xref: /llvm-project/llvm/test/CodeGen/X86/combine-movmsk-avx.ll (revision c2a91d4a33af49cd77c6d6ec731ae25538f746b8)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefixes=CHECK,VTEST,VTEST-AVX1
3; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK,VTEST,VTEST-AVX2
4; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx,+prefer-movmsk-over-vtest | FileCheck %s --check-prefixes=CHECK,MOVMSK,MOVMSK-AVX1
5; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+prefer-movmsk-over-vtest | FileCheck %s --check-prefixes=CHECK,MOVMSK,MOVMSK-AVX2
6
7declare i32 @llvm.x86.avx.movmsk.pd.256(<4 x double>)
8declare i32 @llvm.x86.avx.movmsk.ps.256(<8 x float>)
9
10; Use widest possible vector for movmsk comparisons (PR37087)
11
12define i1 @movmskps_noneof_bitcast_v4f64(<4 x double> %a0) {
13; VTEST-LABEL: movmskps_noneof_bitcast_v4f64:
14; VTEST:       # %bb.0:
15; VTEST-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
16; VTEST-NEXT:    vcmpeqpd %ymm1, %ymm0, %ymm0
17; VTEST-NEXT:    vtestpd %ymm0, %ymm0
18; VTEST-NEXT:    sete %al
19; VTEST-NEXT:    vzeroupper
20; VTEST-NEXT:    retq
21;
22; MOVMSK-LABEL: movmskps_noneof_bitcast_v4f64:
23; MOVMSK:       # %bb.0:
24; MOVMSK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
25; MOVMSK-NEXT:    vcmpeqpd %ymm1, %ymm0, %ymm0
26; MOVMSK-NEXT:    vmovmskpd %ymm0, %eax
27; MOVMSK-NEXT:    testl %eax, %eax
28; MOVMSK-NEXT:    sete %al
29; MOVMSK-NEXT:    vzeroupper
30; MOVMSK-NEXT:    retq
31  %1 = fcmp oeq <4 x double> %a0, zeroinitializer
32  %2 = sext <4 x i1> %1 to <4 x i64>
33  %3 = bitcast <4 x i64> %2 to <8 x float>
34  %4 = tail call i32 @llvm.x86.avx.movmsk.ps.256(<8 x float> %3)
35  %5 = icmp eq i32 %4, 0
36  ret i1 %5
37}
38
39define i1 @movmskps_allof_bitcast_v4f64(<4 x double> %a0) {
40; VTEST-AVX1-LABEL: movmskps_allof_bitcast_v4f64:
41; VTEST-AVX1:       # %bb.0:
42; VTEST-AVX1-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
43; VTEST-AVX1-NEXT:    vcmpeqpd %ymm1, %ymm0, %ymm0
44; VTEST-AVX1-NEXT:    vcmptrueps %ymm1, %ymm1, %ymm1
45; VTEST-AVX1-NEXT:    vtestpd %ymm1, %ymm0
46; VTEST-AVX1-NEXT:    setb %al
47; VTEST-AVX1-NEXT:    vzeroupper
48; VTEST-AVX1-NEXT:    retq
49;
50; VTEST-AVX2-LABEL: movmskps_allof_bitcast_v4f64:
51; VTEST-AVX2:       # %bb.0:
52; VTEST-AVX2-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
53; VTEST-AVX2-NEXT:    vcmpeqpd %ymm1, %ymm0, %ymm0
54; VTEST-AVX2-NEXT:    vpcmpeqd %ymm1, %ymm1, %ymm1
55; VTEST-AVX2-NEXT:    vtestpd %ymm1, %ymm0
56; VTEST-AVX2-NEXT:    setb %al
57; VTEST-AVX2-NEXT:    vzeroupper
58; VTEST-AVX2-NEXT:    retq
59;
60; MOVMSK-LABEL: movmskps_allof_bitcast_v4f64:
61; MOVMSK:       # %bb.0:
62; MOVMSK-NEXT:    vxorpd %xmm1, %xmm1, %xmm1
63; MOVMSK-NEXT:    vcmpeqpd %ymm1, %ymm0, %ymm0
64; MOVMSK-NEXT:    vmovmskpd %ymm0, %eax
65; MOVMSK-NEXT:    cmpl $15, %eax
66; MOVMSK-NEXT:    sete %al
67; MOVMSK-NEXT:    vzeroupper
68; MOVMSK-NEXT:    retq
69  %1 = fcmp oeq <4 x double> %a0, zeroinitializer
70  %2 = sext <4 x i1> %1 to <4 x i64>
71  %3 = bitcast <4 x i64> %2 to <8 x float>
72  %4 = tail call i32 @llvm.x86.avx.movmsk.ps.256(<8 x float> %3)
73  %5 = icmp eq i32 %4, 255
74  ret i1 %5
75}
76
77;
78; TODO - Avoid sign extension ops when just extracting the sign bits.
