1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
// RUN: %clang_cc1 -O0 -triple amdgcn---amdgiz -emit-llvm %s -o - | FileCheck %s
// CHECK-LABEL: define void @_Z5func1Pi(i32* %x)
void func1(int *x) {
// CHECK: %[[x_addr:.*]] = alloca i32*{{.*}}addrspace(5)
// CHECK: %[[r0:.*]] = addrspacecast i32* addrspace(5)* %[[x_addr]] to i32**
// CHECK: store i32* %x, i32** %[[r0]]
// CHECK: %[[r1:.*]] = load i32*, i32** %[[r0]]
// CHECK: store i32 1, i32* %[[r1]]
*x = 1;
}
// CHECK-LABEL: define void @_Z5func2v()
void func2(void) {
// CHECK: %lv1 = alloca i32, align 4, addrspace(5)
// CHECK: %[[r0:.*]] = addrspacecast i32 addrspace(5)* %lv1 to i32*
// CHECK: %lv2 = alloca i32, align 4, addrspace(5)
// CHECK: %[[r1:.*]] = addrspacecast i32 addrspace(5)* %lv2 to i32*
// CHECK: %la = alloca [100 x i32], align 4, addrspace(5)
// CHECK: %[[r2:.*]] = addrspacecast [100 x i32] addrspace(5)* %la to [100 x i32]*
// CHECK: %lp1 = alloca i32*, align 8, addrspace(5)
// CHECK: %[[r3:.*]] = addrspacecast i32* addrspace(5)* %lp1 to i32**
// CHECK: %lp2 = alloca i32*, align 8, addrspace(5)
// CHECK: %[[r4:.*]] = addrspacecast i32* addrspace(5)* %lp2 to i32**
// CHECK: %lvc = alloca i32, align 4, addrspace(5)
// CHECK: %[[r5:.*]] = addrspacecast i32 addrspace(5)* %lvc to i32*
// CHECK: store i32 1, i32* %[[r0]]
int lv1;
lv1 = 1;
// CHECK: store i32 2, i32* %[[r1]]
int lv2 = 2;
// CHECK: %[[arrayidx:.*]] = getelementptr inbounds [100 x i32], [100 x i32]* %[[r2]], i64 0, i64 0
// CHECK: store i32 3, i32* %[[arrayidx]], align 4
int la[100];
la[0] = 3;
// CHECK: store i32* %[[r0]], i32** %[[r3]], align 8
int *lp1 = &lv1;
// CHECK: %[[arraydecay:.*]] = getelementptr inbounds [100 x i32], [100 x i32]* %[[r2]], i32 0, i32 0
// CHECK: store i32* %[[arraydecay]], i32** %[[r4]], align 8
int *lp2 = la;
// CHECK: call void @_Z5func1Pi(i32* %[[r0]])
func1(&lv1);
// CHECK: store i32 4, i32* %[[r5]]
// CHECK: store i32 4, i32* %[[r0]]
const int lvc = 4;
lv1 = lvc;
}
void destroy(int x);
class A {
int x;
public:
A():x(0) {}
~A() {
destroy(x);
}
};
// CHECK-LABEL: define void @_Z5func3v
void func3() {
// CHECK: %[[a:.*]] = alloca %class.A, align 4, addrspace(5)
// CHECK: %[[r0:.*]] = addrspacecast %class.A addrspace(5)* %[[a]] to %class.A*
// CHECK: call void @_ZN1AC1Ev(%class.A* %[[r0]])
// CHECK: call void @_ZN1AD1Ev(%class.A* %[[r0]])
A a;
}
// CHECK-LABEL: define void @_Z5func4i
void func4(int x) {
// CHECK: %[[x_addr:.*]] = alloca i32, align 4, addrspace(5)
// CHECK: %[[r0:.*]] = addrspacecast i32 addrspace(5)* %[[x_addr]] to i32*
// CHECK: store i32 %x, i32* %[[r0]], align 4
// CHECK: call void @_Z5func1Pi(i32* %[[r0]])
func1(&x);
}
// CHECK-LABEL: define void @_Z5func5v
void func5() {
return;
int x = 0;
}
// CHECK-LABEL: define void @_Z5func6v
void func6() {
return;
int x;
}
// CHECK-LABEL: define void @_Z5func7v
extern void use(int *);
void func7() {
goto later;
int x;
later:
use(&x);
}
// CHECK-NOT: !opencl.ocl.version
|
