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 --check-prefix=ZEROTHRESH
4target 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"
5
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; ZEROTHRESH-LABEL: @simple_select(
23; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer
24; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]]
25; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
26; ZEROTHRESH-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP3]], i32 0
27; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
28; ZEROTHRESH-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP4]], i32 1
29; ZEROTHRESH-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
30; ZEROTHRESH-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[TMP5]], i32 2
31; ZEROTHRESH-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
32; ZEROTHRESH-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP6]], i32 3
33; ZEROTHRESH-NEXT:    ret <4 x float> [[RD]]
34;
35  %c0 = extractelement <4 x i32> %c, i32 0
36  %c1 = extractelement <4 x i32> %c, i32 1
37  %c2 = extractelement <4 x i32> %c, i32 2
38  %c3 = extractelement <4 x i32> %c, i32 3
39  %a0 = extractelement <4 x float> %a, i32 0
40  %a1 = extractelement <4 x float> %a, i32 1
41  %a2 = extractelement <4 x float> %a, i32 2
42  %a3 = extractelement <4 x float> %a, i32 3
43  %b0 = extractelement <4 x float> %b, i32 0
44  %b1 = extractelement <4 x float> %b, i32 1
45  %b2 = extractelement <4 x float> %b, i32 2
46  %b3 = extractelement <4 x float> %b, i32 3
47  %cmp0 = icmp ne i32 %c0, 0
48  %cmp1 = icmp ne i32 %c1, 0
49  %cmp2 = icmp ne i32 %c2, 0
50  %cmp3 = icmp ne i32 %c3, 0
51  %s0 = select i1 %cmp0, float %a0, float %b0
52  %s1 = select i1 %cmp1, float %a1, float %b1
53  %s2 = select i1 %cmp2, float %a2, float %b2
54  %s3 = select i1 %cmp3, float %a3, float %b3
55  %ra = insertelement <4 x float> undef, float %s0, i32 0
56  %rb = insertelement <4 x float> %ra, float %s1, i32 1
57  %rc = insertelement <4 x float> %rb, float %s2, i32 2
58  %rd = insertelement <4 x float> %rc, float %s3, i32 3
59  ret <4 x float> %rd
60}
61
62declare void @llvm.assume(i1) nounwind
63
64; This entire tree is ephemeral, don't vectorize any of it.
65define <4 x float> @simple_select_eph(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
66; CHECK-LABEL: @simple_select_eph(
67; CHECK-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
68; CHECK-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
69; CHECK-NEXT:    [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2
70; CHECK-NEXT:    [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3
71; CHECK-NEXT:    [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0
72; CHECK-NEXT:    [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1
73; CHECK-NEXT:    [[A2:%.*]] = extractelement <4 x float> [[A]], i32 2
74; CHECK-NEXT:    [[A3:%.*]] = extractelement <4 x float> [[A]], i32 3
75; CHECK-NEXT:    [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0
76; CHECK-NEXT:    [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1
77; CHECK-NEXT:    [[B2:%.*]] = extractelement <4 x float> [[B]], i32 2
78; CHECK-NEXT:    [[B3:%.*]] = extractelement <4 x float> [[B]], i32 3
79; CHECK-NEXT:    [[CMP0:%.*]] = icmp ne i32 [[C0]], 0
80; CHECK-NEXT:    [[CMP1:%.*]] = icmp ne i32 [[C1]], 0
81; CHECK-NEXT:    [[CMP2:%.*]] = icmp ne i32 [[C2]], 0
82; CHECK-NEXT:    [[CMP3:%.*]] = icmp ne i32 [[C3]], 0
83; CHECK-NEXT:    [[S0:%.*]] = select i1 [[CMP0]], float [[A0]], float [[B0]]