79;
80
81define i32 @movmskpd_cmpgt_v4i64(<4 x i64> %a0) {
82; VTEST-AVX1-LABEL: movmskpd_cmpgt_v4i64:
83; VTEST-AVX1:       # %bb.0:
84; VTEST-AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
85; VTEST-AVX1-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm1
86; VTEST-AVX1-NEXT:    vblendpd {{.*#+}} ymm0 = ymm1[0,1],ymm0[2,3]
87; VTEST-AVX1-NEXT:    vmovmskpd %ymm0, %eax
88; VTEST-AVX1-NEXT:    vzeroupper
89; VTEST-AVX1-NEXT:    retq
90;
91; VTEST-AVX2-LABEL: movmskpd_cmpgt_v4i64:
92; VTEST-AVX2:       # %bb.0:
93; VTEST-AVX2-NEXT:    vmovmskpd %ymm0, %eax
94; VTEST-AVX2-NEXT:    vzeroupper
95; VTEST-AVX2-NEXT:    retq
96;
97; MOVMSK-AVX1-LABEL: movmskpd_cmpgt_v4i64:
98; MOVMSK-AVX1:       # %bb.0:
99; MOVMSK-AVX1-NEXT:    vpxor %xmm1, %xmm1, %xmm1
100; MOVMSK-AVX1-NEXT:    vpcmpgtq %xmm0, %xmm1, %xmm1
101; MOVMSK-AVX1-NEXT:    vblendpd {{.*#+}} ymm0 = ymm1[0,1],ymm0[2,3]
102; MOVMSK-AVX1-NEXT:    vmovmskpd %ymm0, %eax
103; MOVMSK-AVX1-NEXT:    vzeroupper
104; MOVMSK-AVX1-NEXT:    retq
105;
106; MOVMSK-AVX2-LABEL: movmskpd_cmpgt_v4i64:
107; MOVMSK-AVX2:       # %bb.0:
108; MOVMSK-AVX2-NEXT:    vmovmskpd %ymm0, %eax
109; MOVMSK-AVX2-NEXT:    vzeroupper
110; MOVMSK-AVX2-NEXT:    retq
111  %1 = icmp sgt <4 x i64> zeroinitializer, %a0
112  %2 = sext <4 x i1> %1 to <4 x i64>
113  %3 = bitcast <4 x i64> %2 to <4 x double>
114  %4 = tail call i32 @llvm.x86.avx.movmsk.pd.256(<4 x double> %3)
115  ret i32 %4
116}
117
118define i32 @movmskps_ashr_v8i32(<8 x i32> %a0)  {
119; VTEST-AVX1-LABEL: movmskps_ashr_v8i32:
120; VTEST-AVX1:       # %bb.0:
121; VTEST-AVX1-NEXT:    vpsrad $31, %xmm0, %xmm1
122; VTEST-AVX1-NEXT:    vblendps {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5,6,7]
123; VTEST-AVX1-NEXT:    vmovmskps %ymm0, %eax
124; VTEST-AVX1-NEXT:    vzeroupper
125; VTEST-AVX1-NEXT:    retq
126;
127; VTEST-AVX2-LABEL: movmskps_ashr_v8i32:
128; VTEST-AVX2:       # %bb.0:
129; VTEST-AVX2-NEXT:    vmovmskps %ymm0, %eax
130; VTEST-AVX2-NEXT:    vzeroupper
131; VTEST-AVX2-NEXT:    retq
132;
133; MOVMSK-AVX1-LABEL: movmskps_ashr_v8i32:
134; MOVMSK-AVX1:       # %bb.0:
135; MOVMSK-AVX1-NEXT:    vpsrad $31, %xmm0, %xmm1
136; MOVMSK-AVX1-NEXT:    vblendps {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5,6,7]
137; MOVMSK-AVX1-NEXT:    vmovmskps %ymm0, %eax
138; MOVMSK-AVX1-NEXT:    vzeroupper
139; MOVMSK-AVX1-NEXT:    retq
140;
141; MOVMSK-AVX2-LABEL: movmskps_ashr_v8i32:
142; MOVMSK-AVX2:       # %bb.0:
143; MOVMSK-AVX2-NEXT:    vmovmskps %ymm0, %eax
