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
| ; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx600 -verify-machineinstrs <%s | FileCheck -enable-var-scope -check-prefixes=GCN,SICI,SI %s
; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx700 -verify-machineinstrs <%s | FileCheck -enable-var-scope -check-prefixes=GCN,SICI,CI %s
; Check that an addrspace(1) (const) load with various combinations of
; uniform, nonuniform and constant address components all load with an
; addr64 mubuf with no readfirstlane.
@indexable = internal unnamed_addr addrspace(1) constant [6 x <3 x float>] [<3 x float> <float 1.000000e+00, float 0.000000e+00, float 0.000000e+00>, <3 x float> <float 0.000000e+00, float 1.000000e+00, float 0.000000e+00>, <3 x float> <float 0.000000e+00, float 0.000000e+00, float 1.000000e+00>, <3 x float> <float 0.000000e+00, float 1.000000e+00, float 1.000000e+00>, <3 x float> <float 1.000000e+00, float 0.000000e+00, float 1.000000e+00>, <3 x float> <float 1.000000e+00, float 1.000000e+00, float 0.000000e+00>]
; GCN-LABEL: {{^}}nonuniform_uniform:
; GCN-NOT: readfirstlane
; SI: buffer_load_dwordx4 {{.*}} addr64
; CI: buffer_load_dwordx3 {{.*}} addr64
define amdgpu_ps float @nonuniform_uniform(i32 %arg18) {
.entry:
%tmp31 = sext i32 %arg18 to i64
%tmp32 = getelementptr [6 x <3 x float>], [6 x <3 x float>] addrspace(1)* @indexable, i64 0, i64 %tmp31
%tmp33 = load <3 x float>, <3 x float> addrspace(1)* %tmp32, align 16
%tmp34 = extractelement <3 x float> %tmp33, i32 0
ret float %tmp34
}
; GCN-LABEL: {{^}}uniform_nonuniform:
; GCN-NOT: readfirstlane
; SI: buffer_load_dwordx4 {{.*}} addr64
; CI: buffer_load_dwordx3 {{.*}} addr64
define amdgpu_ps float @uniform_nonuniform(i32 inreg %offset, i32 %arg18) {
.entry:
%tmp1 = zext i32 %arg18 to i64
%tmp2 = inttoptr i64 %tmp1 to [6 x <3 x float>] addrspace(1)*
%tmp32 = getelementptr [6 x <3 x float>], [6 x <3 x float>] addrspace(1)* %tmp2, i32 0, i32 %offset
%tmp33 = load <3 x float>, <3 x float> addrspace(1)* %tmp32, align 16
%tmp34 = extractelement <3 x float> %tmp33, i32 0
ret float %tmp34
}
; GCN-LABEL: {{^}}const_nonuniform:
; GCN-NOT: readfirstlane
; SI: buffer_load_dwordx4 {{.*}} addr64
; CI: buffer_load_dwordx3 {{.*}} addr64
define amdgpu_ps float @const_nonuniform(i32 %arg18) {
.entry:
%tmp1 = zext i32 %arg18 to i64
%tmp2 = inttoptr i64 %tmp1 to [6 x <3 x float>] addrspace(1)*
%tmp32 = getelementptr [6 x <3 x float>], [6 x <3 x float>] addrspace(1)* %tmp2, i32 0, i32 1
%tmp33 = load <3 x float>, <3 x float> addrspace(1)* %tmp32, align 16
%tmp34 = extractelement <3 x float> %tmp33, i32 0
ret float %tmp34
}
; GCN-LABEL: {{^}}nonuniform_nonuniform:
; GCN-NOT: readfirstlane
; SI: buffer_load_dwordx4 {{.*}} addr64
; CI: buffer_load_dwordx3 {{.*}} addr64
define amdgpu_ps float @nonuniform_nonuniform(i32 %offset, i32 %arg18) {
.entry:
%tmp1 = zext i32 %arg18 to i64
%tmp2 = inttoptr i64 %tmp1 to [6 x <3 x float>] addrspace(1)*
%tmp32 = getelementptr [6 x <3 x float>], [6 x <3 x float>] addrspace(1)* %tmp2, i32 0, i32 %offset
%tmp33 = load <3 x float>, <3 x float> addrspace(1)* %tmp32, align 16
%tmp34 = extractelement <3 x float> %tmp33, i32 0
ret float %tmp34
}
; GCN-LABEL: {{^}}nonuniform_uniform_const:
; GCN-NOT: readfirstlane
; SICI: buffer_load_dword {{.*}} addr64
define amdgpu_ps float @nonuniform_uniform_const(i32 %arg18) {
.entry:
%tmp31 = sext i32 %arg18 to i64
%tmp32 = getelementptr [6 x <3 x float>], [6 x <3 x float>] addrspace(1)* @indexable, i64 0, i64 %tmp31, i64 1
%tmp33 = load float, float addrspace(1)* %tmp32, align 4
ret float %tmp33
}
; GCN-LABEL: {{^}}uniform_nonuniform_const:
; GCN-NOT: readfirstlane
; SICI: buffer_load_dword {{.*}} addr64
define amdgpu_ps float @uniform_nonuniform_const(i32 inreg %offset, i32 %arg18) {
.entry:
%tmp1 = zext i32 %arg18 to i64
%tmp2 = inttoptr i64 %tmp1 to [6 x <3 x float>] addrspace(1)*
%tmp32 = getelementptr [6 x <3 x float>], [6 x <3 x float>] addrspace(1)* %tmp2, i32 0, i32 %offset, i32 1
%tmp33 = load float, float addrspace(1)* %tmp32, align 4
ret float %tmp33
}
; GCN-LABEL: {{^}}nonuniform_nonuniform_const:
; GCN-NOT: readfirstlane
; SICI: buffer_load_dword {{.*}} addr64
define amdgpu_ps float @nonuniform_nonuniform_const(i32 %offset, i32 %arg18) {
.entry:
%tmp1 = zext i32 %arg18 to i64
%tmp2 = inttoptr i64 %tmp1 to [6 x <3 x float>] addrspace(1)*
%tmp32 = getelementptr [6 x <3 x float>], [6 x <3 x float>] addrspace(1)* %tmp2, i32 0, i32 %offset, i32 1
%tmp33 = load float, float addrspace(1)* %tmp32, align 4
ret float %tmp33
}
|