xref: /llvm-project/llvm/test/Transforms/VectorCombine/X86/extract-cmp-binop.ll (revision 89ca3e72ca03efbbfb5ae9b1c71d81f2d1753521)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=sse2 | FileCheck %s --check-prefixes=CHECK,SSE
3; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=avx2 | FileCheck %s --check-prefixes=CHECK,AVX
4
5define i1 @fcmp_and_v2f64(<2 x double> %a) {
6; SSE-LABEL: @fcmp_and_v2f64(
7; SSE-NEXT:    [[E1:%.*]] = extractelement <2 x double> [[A:%.*]], i32 0
8; SSE-NEXT:    [[E2:%.*]] = extractelement <2 x double> [[A]], i32 1
9; SSE-NEXT:    [[CMP1:%.*]] = fcmp olt double [[E1]], 4.200000e+01
10; SSE-NEXT:    [[CMP2:%.*]] = fcmp olt double [[E2]], -8.000000e+00
11; SSE-NEXT:    [[R:%.*]] = and i1 [[CMP1]], [[CMP2]]
12; SSE-NEXT:    ret i1 [[R]]
13;
14; AVX-LABEL: @fcmp_and_v2f64(
15; AVX-NEXT:    [[TMP1:%.*]] = fcmp olt <2 x double> [[A:%.*]], <double 4.200000e+01, double -8.000000e+00>
16; AVX-NEXT:    [[SHIFT:%.*]] = shufflevector <2 x i1> [[TMP1]], <2 x i1> poison, <2 x i32> <i32 1, i32 poison>
17; AVX-NEXT:    [[TMP2:%.*]] = and <2 x i1> [[TMP1]], [[SHIFT]]
18; AVX-NEXT:    [[R:%.*]] = extractelement <2 x i1> [[TMP2]], i64 0
19; AVX-NEXT:    ret i1 [[R]]
20;
21  %e1 = extractelement <2 x double> %a, i32 0
22  %e2 = extractelement <2 x double> %a, i32 1
23  %cmp1 = fcmp olt double %e1, 42.0
24  %cmp2 = fcmp olt double %e2, -8.0
25  %r = and i1 %cmp1, %cmp2
26  ret i1 %r
27}
28
29define i1 @fcmp_or_v4f64(<4 x double> %a) {
30; SSE-LABEL: @fcmp_or_v4f64(
31; SSE-NEXT:    [[E1:%.*]] = extractelement <4 x double> [[A:%.*]], i32 0
32; SSE-NEXT:    [[E2:%.*]] = extractelement <4 x double> [[A]], i64 2
33; SSE-NEXT:    [[CMP1:%.*]] = fcmp olt double [[E1]], 4.200000e+01
34; SSE-NEXT:    [[CMP2:%.*]] = fcmp olt double [[E2]], -8.000000e+00
35; SSE-NEXT:    [[R:%.*]] = or i1 [[CMP1]], [[CMP2]]
36; SSE-NEXT:    ret i1 [[R]]
37;
38; AVX-LABEL: @fcmp_or_v4f64(
39; AVX-NEXT:    [[TMP1:%.*]] = fcmp olt <4 x double> [[A:%.*]], <double 4.200000e+01, double poison, double -8.000000e+00, double poison>
40; AVX-NEXT:    [[SHIFT:%.*]] = shufflevector <4 x i1> [[TMP1]], <4 x i1> poison, <4 x i32> <i32 2, i32 poison, i32 poison, i32 poison>
41; AVX-NEXT:    [[TMP2:%.*]] = or <4 x i1> [[TMP1]], [[SHIFT]]
42; AVX-NEXT:    [[R:%.*]] = extractelement <4 x i1> [[TMP2]], i64 0
43; AVX-NEXT:    ret i1 [[R]]
44;
45  %e1 = extractelement <4 x double> %a, i32 0
46  %e2 = extractelement <4 x double> %a, i64 2
47  %cmp1 = fcmp olt double %e1, 42.0
48  %cmp2 = fcmp olt double %e2, -8.0
49  %r = or i1 %cmp1, %cmp2
50  ret i1 %r
51}
52
53define i1 @icmp_xor_v4i32(<4 x i32> %a) {
54; CHECK-LABEL: @icmp_xor_v4i32(
55; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt <4 x i32> [[A:%.*]], <i32 poison, i32 -8, i32 poison, i32 42>
