1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X32
3; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=X64
4
5define i32 @knownbits_mask_extract_sext(<8 x i16> %a0) nounwind {
6; X32-LABEL: knownbits_mask_extract_sext:
7; X32:       # %bb.0:
8; X32-NEXT:    vmovd %xmm0, %eax
9; X32-NEXT:    andl $15, %eax
10; X32-NEXT:    retl
11;
12; X64-LABEL: knownbits_mask_extract_sext:
13; X64:       # %bb.0:
14; X64-NEXT:    vmovd %xmm0, %eax
15; X64-NEXT:    andl $15, %eax
16; X64-NEXT:    retq
17  %1 = and <8 x i16> %a0, <i16 15, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
18  %2 = extractelement <8 x i16> %1, i32 0
19  %3 = sext i16 %2 to i32
20  ret i32 %3
21}
22
23define float @knownbits_mask_extract_uitofp(<2 x i64> %a0) nounwind {
24; X32-LABEL: knownbits_mask_extract_uitofp:
25; X32:       # %bb.0:
26; X32-NEXT:    pushl %eax
27; X32-NEXT:    vpmovzxwq {{.*#+}} xmm0 = xmm0[0],zero,zero,zero,xmm0[1],zero,zero,zero
28; X32-NEXT:    vmovd %xmm0, %eax
29; X32-NEXT:    vcvtsi2ssl %eax, %xmm1, %xmm0
30; X32-NEXT:    vmovss %xmm0, (%esp)
31; X32-NEXT:    flds (%esp)
32; X32-NEXT:    popl %eax
33; X32-NEXT:    retl
34;
35; X64-LABEL: knownbits_mask_extract_uitofp:
36; X64:       # %bb.0:
37; X64-NEXT:    vmovq %xmm0, %rax
38; X64-NEXT:    movzwl %ax, %eax
39; X64-NEXT:    vcvtsi2ssl %eax, %xmm1, %xmm0
40; X64-NEXT:    retq
41  %1 = and <2 x i64> %a0, <i64 65535, i64 -1>
42  %2 = extractelement <2 x i64> %1, i32 0
43  %3 = uitofp i64 %2 to float
44  ret float %3
45}
46
47define <4 x float> @knownbits_insert_uitofp(<4 x i32> %a0, i16 %a1, i16 %a2) nounwind {
48; X32-LABEL: knownbits_insert_uitofp:
49; X32:       # %bb.0:
50; X32-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
51; X32-NEXT:    movzwl {{[0-9]+}}(%esp), %ecx
52; X32-NEXT:    vmovd %ecx, %xmm0
53; X32-NEXT:    vpinsrd $2, %eax, %xmm0, %xmm0
54; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,2,2]
55; X32-NEXT:    vcvtdq2ps %xmm0, %xmm0
56; X32-NEXT:    retl
57;
58; X64-LABEL: knownbits_insert_uitofp:
59; X64:       # %bb.0:
60; X64-NEXT:    movzwl %di, %eax
61; X64-NEXT:    movzwl %si, %ecx
62; X64-NEXT:    vmovd %eax, %xmm0
63; X64-NEXT:    vpinsrd $2, %ecx, %xmm0, %xmm0
64; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,2,2]
65; X64-NEXT:    vcvtdq2ps %xmm0, %xmm0
66; X64-NEXT:    retq
67  %1 = zext i16 %a1 to i32
68  %2 = zext i16 %a2 to i32
69  %3 = insertelement <4 x i32> %a0, i32 %1, i32 0
70  %4 = insertelement <4 x i32>  %3, i32 %2, i32 2
71  %5 = shufflevector <4 x i32> %4, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
72  %6 = uitofp <4 x i32> %5 to <4 x float>
73  ret <4 x float> %6
74}
75
76define <4 x i32> @knownbits_mask_shuffle_sext(<8 x i16> %a0) nounwind {
77; X32-LABEL: knownbits_mask_shuffle_sext:
78; X32:       # %bb.0:
79; X32-NEXT:    vpand {{\.LCPI.*}}, %xmm0, %xmm0
80; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
81; X32-NEXT:    vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
82; X32-NEXT:    retl
83;
84; X64-LABEL: knownbits_mask_shuffle_sext:
85; X64:       # %bb.0:
86; X64-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
87; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
88; X64-NEXT:    vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
89; X64-NEXT:    retq
90  %1 = and <8 x i16> %a0, <i16 -1, i16 -1, i16 -1, i16 -1, i16 15, i16 15, i16 15, i16 15>
91  %2 = shufflevector <8 x i16> %1, <8 x i16> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
92  %3 = sext <4 x i16> %2 to <4 x i32>
93  ret <4 x i32> %3
94}
95