144; MOVMSK-AVX2-NEXT:    vzeroupper
145; MOVMSK-AVX2-NEXT:    retq
146  %1 = ashr <8 x i32> %a0, <i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31, i32 31>
147  %2 = bitcast <8 x i32> %1 to <8 x float>
148  %3 = tail call i32 @llvm.x86.avx.movmsk.ps.256(<8 x float> %2)
149  ret i32 %3
150}
151
152define i32 @movmskps_sext_v4i64(<4 x i32> %a0)  {
153; VTEST-AVX1-LABEL: movmskps_sext_v4i64:
154; VTEST-AVX1:       # %bb.0:
155; VTEST-AVX1-NEXT:    vpmovsxdq %xmm0, %xmm1
156; VTEST-AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
157; VTEST-AVX1-NEXT:    vpmovsxdq %xmm0, %xmm0
158; VTEST-AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
159; VTEST-AVX1-NEXT:    vmovmskpd %ymm0, %eax
160; VTEST-AVX1-NEXT:    vzeroupper
161; VTEST-AVX1-NEXT:    retq
162;
163; VTEST-AVX2-LABEL: movmskps_sext_v4i64:
164; VTEST-AVX2:       # %bb.0:
165; VTEST-AVX2-NEXT:    vpmovsxdq %xmm0, %ymm0
166; VTEST-AVX2-NEXT:    vmovmskpd %ymm0, %eax
167; VTEST-AVX2-NEXT:    vzeroupper
168; VTEST-AVX2-NEXT:    retq
169;
170; MOVMSK-AVX1-LABEL: movmskps_sext_v4i64:
171; MOVMSK-AVX1:       # %bb.0:
172; MOVMSK-AVX1-NEXT:    vpmovsxdq %xmm0, %xmm1
173; MOVMSK-AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
174; MOVMSK-AVX1-NEXT:    vpmovsxdq %xmm0, %xmm0
175; MOVMSK-AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
176; MOVMSK-AVX1-NEXT:    vmovmskpd %ymm0, %eax
177; MOVMSK-AVX1-NEXT:    vzeroupper
178; MOVMSK-AVX1-NEXT:    retq
179;
180; MOVMSK-AVX2-LABEL: movmskps_sext_v4i64:
181; MOVMSK-AVX2:       # %bb.0:
182; MOVMSK-AVX2-NEXT:    vpmovsxdq %xmm0, %ymm0
183; MOVMSK-AVX2-NEXT:    vmovmskpd %ymm0, %eax
184; MOVMSK-AVX2-NEXT:    vzeroupper
185; MOVMSK-AVX2-NEXT:    retq
186  %1 = sext <4 x i32> %a0 to <4 x i64>
187  %2 = bitcast <4 x i64> %1 to <4 x double>
188  %3 = tail call i32 @llvm.x86.avx.movmsk.pd.256(<4 x double> %2)
189  ret i32 %3
190}
191
192define i32 @movmskps_sext_v8i32(<8 x i16> %a0)  {
193; VTEST-AVX1-LABEL: movmskps_sext_v8i32:
194; VTEST-AVX1:       # %bb.0:
195; VTEST-AVX1-NEXT:    vpmovsxwd %xmm0, %xmm1
196; VTEST-AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
197; VTEST-AVX1-NEXT:    vpmovsxwd %xmm0, %xmm0
198; VTEST-AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
199; VTEST-AVX1-NEXT:    vmovmskps %ymm0, %eax
200; VTEST-AVX1-NEXT:    vzeroupper
201; VTEST-AVX1-NEXT:    retq
202;
203; VTEST-AVX2-LABEL: movmskps_sext_v8i32:
204; VTEST-AVX2:       # %bb.0:
205; VTEST-AVX2-NEXT:    vpmovsxwd %xmm0, %ymm0