56; CHECK-NEXT:    [[SHIFT:%.*]] = shufflevector <4 x i1> [[TMP1]], <4 x i1> poison, <4 x i32> <i32 poison, i32 3, i32 poison, i32 poison>
57; CHECK-NEXT:    [[TMP2:%.*]] = xor <4 x i1> [[SHIFT]], [[TMP1]]
58; CHECK-NEXT:    [[R:%.*]] = extractelement <4 x i1> [[TMP2]], i64 1
59; CHECK-NEXT:    ret i1 [[R]]
60;
61  %e1 = extractelement <4 x i32> %a, i32 3
62  %e2 = extractelement <4 x i32> %a, i32 1
63  %cmp1 = icmp sgt i32 %e1, 42
64  %cmp2 = icmp sgt i32 %e2, -8
65  %r = xor i1 %cmp1, %cmp2
66  ret i1 %r
67}
68
69define i1 @icmp_samesign_xor_v4i32(<4 x i32> %a) {
70; CHECK-LABEL: @icmp_samesign_xor_v4i32(
71; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt <4 x i32> [[A:%.*]], <i32 poison, i32 -8, i32 poison, i32 42>
72; CHECK-NEXT:    [[SHIFT:%.*]] = shufflevector <4 x i1> [[TMP1]], <4 x i1> poison, <4 x i32> <i32 poison, i32 3, i32 poison, i32 poison>
73; CHECK-NEXT:    [[TMP2:%.*]] = xor <4 x i1> [[SHIFT]], [[TMP1]]
74; CHECK-NEXT:    [[R:%.*]] = extractelement <4 x i1> [[TMP2]], i64 1
75; CHECK-NEXT:    ret i1 [[R]]
76;
77  %e1 = extractelement <4 x i32> %a, i32 3
78  %e2 = extractelement <4 x i32> %a, i32 1
79  %cmp1 = icmp samesign ugt i32 %e1, 42
80  %cmp2 = icmp sgt i32 %e2, -8
81  %r = xor i1 %cmp1, %cmp2
82  ret i1 %r
83}
84
85; add is not canonical (should be xor), but that is ok.
86
87define i1 @icmp_add_v8i32(<8 x i32> %a) {
88; CHECK-LABEL: @icmp_add_v8i32(
89; CHECK-NEXT:    [[TMP1:%.*]] = icmp eq <8 x i32> [[A:%.*]], <i32 poison, i32 poison, i32 -8, i32 poison, i32 poison, i32 poison, i32 poison, i32 42>
90; CHECK-NEXT:    [[SHIFT:%.*]] = shufflevector <8 x i1> [[TMP1]], <8 x i1> poison, <8 x i32> <i32 poison, i32 poison, i32 7, i32 poison, i32 poison, i32 poison, i32 poison, i32 poison>
91; CHECK-NEXT:    [[TMP2:%.*]] = add <8 x i1> [[SHIFT]], [[TMP1]]
92; CHECK-NEXT:    [[R:%.*]] = extractelement <8 x i1> [[TMP2]], i64 2
93; CHECK-NEXT:    ret i1 [[R]]
94;
95  %e1 = extractelement <8 x i32> %a, i32 7
96  %e2 = extractelement <8 x i32> %a, i32 2
97  %cmp1 = icmp eq i32 %e1, 42
98  %cmp2 = icmp eq i32 %e2, -8
99  %r = add i1 %cmp1, %cmp2
100  ret i1 %r
101}
102
103declare void @use()
104
105define i1 @fcmp_and_v2f64_multiuse(<2 x double> %a) {
106; SSE-LABEL: @fcmp_and_v2f64_multiuse(
107; SSE-NEXT:    [[E1:%.*]] = extractelement <2 x double> [[A:%.*]], i32 0
108; SSE-NEXT:    call void @use(double [[E1]])
109; SSE-NEXT:    [[E2:%.*]] = extractelement <2 x double> [[A]], i32 1
110; SSE-NEXT:    [[CMP1:%.*]] = fcmp olt double [[E1]], 4.200000e+01
111; SSE-NEXT:    [[CMP2:%.*]] = fcmp olt double [[E2]], -8.000000e+00
112; SSE-NEXT:    [[R:%.*]] = and i1 [[CMP1]], [[CMP2]]
113; SSE-NEXT:    call void @use(i1 [[R]])
114; SSE-NEXT:    ret i1 [[R]]
115;
116; AVX-LABEL: @fcmp_and_v2f64_multiuse(
117; AVX-NEXT:    [[E1:%.*]] = extractelement <2 x double> [[A:%.*]], i32 0
