1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -slp-vectorizer -slp-threshold=-10000 < %s | FileCheck %s
3; RUN: opt -S -slp-vectorizer -slp-threshold=0 < %s | FileCheck %s
4
5target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-n8:16:32:64-S128"
6target triple = "x86_64-apple-macosx10.8.0"
7
8define <4 x float> @simple_select(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
9; CHECK-LABEL: @simple_select(
10; CHECK-NEXT:    [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer
11; CHECK-NEXT:    [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]]
12; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
13; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP3]], i32 0
14; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
15; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP4]], i32 1
16; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
17; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[TMP5]], i32 2
18; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
19; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP6]], i32 3
20; CHECK-NEXT:    ret <4 x float> [[RD]]
21;
22  %c0 = extractelement <4 x i32> %c, i32 0
23  %c1 = extractelement <4 x i32> %c, i32 1
24  %c2 = extractelement <4 x i32> %c, i32 2
25  %c3 = extractelement <4 x i32> %c, i32 3
26  %a0 = extractelement <4 x float> %a, i32 0
27  %a1 = extractelement <4 x float> %a, i32 1
28  %a2 = extractelement <4 x float> %a, i32 2
29  %a3 = extractelement <4 x float> %a, i32 3
30  %b0 = extractelement <4 x float> %b, i32 0
31  %b1 = extractelement <4 x float> %b, i32 1
32  %b2 = extractelement <4 x float> %b, i32 2
33  %b3 = extractelement <4 x float> %b, i32 3
34  %cmp0 = icmp ne i32 %c0, 0
35  %cmp1 = icmp ne i32 %c1, 0
36  %cmp2 = icmp ne i32 %c2, 0
37  %cmp3 = icmp ne i32 %c3, 0
38  %s0 = select i1 %cmp0, float %a0, float %b0
39  %s1 = select i1 %cmp1, float %a1, float %b1
40  %s2 = select i1 %cmp2, float %a2, float %b2
41  %s3 = select i1 %cmp3, float %a3, float %b3
42  %ra = insertelement <4 x float> undef, float %s0, i32 0
43  %rb = insertelement <4 x float> %ra, float %s1, i32 1
44  %rc = insertelement <4 x float> %rb, float %s2, i32 2
45  %rd = insertelement <4 x float> %rc, float %s3, i32 3
46  ret <4 x float> %rd
47}
48
49declare void @llvm.assume(i1) nounwind
50
51; This entire tree is ephemeral, don't vectorize any of it.
52define <4 x float> @simple_select_eph(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
53; CHECK-LABEL: @simple_select_eph(
54; CHECK-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
55; CHECK-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
56; CHECK-NEXT:    [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2
57; CHECK-NEXT:    [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3
58; CHECK-NEXT:    [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0
59; CHECK-NEXT:    [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1
60; CHECK-NEXT:    [[A2:%.*]] = extractelement <4 x float> [[A]], i32 2
61; CHECK-NEXT:    [[A3:%.*]] = extractelement <4 x float> [[A]], i32 3
62; CHECK-NEXT:    [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0
63; CHECK-NEXT:    [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1
64; CHECK-NEXT:    [[B2:%.*]] = extractelement <4 x float> [[B]], i32 2
65; CHECK-NEXT:    [[B3:%.*]] = extractelement <4 x float> [[B]], i32 3
66; CHECK-NEXT:    [[CMP0:%.*]] = icmp ne i32 [[C0]], 0
67; CHECK-NEXT:    [[CMP1:%.*]] = icmp ne i32 [[C1]], 0
68; CHECK-NEXT:    [[CMP2:%.*]] = icmp ne i32 [[C2]], 0
69; CHECK-NEXT:    [[CMP3:%.*]] = icmp ne i32 [[C3]], 0
70; CHECK-NEXT:    [[S0:%.*]] = select i1 [[CMP0]], float [[A0]], float [[B0]]
71; CHECK-NEXT:    [[S1:%.*]] = select i1 [[CMP1]], float [[A1]], float [[B1]]
72; CHECK-NEXT:    [[S2:%.*]] = select i1 [[CMP2]], float [[A2]], float [[B2]]
