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
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=sse2 | FileCheck %s --check-prefixes=CHECK,SSE
; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=avx2 | FileCheck %s --check-prefixes=CHECK,AVX
; Fold "shuffle (binop (shuffle, shuffle)), undef" --> "binop (shuffle), (shuffle)"
declare void @use_v4f64(<4 x double>)
define <4 x double> @fadd_v4f64(<4 x double> %a, <4 x double> %b) {
; CHECK-LABEL: define <4 x double> @fadd_v4f64(
; CHECK-SAME: <4 x double> [[A:%.*]], <4 x double> [[B:%.*]]) #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x double> [[A]], <4 x double> poison, <4 x i32> <i32 2, i32 3, i32 0, i32 1>
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x double> [[B]], <4 x double> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
; CHECK-NEXT: [[POST:%.*]] = fadd <4 x double> [[TMP1]], [[TMP2]]
; CHECK-NEXT: ret <4 x double> [[POST]]
;
%a1 = shufflevector <4 x double> %a, <4 x double> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
%b1 = shufflevector <4 x double> %b, <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
%op = fadd <4 x double> %a1, %b1
%post = shufflevector <4 x double> %op, <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
ret <4 x double> %post
}
define <4 x double> @fadd_v4f64_poison_idx(<4 x double> %a, <4 x double> %b) {
; CHECK-LABEL: define <4 x double> @fadd_v4f64_poison_idx(
; CHECK-SAME: <4 x double> [[A:%.*]], <4 x double> [[B:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x double> [[A]], <4 x double> poison, <4 x i32> <i32 2, i32 3, i32 0, i32 poison>
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x double> [[B]], <4 x double> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 poison>
; CHECK-NEXT: [[POST:%.*]] = fadd <4 x double> [[TMP1]], [[TMP2]]
; CHECK-NEXT: ret <4 x double> [[POST]]
;
%a1 = shufflevector <4 x double> %a, <4 x double> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
%b1 = shufflevector <4 x double> %b, <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
%op = fadd <4 x double> %a1, %b1
%post = shufflevector <4 x double> %op, <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 4>
ret <4 x double> %post
}
define <4 x double> @fadd_v4f64_mixed_types(<4 x double> %a, <2 x double> %b) {
; CHECK-LABEL: define <4 x double> @fadd_v4f64_mixed_types(
; CHECK-SAME: <4 x double> [[A:%.*]], <2 x double> [[B:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x double> [[A]], <4 x double> poison, <4 x i32> <i32 2, i32 3, i32 0, i32 1>
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <2 x double> [[B]], <2 x double> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
; CHECK-NEXT: [[POST:%.*]] = fadd <4 x double> [[TMP1]], [[TMP2]]
; CHECK-NEXT: ret <4 x double> [[POST]]
;
%a1 = shufflevector <4 x double> %a, <4 x double> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
%b1 = shufflevector <2 x double> %b, <2 x double> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
%op = fadd <4 x double> %a1, %b1
%post = shufflevector <4 x double> %op, <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
ret <4 x double> %post
}
define <4 x float> @fadd_v4f32_mixed_types(<4 x float> %a0) {
; CHECK-LABEL: define <4 x float> @fadd_v4f32_mixed_types(
; CHECK-SAME: <4 x float> [[A0:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x float> [[A0]], <4 x float> zeroinitializer, <4 x i32> <i32 1, i32 5, i32 poison, i32 poison>
; CHECK-NEXT: [[POST:%.*]] = fmul <4 x float> [[TMP1]], <float 0.000000e+00, float 0.000000e+00, float undef, float undef>
; CHECK-NEXT: ret <4 x float> [[POST]]
;
%pre = shufflevector <4 x float> %a0, <4 x float> zeroinitializer, <2 x i32> <i32 1, i32 5>
%op = fmul <2 x float> %pre, zeroinitializer
%post = shufflevector <2 x float> %op, <2 x float> poison, <4 x i32> <i32 0, i32 1, i32 poison, i32 poison>
ret <4 x float> %post
}
; Negative test - multiple use of fadd
define <4 x double> @fadd_v4f64_multiuse_op(<4 x double> %a, <4 x double> %b) {
; CHECK-LABEL: define <4 x double> @fadd_v4f64_multiuse_op(
; CHECK-SAME: <4 x double> [[A:%.*]], <4 x double> [[B:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[A1:%.*]] = shufflevector <4 x double> [[A]], <4 x double> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT: [[B1:%.*]] = shufflevector <4 x double> [[B]], <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
; CHECK-NEXT: [[OP:%.*]] = fadd <4 x double> [[A1]], [[B1]]
; CHECK-NEXT: [[POST:%.*]] = shufflevector <4 x double> [[OP]], <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
; CHECK-NEXT: call void @use_v4f64(<4 x double> [[OP]])
; CHECK-NEXT: ret <4 x double> [[POST]]
;
%a1 = shufflevector <4 x double> %a, <4 x double> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
%b1 = shufflevector <4 x double> %b, <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
%op = fadd <4 x double> %a1, %b1
%post = shufflevector <4 x double> %op, <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
call void @use_v4f64(<4 x double> %op)
ret <4 x double> %post
}
; Negative test - multiple use of inner shuffle (only fold if the moved shuffle is cheaper).