96define <4 x i32> @knownbits_mask_shuffle_shuffle_sext(<8 x i16> %a0) nounwind {
97; X32-LABEL: knownbits_mask_shuffle_shuffle_sext:
98; X32:       # %bb.0:
99; X32-NEXT:    vpand {{\.LCPI.*}}, %xmm0, %xmm0
100; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
101; X32-NEXT:    vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
102; X32-NEXT:    retl
103;
104; X64-LABEL: knownbits_mask_shuffle_shuffle_sext:
105; X64:       # %bb.0:
106; X64-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
107; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
108; X64-NEXT:    vpmovzxwd {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
109; X64-NEXT:    retq
110  %1 = and <8 x i16> %a0, <i16 -1, i16 -1, i16 -1, i16 -1, i16 15, i16 15, i16 15, i16 15>
111  %2 = shufflevector <8 x i16> %1, <8 x i16> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 undef, i32 undef, i32 undef, i32 undef>
112  %3 = shufflevector <8 x i16> %2, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
113  %4 = sext <4 x i16> %3 to <4 x i32>
114  ret <4 x i32> %4
115}
116
117define <4 x i32> @knownbits_mask_shuffle_shuffle_undef_sext(<8 x i16> %a0) nounwind {
118; X32-LABEL: knownbits_mask_shuffle_shuffle_undef_sext:
119; X32:       # %bb.0:
120; X32-NEXT:    vpand {{\.LCPI.*}}, %xmm0, %xmm0
121; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
122; X32-NEXT:    vpmovsxwd %xmm0, %xmm0
123; X32-NEXT:    retl
124;
125; X64-LABEL: knownbits_mask_shuffle_shuffle_undef_sext:
126; X64:       # %bb.0:
127; X64-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
128; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
129; X64-NEXT:    vpmovsxwd %xmm0, %xmm0
130; X64-NEXT:    retq
131  %1 = and <8 x i16> %a0, <i16 -1, i16 -1, i16 -1, i16 -1, i16 15, i16 15, i16 15, i16 15>
132  %2 = shufflevector <8 x i16> %1, <8 x i16> undef, <8 x i32> <i32 4, i32 5, i32 6, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
133  %3 = shufflevector <8 x i16> %2, <8 x i16> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
134  %4 = sext <4 x i16> %3 to <4 x i32>
135  ret <4 x i32> %4
136}
137
138define <4 x float> @knownbits_mask_shuffle_uitofp(<4 x i32> %a0) nounwind {
139; X32-LABEL: knownbits_mask_shuffle_uitofp:
140; X32:       # %bb.0:
141; X32-NEXT:    vandps {{\.LCPI.*}}, %xmm0, %xmm0
142; X32-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[2,2,3,3]
143; X32-NEXT:    vcvtdq2ps %xmm0, %xmm0
144; X32-NEXT:    retl
145;
146; X64-LABEL: knownbits_mask_shuffle_uitofp:
147; X64:       # %bb.0:
148; X64-NEXT:    vandps {{.*}}(%rip), %xmm0, %xmm0
149; X64-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[2,2,3,3]
150; X64-NEXT:    vcvtdq2ps %xmm0, %xmm0
151; X64-NEXT:    retq
152  %1 = and <4 x i32> %a0, <i32 -1, i32 -1, i32 255, i32 4085>
153  %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 2, i32 3, i32 3>
154  %3 = uitofp <4 x i32> %2 to <4 x float>
155  ret <4 x float> %3
156}
157
158define <4 x float> @knownbits_mask_or_shuffle_uitofp(<4 x i32> %a0) nounwind {
159; X32-LABEL: knownbits_mask_or_shuffle_uitofp:
160; X32:       # %bb.0:
161; X32-NEXT:    vmovaps {{.*#+}} xmm0 = [6.5535E+4,6.5535E+4,6.5535E+4,6.5535E+4]
162; X32-NEXT:    retl
163;
164; X64-LABEL: knownbits_mask_or_shuffle_uitofp:
165; X64:       # %bb.0:
166; X64-NEXT:    vmovaps {{.*#+}} xmm0 = [6.5535E+4,6.5535E+4,6.5535E+4,6.5535E+4]
167; X64-NEXT:    retq
168  %1 = and <4 x i32> %a0, <i32 -1, i32 -1, i32 255, i32 4085>
169  %2 = or <4 x i32> %1, <i32 65535, i32 65535, i32 65535, i32 65535>