73; CHECK-NEXT:    [[S3:%.*]] = select i1 [[CMP3]], float [[A3]], float [[B3]]
74; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[S0]], i32 0
75; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[S1]], i32 1
76; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[S2]], i32 2
77; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[S3]], i32 3
78; CHECK-NEXT:    [[Q0:%.*]] = extractelement <4 x float> [[RD]], i32 0
79; CHECK-NEXT:    [[Q1:%.*]] = extractelement <4 x float> [[RD]], i32 1
80; CHECK-NEXT:    [[Q2:%.*]] = extractelement <4 x float> [[RD]], i32 2
81; CHECK-NEXT:    [[Q3:%.*]] = extractelement <4 x float> [[RD]], i32 3
82; CHECK-NEXT:    [[Q4:%.*]] = fadd float [[Q0]], [[Q1]]
83; CHECK-NEXT:    [[Q5:%.*]] = fadd float [[Q2]], [[Q3]]
84; CHECK-NEXT:    [[Q6:%.*]] = fadd float [[Q4]], [[Q5]]
85; CHECK-NEXT:    [[QI:%.*]] = fcmp olt float [[Q6]], [[Q5]]
86; CHECK-NEXT:    call void @llvm.assume(i1 [[QI]])
87; CHECK-NEXT:    ret <4 x float> undef
88;
89  %c0 = extractelement <4 x i32> %c, i32 0
90  %c1 = extractelement <4 x i32> %c, i32 1
91  %c2 = extractelement <4 x i32> %c, i32 2
92  %c3 = extractelement <4 x i32> %c, i32 3
93  %a0 = extractelement <4 x float> %a, i32 0
94  %a1 = extractelement <4 x float> %a, i32 1
95  %a2 = extractelement <4 x float> %a, i32 2
96  %a3 = extractelement <4 x float> %a, i32 3
97  %b0 = extractelement <4 x float> %b, i32 0
98  %b1 = extractelement <4 x float> %b, i32 1
99  %b2 = extractelement <4 x float> %b, i32 2
100  %b3 = extractelement <4 x float> %b, i32 3
101  %cmp0 = icmp ne i32 %c0, 0
102  %cmp1 = icmp ne i32 %c1, 0
103  %cmp2 = icmp ne i32 %c2, 0
104  %cmp3 = icmp ne i32 %c3, 0
105  %s0 = select i1 %cmp0, float %a0, float %b0
106  %s1 = select i1 %cmp1, float %a1, float %b1
107  %s2 = select i1 %cmp2, float %a2, float %b2
108  %s3 = select i1 %cmp3, float %a3, float %b3
109  %ra = insertelement <4 x float> undef, float %s0, i32 0
110  %rb = insertelement <4 x float> %ra, float %s1, i32 1
111  %rc = insertelement <4 x float> %rb, float %s2, i32 2
112  %rd = insertelement <4 x float> %rc, float %s3, i32 3
113  %q0 = extractelement <4 x float> %rd, i32 0
114  %q1 = extractelement <4 x float> %rd, i32 1
115  %q2 = extractelement <4 x float> %rd, i32 2
116  %q3 = extractelement <4 x float> %rd, i32 3
117  %q4 = fadd float %q0, %q1
118  %q5 = fadd float %q2, %q3
119  %q6 = fadd float %q4, %q5
120  %qi = fcmp olt float %q6, %q5
121  call void @llvm.assume(i1 %qi)
122  ret <4 x float> undef
123}
124
125; Insert in an order different from the vector indices to make sure it
126; doesn't matter
127define <4 x float> @simple_select_insert_out_of_order(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
128; CHECK-LABEL: @simple_select_insert_out_of_order(
129; CHECK-NEXT:    [[SHUFFLE:%.*]] = shufflevector <4 x i32> [[C:%.*]], <4 x i32> poison, <4 x i32> <i32 2, i32 1, i32 0, i32 3>
130; CHECK-NEXT:    [[SHUFFLE1:%.*]] = shufflevector <4 x float> [[A:%.*]], <4 x float> poison, <4 x i32> <i32 2, i32 1, i32 0, i32 3>
131; CHECK-NEXT:    [[SHUFFLE2:%.*]] = shufflevector <4 x float> [[B:%.*]], <4 x float> poison, <4 x i32> <i32 2, i32 1, i32 0, i32 3>
132; CHECK-NEXT:    [[TMP1:%.*]] = icmp ne <4 x i32> [[SHUFFLE]], zeroinitializer
133; CHECK-NEXT:    [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[SHUFFLE1]], <4 x float> [[SHUFFLE2]]
134; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
135; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP3]], i32 2
136; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
137; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP4]], i32 1
138; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
139; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[TMP5]], i32 0
140; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
141; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP6]], i32 3
142; CHECK-NEXT:    ret <4 x float> [[RD]]
143;
144  %c0 = extractelement <4 x i32> %c, i32 0
145  %c1 = extractelement <4 x i32> %c, i32 1
146  %c2 = extractelement <4 x i32> %c, i32 2
147  %c3 = extractelement <4 x i32> %c, i32 3
148  %a0 = extractelement <4 x float> %a, i32 0
149  %a1 = extractelement <4 x float> %a, i32 1
150  %a2 = extractelement <4 x float> %a, i32 2
151  %a3 = extractelement <4 x float> %a, i32 3
152  %b0 = extractelement <4 x float> %b, i32 0
153  %b1 = extractelement <4 x float> %b, i32 1
154  %b2 = extractelement <4 x float> %b, i32 2
155  %b3 = extractelement <4 x float> %b, i32 3
156  %cmp0 = icmp ne i32 %c0, 0
157  %cmp1 = icmp ne i32 %c1, 0
158  %cmp2 = icmp ne i32 %c2, 0
159  %cmp3 = icmp ne i32 %c3, 0
160  %s0 = select i1 %cmp0, float %a0, float %b0
161  %s1 = select i1 %cmp1, float %a1, float %b1
162  %s2 = select i1 %cmp2, float %a2, float %b2
163  %s3 = select i1 %cmp3, float %a3, float %b3
164  %ra = insertelement <4 x float> undef, float %s0, i32 2
165  %rb = insertelement <4 x float> %ra, float %s1, i32 1
166  %rc = insertelement <4 x float> %rb, float %s2, i32 0
167  %rd = insertelement <4 x float> %rc, float %s3, i32 3
168  ret <4 x float> %rd
169}
170
171declare void @v4f32_user(<4 x float>) #0
172declare void @f32_user(float) #0
173
174; Multiple users of the final constructed vector
175define <4 x float> @simple_select_users(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
176; CHECK-LABEL: @simple_select_users(
177; CHECK-NEXT:    [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer
178; CHECK-NEXT:    [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]]
179; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
180; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP3]], i32 0
181; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
182; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP4]], i32 1
183; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
184; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[TMP5]], i32 2
185; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
186; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP6]], i32 3
187; CHECK-NEXT:    call void @v4f32_user(<4 x float> [[RD]]) [[ATTR0:#.*]]
188; CHECK-NEXT:    ret <4 x float> [[RD]]
189;
190  %c0 = extractelement <4 x i32> %c, i32 0
191  %c1 = extractelement <4 x i32> %c, i32 1
192  %c2 = extractelement <4 x i32> %c, i32 2
193  %c3 = extractelement <4 x i32> %c, i32 3
194  %a0 = extractelement <4 x float> %a, i32 0
195  %a1 = extractelement <4 x float> %a, i32 1
196  %a2 = extractelement <4 x float> %a, i32 2
197  %a3 = extractelement <4 x float> %a, i32 3
198  %b0 = extractelement <4 x float> %b, i32 0
199  %b1 = extractelement <4 x float> %b, i32 1
200  %b2 = extractelement <4 x float> %b, i32 2
201  %b3 = extractelement <4 x float> %b, i32 3
202  %cmp0 = icmp ne i32 %c0, 0
203  %cmp1 = icmp ne i32 %c1, 0
204  %cmp2 = icmp ne i32 %c2, 0
205  %cmp3 = icmp ne i32 %c3, 0
206  %s0 = select i1 %cmp0, float %a0, float %b0
207  %s1 = select i1 %cmp1, float %a1, float %b1
208  %s2 = select i1 %cmp2, float %a2, float %b2
209  %s3 = select i1 %cmp3, float %a3, float %b3
210  %ra = insertelement <4 x float> undef, float %s0, i32 0
211  %rb = insertelement <4 x float> %ra, float %s1, i32 1
212  %rc = insertelement <4 x float> %rb, float %s2, i32 2
213  %rd = insertelement <4 x float> %rc, float %s3, i32 3
214  call void @v4f32_user(<4 x float> %rd) #0
215  ret <4 x float> %rd
216}
217
218; Unused insertelement
219define <4 x float> @simple_select_no_users(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
220; CHECK-LABEL: @simple_select_no_users(
221; CHECK-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
