1 // RUN: %clang_cc1 -O0 -triple amdgcn---amdgiz -emit-llvm %s -o - | FileCheck %s
2
3 // CHECK-LABEL: define{{.*}} void @_Z5func1Pi(i32* %x)
func1(int * 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()
func2(void)14 void func2(void) {
15 // CHECK: %lv1 = alloca i32, align 4, addrspace(5)
16 // CHECK: %[[r0:.*]] = addrspacecast i32 addrspace(5)* %lv1 to i32*
17 // CHECK: %lv2 = alloca i32, align 4, addrspace(5)
18 // CHECK: %[[r1:.*]] = addrspacecast i32 addrspace(5)* %lv2 to i32*
19 // CHECK: %la = alloca [100 x i32], align 4, addrspace(5)
20 // CHECK: %[[r2:.*]] = addrspacecast [100 x i32] addrspace(5)* %la to [100 x i32]*
21 // CHECK: %lp1 = alloca i32*, align 8, addrspace(5)
22 // CHECK: %[[r3:.*]] = addrspacecast i32* addrspace(5)* %lp1 to i32**
23 // CHECK: %lp2 = alloca i32*, align 8, addrspace(5)
24 // CHECK: %[[r4:.*]] = addrspacecast i32* addrspace(5)* %lp2 to i32**
25 // CHECK: %lvc = alloca i32, align 4, addrspace(5)
26 // CHECK: %[[r5:.*]] = addrspacecast i32 addrspace(5)* %lvc to i32*
27
28 // CHECK: store i32 1, i32* %[[r0]]
29 int lv1;
30 lv1 = 1;
31 // CHECK: store i32 2, i32* %[[r1]]
32 int lv2 = 2;
33
34 // CHECK: %[[arrayidx:.*]] = getelementptr inbounds [100 x i32], [100 x i32]* %[[r2]], i64 0, i64 0
35 // CHECK: store i32 3, i32* %[[arrayidx]], align 4
36 int la[100];
37 la[0] = 3;
38
39 // CHECK: store i32* %[[r0]], i32** %[[r3]], align 8
40 int *lp1 = &lv1;
41
42 // CHECK: %[[arraydecay:.*]] = getelementptr inbounds [100 x i32], [100 x i32]* %[[r2]], i64 0, i64 0
43 // CHECK: store i32* %[[arraydecay]], i32** %[[r4]], align 8
44 int *lp2 = la;
45
46 // CHECK: call void @_Z5func1Pi(i32* %[[r0]])
47 func1(&lv1);
48
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:
A()60 A():x(0) {}
~A()61 ~A() {
62 destroy(x);
63 }
64 };
65
66 // CHECK-LABEL: define{{.*}} void @_Z5func3v
func3()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
func4(int x)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
84 // CHECK-LABEL: define{{.*}} void @_Z5func5v
func5()85 void func5() {
86 return;
87 int x = 0;
88 }
89
90 // CHECK-LABEL: define{{.*}} void @_Z5func6v
func6()91 void func6() {
92 return;
93 int x;
94 }
95
96 // CHECK-LABEL: define{{.*}} void @_Z5func7v
97 extern void use(int *);
func7()98 void func7() {
99 goto later;
100 int x;
101 later:
102 use(&x);
103 }
104
105 // CHECK-NOT: !opencl.ocl.version
106