170  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 2, i32 2, i32 3, i32 3>
171  %4 = uitofp <4 x i32> %3 to <4 x float>
172  ret <4 x float> %4
173}
174
175define <4 x float> @knownbits_mask_xor_shuffle_uitofp(<4 x i32> %a0) nounwind {
176; X32-LABEL: knownbits_mask_xor_shuffle_uitofp:
177; X32:       # %bb.0:
178; X32-NEXT:    vandps {{\.LCPI.*}}, %xmm0, %xmm0
179; X32-NEXT:    vxorps {{\.LCPI.*}}, %xmm0, %xmm0
180; X32-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[2,2,3,3]
181; X32-NEXT:    vcvtdq2ps %xmm0, %xmm0
182; X32-NEXT:    retl
183;
184; X64-LABEL: knownbits_mask_xor_shuffle_uitofp:
185; X64:       # %bb.0:
186; X64-NEXT:    vandps {{.*}}(%rip), %xmm0, %xmm0
187; X64-NEXT:    vxorps {{.*}}(%rip), %xmm0, %xmm0
188; X64-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[2,2,3,3]
189; X64-NEXT:    vcvtdq2ps %xmm0, %xmm0
190; X64-NEXT:    retq
191  %1 = and <4 x i32> %a0, <i32 -1, i32 -1, i32 255, i32 4085>
192  %2 = xor <4 x i32> %1, <i32 65535, i32 65535, i32 65535, i32 65535>
193  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 2, i32 2, i32 3, i32 3>
194  %4 = uitofp <4 x i32> %3 to <4 x float>
195  ret <4 x float> %4
196}
197
198define <4 x i32> @knownbits_mask_shl_shuffle_lshr(<4 x i32> %a0) nounwind {
199; X32-LABEL: knownbits_mask_shl_shuffle_lshr:
200; X32:       # %bb.0:
201; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
202; X32-NEXT:    retl
203;
204; X64-LABEL: knownbits_mask_shl_shuffle_lshr:
205; X64:       # %bb.0:
206; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
207; X64-NEXT:    retq
208  %1 = and <4 x i32> %a0, <i32 -65536, i32 -7, i32 -7, i32 -65536>
209  %2 = shl <4 x i32> %1, <i32 17, i32 17, i32 17, i32 17>
210  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
211  %4 = lshr <4 x i32> %3, <i32 15, i32 15, i32 15, i32 15>
212  ret <4 x i32> %4
213}
214
215define <4 x i32> @knownbits_mask_ashr_shuffle_lshr(<4 x i32> %a0) nounwind {
216; X32-LABEL: knownbits_mask_ashr_shuffle_lshr:
217; X32:       # %bb.0:
218; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
219; X32-NEXT:    retl
220;
221; X64-LABEL: knownbits_mask_ashr_shuffle_lshr:
222; X64:       # %bb.0:
223; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
224; X64-NEXT:    retq
225  %1 = and <4 x i32> %a0, <i32 131071, i32 -1, i32 -1, i32 131071>
226  %2 = ashr <4 x i32> %1, <i32 15, i32 15, i32 15, i32 15>
227  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
228  %4 = lshr <4 x i32> %3, <i32 30, i32 30, i32 30, i32 30>
229  ret <4 x i32> %4
230}
231
232define <4 x i32> @knownbits_mask_mul_shuffle_shl(<4 x i32> %a0, <4 x i32> %a1) nounwind {
233; X32-LABEL: knownbits_mask_mul_shuffle_shl:
234; X32:       # %bb.0:
235; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
236; X32-NEXT:    retl
237;
238; X64-LABEL: knownbits_mask_mul_shuffle_shl:
239; X64:       # %bb.0:
240; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
241; X64-NEXT:    retq
242  %1 = and <4 x i32> %a0, <i32 -65536, i32 -7, i32 -7, i32 -65536>
243  %2 = mul <4 x i32> %a1, %1
244  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
245  %4 = shl <4 x i32> %3, <i32 22, i32 22, i32 22, i32 22>
246  ret <4 x i32> %4
247}
248
249define <4 x i32> @knownbits_mask_trunc_shuffle_shl(<4 x i64> %a0) nounwind {
250; X32-LABEL: knownbits_mask_trunc_shuffle_shl:
251; X32:       # %bb.0:
252; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
253; X32-NEXT:    retl
254;
255; X64-LABEL: knownbits_mask_trunc_shuffle_shl:
256; X64:       # %bb.0:
257; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