118; AVX-NEXT:    call void @use(double [[E1]])
119; AVX-NEXT:    [[TMP1:%.*]] = fcmp olt <2 x double> [[A]], <double 4.200000e+01, double -8.000000e+00>
120; AVX-NEXT:    [[SHIFT:%.*]] = shufflevector <2 x i1> [[TMP1]], <2 x i1> poison, <2 x i32> <i32 1, i32 poison>
121; AVX-NEXT:    [[TMP2:%.*]] = and <2 x i1> [[TMP1]], [[SHIFT]]
122; AVX-NEXT:    [[R:%.*]] = extractelement <2 x i1> [[TMP2]], i64 0
123; AVX-NEXT:    call void @use(i1 [[R]])
124; AVX-NEXT:    ret i1 [[R]]
125;
126  %e1 = extractelement <2 x double> %a, i32 0
127  call void @use(double %e1)
128  %e2 = extractelement <2 x double> %a, i32 1
129  %cmp1 = fcmp olt double %e1, 42.0
130  %cmp2 = fcmp olt double %e2, -8.0
131  %r = and i1 %cmp1, %cmp2
132  call void @use(i1 %r)
133  ret i1 %r
134}
135
136define i1 @icmp_xor_v4i32_multiuse(<4 x i32> %a) {
137; CHECK-LABEL: @icmp_xor_v4i32_multiuse(
138; CHECK-NEXT:    [[E2:%.*]] = extractelement <4 x i32> [[A:%.*]], i32 1
139; CHECK-NEXT:    call void @use(i32 [[E2]])
140; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt <4 x i32> [[A]], <i32 poison, i32 -8, i32 poison, i32 42>
141; CHECK-NEXT:    [[SHIFT:%.*]] = shufflevector <4 x i1> [[TMP1]], <4 x i1> poison, <4 x i32> <i32 poison, i32 3, i32 poison, i32 poison>
142; CHECK-NEXT:    [[TMP2:%.*]] = xor <4 x i1> [[SHIFT]], [[TMP1]]
143; CHECK-NEXT:    [[R:%.*]] = extractelement <4 x i1> [[TMP2]], i64 1
144; CHECK-NEXT:    call void @use(i1 [[R]])
145; CHECK-NEXT:    ret i1 [[R]]
146;
147  %e1 = extractelement <4 x i32> %a, i32 3
148  %e2 = extractelement <4 x i32> %a, i32 1
149  call void @use(i32 %e2)
150  %cmp1 = icmp sgt i32 %e1, 42
151  %cmp2 = icmp sgt i32 %e2, -8
152  %r = xor i1 %cmp1, %cmp2
153  call void @use(i1 %r)
154  ret i1 %r
155}
156
157define i1 @icmp_samesign_xor_v4i32_multiuse(<4 x i32> %a) {
158; CHECK-LABEL: @icmp_samesign_xor_v4i32_multiuse(
159; CHECK-NEXT:    [[E2:%.*]] = extractelement <4 x i32> [[A:%.*]], i32 1
160; CHECK-NEXT:    call void @use(i32 [[E2]])
161; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt <4 x i32> [[A]], <i32 poison, i32 -8, i32 poison, i32 42>
162; CHECK-NEXT:    [[SHIFT:%.*]] = shufflevector <4 x i1> [[TMP1]], <4 x i1> poison, <4 x i32> <i32 poison, i32 3, i32 poison, i32 poison>
163; CHECK-NEXT:    [[TMP2:%.*]] = xor <4 x i1> [[SHIFT]], [[TMP1]]
164; CHECK-NEXT:    [[R:%.*]] = extractelement <4 x i1> [[TMP2]], i64 1
165; CHECK-NEXT:    call void @use(i1 [[R]])
166; CHECK-NEXT:    ret i1 [[R]]
167;
168  %e1 = extractelement <4 x i32> %a, i32 3
169  %e2 = extractelement <4 x i32> %a, i32 1
170  call void @use(i32 %e2)
171  %cmp1 = icmp sgt i32 %e1, 42
172  %cmp2 = icmp samesign ugt i32 %e2, -8
173  %r = xor i1 %cmp1, %cmp2
174  call void @use(i1 %r)
175  ret i1 %r
176}
177
178; Negative test - this could CSE/simplify.
