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
|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn -mcpu=tahiti -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX6 %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX9 %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX9 %s
# RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck -check-prefix=GFX9 %s
---
name: smax_neg_abs_pattern_s32_ss
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $sgpr0
; GFX6-LABEL: name: smax_neg_abs_pattern_s32_ss
; GFX6: liveins: $sgpr0
; GFX6-NEXT: {{ $}}
; GFX6-NEXT: %src0:sreg_32 = COPY $sgpr0
; GFX6-NEXT: %smax:sreg_32 = S_ABS_I32 %src0, implicit-def dead $scc
; GFX6-NEXT: S_ENDPGM 0, implicit %smax
;
; GFX9-LABEL: name: smax_neg_abs_pattern_s32_ss
; GFX9: liveins: $sgpr0
; GFX9-NEXT: {{ $}}
; GFX9-NEXT: %src0:sreg_32 = COPY $sgpr0
; GFX9-NEXT: %smax:sreg_32 = S_ABS_I32 %src0, implicit-def dead $scc
; GFX9-NEXT: S_ENDPGM 0, implicit %smax
%src0:sgpr(s32) = COPY $sgpr0
%zero:sgpr(s32) = G_CONSTANT i32 0
%ineg:sgpr(s32) = G_SUB %zero, %src0
%smax:sgpr(s32) = G_SMAX %src0, %ineg
S_ENDPGM 0, implicit %smax
...
---
name: smax_neg_abs_pattern_s32_ss_commute
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $sgpr0
; GFX6-LABEL: name: smax_neg_abs_pattern_s32_ss_commute
; GFX6: liveins: $sgpr0
; GFX6-NEXT: {{ $}}
; GFX6-NEXT: %src0:sreg_32 = COPY $sgpr0
; GFX6-NEXT: %smax:sreg_32 = S_ABS_I32 %src0, implicit-def dead $scc
; GFX6-NEXT: S_ENDPGM 0, implicit %smax
;
; GFX9-LABEL: name: smax_neg_abs_pattern_s32_ss_commute
; GFX9: liveins: $sgpr0
; GFX9-NEXT: {{ $}}
; GFX9-NEXT: %src0:sreg_32 = COPY $sgpr0
; GFX9-NEXT: %smax:sreg_32 = S_ABS_I32 %src0, implicit-def dead $scc
; GFX9-NEXT: S_ENDPGM 0, implicit %smax
%src0:sgpr(s32) = COPY $sgpr0
%zero:sgpr(s32) = G_CONSTANT i32 0
%ineg:sgpr(s32) = G_SUB %zero, %src0
%smax:sgpr(s32) = G_SMAX %ineg, %src0
S_ENDPGM 0, implicit %smax
...
---
name: smax_neg_abs_pattern_s32_vv
legalized: true
regBankSelected: true
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0
; GFX6-LABEL: name: smax_neg_abs_pattern_s32_vv
; GFX6: liveins: $vgpr0
; GFX6-NEXT: {{ $}}
; GFX6-NEXT: %src0:vgpr_32 = COPY $vgpr0
; GFX6-NEXT: %zero:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
; GFX6-NEXT: %ineg:vgpr_32, dead %4:sreg_64 = V_SUB_CO_U32_e64 %zero, %src0, 0, implicit $exec
; GFX6-NEXT: %smax:vgpr_32 = V_MAX_I32_e64 %src0, %ineg, implicit $exec
; GFX6-NEXT: S_ENDPGM 0, implicit %smax
;
; GFX9-LABEL: name: smax_neg_abs_pattern_s32_vv
; GFX9: liveins: $vgpr0
; GFX9-NEXT: {{ $}}
; GFX9-NEXT: %src0:vgpr_32 = COPY $vgpr0
; GFX9-NEXT: %zero:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
; GFX9-NEXT: %ineg:vgpr_32 = V_SUB_U32_e64 %zero, %src0, 0, implicit $exec
; GFX9-NEXT: %smax:vgpr_32 = V_MAX_I32_e64 %src0, %ineg, implicit $exec
; GFX9-NEXT: S_ENDPGM 0, implicit %smax
%src0:vgpr(s32) = COPY $vgpr0
%zero:vgpr(s32) = G_CONSTANT i32 0
%ineg:vgpr(s32) = G_SUB %zero, %src0
%smax:vgpr(s32) = G_SMAX %src0, %ineg
S_ENDPGM 0, implicit %smax
...
# FIXME: Violates constant bus restriction
# ---
# name: smax_neg_abs_pattern_s32_vs
# legalized: true
# regBankSelected: true
# body: |
# bb.0:
# liveins: $sgpr0
# %src0:sgpr(s32) = COPY $sgpr0
# %zero:sgpr(s32) = G_CONSTANT i32 0
# %ineg:sgpr(s32) = G_SUB %zero, %src0
# %smax:vgpr(s32) = G_SMAX %src0, %ineg
# S_ENDPGM 0, implicit %smax
# ...
|