258; X64-NEXT:    retq
259  %1 = and <4 x i64> %a0, <i64 -65536, i64 -7, i64 7, i64 -65536>
260  %2 = trunc <4 x i64> %1 to <4 x i32>
261  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
262  %4 = shl <4 x i32> %3, <i32 22, i32 22, i32 22, i32 22>
263  ret <4 x i32> %4
264}
265
266define <4 x i32> @knownbits_mask_add_shuffle_lshr(<4 x i32> %a0, <4 x i32> %a1) nounwind {
267; X32-LABEL: knownbits_mask_add_shuffle_lshr:
268; X32:       # %bb.0:
269; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
270; X32-NEXT:    retl
271;
272; X64-LABEL: knownbits_mask_add_shuffle_lshr:
273; X64:       # %bb.0:
274; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
275; X64-NEXT:    retq
276  %1 = and <4 x i32> %a0, <i32 32767, i32 -1, i32 -1, i32 32767>
277  %2 = and <4 x i32> %a1, <i32 32767, i32 -1, i32 -1, i32 32767>
278  %3 = add <4 x i32> %1, %2
279  %4 = shufflevector <4 x i32> %3, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
280  %5 = lshr <4 x i32> %4, <i32 17, i32 17, i32 17, i32 17>
281  ret <4 x i32> %5
282}
283
284define <4 x i32> @knownbits_mask_sub_shuffle_lshr(<4 x i32> %a0) nounwind {
285; X32-LABEL: knownbits_mask_sub_shuffle_lshr:
286; X32:       # %bb.0:
287; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
288; X32-NEXT:    retl
289;
290; X64-LABEL: knownbits_mask_sub_shuffle_lshr:
291; X64:       # %bb.0:
292; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
293; X64-NEXT:    retq
294  %1 = and <4 x i32> %a0, <i32 15, i32 -1, i32 -1, i32 15>
295  %2 = sub <4 x i32> <i32 255, i32 255, i32 255, i32 255>, %1
296  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
297  %4 = lshr <4 x i32> %3, <i32 22, i32 22, i32 22, i32 22>
298  ret <4 x i32> %4
299}
300
301define <4 x i32> @knownbits_mask_udiv_shuffle_lshr(<4 x i32> %a0, <4 x i32> %a1) nounwind {
302; X32-LABEL: knownbits_mask_udiv_shuffle_lshr:
303; X32:       # %bb.0:
304; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
305; X32-NEXT:    retl
306;
307; X64-LABEL: knownbits_mask_udiv_shuffle_lshr:
308; X64:       # %bb.0:
309; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
310; X64-NEXT:    retq
311  %1 = and <4 x i32> %a0, <i32 32767, i32 -1, i32 -1, i32 32767>
312  %2 = udiv <4 x i32> %1, %a1
313  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
314  %4 = lshr <4 x i32> %3, <i32 22, i32 22, i32 22, i32 22>
315  ret <4 x i32> %4
316}
317
318define <4 x i32> @knownbits_urem_lshr(<4 x i32> %a0) nounwind {
319; X32-LABEL: knownbits_urem_lshr:
320; X32:       # %bb.0:
321; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
322; X32-NEXT:    retl
323;
324; X64-LABEL: knownbits_urem_lshr:
325; X64:       # %bb.0:
326; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
327; X64-NEXT:    retq
328  %1 = urem <4 x i32> %a0, <i32 16, i32 16, i32 16, i32 16>
329  %2 = lshr <4 x i32> %1, <i32 22, i32 22, i32 22, i32 22>
330  ret <4 x i32> %2
331}
332
333define <4 x i32> @knownbits_mask_urem_shuffle_lshr(<4 x i32> %a0, <4 x i32> %a1) nounwind {
334; X32-LABEL: knownbits_mask_urem_shuffle_lshr:
335; X32:       # %bb.0:
336; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
337; X32-NEXT:    retl
338;
339; X64-LABEL: knownbits_mask_urem_shuffle_lshr:
340; X64:       # %bb.0:
341; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
342; X64-NEXT:    retq
343  %1 = and <4 x i32> %a0, <i32 32767, i32 -1, i32 -1, i32 32767>
344  %2 = and <4 x i32> %a1, <i32 32767, i32 -1, i32 -1, i32 32767>
345  %3 = urem <4 x i32> %1, %2
