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comparison test/Transforms/InstCombine/vector-concat-binop.ll @ 147:c2174574ed3a

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LLVM 10
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 16:55:33 +0900
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134:3a76565eade5 147:c2174574ed3a
1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -S -instcombine %s | FileCheck %s
3
4 define <4 x i8> @add(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
5 ; CHECK-LABEL: @add(
6 ; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i8> [[A:%.*]], [[C:%.*]]
7 ; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i8> [[B:%.*]], [[D:%.*]]
8 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i8> [[TMP1]], <2 x i8> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
9 ; CHECK-NEXT: ret <4 x i8> [[R]]
10 ;
11 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
12 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
13 %r = and <4 x i8> %concat1, %concat2
14 ret <4 x i8> %r
15 }
16
17 ; Flags should propagate.
18
19 define <4 x i8> @sub(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
20 ; CHECK-LABEL: @sub(
21 ; CHECK-NEXT: [[TMP1:%.*]] = sub nsw <2 x i8> [[A:%.*]], [[C:%.*]]
22 ; CHECK-NEXT: [[TMP2:%.*]] = sub nsw <2 x i8> [[B:%.*]], [[D:%.*]]
23 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i8> [[TMP1]], <2 x i8> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
24 ; CHECK-NEXT: ret <4 x i8> [[R]]
25 ;
26 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
27 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
28 %r = sub nsw <4 x i8> %concat1, %concat2
29 ret <4 x i8> %r
30 }
31
32 ; Flags should propagate.
33
34 define <4 x i8> @mul(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
35 ; CHECK-LABEL: @mul(
36 ; CHECK-NEXT: [[TMP1:%.*]] = mul nuw <2 x i8> [[A:%.*]], [[C:%.*]]
37 ; CHECK-NEXT: [[TMP2:%.*]] = mul nuw <2 x i8> [[B:%.*]], [[D:%.*]]
38 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i8> [[TMP1]], <2 x i8> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
39 ; CHECK-NEXT: ret <4 x i8> [[R]]
40 ;
41 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
42 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
43 %r = mul nuw <4 x i8> %concat1, %concat2
44 ret <4 x i8> %r
45 }
46
47 ; Undef in shuffle mask does not necessarily propagate.
48
49 define <4 x i8> @and(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
50 ; CHECK-LABEL: @and(
51 ; CHECK-NEXT: [[CONCAT1:%.*]] = shufflevector <2 x i8> [[A:%.*]], <2 x i8> [[B:%.*]], <4 x i32> <i32 undef, i32 1, i32 2, i32 3>
52 ; CHECK-NEXT: [[CONCAT2:%.*]] = shufflevector <2 x i8> [[C:%.*]], <2 x i8> [[D:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
53 ; CHECK-NEXT: [[R:%.*]] = and <4 x i8> [[CONCAT1]], [[CONCAT2]]
54 ; CHECK-NEXT: ret <4 x i8> [[R]]
55 ;
56 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 undef, i32 1, i32 2, i32 3>
57 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
58 %r = and <4 x i8> %concat1, %concat2
59 ret <4 x i8> %r
60 }
61
62 ; Undef in shuffle mask does not necessarily propagate.
63
64 define <4 x i8> @or(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
65 ; CHECK-LABEL: @or(
66 ; CHECK-NEXT: [[CONCAT1:%.*]] = shufflevector <2 x i8> [[A:%.*]], <2 x i8> [[B:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
67 ; CHECK-NEXT: [[CONCAT2:%.*]] = shufflevector <2 x i8> [[C:%.*]], <2 x i8> [[D:%.*]], <4 x i32> <i32 0, i32 undef, i32 2, i32 3>
68 ; CHECK-NEXT: [[R:%.*]] = or <4 x i8> [[CONCAT1]], [[CONCAT2]]
69 ; CHECK-NEXT: ret <4 x i8> [[R]]
70 ;
71 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
72 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 undef, i32 2, i32 3>
73 %r = or <4 x i8> %concat1, %concat2
74 ret <4 x i8> %r
75 }
76
77 ; Undefs in shuffle mask do not necessarily propagate.