define <4 x double> @fadd_v4f64_multiuse_shuffle(<4 x double> %a, <4 x double> %b) {
; SSE-LABEL: define <4 x double> @fadd_v4f64_multiuse_shuffle(
; SSE-SAME: <4 x double> [[A:%.*]], <4 x double> [[B:%.*]]) #[[ATTR0]] {
; SSE-NEXT: [[A1:%.*]] = shufflevector <4 x double> [[A]], <4 x double> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; SSE-NEXT: [[TMP1:%.*]] = shufflevector <4 x double> [[A]], <4 x double> poison, <4 x i32> <i32 2, i32 3, i32 0, i32 1>
; SSE-NEXT: [[TMP2:%.*]] = shufflevector <4 x double> [[B]], <4 x double> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
; SSE-NEXT: [[POST:%.*]] = fadd <4 x double> [[TMP1]], [[TMP2]]
; SSE-NEXT: call void @use_v4f64(<4 x double> [[A1]])
; SSE-NEXT: ret <4 x double> [[POST]]
;
; AVX-LABEL: define <4 x double> @fadd_v4f64_multiuse_shuffle(
; AVX-SAME: <4 x double> [[A:%.*]], <4 x double> [[B:%.*]]) #[[ATTR0]] {
; AVX-NEXT: [[A1:%.*]] = shufflevector <4 x double> [[A]], <4 x double> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; AVX-NEXT: [[B1:%.*]] = shufflevector <4 x double> [[B]], <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
; AVX-NEXT: [[OP:%.*]] = fadd <4 x double> [[A1]], [[B1]]
; AVX-NEXT: [[POST:%.*]] = shufflevector <4 x double> [[OP]], <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
; AVX-NEXT: call void @use_v4f64(<4 x double> [[A1]])
; AVX-NEXT: ret <4 x double> [[POST]]
;
%a1 = shufflevector <4 x double> %a, <4 x double> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
%b1 = shufflevector <4 x double> %b, <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
%op = fadd <4 x double> %a1, %b1
%post = shufflevector <4 x double> %op, <4 x double> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 2>
call void @use_v4f64(<4 x double> %a1)
ret <4 x double> %post
}
define <4 x i32> @sdiv_v4i32(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: define <4 x i32> @sdiv_v4i32(
; CHECK-SAME: <4 x i32> [[A:%.*]], <4 x i32> [[B:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[TMP1:%.*]] = shufflevector <4 x i32> [[A]], <4 x i32> poison, <4 x i32> <i32 2, i32 3, i32 0, i32 3>
; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <4 x i32> [[B]], <4 x i32> poison, <4 x i32> <i32 0, i32 1, i32 0, i32 1>
; CHECK-NEXT: [[POST:%.*]] = sdiv <4 x i32> [[TMP1]], [[TMP2]]
; CHECK-NEXT: ret <4 x i32> [[POST]]
;
%a1 = shufflevector <4 x i32> %a, <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
%b1 = shufflevector <4 x i32> %b, <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
%op = sdiv <4 x i32> %a1, %b1
%post = shufflevector <4 x i32> %op, <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 0>
ret <4 x i32> %post
}
; Negative test - don't introduce poison element into div/rem instruction
define <4 x i32> @sdiv_v4i32_poison(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: define <4 x i32> @sdiv_v4i32_poison(
; CHECK-SAME: <4 x i32> [[A:%.*]], <4 x i32> [[B:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[A1:%.*]] = shufflevector <4 x i32> [[A]], <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT: [[B1:%.*]] = shufflevector <4 x i32> [[B]], <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
; CHECK-NEXT: [[OP:%.*]] = sdiv <4 x i32> [[A1]], [[B1]]
; CHECK-NEXT: [[POST:%.*]] = shufflevector <4 x i32> [[OP]], <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 poison>
; CHECK-NEXT: ret <4 x i32> [[POST]]
;
%a1 = shufflevector <4 x i32> %a, <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
%b1 = shufflevector <4 x i32> %b, <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
%op = sdiv <4 x i32> %a1, %b1
%post = shufflevector <4 x i32> %op, <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 poison>
ret <4 x i32> %post
}
; Negative test - don't introduce poison element into div/rem instruction
define <4 x i32> @sdiv_v4i32_poison_idx(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: define <4 x i32> @sdiv_v4i32_poison_idx(
; CHECK-SAME: <4 x i32> [[A:%.*]], <4 x i32> [[B:%.*]]) #[[ATTR0]] {
; CHECK-NEXT: [[A1:%.*]] = shufflevector <4 x i32> [[A]], <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
; CHECK-NEXT: [[B1:%.*]] = shufflevector <4 x i32> [[B]], <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
; CHECK-NEXT: [[OP:%.*]] = sdiv <4 x i32> [[A1]], [[B1]]
; CHECK-NEXT: [[POST:%.*]] = shufflevector <4 x i32> [[OP]], <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 4>
; CHECK-NEXT: ret <4 x i32> [[POST]]
;
%a1 = shufflevector <4 x i32> %a, <4 x i32> poison, <4 x i32> <i32 3, i32 2, i32 1, i32 0>
%b1 = shufflevector <4 x i32> %b, <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 1, i32 0>
%op = sdiv <4 x i32> %a1, %b1
%post = shufflevector <4 x i32> %op, <4 x i32> poison, <4 x i32> <i32 1, i32 0, i32 3, i32 4>
ret <4 x i32> %post
}
|