346  %4 = shufflevector <4 x i32> %3, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
347  %5 = lshr <4 x i32> %4, <i32 22, i32 22, i32 22, i32 22>
348  ret <4 x i32> %5
349}
350
351define <4 x i32> @knownbits_mask_srem_shuffle_lshr(<4 x i32> %a0) nounwind {
352; X32-LABEL: knownbits_mask_srem_shuffle_lshr:
353; X32:       # %bb.0:
354; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
355; X32-NEXT:    retl
356;
357; X64-LABEL: knownbits_mask_srem_shuffle_lshr:
358; X64:       # %bb.0:
359; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
360; X64-NEXT:    retq
361  %1 = and <4 x i32> %a0, <i32 -32768, i32 -1, i32 -1, i32 -32768>
362  %2 = srem <4 x i32> %1, <i32 16, i32 16, i32 16, i32 16>
363  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
364  %4 = lshr <4 x i32> %3, <i32 22, i32 22, i32 22, i32 22>
365  ret <4 x i32> %4
366}
367
368define <4 x i32> @knownbits_mask_bswap_shuffle_shl(<4 x i32> %a0) nounwind {
369; X32-LABEL: knownbits_mask_bswap_shuffle_shl:
370; X32:       # %bb.0:
371; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
372; X32-NEXT:    retl
373;
374; X64-LABEL: knownbits_mask_bswap_shuffle_shl:
375; X64:       # %bb.0:
376; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
377; X64-NEXT:    retq
378  %1 = and <4 x i32> %a0, <i32 32767, i32 -1, i32 -1, i32 32767>
379  %2 = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %1)
380  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
381  %4 = shl <4 x i32> %3, <i32 22, i32 22, i32 22, i32 22>
382  ret <4 x i32> %4
383}
384declare <4 x i32> @llvm.bswap.v4i32(<4 x i32>)
385
386define <8 x float> @knownbits_mask_concat_uitofp(<4 x i32> %a0, <4 x i32> %a1) nounwind {
387; X32-LABEL: knownbits_mask_concat_uitofp:
388; X32:       # %bb.0:
389; X32-NEXT:    vandps {{\.LCPI.*}}, %xmm0, %xmm0
390; X32-NEXT:    vandps {{\.LCPI.*}}, %xmm1, %xmm1
391; X32-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,2,0,2]
392; X32-NEXT:    vpermilps {{.*#+}} xmm1 = xmm1[1,3,1,3]
393; X32-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
394; X32-NEXT:    vcvtdq2ps %ymm0, %ymm0
395; X32-NEXT:    retl
396;
397; X64-LABEL: knownbits_mask_concat_uitofp:
398; X64:       # %bb.0:
399; X64-NEXT:    vandps {{.*}}(%rip), %xmm0, %xmm0
400; X64-NEXT:    vandps {{.*}}(%rip), %xmm1, %xmm1
401; X64-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,2,0,2]
402; X64-NEXT:    vpermilps {{.*#+}} xmm1 = xmm1[1,3,1,3]
403; X64-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
404; X64-NEXT:    vcvtdq2ps %ymm0, %ymm0
405; X64-NEXT:    retq
406  %1 = and <4 x i32> %a0, <i32 131071, i32 -1, i32 131071, i32 -1>
407  %2 = and <4 x i32> %a1, <i32 -1, i32 131071, i32 -1, i32 131071>
408  %3 = shufflevector <4 x i32> %1, <4 x i32> %2, <8 x i32> <i32 0, i32 2, i32 0, i32 2, i32 5, i32 7, i32 5, i32 7>
409  %4 = uitofp <8 x i32> %3 to <8 x float>
410  ret <8 x float> %4
411}
412
413define <4 x float> @knownbits_lshr_bitcast_shuffle_uitofp(<2 x i64> %a0, <4 x i32> %a1) nounwind {
414; X32-LABEL: knownbits_lshr_bitcast_shuffle_uitofp:
415; X32:       # %bb.0:
416; X32-NEXT:    vpsrlq $1, %xmm0, %xmm0
417; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,3,3]
418; X32-NEXT:    vcvtdq2ps %xmm0, %xmm0
419; X32-NEXT:    retl
420;
421; X64-LABEL: knownbits_lshr_bitcast_shuffle_uitofp:
422; X64:       # %bb.0:
423; X64-NEXT:    vpsrlq $1, %xmm0, %xmm0
424; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,1,3,3]
425; X64-NEXT:    vcvtdq2ps %xmm0, %xmm0
426; X64-NEXT:    retq
427  %1 = lshr <2 x i64> %a0, <i64 1, i64 1>
428  %2 = bitcast <2 x i64> %1 to <4 x i32>