78
79 define <4 x i8> @xor(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
80 ; CHECK-LABEL: @xor(
81 ; CHECK-NEXT: [[CONCAT1:%.*]] = shufflevector <2 x i8> [[A:%.*]], <2 x i8> [[B:%.*]], <4 x i32> <i32 0, i32 undef, i32 2, i32 3>
82 ; CHECK-NEXT: [[CONCAT2:%.*]] = shufflevector <2 x i8> [[C:%.*]], <2 x i8> [[D:%.*]], <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
83 ; CHECK-NEXT: [[R:%.*]] = xor <4 x i8> [[CONCAT1]], [[CONCAT2]]
84 ; CHECK-NEXT: ret <4 x i8> [[R]]
85 ;
86 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 undef, i32 2, i32 3>
87 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
88 %r = xor <4 x i8> %concat1, %concat2
89 ret <4 x i8> %r
90 }
91
92 define <4 x i8> @shl(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
93 ; CHECK-LABEL: @shl(
94 ; CHECK-NEXT: [[TMP1:%.*]] = shl nuw <2 x i8> [[A:%.*]], [[C:%.*]]
95 ; CHECK-NEXT: [[TMP2:%.*]] = shl nuw <2 x i8> [[B:%.*]], [[D:%.*]]
96 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i8> [[TMP1]], <2 x i8> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
97 ; CHECK-NEXT: ret <4 x i8> [[R]]
98 ;
99 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
100 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
101 %r = shl nuw <4 x i8> %concat1, %concat2
102 ret <4 x i8> %r
103 }
104
105 define <4 x i8> @lshr(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
106 ; CHECK-LABEL: @lshr(
107 ; CHECK-NEXT: [[TMP1:%.*]] = lshr exact <2 x i8> [[A:%.*]], [[C:%.*]]
108 ; CHECK-NEXT: [[TMP2:%.*]] = lshr exact <2 x i8> [[B:%.*]], [[D:%.*]]
109 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i8> [[TMP1]], <2 x i8> [[TMP2]], <4 x i32> <i32 0, i32 undef, i32 undef, i32 3>
110 ; CHECK-NEXT: ret <4 x i8> [[R]]
111 ;
112 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 undef, i32 undef, i32 3>
113 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 undef, i32 undef, i32 3>
114 %r = lshr exact <4 x i8> %concat1, %concat2
115 ret <4 x i8> %r
116 }
117
118 ; Extra-uses prevent the transform.
119 declare void @use(<4 x i8>)
120
121 define <4 x i8> @ashr(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
122 ; CHECK-LABEL: @ashr(
123 ; CHECK-NEXT: [[CONCAT1:%.*]] = shufflevector <2 x i8> [[A:%.*]], <2 x i8> [[B:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
124 ; CHECK-NEXT: call void @use(<4 x i8> [[CONCAT1]])
125 ; CHECK-NEXT: [[CONCAT2:%.*]] = shufflevector <2 x i8> [[C:%.*]], <2 x i8> [[D:%.*]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
126 ; CHECK-NEXT: [[R:%.*]] = ashr <4 x i8> [[CONCAT1]], [[CONCAT2]]
127 ; CHECK-NEXT: ret <4 x i8> [[R]]
128 ;
129 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
130 call void @use(<4 x i8> %concat1)
131 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
132 %r = ashr <4 x i8> %concat1, %concat2
133 ret <4 x i8> %r
134 }
135
136 ; TODO: Div/rem with undef in any element in the divisor is undef, so this should be simplified away?
137
138 define <4 x i8> @sdiv(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
139 ; CHECK-LABEL: @sdiv(
140 ; CHECK-NEXT: [[TMP1:%.*]] = sdiv exact <2 x i8> [[A:%.*]], [[C:%.*]]
141 ; CHECK-NEXT: [[TMP2:%.*]] = sdiv exact <2 x i8> [[B:%.*]], [[D:%.*]]
142 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i8> [[TMP1]], <2 x i8> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
143 ; CHECK-NEXT: ret <4 x i8> [[R]]
144 ;
145 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
146 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
147 %r = sdiv exact <4 x i8> %concat1, %concat2
148 ret <4 x i8> %r
149 }
150
151 define <4 x i8> @srem(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
152 ; CHECK-LABEL: @srem(
153 ; CHECK-NEXT: [[TMP1:%.*]] = srem <2 x i8> [[A:%.*]], [[C:%.*]]
154 ; CHECK-NEXT: [[TMP2:%.*]] = srem <2 x i8> [[B:%.*]], [[D:%.*]]
155 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i8> [[TMP1]], <2 x i8> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
156 ; CHECK-NEXT: ret <4 x i8> [[R]]
157 ;
158 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
159 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
160 %r = srem <4 x i8> %concat1, %concat2
161 ret <4 x i8> %r
162 }
163
164 define <4 x i8> @udiv(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
165 ; CHECK-LABEL: @udiv(
166 ; CHECK-NEXT: [[TMP1:%.*]] = udiv exact <2 x i8> [[A:%.*]], [[C:%.*]]
167 ; CHECK-NEXT: [[TMP2:%.*]] = udiv exact <2 x i8> [[B:%.*]], [[D:%.*]]
168 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i8> [[TMP1]], <2 x i8> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
169 ; CHECK-NEXT: ret <4 x i8> [[R]]
170 ;
171 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
172 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
173 %r = udiv exact <4 x i8> %concat1, %concat2
174 ret <4 x i8> %r
175 }
176
177 ; TODO: Div/rem with undef in any element in the divisor is undef, so this should be simplified away?