206; VTEST-AVX2-NEXT:    vmovmskps %ymm0, %eax
207; VTEST-AVX2-NEXT:    vzeroupper
208; VTEST-AVX2-NEXT:    retq
209;
210; MOVMSK-AVX1-LABEL: movmskps_sext_v8i32:
211; MOVMSK-AVX1:       # %bb.0:
212; MOVMSK-AVX1-NEXT:    vpmovsxwd %xmm0, %xmm1
213; MOVMSK-AVX1-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
214; MOVMSK-AVX1-NEXT:    vpmovsxwd %xmm0, %xmm0
215; MOVMSK-AVX1-NEXT:    vinsertf128 $1, %xmm0, %ymm1, %ymm0
216; MOVMSK-AVX1-NEXT:    vmovmskps %ymm0, %eax
217; MOVMSK-AVX1-NEXT:    vzeroupper
218; MOVMSK-AVX1-NEXT:    retq
219;
220; MOVMSK-AVX2-LABEL: movmskps_sext_v8i32:
221; MOVMSK-AVX2:       # %bb.0:
222; MOVMSK-AVX2-NEXT:    vpmovsxwd %xmm0, %ymm0
223; MOVMSK-AVX2-NEXT:    vmovmskps %ymm0, %eax
224; MOVMSK-AVX2-NEXT:    vzeroupper
225; MOVMSK-AVX2-NEXT:    retq
226  %1 = sext <8 x i16> %a0 to <8 x i32>
227  %2 = bitcast <8 x i32> %1 to <8 x float>
228  %3 = tail call i32 @llvm.x86.avx.movmsk.ps.256(<8 x float> %2)
229  ret i32 %3
230}
231
232define i32 @movmskps_concat_v4f32(<4 x float> %a0, <4 x float> %a1)  {
233; VTEST-LABEL: movmskps_concat_v4f32:
234; VTEST:       # %bb.0:
235; VTEST-NEXT:    vorps %xmm1, %xmm0, %xmm0
236; VTEST-NEXT:    xorl %eax, %eax
237; VTEST-NEXT:    vtestps %xmm0, %xmm0
238; VTEST-NEXT:    setne %al
239; VTEST-NEXT:    negl %eax
240; VTEST-NEXT:    retq
241;
242; MOVMSK-LABEL: movmskps_concat_v4f32:
243; MOVMSK:       # %bb.0:
244; MOVMSK-NEXT:    vorps %xmm1, %xmm0, %xmm0
245; MOVMSK-NEXT:    vmovmskps %xmm0, %ecx
246; MOVMSK-NEXT:    xorl %eax, %eax
247; MOVMSK-NEXT:    negl %ecx
248; MOVMSK-NEXT:    sbbl %eax, %eax
249; MOVMSK-NEXT:    retq
250  %1 = shufflevector <4 x float> %a0, <4 x float> %a1, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
251  %2 = tail call i32 @llvm.x86.avx.movmsk.ps.256(<8 x float> %1)
252  %3 = icmp ne i32 %2, 0
253  %4 = sext i1 %3 to i32
254  ret i32 %4
255}
256
257define i32 @movmskps_demanded_concat_v4f32(<4 x float> %a0, <4 x float> %a1)  {
258; CHECK-LABEL: movmskps_demanded_concat_v4f32:
259; CHECK:       # %bb.0:
260; CHECK-NEXT:    vmovmskps %xmm0, %ecx
261; CHECK-NEXT:    andl $3, %ecx
262; CHECK-NEXT:    xorl %eax, %eax
263; CHECK-NEXT:    negl %ecx
264; CHECK-NEXT:    sbbl %eax, %eax
265; CHECK-NEXT:    retq
266  %1 = shufflevector <4 x float> %a0, <4 x float> %a1, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
267  %2 = tail call i32 @llvm.x86.avx.movmsk.ps.256(<8 x float> %1)
268  %3 = and i32 %2, 3
269  %4 = icmp ne i32 %3, 0
270  %5 = sext i1 %4 to i32
271  ret i32 %5
272}
273