429  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 1, i32 1, i32 3, i32 3>
430  %4 = uitofp <4 x i32> %3 to <4 x float>
431  ret <4 x float> %4
432}
433
434define <4 x float> @knownbits_smax_smin_shuffle_uitofp(<4 x i32> %a0) {
435; X32-LABEL: knownbits_smax_smin_shuffle_uitofp:
436; X32:       # %bb.0:
437; X32-NEXT:    vpminsd {{\.LCPI.*}}, %xmm0, %xmm0
438; X32-NEXT:    vpmaxsd {{\.LCPI.*}}, %xmm0, %xmm0
439; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3]
440; X32-NEXT:    vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
441; X32-NEXT:    vpsrld $16, %xmm0, %xmm0
442; X32-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
443; X32-NEXT:    vaddps {{\.LCPI.*}}, %xmm0, %xmm0
444; X32-NEXT:    vaddps %xmm0, %xmm1, %xmm0
445; X32-NEXT:    retl
446;
447; X64-LABEL: knownbits_smax_smin_shuffle_uitofp:
448; X64:       # %bb.0:
449; X64-NEXT:    vpminsd {{.*}}(%rip), %xmm0, %xmm0
450; X64-NEXT:    vpmaxsd {{.*}}(%rip), %xmm0, %xmm0
451; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3]
452; X64-NEXT:    vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
453; X64-NEXT:    vpsrld $16, %xmm0, %xmm0
454; X64-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
455; X64-NEXT:    vaddps {{.*}}(%rip), %xmm0, %xmm0
456; X64-NEXT:    vaddps %xmm0, %xmm1, %xmm0
457; X64-NEXT:    retq
458  %1 = call <4 x i32> @llvm.x86.sse41.pminsd(<4 x i32> %a0, <4 x i32> <i32 0, i32 -65535, i32 -65535, i32 0>)
459  %2 = call <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32> %1, <4 x i32> <i32 65535, i32 -1, i32 -1, i32 131071>)
460  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
461  %4 = uitofp <4 x i32> %3 to <4 x float>
462  ret <4 x float> %4
463}
464declare <4 x i32> @llvm.x86.sse41.pmaxsd(<4 x i32>, <4 x i32>) nounwind readnone
465declare <4 x i32> @llvm.x86.sse41.pminsd(<4 x i32>, <4 x i32>) nounwind readnone
466
467define <4 x float> @knownbits_umin_shuffle_uitofp(<4 x i32> %a0) {
468; X32-LABEL: knownbits_umin_shuffle_uitofp:
469; X32:       # %bb.0:
470; X32-NEXT:    vpminud {{\.LCPI.*}}, %xmm0, %xmm0
471; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3]
472; X32-NEXT:    vcvtdq2ps %xmm0, %xmm0
473; X32-NEXT:    retl
474;
475; X64-LABEL: knownbits_umin_shuffle_uitofp:
476; X64:       # %bb.0:
477; X64-NEXT:    vpminud {{.*}}(%rip), %xmm0, %xmm0
478; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3]
479; X64-NEXT:    vcvtdq2ps %xmm0, %xmm0
480; X64-NEXT:    retq
481  %1 = call <4 x i32> @llvm.x86.sse41.pminud(<4 x i32> %a0, <4 x i32> <i32 65535, i32 -1, i32 -1, i32 262143>)
482  %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
483  %3 = uitofp <4 x i32> %2 to <4 x float>
484  ret <4 x float> %3
485}
486declare <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32>, <4 x i32>) nounwind readnone
487declare <4 x i32> @llvm.x86.sse41.pminud(<4 x i32>, <4 x i32>) nounwind readnone
488
489define <4 x i32> @knownbits_umax_shuffle_ashr(<4 x i32> %a0) {
490; X32-LABEL: knownbits_umax_shuffle_ashr:
491; X32:       # %bb.0:
492; X32-NEXT:    vpcmpeqd %xmm0, %xmm0, %xmm0
493; X32-NEXT:    retl
494;
495; X64-LABEL: knownbits_umax_shuffle_ashr:
496; X64:       # %bb.0:
497; X64-NEXT:    vpcmpeqd %xmm0, %xmm0, %xmm0
498; X64-NEXT:    retq
499  %1 = call <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32> %a0, <4 x i32> <i32 65535, i32 -1, i32 -1, i32 262143>)
500  %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 1, i32 2, i32 2>
501  %3 = ashr <4 x i32> %2, <i32 31, i32 31, i32 31, i32 31>
502  ret <4 x i32> %3