178
179 define <4 x i8> @urem(<2 x i8> %a, <2 x i8> %b, <2 x i8> %c, <2 x i8> %d) {
180 ; CHECK-LABEL: @urem(
181 ; CHECK-NEXT: [[TMP1:%.*]] = urem <2 x i8> [[A:%.*]], [[C:%.*]]
182 ; CHECK-NEXT: [[TMP2:%.*]] = urem <2 x i8> [[B:%.*]], [[D:%.*]]
183 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x i8> [[TMP1]], <2 x i8> [[TMP2]], <4 x i32> <i32 undef, i32 1, i32 2, i32 3>
184 ; CHECK-NEXT: ret <4 x i8> [[R]]
185 ;
186 %concat1 = shufflevector <2 x i8> %a, <2 x i8> %b, <4 x i32> <i32 undef, i32 1, i32 2, i32 3>
187 %concat2 = shufflevector <2 x i8> %c, <2 x i8> %d, <4 x i32> <i32 undef, i32 1, i32 2, i32 3>
188 %r = urem <4 x i8> %concat1, %concat2
189 ret <4 x i8> %r
190 }
191
192 define <4 x float> @fadd(<2 x float> %a, <2 x float> %b, <2 x float> %c, <2 x float> %d) {
193 ; CHECK-LABEL: @fadd(
194 ; CHECK-NEXT: [[TMP1:%.*]] = fadd <2 x float> [[A:%.*]], [[C:%.*]]
195 ; CHECK-NEXT: [[TMP2:%.*]] = fadd <2 x float> [[B:%.*]], [[D:%.*]]
196 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x float> [[TMP1]], <2 x float> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
197 ; CHECK-NEXT: ret <4 x float> [[R]]
198 ;
199 %concat1 = shufflevector <2 x float> %a, <2 x float> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
200 %concat2 = shufflevector <2 x float> %c, <2 x float> %d, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
201 %r = fadd <4 x float> %concat1, %concat2
202 ret <4 x float> %r
203 }
204
205 ; Fast-math-flags propagate.
206
207 define <4 x float> @fsub(<2 x float> %a, <2 x float> %b, <2 x float> %c, <2 x float> %d) {
208 ; CHECK-LABEL: @fsub(
209 ; CHECK-NEXT: [[TMP1:%.*]] = fsub fast <2 x float> [[A:%.*]], [[C:%.*]]
210 ; CHECK-NEXT: [[TMP2:%.*]] = fsub fast <2 x float> [[B:%.*]], [[D:%.*]]
211 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x float> [[TMP1]], <2 x float> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
212 ; CHECK-NEXT: ret <4 x float> [[R]]
213 ;
214 %concat1 = shufflevector <2 x float> %a, <2 x float> %b, <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
215 %concat2 = shufflevector <2 x float> %c, <2 x float> %d, <4 x i32> <i32 0, i32 1, i32 undef, i32 3>
216 %r = fsub fast <4 x float> %concat1, %concat2
217 ret <4 x float> %r
218 }
219
220 ; Extra-uses prevent the transform.
