volatile.ll
5.96 KB
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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -infer-address-spaces %s | FileCheck %s
; Check that volatile users of addrspacecast are not replaced.
; CHECK-LABEL: @volatile_load_flat_from_global(
; CHECK: load volatile i32, i32*
; CHECK: store i32 %val, i32 addrspace(1)*
define amdgpu_kernel void @volatile_load_flat_from_global(i32 addrspace(1)* nocapture %input, i32 addrspace(1)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(1)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(1)* %output to i32*
%val = load volatile i32, i32* %tmp0, align 4
store i32 %val, i32* %tmp1, align 4
ret void
}
; CHECK-LABEL: @volatile_load_flat_from_constant(
; CHECK: load volatile i32, i32*
; CHECK: store i32 %val, i32 addrspace(1)*
define amdgpu_kernel void @volatile_load_flat_from_constant(i32 addrspace(4)* nocapture %input, i32 addrspace(1)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(4)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(1)* %output to i32*
%val = load volatile i32, i32* %tmp0, align 4
store i32 %val, i32* %tmp1, align 4
ret void
}
; CHECK-LABEL: @volatile_load_flat_from_group(
; CHECK: load volatile i32, i32*
; CHECK: store i32 %val, i32 addrspace(3)*
define amdgpu_kernel void @volatile_load_flat_from_group(i32 addrspace(3)* nocapture %input, i32 addrspace(3)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(3)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(3)* %output to i32*
%val = load volatile i32, i32* %tmp0, align 4
store i32 %val, i32* %tmp1, align 4
ret void
}
; CHECK-LABEL: @volatile_load_flat_from_private(
; CHECK: load volatile i32, i32*
; CHECK: store i32 %val, i32 addrspace(5)*
define amdgpu_kernel void @volatile_load_flat_from_private(i32 addrspace(5)* nocapture %input, i32 addrspace(5)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(5)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(5)* %output to i32*
%val = load volatile i32, i32* %tmp0, align 4
store i32 %val, i32* %tmp1, align 4
ret void
}
; CHECK-LABEL: @volatile_store_flat_to_global(
; CHECK: load i32, i32 addrspace(1)*
; CHECK: store volatile i32 %val, i32*
define amdgpu_kernel void @volatile_store_flat_to_global(i32 addrspace(1)* nocapture %input, i32 addrspace(1)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(1)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(1)* %output to i32*
%val = load i32, i32* %tmp0, align 4
store volatile i32 %val, i32* %tmp1, align 4
ret void
}
; CHECK-LABEL: @volatile_store_flat_to_group(
; CHECK: load i32, i32 addrspace(3)*
; CHECK: store volatile i32 %val, i32*
define amdgpu_kernel void @volatile_store_flat_to_group(i32 addrspace(3)* nocapture %input, i32 addrspace(3)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(3)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(3)* %output to i32*
%val = load i32, i32* %tmp0, align 4
store volatile i32 %val, i32* %tmp1, align 4
ret void
}
; CHECK-LABEL: @volatile_store_flat_to_private(
; CHECK: load i32, i32 addrspace(5)*
; CHECK: store volatile i32 %val, i32*
define amdgpu_kernel void @volatile_store_flat_to_private(i32 addrspace(5)* nocapture %input, i32 addrspace(5)* nocapture %output) #0 {
%tmp0 = addrspacecast i32 addrspace(5)* %input to i32*
%tmp1 = addrspacecast i32 addrspace(5)* %output to i32*
%val = load i32, i32* %tmp0, align 4
store volatile i32 %val, i32* %tmp1, align 4
ret void
}
; CHECK-LABEL: @volatile_atomicrmw_add_group_to_flat(
; CHECK: addrspacecast i32 addrspace(3)* %group.ptr to i32*
; CHECK: atomicrmw volatile add i32*
define i32 @volatile_atomicrmw_add_group_to_flat(i32 addrspace(3)* %group.ptr, i32 %y) #0 {
%cast = addrspacecast i32 addrspace(3)* %group.ptr to i32*
%ret = atomicrmw volatile add i32* %cast, i32 %y seq_cst
ret i32 %ret
}
; CHECK-LABEL: @volatile_atomicrmw_add_global_to_flat(
; CHECK: addrspacecast i32 addrspace(1)* %global.ptr to i32*
; CHECK: %ret = atomicrmw volatile add i32*
define i32 @volatile_atomicrmw_add_global_to_flat(i32 addrspace(1)* %global.ptr, i32 %y) #0 {
%cast = addrspacecast i32 addrspace(1)* %global.ptr to i32*
%ret = atomicrmw volatile add i32* %cast, i32 %y seq_cst
ret i32 %ret
}
; CHECK-LABEL: @volatile_cmpxchg_global_to_flat(
; CHECK: addrspacecast i32 addrspace(1)* %global.ptr to i32*
; CHECK: cmpxchg volatile i32*
define { i32, i1 } @volatile_cmpxchg_global_to_flat(i32 addrspace(1)* %global.ptr, i32 %cmp, i32 %val) #0 {
%cast = addrspacecast i32 addrspace(1)* %global.ptr to i32*
%ret = cmpxchg volatile i32* %cast, i32 %cmp, i32 %val seq_cst monotonic
ret { i32, i1 } %ret
}
; CHECK-LABEL: @volatile_cmpxchg_group_to_flat(
; CHECK: addrspacecast i32 addrspace(3)* %group.ptr to i32*
; CHECK: cmpxchg volatile i32*
define { i32, i1 } @volatile_cmpxchg_group_to_flat(i32 addrspace(3)* %group.ptr, i32 %cmp, i32 %val) #0 {
%cast = addrspacecast i32 addrspace(3)* %group.ptr to i32*
%ret = cmpxchg volatile i32* %cast, i32 %cmp, i32 %val seq_cst monotonic
ret { i32, i1 } %ret
}
; CHECK-LABEL: @volatile_memset_group_to_flat(
; CHECK: %cast = addrspacecast i8 addrspace(3)* %group.ptr to i8*
; CHECK: call void @llvm.memset.p0i8.i64(i8* align 4 %cast, i8 4, i64 32, i1 true)
define amdgpu_kernel void @volatile_memset_group_to_flat(i8 addrspace(3)* %group.ptr, i32 %y) #0 {
%cast = addrspacecast i8 addrspace(3)* %group.ptr to i8*
call void @llvm.memset.p0i8.i64(i8* align 4 %cast, i8 4, i64 32, i1 true)
ret void
}
; CHECK-LABEL: @volatile_memset_global_to_flat(
; CHECK: %cast = addrspacecast i8 addrspace(1)* %global.ptr to i8*
; CHECK: call void @llvm.memset.p0i8.i64(i8* align 4 %cast, i8 4, i64 32, i1 true)
define amdgpu_kernel void @volatile_memset_global_to_flat(i8 addrspace(1)* %global.ptr, i32 %y) #0 {
%cast = addrspacecast i8 addrspace(1)* %global.ptr to i8*
call void @llvm.memset.p0i8.i64(i8* align 4 %cast, i8 4, i64 32, i1 true)
ret void
}
declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #1
attributes #0 = { nounwind }
attributes #1 = { argmemonly nounwind }