179
180define i1 @same_extract_index(<4 x i32> %a) {
181; CHECK-LABEL: @same_extract_index(
182; CHECK-NEXT:    [[E1:%.*]] = extractelement <4 x i32> [[A:%.*]], i32 2
183; CHECK-NEXT:    [[E2:%.*]] = extractelement <4 x i32> [[A]], i32 2
184; CHECK-NEXT:    [[CMP1:%.*]] = icmp ugt i32 [[E1]], 42
185; CHECK-NEXT:    [[CMP2:%.*]] = icmp ugt i32 [[E2]], -8
186; CHECK-NEXT:    [[R:%.*]] = and i1 [[CMP1]], [[CMP2]]
187; CHECK-NEXT:    ret i1 [[R]]
188;
189  %e1 = extractelement <4 x i32> %a, i32 2
190  %e2 = extractelement <4 x i32> %a, i32 2
191  %cmp1 = icmp ugt i32 %e1, 42
192  %cmp2 = icmp ugt i32 %e2, -8
193  %r = and i1 %cmp1, %cmp2
194  ret i1 %r
195}
196
197; Negative test - need identical predicates.
198
199define i1 @different_preds(<4 x i32> %a) {
200; CHECK-LABEL: @different_preds(
201; CHECK-NEXT:    [[E1:%.*]] = extractelement <4 x i32> [[A:%.*]], i32 1
202; CHECK-NEXT:    [[E2:%.*]] = extractelement <4 x i32> [[A]], i32 2
203; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i32 [[E1]], 42
204; CHECK-NEXT:    [[CMP2:%.*]] = icmp ugt i32 [[E2]], -8
205; CHECK-NEXT:    [[R:%.*]] = and i1 [[CMP1]], [[CMP2]]
206; CHECK-NEXT:    ret i1 [[R]]
207;
208  %e1 = extractelement <4 x i32> %a, i32 1
209  %e2 = extractelement <4 x i32> %a, i32 2
210  %cmp1 = icmp sgt i32 %e1, 42
211  %cmp2 = icmp ugt i32 %e2, -8
212  %r = and i1 %cmp1, %cmp2
213  ret i1 %r
214}
215
216; Negative test with integer and fp predicates.
217
218define i1 @different_preds_typemismtach(<4 x float> %a, <4 x i32> %b) {
219; CHECK-LABEL: @different_preds_typemismtach(
220; CHECK-NEXT:    [[E1:%.*]] = extractelement <4 x float> [[A:%.*]], i32 1
221; CHECK-NEXT:    [[E2:%.*]] = extractelement <4 x i32> [[B:%.*]], i32 2
222; CHECK-NEXT:    [[CMP1:%.*]] = fcmp ogt float [[E1]], 4.200000e+01
223; CHECK-NEXT:    [[CMP2:%.*]] = icmp samesign ugt i32 [[E2]], -8
224; CHECK-NEXT:    [[R:%.*]] = and i1 [[CMP1]], [[CMP2]]
225; CHECK-NEXT:    ret i1 [[R]]
226;
227  %e1 = extractelement <4 x float> %a, i32 1
228  %e2 = extractelement <4 x i32> %b, i32 2
229  %cmp1 = fcmp ogt float %e1, 42.0
230  %cmp2 = icmp samesign ugt i32 %e2, -8
231  %r = and i1 %cmp1, %cmp2
232  ret i1 %r
233}
234
235; Negative test - need 1 source vector.
236
237define i1 @different_source_vec(<4 x i32> %a, <4 x i32> %b) {
238; CHECK-LABEL: @different_source_vec(
239; CHECK-NEXT:    [[E1:%.*]] = extractelement <4 x i32> [[A:%.*]], i32 1
240; CHECK-NEXT:    [[E2:%.*]] = extractelement <4 x i32> [[B:%.*]], i32 2
241; CHECK-NEXT:    [[CMP1:%.*]] = icmp sgt i32 [[E1]], 42
242; CHECK-NEXT:    [[CMP2:%.*]] = icmp sgt i32 [[E2]], -8
243; CHECK-NEXT:    [[R:%.*]] = and i1 [[CMP1]], [[CMP2]]
244; CHECK-NEXT:    ret i1 [[R]]
245;
246  %e1 = extractelement <4 x i32> %a, i32 1
247  %e2 = extractelement <4 x i32> %b, i32 2
248  %cmp1 = icmp sgt i32 %e1, 42
249  %cmp2 = icmp sgt i32 %e2, -8
250  %r = and i1 %cmp1, %cmp2
251  ret i1 %r
252}
253