221 declare void @use2(<4 x float>)
222
223 define <4 x float> @fmul(<2 x float> %a, <2 x float> %b, <2 x float> %c, <2 x float> %d) {
224 ; CHECK-LABEL: @fmul(
225 ; CHECK-NEXT: [[CONCAT1:%.*]] = shufflevector <2 x float> [[A:%.*]], <2 x float> [[B:%.*]], <4 x i32> <i32 undef, i32 1, i32 undef, i32 3>
226 ; CHECK-NEXT: [[CONCAT2:%.*]] = shufflevector <2 x float> [[C:%.*]], <2 x float> [[D:%.*]], <4 x i32> <i32 undef, i32 1, i32 undef, i32 3>
227 ; CHECK-NEXT: call void @use2(<4 x float> [[CONCAT2]])
228 ; CHECK-NEXT: [[R:%.*]] = fmul nnan <4 x float> [[CONCAT1]], [[CONCAT2]]
229 ; CHECK-NEXT: ret <4 x float> [[R]]
230 ;
231 %concat1 = shufflevector <2 x float> %a, <2 x float> %b, <4 x i32> <i32 undef, i32 1, i32 undef, i32 3>
232 %concat2 = shufflevector <2 x float> %c, <2 x float> %d, <4 x i32> <i32 undef, i32 1, i32 undef, i32 3>
233 call void @use2(<4 x float> %concat2)
234 %r = fmul nnan <4 x float> %concat1, %concat2
235 ret <4 x float> %r
236 }
237
238 ; Fast-math-flags propagate.
239
240 define <4 x float> @fdiv(<2 x float> %a, <2 x float> %b, <2 x float> %c, <2 x float> %d) {
241 ; CHECK-LABEL: @fdiv(
242 ; CHECK-NEXT: [[TMP1:%.*]] = fdiv ninf arcp <2 x float> [[A:%.*]], [[C:%.*]]
243 ; CHECK-NEXT: [[TMP2:%.*]] = fdiv ninf arcp <2 x float> [[B:%.*]], [[D:%.*]]
244 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x float> [[TMP1]], <2 x float> [[TMP2]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
245 ; CHECK-NEXT: ret <4 x float> [[R]]
246 ;
247 %concat1 = shufflevector <2 x float> %a, <2 x float> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
248 %concat2 = shufflevector <2 x float> %c, <2 x float> %d, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
249 %r = fdiv ninf arcp <4 x float> %concat1, %concat2
250 ret <4 x float> %r
251 }
252
253 define <4 x float> @frem(<2 x float> %a, <2 x float> %b, <2 x float> %c, <2 x float> %d) {
254 ; CHECK-LABEL: @frem(
255 ; CHECK-NEXT: [[TMP1:%.*]] = frem <2 x float> [[A:%.*]], [[C:%.*]]
256 ; CHECK-NEXT: [[TMP2:%.*]] = frem <2 x float> [[B:%.*]], [[D:%.*]]
257 ; CHECK-NEXT: [[R:%.*]] = shufflevector <2 x float> [[TMP1]], <2 x float> [[TMP2]], <4 x i32> <i32 0, i32 undef, i32 2, i32 3>
258 ; CHECK-NEXT: ret <4 x float> [[R]]
259 ;
260 %concat1 = shufflevector <2 x float> %a, <2 x float> %b, <4 x i32> <i32 0, i32 undef, i32 2, i32 3>
261 %concat2 = shufflevector <2 x float> %c, <2 x float> %d, <4 x i32> <i32 0, i32 undef, i32 2, i32 3>
262 %r = frem <4 x float> %concat1, %concat2
263 ret <4 x float> %r
264 }
265
266 ; https://bugs.llvm.org/show_bug.cgi?id=33026 - all of the shuffles can be eliminated.
267
268 define <4 x i32> @PR33026(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c, <4 x i32> %d) {
269 ; CHECK-LABEL: @PR33026(
270 ; CHECK-NEXT: [[TMP1:%.*]] = and <4 x i32> [[A:%.*]], [[C:%.*]]
271 ; CHECK-NEXT: [[TMP2:%.*]] = and <4 x i32> [[B:%.*]], [[D:%.*]]
272 ; CHECK-NEXT: [[SUB:%.*]] = sub <4 x i32> [[TMP1]], [[TMP2]]
273 ; CHECK-NEXT: ret <4 x i32> [[SUB]]
274 ;
275 %concat1 = shufflevector <4 x i32> %a, <4 x i32> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
276 %concat2 = shufflevector <4 x i32> %c, <4 x i32> %d, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
277 %and = and <8 x i32> %concat1, %concat2
278 %extract1 = shufflevector <8 x i32> %and, <8 x i32> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
279 %extract2 = shufflevector <8 x i32> %and, <8 x i32> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
280 %sub = sub <4 x i32> %extract1, %extract2
281 ret <4 x i32> %sub
282 }