222; CHECK-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
223; CHECK-NEXT:    [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2
224; CHECK-NEXT:    [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3
225; CHECK-NEXT:    [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0
226; CHECK-NEXT:    [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1
227; CHECK-NEXT:    [[A2:%.*]] = extractelement <4 x float> [[A]], i32 2
228; CHECK-NEXT:    [[A3:%.*]] = extractelement <4 x float> [[A]], i32 3
229; CHECK-NEXT:    [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0
230; CHECK-NEXT:    [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1
231; CHECK-NEXT:    [[B2:%.*]] = extractelement <4 x float> [[B]], i32 2
232; CHECK-NEXT:    [[B3:%.*]] = extractelement <4 x float> [[B]], i32 3
233; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x i32> poison, i32 [[C0]], i32 0
234; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[C1]], i32 1
235; CHECK-NEXT:    [[TMP3:%.*]] = icmp ne <2 x i32> [[TMP2]], zeroinitializer
236; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <2 x i32> poison, i32 [[C2]], i32 0
237; CHECK-NEXT:    [[TMP5:%.*]] = insertelement <2 x i32> [[TMP4]], i32 [[C3]], i32 1
238; CHECK-NEXT:    [[TMP6:%.*]] = icmp ne <2 x i32> [[TMP5]], zeroinitializer
239; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x float> poison, float [[A0]], i32 0
240; CHECK-NEXT:    [[TMP8:%.*]] = insertelement <2 x float> [[TMP7]], float [[A1]], i32 1
241; CHECK-NEXT:    [[TMP9:%.*]] = insertelement <2 x float> poison, float [[B0]], i32 0
242; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <2 x float> [[TMP9]], float [[B1]], i32 1
243; CHECK-NEXT:    [[TMP11:%.*]] = select <2 x i1> [[TMP3]], <2 x float> [[TMP8]], <2 x float> [[TMP10]]
244; CHECK-NEXT:    [[TMP12:%.*]] = insertelement <2 x float> poison, float [[A2]], i32 0
245; CHECK-NEXT:    [[TMP13:%.*]] = insertelement <2 x float> [[TMP12]], float [[A3]], i32 1
246; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <2 x float> poison, float [[B2]], i32 0
247; CHECK-NEXT:    [[TMP15:%.*]] = insertelement <2 x float> [[TMP14]], float [[B3]], i32 1
248; CHECK-NEXT:    [[TMP16:%.*]] = select <2 x i1> [[TMP6]], <2 x float> [[TMP13]], <2 x float> [[TMP15]]
249; CHECK-NEXT:    [[TMP17:%.*]] = extractelement <2 x float> [[TMP11]], i32 0
250; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP17]], i32 0
251; CHECK-NEXT:    [[TMP18:%.*]] = extractelement <2 x float> [[TMP11]], i32 1
252; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP18]], i32 1
253; CHECK-NEXT:    [[TMP19:%.*]] = extractelement <2 x float> [[TMP16]], i32 0
254; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x float> undef, float [[TMP19]], i32 2
255; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <2 x float> [[TMP16]], i32 1
256; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP20]], i32 3
257; CHECK-NEXT:    ret <4 x float> [[RD]]
258;
259  %c0 = extractelement <4 x i32> %c, i32 0
260  %c1 = extractelement <4 x i32> %c, i32 1
261  %c2 = extractelement <4 x i32> %c, i32 2
262  %c3 = extractelement <4 x i32> %c, i32 3
263  %a0 = extractelement <4 x float> %a, i32 0
264  %a1 = extractelement <4 x float> %a, i32 1
265  %a2 = extractelement <4 x float> %a, i32 2
266  %a3 = extractelement <4 x float> %a, i32 3
267  %b0 = extractelement <4 x float> %b, i32 0
268  %b1 = extractelement <4 x float> %b, i32 1
269  %b2 = extractelement <4 x float> %b, i32 2
270  %b3 = extractelement <4 x float> %b, i32 3
271  %cmp0 = icmp ne i32 %c0, 0
272  %cmp1 = icmp ne i32 %c1, 0
273  %cmp2 = icmp ne i32 %c2, 0
274  %cmp3 = icmp ne i32 %c3, 0
275  %s0 = select i1 %cmp0, float %a0, float %b0
276  %s1 = select i1 %cmp1, float %a1, float %b1
277  %s2 = select i1 %cmp2, float %a2, float %b2
278  %s3 = select i1 %cmp3, float %a3, float %b3
