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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
| ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=SI -check-prefix=FUNC %s
declare i32 @llvm.amdgcn.workitem.id.x() nounwind readnone
; FUNC-LABEL {{^}}sextload_i1_to_i32_trunc_cmp_eq_0:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; SI: v_cmp_eq_u32_e32 vcc, 0, [[TMP]]{{$}}
; SI: v_cndmask_b32_e64
; SI: buffer_store_byte
define amdgpu_kernel void @sextload_i1_to_i32_trunc_cmp_eq_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp eq i32 %ext, 0
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FIXME: The negate should be inverting the compare.
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_eq_0:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; SI: v_cmp_eq_u32_e32 vcc, 1, [[TMP]]{{$}}
; SI-NEXT: s_xor_b64 [[NEG:s\[[0-9]+:[0-9]+\]]], vcc, -1
; SI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1, [[NEG]]
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @zextload_i1_to_i32_trunc_cmp_eq_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp eq i32 %ext, 0
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_eq_1:
; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 0{{$}}
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @sextload_i1_to_i32_trunc_cmp_eq_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp eq i32 %ext, 1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_eq_1:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[RESULT:v[0-9]+]], 1, [[LOAD]]
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @zextload_i1_to_i32_trunc_cmp_eq_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp eq i32 %ext, 1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_eq_neg1:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[RESULT:v[0-9]+]], 1, [[LOAD]]
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @sextload_i1_to_i32_trunc_cmp_eq_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp eq i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_eq_neg1:
; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 0{{$}}
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @zextload_i1_to_i32_trunc_cmp_eq_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp eq i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL {{^}}sextload_i1_to_i32_trunc_cmp_ne_0:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @sextload_i1_to_i32_trunc_cmp_ne_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp ne i32 %ext, 0
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_ne_0:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[RESULT:v[0-9]+]], 1, [[LOAD]]
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @zextload_i1_to_i32_trunc_cmp_ne_0(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp ne i32 %ext, 0
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_ne_1:
; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 1{{$}}
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @sextload_i1_to_i32_trunc_cmp_ne_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp ne i32 %ext, 1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_ne_1:
; SI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; SI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; SI: v_cmp_eq_u32_e32 vcc, 1, [[TMP]]{{$}}
; SI-NEXT: s_xor_b64 [[NEG:s\[[0-9]+:[0-9]+\]]], vcc, -1
; SI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1, [[NEG]]
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @zextload_i1_to_i32_trunc_cmp_ne_1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp ne i32 %ext, 1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FIXME: This should be one compare.
; FUNC-LABEL: {{^}}sextload_i1_to_i32_trunc_cmp_ne_neg1:
; XSI: buffer_load_ubyte [[LOAD:v[0-9]+]]
; XSI: v_and_b32_e32 [[TMP:v[0-9]+]], 1, [[LOAD]]
; XSI: v_cmp_eq_u32_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], [[TMP]], 0{{$}}
; XSI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1, [[CMP0]]
; XSI-NEXT: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @sextload_i1_to_i32_trunc_cmp_ne_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = sext i1 %load to i32
%cmp = icmp ne i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}zextload_i1_to_i32_trunc_cmp_ne_neg1:
; SI: v_mov_b32_e32 [[RESULT:v[0-9]+]], 1{{$}}
; SI: buffer_store_byte [[RESULT]]
define amdgpu_kernel void @zextload_i1_to_i32_trunc_cmp_ne_neg1(i1 addrspace(1)* %out, i1 addrspace(1)* %in) nounwind {
%load = load i1, i1 addrspace(1)* %in
%ext = zext i1 %load to i32
%cmp = icmp ne i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
; FIXME: Need to handle non-uniform case for function below (load without gep).
; FUNC-LABEL: {{^}}masked_load_i1_to_i32_trunc_cmp_ne_neg1:
; SI: {{buffer|flat}}_load_sbyte [[LOAD:v[0-9]+]]
; SI: v_cmp_ne_u32_e32 vcc, -1, [[LOAD]]{{$}}
; SI-NEXT: v_cndmask_b32_e64
; SI: {{buffer|flat}}_store_byte
define amdgpu_kernel void @masked_load_i1_to_i32_trunc_cmp_ne_neg1(i1 addrspace(1)* %out, i8 addrspace(1)* %in) nounwind {
%tid.x = call i32 @llvm.amdgcn.workitem.id.x()
%in.ptr = getelementptr i8, i8 addrspace(1)* %in, i32 %tid.x
%load = load i8, i8 addrspace(1)* %in.ptr
%masked = and i8 %load, 255
%ext = sext i8 %masked to i32
%cmp = icmp ne i32 %ext, -1
store i1 %cmp, i1 addrspace(1)* %out
ret void
}
|