503}
504
505define <4 x float> @knownbits_mask_umax_shuffle_uitofp(<4 x i32> %a0) {
506; X32-LABEL: knownbits_mask_umax_shuffle_uitofp:
507; X32:       # %bb.0:
508; X32-NEXT:    vpand {{\.LCPI.*}}, %xmm0, %xmm0
509; X32-NEXT:    vpmaxud {{\.LCPI.*}}, %xmm0, %xmm0
510; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3]
511; X32-NEXT:    vcvtdq2ps %xmm0, %xmm0
512; X32-NEXT:    retl
513;
514; X64-LABEL: knownbits_mask_umax_shuffle_uitofp:
515; X64:       # %bb.0:
516; X64-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
517; X64-NEXT:    vpmaxud {{.*}}(%rip), %xmm0, %xmm0
518; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,3,3]
519; X64-NEXT:    vcvtdq2ps %xmm0, %xmm0
520; X64-NEXT:    retq
521  %1 = and <4 x i32> %a0, <i32 65535, i32 -1, i32 -1, i32 262143>
522  %2 = call <4 x i32> @llvm.x86.sse41.pmaxud(<4 x i32> %1, <4 x i32> <i32 255, i32 -1, i32 -1, i32 1023>)
523  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 3, i32 3>
524  %4 = uitofp <4 x i32> %3 to <4 x float>
525  ret <4 x float> %4
526}
527
528define <4 x i32> @knownbits_mask_bitreverse_ashr(<4 x i32> %a0) {
529; X32-LABEL: knownbits_mask_bitreverse_ashr:
530; X32:       # %bb.0:
531; X32-NEXT:    vxorps %xmm0, %xmm0, %xmm0
532; X32-NEXT:    retl
533;
534; X64-LABEL: knownbits_mask_bitreverse_ashr:
535; X64:       # %bb.0:
536; X64-NEXT:    vxorps %xmm0, %xmm0, %xmm0
537; X64-NEXT:    retq
538  %1 = and <4 x i32> %a0, <i32 -2, i32 -2, i32 -2, i32 -2>
539  %2 = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %1)
540  %3 = ashr <4 x i32> %2, <i32 31, i32 31, i32 31, i32 31>
541  ret <4 x i32> %3
542}
543declare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>) nounwind readnone
544
545; If we don't know that the input isn't INT_MIN we can't combine to sitofp
546define <4 x float> @knownbits_abs_uitofp(<4 x i32> %a0) {
547; X32-LABEL: knownbits_abs_uitofp:
548; X32:       # %bb.0:
549; X32-NEXT:    vpabsd %xmm0, %xmm0
550; X32-NEXT:    vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
551; X32-NEXT:    vpsrld $16, %xmm0, %xmm0
552; X32-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
553; X32-NEXT:    vaddps {{\.LCPI.*}}, %xmm0, %xmm0
554; X32-NEXT:    vaddps %xmm0, %xmm1, %xmm0
555; X32-NEXT:    retl
556;
557; X64-LABEL: knownbits_abs_uitofp:
558; X64:       # %bb.0:
559; X64-NEXT:    vpabsd %xmm0, %xmm0
560; X64-NEXT:    vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
561; X64-NEXT:    vpsrld $16, %xmm0, %xmm0
562; X64-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
563; X64-NEXT:    vaddps {{.*}}(%rip), %xmm0, %xmm0
564; X64-NEXT:    vaddps %xmm0, %xmm1, %xmm0
565; X64-NEXT:    retq
566  %1 = sub <4 x i32> zeroinitializer, %a0
567  %2 = icmp slt <4 x i32> %a0, zeroinitializer
568  %3 = select <4 x i1> %2, <4 x i32> %1, <4 x i32> %a0
569  %4 = uitofp <4 x i32> %3 to <4 x float>
570  ret <4 x float> %4
571}
572
573define <4 x float> @knownbits_or_abs_uitofp(<4 x i32> %a0) {
574; X32-LABEL: knownbits_or_abs_uitofp:
575; X32:       # %bb.0:
576; X32-NEXT:    vpor {{\.LCPI.*}}, %xmm0, %xmm0
577; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,0,2]
578; X32-NEXT:    vpabsd %xmm0, %xmm0
579; X32-NEXT:    vcvtdq2ps %xmm0, %xmm0
580; X32-NEXT:    retl
581;
582; X64-LABEL: knownbits_or_abs_uitofp:
583; X64:       # %bb.0:
584; X64-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
585; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,2,0,2]
586; X64-NEXT:    vpabsd %xmm0, %xmm0
587; X64-NEXT:    vcvtdq2ps %xmm0, %xmm0
588; X64-NEXT:    retq