279  %ra = insertelement <4 x float> undef, float %s0, i32 0
280  %rb = insertelement <4 x float> %ra, float %s1, i32 1
281  %rc = insertelement <4 x float> undef, float %s2, i32 2
282  %rd = insertelement <4 x float> %rc, float %s3, i32 3
283  ret <4 x float> %rd
284}
285
286; Make sure infinite loop doesn't happen which I ran into when trying
287; to do this backwards this backwards
288define <4 x i32> @reconstruct(<4 x i32> %c) #0 {
289; CHECK-LABEL: @reconstruct(
290; CHECK-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
291; CHECK-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
292; CHECK-NEXT:    [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2
293; CHECK-NEXT:    [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3
294; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x i32> undef, i32 [[C0]], i32 0
295; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x i32> [[RA]], i32 [[C1]], i32 1
296; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x i32> [[RB]], i32 [[C2]], i32 2
297; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x i32> [[RC]], i32 [[C3]], i32 3
298; CHECK-NEXT:    ret <4 x i32> [[RD]]
299;
300  %c0 = extractelement <4 x i32> %c, i32 0
301  %c1 = extractelement <4 x i32> %c, i32 1
302  %c2 = extractelement <4 x i32> %c, i32 2
303  %c3 = extractelement <4 x i32> %c, i32 3
304  %ra = insertelement <4 x i32> undef, i32 %c0, i32 0
305  %rb = insertelement <4 x i32> %ra, i32 %c1, i32 1
306  %rc = insertelement <4 x i32> %rb, i32 %c2, i32 2
307  %rd = insertelement <4 x i32> %rc, i32 %c3, i32 3
308  ret <4 x i32> %rd
309}
310
311define <2 x float> @simple_select_v2(<2 x float> %a, <2 x float> %b, <2 x i32> %c) #0 {
312; CHECK-LABEL: @simple_select_v2(
313; CHECK-NEXT:    [[TMP1:%.*]] = icmp ne <2 x i32> [[C:%.*]], zeroinitializer
314; CHECK-NEXT:    [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x float> [[A:%.*]], <2 x float> [[B:%.*]]
315; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x float> [[TMP2]], i32 0
316; CHECK-NEXT:    [[RA:%.*]] = insertelement <2 x float> undef, float [[TMP3]], i32 0
317; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <2 x float> [[TMP2]], i32 1
318; CHECK-NEXT:    [[RB:%.*]] = insertelement <2 x float> [[RA]], float [[TMP4]], i32 1
319; CHECK-NEXT:    ret <2 x float> [[RB]]
320;
321  %c0 = extractelement <2 x i32> %c, i32 0
322  %c1 = extractelement <2 x i32> %c, i32 1
323  %a0 = extractelement <2 x float> %a, i32 0
324  %a1 = extractelement <2 x float> %a, i32 1
325  %b0 = extractelement <2 x float> %b, i32 0
326  %b1 = extractelement <2 x float> %b, i32 1
327  %cmp0 = icmp ne i32 %c0, 0
328  %cmp1 = icmp ne i32 %c1, 0
329  %s0 = select i1 %cmp0, float %a0, float %b0
330  %s1 = select i1 %cmp1, float %a1, float %b1
331  %ra = insertelement <2 x float> undef, float %s0, i32 0
332  %rb = insertelement <2 x float> %ra, float %s1, i32 1
333  ret <2 x float> %rb
334}
335
336; Make sure when we construct partial vectors, we don't keep
337; re-visiting the insertelement chains starting with undef
338; (low cost threshold needed to force this to happen)
339define <4 x float> @simple_select_partial_vector(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
340; CHECK-LABEL: @simple_select_partial_vector(
341; CHECK-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
342; CHECK-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
343; CHECK-NEXT:    [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0
344; CHECK-NEXT:    [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1
345; CHECK-NEXT:    [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0
346; CHECK-NEXT:    [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1
347; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x i32> undef, i32 [[C0]], i32 0
348; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[C1]], i32 1
349; CHECK-NEXT:    [[TMP3:%.*]] = icmp ne <2 x i32> [[TMP2]], zeroinitializer
350; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <2 x float> undef, float [[A0]], i32 0
351; CHECK-NEXT:    [[TMP5:%.*]] = insertelement <2 x float> [[TMP4]], float [[A1]], i32 1
352; CHECK-NEXT:    [[TMP6:%.*]] = insertelement <2 x float> undef, float [[B0]], i32 0
353; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x float> [[TMP6]], float [[B1]], i32 1
354; CHECK-NEXT:    [[TMP8:%.*]] = select <2 x i1> [[TMP3]], <2 x float> [[TMP5]], <2 x float> [[TMP7]]
355; CHECK-NEXT:    [[TMP9:%.*]] = extractelement <2 x float> [[TMP8]], i32 0
356; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP9]], i32 0
357; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <2 x float> [[TMP8]], i32 1
358; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP10]], i32 1
359; CHECK-NEXT:    ret <4 x float> [[RB]]
360;
361  %c0 = extractelement <4 x i32> %c, i32 0
362  %c1 = extractelement <4 x i32> %c, i32 1
363  %a0 = extractelement <4 x float> %a, i32 0
364  %a1 = extractelement <4 x float> %a, i32 1
365  %b0 = extractelement <4 x float> %b, i32 0
366  %b1 = extractelement <4 x float> %b, i32 1
367  %1 = insertelement <2 x i32> undef, i32 %c0, i32 0
368  %2 = insertelement <2 x i32> %1, i32 %c1, i32 1
369  %3 = icmp ne <2 x i32> %2, zeroinitializer
370  %4 = insertelement <2 x float> undef, float %a0, i32 0
371  %5 = insertelement <2 x float> %4, float %a1, i32 1
372  %6 = insertelement <2 x float> undef, float %b0, i32 0
373  %7 = insertelement <2 x float> %6, float %b1, i32 1
374  %8 = select <2 x i1> %3, <2 x float> %5, <2 x float> %7
375  %9 = extractelement <2 x float> %8, i32 0
376  %ra = insertelement <4 x float> undef, float %9, i32 0
377  %10 = extractelement <2 x float> %8, i32 1
378  %rb = insertelement <4 x float> %ra, float %10, i32 1
379  ret <4 x float> %rb
380}
381
382; Make sure that vectorization happens even if insertelements operations
383; must be rescheduled. The case here is from compiling Julia.
384define <4 x float> @reschedule_extract(<4 x float> %a, <4 x float> %b) {
385; CHECK-LABEL: @reschedule_extract(
386; CHECK-NEXT:    [[TMP1:%.*]] = fadd <4 x float> [[A:%.*]], [[B:%.*]]
387; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[TMP1]], i32 0
388; CHECK-NEXT:    [[V0:%.*]] = insertelement <4 x float> undef, float [[TMP2]], i32 0
389; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP1]], i32 1
390; CHECK-NEXT:    [[V1:%.*]] = insertelement <4 x float> [[V0]], float [[TMP3]], i32 1
391; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP1]], i32 2
392; CHECK-NEXT:    [[V2:%.*]] = insertelement <4 x float> [[V1]], float [[TMP4]], i32 2
393; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP1]], i32 3
394; CHECK-NEXT:    [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[TMP5]], i32 3
395; CHECK-NEXT:    ret <4 x float> [[V3]]
396;
397  %a0 = extractelement <4 x float> %a, i32 0
398  %b0 = extractelement <4 x float> %b, i32 0
399  %c0 = fadd float %a0, %b0
400  %v0 = insertelement <4 x float> undef, float %c0, i32 0
401  %a1 = extractelement <4 x float> %a, i32 1
402  %b1 = extractelement <4 x float> %b, i32 1
403  %c1 = fadd float %a1, %b1
404  %v1 = insertelement <4 x float> %v0, float %c1, i32 1
405  %a2 = extractelement <4 x float> %a, i32 2
406  %b2 = extractelement <4 x float> %b, i32 2
407  %c2 = fadd float %a2, %b2
408  %v2 = insertelement <4 x float> %v1, float %c2, i32 2
409  %a3 = extractelement <4 x float> %a, i32 3
410  %b3 = extractelement <4 x float> %b, i32 3
411  %c3 = fadd float %a3, %b3
412  %v3 = insertelement <4 x float> %v2, float %c3, i32 3
413  ret <4 x float> %v3
414}
415
416; Check that cost model for vectorization takes credit for
417; instructions that are erased.
