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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=instcombine -S | FileCheck %s
define <2 x float> @vtrn1(<2 x i32> %v)
; CHECK-LABEL: @vtrn1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = bitcast <2 x i32> [[V:%.*]] to <2 x float>
; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x float> [[TMP0]], <2 x float> poison, <2 x i32> zeroinitializer
; CHECK-NEXT: ret <2 x float> [[R]]
;
{
entry:
%vb1 = bitcast <2 x i32> %v to <2 x float>
%vb2 = bitcast <2 x i32> %v to <2 x float>
%r = shufflevector <2 x float> %vb1, <2 x float> %vb2, <2 x i32> <i32 0, i32 2>
ret <2 x float> %r
}
define <2 x float> @vtrn2(<2 x i32> %x, <2 x i32> %y) {
; CHECK-LABEL: @vtrn2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[R_UNCASTED:%.*]] = shufflevector <2 x i32> [[X:%.*]], <2 x i32> [[Y:%.*]], <2 x i32> <i32 1, i32 3>
; CHECK-NEXT: [[R:%.*]] = bitcast <2 x i32> [[R_UNCASTED]] to <2 x float>
; CHECK-NEXT: ret <2 x float> [[R]]
;
entry:
%xb = bitcast <2 x i32> %x to <2 x float>
%yb = bitcast <2 x i32> %y to <2 x float>
%r = shufflevector <2 x float> %xb, <2 x float> %yb, <2 x i32> <i32 1, i32 3>
ret <2 x float> %r
}
define <4 x float> @bc_shuf_lenchange(<2 x i32> %x, <2 x i32> %y) {
; CHECK-LABEL: @bc_shuf_lenchange(
; CHECK-NEXT: [[R_UNCASTED:%.*]] = shufflevector <2 x i32> [[X:%.*]], <2 x i32> [[Y:%.*]], <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT: [[R:%.*]] = bitcast <4 x i32> [[R_UNCASTED]] to <4 x float>
; CHECK-NEXT: ret <4 x float> [[R]]
;
%xb = bitcast <2 x i32> %x to <2 x float>
%yb = bitcast <2 x i32> %y to <2 x float>
%r = shufflevector <2 x float> %xb, <2 x float> %yb, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
ret <4 x float> %r
}
define <4 x float> @bc_shuf_nonvec(i64 %x, i64 %y) {
; CHECK-LABEL: @bc_shuf_nonvec(
; CHECK-NEXT: [[XB:%.*]] = bitcast i64 [[X:%.*]] to <2 x float>
; CHECK-NEXT: [[YB:%.*]] = bitcast i64 [[Y:%.*]] to <2 x float>
; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x float> [[XB]], <2 x float> [[YB]], <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT: ret <4 x float> [[R]]
;
%xb = bitcast i64 %x to <2 x float>
%yb = bitcast i64 %y to <2 x float>
%r = shufflevector <2 x float> %xb, <2 x float> %yb, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
ret <4 x float> %r
}
define <4 x double> @bc_shuf_size(<4 x i32> %x, <4 x i32> %y) {
; CHECK-LABEL: @bc_shuf_size(
; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <2 x double>
; CHECK-NEXT: [[YB:%.*]] = bitcast <4 x i32> [[Y:%.*]] to <2 x double>
; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x double> [[XB]], <2 x double> [[YB]], <4 x i32> <i32 1, i32 3, i32 0, i32 2>
; CHECK-NEXT: ret <4 x double> [[R]]
;
%xb = bitcast <4 x i32> %x to <2 x double>
%yb = bitcast <4 x i32> %y to <2 x double>
%r = shufflevector <2 x double> %xb, <2 x double> %yb, <4 x i32> <i32 1, i32 3, i32 0, i32 2>
ret <4 x double> %r
}
define <2 x double> @bc_shuf_mismatch(<4 x i32> %x, <2 x i64> %y) {
; CHECK-LABEL: @bc_shuf_mismatch(
; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <2 x double>
; CHECK-NEXT: [[YB:%.*]] = bitcast <2 x i64> [[Y:%.*]] to <2 x double>
; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x double> [[XB]], <2 x double> [[YB]], <2 x i32> <i32 1, i32 3>
; CHECK-NEXT: ret <2 x double> [[R]]
;
%xb = bitcast <4 x i32> %x to <2 x double>