84; CHECK-NEXT:    [[S1:%.*]] = select i1 [[CMP1]], float [[A1]], float [[B1]]
85; CHECK-NEXT:    [[S2:%.*]] = select i1 [[CMP2]], float [[A2]], float [[B2]]
86; CHECK-NEXT:    [[S3:%.*]] = select i1 [[CMP3]], float [[A3]], float [[B3]]
87; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[S0]], i32 0
88; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[S1]], i32 1
89; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[S2]], i32 2
90; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[S3]], i32 3
91; CHECK-NEXT:    [[Q0:%.*]] = extractelement <4 x float> [[RD]], i32 0
92; CHECK-NEXT:    [[Q1:%.*]] = extractelement <4 x float> [[RD]], i32 1
93; CHECK-NEXT:    [[Q2:%.*]] = extractelement <4 x float> [[RD]], i32 2
94; CHECK-NEXT:    [[Q3:%.*]] = extractelement <4 x float> [[RD]], i32 3
95; CHECK-NEXT:    [[Q4:%.*]] = fadd float [[Q0]], [[Q1]]
96; CHECK-NEXT:    [[Q5:%.*]] = fadd float [[Q2]], [[Q3]]
97; CHECK-NEXT:    [[Q6:%.*]] = fadd float [[Q4]], [[Q5]]
98; CHECK-NEXT:    [[QI:%.*]] = fcmp olt float [[Q6]], [[Q5]]
99; CHECK-NEXT:    call void @llvm.assume(i1 [[QI]])
100; CHECK-NEXT:    ret <4 x float> undef
101;
102; ZEROTHRESH-LABEL: @simple_select_eph(
103; ZEROTHRESH-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
104; ZEROTHRESH-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
105; ZEROTHRESH-NEXT:    [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2
106; ZEROTHRESH-NEXT:    [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3
107; ZEROTHRESH-NEXT:    [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0
108; ZEROTHRESH-NEXT:    [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1
109; ZEROTHRESH-NEXT:    [[A2:%.*]] = extractelement <4 x float> [[A]], i32 2
110; ZEROTHRESH-NEXT:    [[A3:%.*]] = extractelement <4 x float> [[A]], i32 3
111; ZEROTHRESH-NEXT:    [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0
112; ZEROTHRESH-NEXT:    [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1
113; ZEROTHRESH-NEXT:    [[B2:%.*]] = extractelement <4 x float> [[B]], i32 2
114; ZEROTHRESH-NEXT:    [[B3:%.*]] = extractelement <4 x float> [[B]], i32 3
115; ZEROTHRESH-NEXT:    [[CMP0:%.*]] = icmp ne i32 [[C0]], 0
116; ZEROTHRESH-NEXT:    [[CMP1:%.*]] = icmp ne i32 [[C1]], 0
117; ZEROTHRESH-NEXT:    [[CMP2:%.*]] = icmp ne i32 [[C2]], 0
118; ZEROTHRESH-NEXT:    [[CMP3:%.*]] = icmp ne i32 [[C3]], 0
119; ZEROTHRESH-NEXT:    [[S0:%.*]] = select i1 [[CMP0]], float [[A0]], float [[B0]]
120; ZEROTHRESH-NEXT:    [[S1:%.*]] = select i1 [[CMP1]], float [[A1]], float [[B1]]
121; ZEROTHRESH-NEXT:    [[S2:%.*]] = select i1 [[CMP2]], float [[A2]], float [[B2]]
122; ZEROTHRESH-NEXT:    [[S3:%.*]] = select i1 [[CMP3]], float [[A3]], float [[B3]]
123; ZEROTHRESH-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[S0]], i32 0
124; ZEROTHRESH-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[S1]], i32 1
125; ZEROTHRESH-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[S2]], i32 2
126; ZEROTHRESH-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[S3]], i32 3
127; ZEROTHRESH-NEXT:    [[Q0:%.*]] = extractelement <4 x float> [[RD]], i32 0
128; ZEROTHRESH-NEXT:    [[Q1:%.*]] = extractelement <4 x float> [[RD]], i32 1
129; ZEROTHRESH-NEXT:    [[Q2:%.*]] = extractelement <4 x float> [[RD]], i32 2
130; ZEROTHRESH-NEXT:    [[Q3:%.*]] = extractelement <4 x float> [[RD]], i32 3
131; ZEROTHRESH-NEXT:    [[Q4:%.*]] = fadd float [[Q0]], [[Q1]]
132; ZEROTHRESH-NEXT:    [[Q5:%.*]] = fadd float [[Q2]], [[Q3]]
