1 // RUN: %clang_cc1 -O0 -triple amdgcn---amdgiz -emit-llvm %s -o - | FileCheck %s
2 
3 // CHECK-LABEL: define void @_Z5func1Pi(i32* %x)
4 void func1(int *x) {
5   // CHECK: %[[x_addr:.*]] = alloca i32*{{.*}}addrspace(5)
6   // CHECK: %[[r0:.*]] = addrspacecast i32* addrspace(5)* %[[x_addr]] to i32**
7   // CHECK: store i32* %x, i32** %[[r0]]
8   // CHECK: %[[r1:.*]] = load i32*, i32** %[[r0]]
9   // CHECK: store i32 1, i32* %[[r1]]
10   *x = 1;
11 }
12 
13 // CHECK-LABEL: define void @_Z5func2v()
14 void func2(void) {
15   // CHECK: %lv1 = alloca i32, align 4, addrspace(5)
16   // CHECK: %lv2 = alloca i32, align 4, addrspace(5)
17   // CHECK: %la = alloca [100 x i32], align 4, addrspace(5)
18   // CHECK: %lp1 = alloca i32*, align 4, addrspace(5)
19   // CHECK: %lp2 = alloca i32*, align 4, addrspace(5)
20   // CHECK: %lvc = alloca i32, align 4, addrspace(5)
21 
22   // CHECK: %[[r0:.*]] = addrspacecast i32 addrspace(5)* %lv1 to i32*
23   // CHECK: store i32 1, i32* %[[r0]]
24   int lv1;
25   lv1 = 1;
26   // CHECK: %[[r1:.*]] = addrspacecast i32 addrspace(5)* %lv2 to i32*
27   // CHECK: store i32 2, i32* %[[r1]]
28   int lv2 = 2;
29 
30   // CHECK: %[[r2:.*]] = addrspacecast [100 x i32] addrspace(5)* %la to [100 x i32]*
31   // CHECK: %[[arrayidx:.*]] = getelementptr inbounds [100 x i32], [100 x i32]* %[[r2]], i64 0, i64 0
32   // CHECK: store i32 3, i32* %[[arrayidx]], align 4
33   int la[100];
34   la[0] = 3;
35 
36   // CHECK: %[[r3:.*]] = addrspacecast i32* addrspace(5)* %lp1 to i32**
37   // CHECK: store i32* %[[r0]], i32** %[[r3]], align 4
38   int *lp1 = &lv1;
39 
40   // CHECK: %[[r4:.*]] = addrspacecast i32* addrspace(5)* %lp2 to i32**
41   // CHECK: %[[arraydecay:.*]] = getelementptr inbounds [100 x i32], [100 x i32]* %[[r2]], i32 0, i32 0
42   // CHECK: store i32* %[[arraydecay]], i32** %[[r4]], align 4
43   int *lp2 = la;
44 
45   // CHECK: call void @_Z5func1Pi(i32* %[[r0]])
46   func1(&lv1);
47 
48   // CHECK: %[[r5:.*]] = addrspacecast i32 addrspace(5)* %lvc to i32*
49   // CHECK: store i32 4, i32* %[[r5]]
50   // CHECK: store i32 4, i32* %[[r0]]
51   const int lvc = 4;
52   lv1 = lvc;
53 }
54 
55 void destroy(int x);
56 
57 class A {
58 int x;
59 public:
60   A():x(0) {}
61   ~A() {
62    destroy(x);
63   }
64 };
65 
66 // CHECK-LABEL: define void @_Z5func3v
67 void func3() {
68   // CHECK: %[[a:.*]] = alloca %class.A, align 4, addrspace(5)
69   // CHECK: %[[r0:.*]] = addrspacecast %class.A addrspace(5)* %[[a]] to %class.A*
70   // CHECK: call void @_ZN1AC1Ev(%class.A* %[[r0]])
71   // CHECK: call void @_ZN1AD1Ev(%class.A* %[[r0]])
72   A a;
73 }
74 
75 // CHECK-LABEL: define void @_Z5func4i
76 void func4(int x) {
77   // CHECK: %[[x_addr:.*]] = alloca i32, align 4, addrspace(5)
78   // CHECK: %[[r0:.*]] = addrspacecast i32 addrspace(5)* %[[x_addr]] to i32*
79   // CHECK: store i32 %x, i32* %[[r0]], align 4
80   // CHECK: call void @_Z5func1Pi(i32* %[[r0]])
81   func1(&x);
82 }
83