%yb = bitcast <2 x i64> %y to <2 x double>
%r = shufflevector <2 x double> %xb, <2 x double> %yb, <2 x i32> <i32 1, i32 3>
ret <2 x double> %r
}
define <8 x half> @bc_shuf_i8_float(<8 x i8> %x, <8 x i8> %y) {
; CHECK-LABEL: @bc_shuf_i8_float(
; CHECK-NEXT: [[XB:%.*]] = bitcast <8 x i8> [[X:%.*]] to <4 x half>
; CHECK-NEXT: [[YB:%.*]] = bitcast <8 x i8> [[Y:%.*]] to <4 x half>
; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x half> [[XB]], <4 x half> [[YB]], <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
; CHECK-NEXT: ret <8 x half> [[R]]
;
%xb = bitcast <8 x i8> %x to <4 x half>
%yb = bitcast <8 x i8> %y to <4 x half>
%r = shufflevector <4 x half> %xb, <4 x half> %yb, <8 x i32> <i32 3, i32 2, i32 1, i32 0, i32 7, i32 6, i32 5, i32 4>
ret <8 x half> %r
}
define <4 x i16> @bc_shuf_elemtype_mismatch(<2 x half> %x, <2 x bfloat> %y) {
; CHECK-LABEL: @bc_shuf_elemtype_mismatch(
; CHECK-NEXT: [[XB:%.*]] = bitcast <2 x half> [[X:%.*]] to <2 x i16>
; CHECK-NEXT: [[YB:%.*]] = bitcast <2 x bfloat> [[Y:%.*]] to <2 x i16>
; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i16> [[XB]], <2 x i16> [[YB]], <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT: ret <4 x i16> [[R]]
;
%xb = bitcast <2 x half> %x to <2 x i16>
%yb = bitcast <2 x bfloat> %y to <2 x i16>
%r = shufflevector <2 x i16> %xb, <2 x i16> %yb, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
ret <4 x i16> %r
}
define <2 x float> @bc_shuf_reuse(<4 x i32> %x){
; CHECK-LABEL: @bc_shuf_reuse(
; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <4 x float>
; CHECK-NEXT: [[R:%.*]] = shufflevector <4 x float> [[XB]], <4 x float> poison, <2 x i32> zeroinitializer
; CHECK-NEXT: ret <2 x float> [[R]]
;
%xb = bitcast <4 x i32> %x to <4 x float>
%r = shufflevector <4 x float> %xb, <4 x float> %xb, <2 x i32> <i32 0, i32 4>
ret <2 x float> %r
}
define <4 x float> @bc_shuf_y_hasoneuse(<4 x i32> %x, <4 x i32> %y){
; CHECK-LABEL: @bc_shuf_y_hasoneuse(
; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <4 x float>
; CHECK-NEXT: [[SHUF_UNCASTED:%.*]] = shufflevector <4 x i32> [[X]], <4 x i32> [[Y:%.*]], <4 x i32> <i32 0, i32 1, i32 4, i32 5>
; CHECK-NEXT: [[SHUF:%.*]] = bitcast <4 x i32> [[SHUF_UNCASTED]] to <4 x float>
; CHECK-NEXT: [[R:%.*]] = fadd <4 x float> [[XB]], [[SHUF]]
; CHECK-NEXT: ret <4 x float> [[R]]
;
%xb = bitcast <4 x i32> %x to <4 x float>
%yb = bitcast <4 x i32> %y to <4 x float>
%shuf = shufflevector <4 x float> %xb, <4 x float> %yb, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
%r = fadd <4 x float> %xb, %shuf
ret <4 x float> %r
}
define <4 x float> @bc_shuf_neither_hasoneuse(<4 x i32> %x, <4 x i32> %y){
; CHECK-LABEL: @bc_shuf_neither_hasoneuse(
; CHECK-NEXT: [[XB:%.*]] = bitcast <4 x i32> [[X:%.*]] to <4 x float>
; CHECK-NEXT: [[YB:%.*]] = bitcast <4 x i32> [[Y:%.*]] to <4 x float>
; CHECK-NEXT: [[SHUF:%.*]] = shufflevector <4 x float> [[XB]], <4 x float> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
; CHECK-NEXT: [[SUM:%.*]] = fadd <4 x float> [[XB]], [[YB]]
; CHECK-NEXT: [[R:%.*]] = fadd <4 x float> [[SUM]], [[SHUF]]
; CHECK-NEXT: ret <4 x float> [[R]]
;
%xb = bitcast <4 x i32> %x to <4 x float>
%yb = bitcast <4 x i32> %y to <4 x float>
%shuf = shufflevector <4 x float> %xb, <4 x float> %xb, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
%sum = fadd <4 x float> %xb, %yb
%r = fadd <4 x float> %sum, %shuf
ret <4 x float> %r
}
|