelementptr
26 // PIZ: load i32, i32 addrspace(4)* %[[addr]]
27 // PIZ-NEXT: ret i32
28 // CHECK: load i32, i32* %[[addr]]
29 // CHECK-NEXT: ret i32
30 int test2(int i) { return ban[i]; }
31 
32 // COM-LABEL: define void @test3()
33 // PIZ: load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* addrspacecast{{[^@]+}} @B
34 // PIZ: load i32, i32 addrspace(4)*
35 // PIZ: load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* addrspacecast{{[^@]+}} @A
36 // PIZ: store i32 {{.*}}, i32 addrspace(4)*
37 // CHECK: load i32*, i32** addrspacecast{{.*}} @B
38 // CHECK: load i32, i32*
39 // CHECK: load i32*, i32** addrspacecast{{.*}} @A
40 // CHECK: store i32 {{.*}}, i32*
41 void test3() {
42   *A = *B;
43 }
44 
45 // PIZ-LABEL: define void @test4(i32 addrspace(4)* %a)
46 // PIZ: %[[alloca:.*]] = alloca i32 addrspace(4)*
47 // PIZ: %[[a_addr:.*]] = addrspacecast{{.*}} %[[alloca]] to i32 addrspace(4)* addrspace(4)*
48 // PIZ: store i32 addrspace(4)* %a, i32 addrspace(4)* addrspace(4)* %[[a_addr]]
49 // PIZ: %[[r0:.*]] = load i32 addrspace(4)*, i32 addrspace(4)* addrspace(4)* %[[a_addr]]
50 // PIZ: %[[arrayidx:.*]] = getelementptr inbounds i32, i32 addrspace(4)* %[[r0]]
51 // PIZ: store i32 0, i32 addrspace(4)* %[[arrayidx]]
52 // CHECK-LABEL: define void @test4(i32* %a)
53 // CHECK: %[[alloca:.*]] = alloca i32*, align 8, addrspace(5)
54 // CHECK: %[[a_addr:.*]] = addrspacecast{{.*}} %[[alloca]] to i32**
55 // CHECK: store i32* %a, i32** %[[a_addr]]
56 // CHECK: %[[r0:.*]] = load i32*, i32** %[[a_addr]]
57 // CHECK: %[[arrayidx:.*]] = getelementptr inbounds i32, i32* %[[r0]]
58 // CHECK: store i32 0, i32* %[[arrayidx]]
59 void test4(int *a) {
60   a[0] = 0;
61 }
62