418define <4 x float> @take_credit(<4 x float> %a, <4 x float> %b) {
419; CHECK-LABEL: @take_credit(
420; CHECK-NEXT:    [[TMP1:%.*]] = fadd <4 x float> [[A:%.*]], [[B:%.*]]
421; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[TMP1]], i32 0
422; CHECK-NEXT:    [[V0:%.*]] = insertelement <4 x float> undef, float [[TMP2]], i32 0
423; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP1]], i32 1
424; CHECK-NEXT:    [[V1:%.*]] = insertelement <4 x float> [[V0]], float [[TMP3]], i32 1
425; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP1]], i32 2
426; CHECK-NEXT:    [[V2:%.*]] = insertelement <4 x float> [[V1]], float [[TMP4]], i32 2
427; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP1]], i32 3
428; CHECK-NEXT:    [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[TMP5]], i32 3
429; CHECK-NEXT:    ret <4 x float> [[V3]]
430;
431  %a0 = extractelement <4 x float> %a, i32 0
432  %b0 = extractelement <4 x float> %b, i32 0
433  %c0 = fadd float %a0, %b0
434  %a1 = extractelement <4 x float> %a, i32 1
435  %b1 = extractelement <4 x float> %b, i32 1
436  %c1 = fadd float %a1, %b1
437  %a2 = extractelement <4 x float> %a, i32 2
438  %b2 = extractelement <4 x float> %b, i32 2
439  %c2 = fadd float %a2, %b2
440  %a3 = extractelement <4 x float> %a, i32 3
441  %b3 = extractelement <4 x float> %b, i32 3
442  %c3 = fadd float %a3, %b3
443  %v0 = insertelement <4 x float> undef, float %c0, i32 0
444  %v1 = insertelement <4 x float> %v0, float %c1, i32 1
445  %v2 = insertelement <4 x float> %v1, float %c2, i32 2
446  %v3 = insertelement <4 x float> %v2, float %c3, i32 3
447  ret <4 x float> %v3
448}
449
450; Make sure we handle multiple trees that feed one build vector correctly.
451define <4 x double> @multi_tree(double %w, double %x, double %y, double %z) {
452; CHECK-LABEL: @multi_tree(
453; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <4 x double> poison, double [[Z:%.*]], i32 0
454; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <4 x double> [[TMP1]], double [[Y:%.*]], i32 1
455; CHECK-NEXT:    [[TMP3:%.*]] = insertelement <4 x double> [[TMP2]], double [[X:%.*]], i32 2
456; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <4 x double> [[TMP3]], double [[W:%.*]], i32 3
457; CHECK-NEXT:    [[TMP5:%.*]] = fadd <4 x double> [[TMP4]], <double 3.000000e+00, double 2.000000e+00, double 1.000000e+00, double 0.000000e+00>
458; CHECK-NEXT:    [[TMP6:%.*]] = fmul <4 x double> [[TMP5]], <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
459; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <4 x double> [[TMP6]], i32 3
460; CHECK-NEXT:    [[I1:%.*]] = insertelement <4 x double> undef, double [[TMP7]], i32 3
461; CHECK-NEXT:    [[TMP8:%.*]] = extractelement <4 x double> [[TMP6]], i32 2
462; CHECK-NEXT:    [[I2:%.*]] = insertelement <4 x double> [[I1]], double [[TMP8]], i32 2
463; CHECK-NEXT:    [[TMP9:%.*]] = extractelement <4 x double> [[TMP6]], i32 1
464; CHECK-NEXT:    [[I3:%.*]] = insertelement <4 x double> [[I2]], double [[TMP9]], i32 1
465; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <4 x double> [[TMP6]], i32 0
466; CHECK-NEXT:    [[I4:%.*]] = insertelement <4 x double> [[I3]], double [[TMP10]], i32 0
467; CHECK-NEXT:    ret <4 x double> [[I4]]
468;
469  %t0 = fadd double %w , 0.000000e+00
470  %t1 = fadd double %x , 1.000000e+00
471  %t2 = fadd double %y , 2.000000e+00
472  %t3 = fadd double %z , 3.000000e+00
473  %t4 = fmul double %t0, 1.000000e+00
474  %i1 = insertelement <4 x double> undef, double %t4, i32 3
475  %t5 = fmul double %t1, 1.000000e+00
476  %i2 = insertelement <4 x double> %i1, double %t5, i32 2
477  %t6 = fmul double %t2, 1.000000e+00
478  %i3 = insertelement <4 x double> %i2, double %t6, i32 1
479  %t7 = fmul double %t3, 1.000000e+00
