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
|
;RUN: llc < %s -march=amdgcn -mcpu=verde -verify-machineinstrs | FileCheck %s -check-prefix=CHECK -check-prefix=SICI
;RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s -check-prefix=CHECK -check-prefix=VI
;CHECK-LABEL: {{^}}buffer_load:
;CHECK: buffer_load_format_xyzw v[0:3], off, s[0:3], 0
;CHECK: buffer_load_format_xyzw v[4:7], off, s[0:3], 0 glc
;CHECK: buffer_load_format_xyzw v[8:11], off, s[0:3], 0 slc
;CHECK: s_waitcnt
define amdgpu_ps {<4 x float>, <4 x float>, <4 x float>} @buffer_load(<4 x i32> inreg) {
main_body:
%data = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 0, i1 0, i1 0)
%data_glc = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 0, i1 1, i1 0)
%data_slc = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 0, i1 0, i1 1)
%r0 = insertvalue {<4 x float>, <4 x float>, <4 x float>} undef, <4 x float> %data, 0
%r1 = insertvalue {<4 x float>, <4 x float>, <4 x float>} %r0, <4 x float> %data_glc, 1
%r2 = insertvalue {<4 x float>, <4 x float>, <4 x float>} %r1, <4 x float> %data_slc, 2
ret {<4 x float>, <4 x float>, <4 x float>} %r2
}
;CHECK-LABEL: {{^}}buffer_load_immoffs:
;CHECK: buffer_load_format_xyzw v[0:3], off, s[0:3], 0 offset:42
;CHECK: s_waitcnt
define amdgpu_ps <4 x float> @buffer_load_immoffs(<4 x i32> inreg) {
main_body:
%data = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 42, i1 0, i1 0)
ret <4 x float> %data
}
;CHECK-LABEL: {{^}}buffer_load_immoffs_large:
;SICI: v_mov_b32_e32 [[VOFS:v[0-9]+]], 0x1038
;SICI: buffer_load_format_xyzw {{v\[[0-9]+:[0-9]+\]}}, [[VOFS]], s[0:3], 0 offen
;SICI: buffer_load_format_xyzw {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, s[0:3], 0 offen
;VI-DAG: buffer_load_format_xyzw {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], 60 offset:4092
;VI-DAG: s_movk_i32 [[OFS1:s[0-9]+]], 0x7ffc
;VI-DAG: buffer_load_format_xyzw {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], [[OFS1]] offset:4092
;SICI: buffer_load_format_xyzw {{v\[[0-9]+:[0-9]+\]}}, {{v[0-9]+}}, s[0:3], 0 offen
;VI-DAG: s_mov_b32 [[OFS2:s[0-9]+]], 0x8ffc
;VI-DAG: buffer_load_format_xyzw {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], [[OFS2]] offset:4
;CHECK: s_waitcnt
define amdgpu_ps <4 x float> @buffer_load_immoffs_large(<4 x i32> inreg) {
main_body:
%d.0 = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 4152, i1 0, i1 0)
%d.1 = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 36856, i1 0, i1 0)
%d.2 = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 36864, i1 0, i1 0)
%d.3 = fadd <4 x float> %d.0, %d.1
%data = fadd <4 x float> %d.2, %d.3
ret <4 x float> %data
}
;CHECK-LABEL: {{^}}buffer_load_immoffs_reuse:
;VI: s_movk_i32 [[OFS:s[0-9]+]], 0xffc
;VI: buffer_load_format_xyzw {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], [[OFS]] offset:68
;VI-NOT: s_mov
;VI: buffer_load_format_xyzw {{v\[[0-9]+:[0-9]+\]}}, off, s[0:3], [[OFS]] offset:84
;VI: s_waitcnt
define amdgpu_ps <4 x float> @buffer_load_immoffs_reuse(<4 x i32> inreg) {
main_body:
%d.0 = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 4160, i1 0, i1 0)
%d.1 = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 4176, i1 0, i1 0)
%data = fadd <4 x float> %d.0, %d.1
ret <4 x float> %data
}
;CHECK-LABEL: {{^}}buffer_load_idx:
;CHECK: buffer_load_format_xyzw v[0:3], v0, s[0:3], 0 idxen
;CHECK: s_waitcnt
define amdgpu_ps <4 x float> @buffer_load_idx(<4 x i32> inreg, i32) {
main_body:
%data = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 %1, i32 0, i1 0, i1 0)
ret <4 x float> %data
}
;CHECK-LABEL: {{^}}buffer_load_ofs:
;CHECK: buffer_load_format_xyzw v[0:3], v0, s[0:3], 0 offen
;CHECK: s_waitcnt
define amdgpu_ps <4 x float> @buffer_load_ofs(<4 x i32> inreg, i32) {
main_body:
%data = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 %1, i1 0, i1 0)
ret <4 x float> %data
}
;CHECK-LABEL: {{^}}buffer_load_ofs_imm:
;CHECK: buffer_load_format_xyzw v[0:3], v0, s[0:3], 0 offen offset:60
;CHECK: s_waitcnt
define amdgpu_ps <4 x float> @buffer_load_ofs_imm(<4 x i32> inreg, i32) {
main_body:
%ofs = add i32 %1, 60
%data = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 0, i32 %ofs, i1 0, i1 0)
ret <4 x float> %data
}
;CHECK-LABEL: {{^}}buffer_load_both:
;CHECK: buffer_load_format_xyzw v[0:3], v[0:1], s[0:3], 0 idxen offen
;CHECK: s_waitcnt
define amdgpu_ps <4 x float> @buffer_load_both(<4 x i32> inreg, i32, i32) {
main_body:
%data = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 %1, i32 %2, i1 0, i1 0)
ret <4 x float> %data
}
;CHECK-LABEL: {{^}}buffer_load_both_reversed:
;CHECK: v_mov_b32_e32 v2, v0
;CHECK: buffer_load_format_xyzw v[0:3], v[1:2], s[0:3], 0 idxen offen
;CHECK: s_waitcnt
define amdgpu_ps <4 x float> @buffer_load_both_reversed(<4 x i32> inreg, i32, i32) {
main_body:
%data = call <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32> %0, i32 %2, i32 %1, i1 0, i1 0)
ret <4 x float> %data
}
;CHECK-LABEL: {{^}}buffer_load_x:
;CHECK: buffer_load_format_x v0, off, s[0:3], 0
;CHECK: s_waitcnt
define amdgpu_ps float @buffer_load_x(<4 x i32> inreg %rsrc) {
main_body:
%data = call float @llvm.amdgcn.buffer.load.format.f32(<4 x i32> %rsrc, i32 0, i32 0, i1 0, i1 0)
ret float %data
}
;CHECK-LABEL: {{^}}buffer_load_xy:
;CHECK: buffer_load_format_xy v[0:1], off, s[0:3], 0
;CHECK: s_waitcnt
define amdgpu_ps <2 x float> @buffer_load_xy(<4 x i32> inreg %rsrc) {
main_body:
%data = call <2 x float> @llvm.amdgcn.buffer.load.format.v2f32(<4 x i32> %rsrc, i32 0, i32 0, i1 0, i1 0)
ret <2 x float> %data
}
declare float @llvm.amdgcn.buffer.load.format.f32(<4 x i32>, i32, i32, i1, i1) #0
declare <2 x float> @llvm.amdgcn.buffer.load.format.v2f32(<4 x i32>, i32, i32, i1, i1) #0
declare <4 x float> @llvm.amdgcn.buffer.load.format.v4f32(<4 x i32>, i32, i32, i1, i1) #0
attributes #0 = { nounwind readonly }
|