589  %1 = or <4 x i32> %a0, <i32 1, i32 0, i32 3, i32 0>
590  %2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 0, i32 2>
591  %3 = sub <4 x i32> zeroinitializer, %2
592  %4 = icmp slt <4 x i32> %2, zeroinitializer
593  %5 = select <4 x i1> %4, <4 x i32> %3, <4 x i32> %2
594  %6 = uitofp <4 x i32> %5 to <4 x float>
595  ret <4 x float> %6
596}
597
598define <4 x float> @knownbits_and_select_shuffle_uitofp(<4 x i32> %a0, <4 x i32> %a1, <4 x i32> %a2, <4 x i32> %a3) nounwind {
599; X32-LABEL: knownbits_and_select_shuffle_uitofp:
600; X32:       # %bb.0:
601; X32-NEXT:    pushl %ebp
602; X32-NEXT:    movl %esp, %ebp
603; X32-NEXT:    andl $-16, %esp
604; X32-NEXT:    subl $16, %esp
605; X32-NEXT:    vmovaps 8(%ebp), %xmm3
606; X32-NEXT:    vandps {{\.LCPI.*}}, %xmm2, %xmm2
607; X32-NEXT:    vandps {{\.LCPI.*}}, %xmm3, %xmm3
608; X32-NEXT:    vpcmpeqd %xmm1, %xmm0, %xmm0
609; X32-NEXT:    vblendvps %xmm0, %xmm2, %xmm3, %xmm0
610; X32-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,2,2]
611; X32-NEXT:    vcvtdq2ps %xmm0, %xmm0
612; X32-NEXT:    movl %ebp, %esp
613; X32-NEXT:    popl %ebp
614; X32-NEXT:    retl
615;
616; X64-LABEL: knownbits_and_select_shuffle_uitofp:
617; X64:       # %bb.0:
618; X64-NEXT:    vandps {{.*}}(%rip), %xmm2, %xmm2
619; X64-NEXT:    vandps {{.*}}(%rip), %xmm3, %xmm3
620; X64-NEXT:    vpcmpeqd %xmm1, %xmm0, %xmm0
621; X64-NEXT:    vblendvps %xmm0, %xmm2, %xmm3, %xmm0
622; X64-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,2,2]
623; X64-NEXT:    vcvtdq2ps %xmm0, %xmm0
624; X64-NEXT:    retq
625  %1 = and <4 x i32> %a2, <i32 65535, i32 -1, i32 255, i32 -1>
626  %2 = and <4 x i32> %a3, <i32 255, i32 -1, i32 65535, i32 -1>
627  %3 = icmp eq <4 x i32> %a0, %a1
628  %4 = select <4 x i1> %3, <4 x i32> %1, <4 x i32> %2
629  %5 = shufflevector <4 x i32> %4, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
630  %6 = uitofp <4 x i32> %5 to <4 x float>
631  ret <4 x float> %6
632}
633
634define <4 x float> @knownbits_lshr_and_select_shuffle_uitofp(<4 x i32> %a0, <4 x i32> %a1, <4 x i32> %a2, <4 x i32> %a3) nounwind {
635; X32-LABEL: knownbits_lshr_and_select_shuffle_uitofp:
636; X32:       # %bb.0:
637; X32-NEXT:    pushl %ebp
638; X32-NEXT:    movl %esp, %ebp
639; X32-NEXT:    andl $-16, %esp
640; X32-NEXT:    subl $16, %esp
641; X32-NEXT:    vmovaps 8(%ebp), %xmm3
642; X32-NEXT:    vpsrld $5, %xmm2, %xmm2
643; X32-NEXT:    vandps {{\.LCPI.*}}, %xmm3, %xmm3
644; X32-NEXT:    vpcmpeqd %xmm1, %xmm0, %xmm0
645; X32-NEXT:    vblendvps %xmm0, %xmm2, %xmm3, %xmm0
646; X32-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,2,2]
647; X32-NEXT:    vcvtdq2ps %xmm0, %xmm0
648; X32-NEXT:    movl %ebp, %esp
649; X32-NEXT:    popl %ebp
650; X32-NEXT:    retl
651;
652; X64-LABEL: knownbits_lshr_and_select_shuffle_uitofp:
653; X64:       # %bb.0:
654; X64-NEXT:    vpsrld $5, %xmm2, %xmm2
655; X64-NEXT:    vandps {{.*}}(%rip), %xmm3, %xmm3
656; X64-NEXT:    vpcmpeqd %xmm1, %xmm0, %xmm0
657; X64-NEXT:    vblendvps %xmm0, %xmm2, %xmm3, %xmm0
658; X64-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[0,0,2,2]
659; X64-NEXT:    vcvtdq2ps %xmm0, %xmm0
660; X64-NEXT:    retq
661  %1 = lshr <4 x i32> %a2, <i32 5, i32 1, i32 5, i32 1>
662  %2 = and <4 x i32> %a3, <i32 255, i32 -1, i32 65535, i32 -1>
663  %3 = icmp eq <4 x i32> %a0, %a1
664  %4 = select <4 x i1> %3, <4 x i32> %1, <4 x i32> %2
665  %5 = shufflevector <4 x i32> %4, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
666  %6 = uitofp <4 x i32> %5 to <4 x float>
667  ret <4 x float> %6
668}
669