480  %i4 = insertelement <4 x double> %i3, double %t7, i32 0
481  ret <4 x double> %i4
482}
483
484define <8 x float> @_vadd256(<8 x float> %a, <8 x float> %b) local_unnamed_addr #0 {
485; CHECK-LABEL: @_vadd256(
486; CHECK-NEXT:    [[TMP1:%.*]] = fadd <8 x float> [[A:%.*]], [[B:%.*]]
487; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <8 x float> [[TMP1]], i32 0
488; CHECK-NEXT:    [[VECINIT_I:%.*]] = insertelement <8 x float> undef, float [[TMP2]], i32 0
489; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <8 x float> [[TMP1]], i32 1
490; CHECK-NEXT:    [[VECINIT1_I:%.*]] = insertelement <8 x float> [[VECINIT_I]], float [[TMP3]], i32 1
491; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <8 x float> [[TMP1]], i32 2
492; CHECK-NEXT:    [[VECINIT2_I:%.*]] = insertelement <8 x float> [[VECINIT1_I]], float [[TMP4]], i32 2
493; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <8 x float> [[TMP1]], i32 3
494; CHECK-NEXT:    [[VECINIT3_I:%.*]] = insertelement <8 x float> [[VECINIT2_I]], float [[TMP5]], i32 3
495; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <8 x float> [[TMP1]], i32 4
496; CHECK-NEXT:    [[VECINIT4_I:%.*]] = insertelement <8 x float> [[VECINIT3_I]], float [[TMP6]], i32 4
497; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <8 x float> [[TMP1]], i32 5
498; CHECK-NEXT:    [[VECINIT5_I:%.*]] = insertelement <8 x float> [[VECINIT4_I]], float [[TMP7]], i32 5
499; CHECK-NEXT:    [[TMP8:%.*]] = extractelement <8 x float> [[TMP1]], i32 6
500; CHECK-NEXT:    [[VECINIT6_I:%.*]] = insertelement <8 x float> [[VECINIT5_I]], float [[TMP8]], i32 6
501; CHECK-NEXT:    [[TMP9:%.*]] = extractelement <8 x float> [[TMP1]], i32 7
502; CHECK-NEXT:    [[VECINIT7_I:%.*]] = insertelement <8 x float> [[VECINIT6_I]], float [[TMP9]], i32 7
503; CHECK-NEXT:    ret <8 x float> [[VECINIT7_I]]
504;
505  %vecext = extractelement <8 x float> %a, i32 0
506  %vecext1 = extractelement <8 x float> %b, i32 0
507  %add = fadd float %vecext, %vecext1
508  %vecext2 = extractelement <8 x float> %a, i32 1
509  %vecext3 = extractelement <8 x float> %b, i32 1
510  %add4 = fadd float %vecext2, %vecext3
511  %vecext5 = extractelement <8 x float> %a, i32 2
512  %vecext6 = extractelement <8 x float> %b, i32 2
513  %add7 = fadd float %vecext5, %vecext6
514  %vecext8 = extractelement <8 x float> %a, i32 3
515  %vecext9 = extractelement <8 x float> %b, i32 3
516  %add10 = fadd float %vecext8, %vecext9
517  %vecext11 = extractelement <8 x float> %a, i32 4
518  %vecext12 = extractelement <8 x float> %b, i32 4
519  %add13 = fadd float %vecext11, %vecext12
520  %vecext14 = extractelement <8 x float> %a, i32 5
521  %vecext15 = extractelement <8 x float> %b, i32 5
522  %add16 = fadd float %vecext14, %vecext15
523  %vecext17 = extractelement <8 x float> %a, i32 6
524  %vecext18 = extractelement <8 x float> %b, i32 6
525  %add19 = fadd float %vecext17, %vecext18
526  %vecext20 = extractelement <8 x float> %a, i32 7
527  %vecext21 = extractelement <8 x float> %b, i32 7
528  %add22 = fadd float %vecext20, %vecext21
529  %vecinit.i = insertelement <8 x float> undef, float %add, i32 0
530  %vecinit1.i = insertelement <8 x float> %vecinit.i, float %add4, i32 1
531  %vecinit2.i = insertelement <8 x float> %vecinit1.i, float %add7, i32 2
532  %vecinit3.i = insertelement <8 x float> %vecinit2.i, float %add10, i32 3
533  %vecinit4.i = insertelement <8 x float> %vecinit3.i, float %add13, i32 4
534  %vecinit5.i = insertelement <8 x float> %vecinit4.i, float %add16, i32 5
535  %vecinit6.i = insertelement <8 x float> %vecinit5.i, float %add19, i32 6
536  %vecinit7.i = insertelement <8 x float> %vecinit6.i, float %add22, i32 7
537  ret <8 x float> %vecinit7.i
538}
539
540attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
541