133; ZEROTHRESH-NEXT:    [[Q6:%.*]] = fadd float [[Q4]], [[Q5]]
134; ZEROTHRESH-NEXT:    [[QI:%.*]] = fcmp olt float [[Q6]], [[Q5]]
135; ZEROTHRESH-NEXT:    call void @llvm.assume(i1 [[QI]])
136; ZEROTHRESH-NEXT:    ret <4 x float> undef
137;
138  %c0 = extractelement <4 x i32> %c, i32 0
139  %c1 = extractelement <4 x i32> %c, i32 1
140  %c2 = extractelement <4 x i32> %c, i32 2
141  %c3 = extractelement <4 x i32> %c, i32 3
142  %a0 = extractelement <4 x float> %a, i32 0
143  %a1 = extractelement <4 x float> %a, i32 1
144  %a2 = extractelement <4 x float> %a, i32 2
145  %a3 = extractelement <4 x float> %a, i32 3
146  %b0 = extractelement <4 x float> %b, i32 0
147  %b1 = extractelement <4 x float> %b, i32 1
148  %b2 = extractelement <4 x float> %b, i32 2
149  %b3 = extractelement <4 x float> %b, i32 3
150  %cmp0 = icmp ne i32 %c0, 0
151  %cmp1 = icmp ne i32 %c1, 0
152  %cmp2 = icmp ne i32 %c2, 0
153  %cmp3 = icmp ne i32 %c3, 0
154  %s0 = select i1 %cmp0, float %a0, float %b0
155  %s1 = select i1 %cmp1, float %a1, float %b1
156  %s2 = select i1 %cmp2, float %a2, float %b2
157  %s3 = select i1 %cmp3, float %a3, float %b3
158  %ra = insertelement <4 x float> undef, float %s0, i32 0
159  %rb = insertelement <4 x float> %ra, float %s1, i32 1
160  %rc = insertelement <4 x float> %rb, float %s2, i32 2
161  %rd = insertelement <4 x float> %rc, float %s3, i32 3
162  %q0 = extractelement <4 x float> %rd, i32 0
163  %q1 = extractelement <4 x float> %rd, i32 1
164  %q2 = extractelement <4 x float> %rd, i32 2
165  %q3 = extractelement <4 x float> %rd, i32 3
166  %q4 = fadd float %q0, %q1
167  %q5 = fadd float %q2, %q3
168  %q6 = fadd float %q4, %q5
169  %qi = fcmp olt float %q6, %q5
170  call void @llvm.assume(i1 %qi)
171  ret <4 x float> undef
172}
173
174; Insert in an order different from the vector indices to make sure it
175; doesn't matter
176define <4 x float> @simple_select_insert_out_of_order(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
177; CHECK-LABEL: @simple_select_insert_out_of_order(
178; CHECK-NEXT:    [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer
179; CHECK-NEXT:    [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]]
180; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
181; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP3]], i32 2
182; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
183; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP4]], i32 1
184; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
185; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[TMP5]], i32 0
186; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
187; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP6]], i32 3
188; CHECK-NEXT:    ret <4 x float> [[RD]]
189;
190; ZEROTHRESH-LABEL: @simple_select_insert_out_of_order(
191; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer
192; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]]
193; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
194; ZEROTHRESH-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP3]], i32 2
195; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
196; ZEROTHRESH-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP4]], i32 1
197; ZEROTHRESH-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
198; ZEROTHRESH-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[TMP5]], i32 0
199; ZEROTHRESH-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
200; ZEROTHRESH-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP6]], i32 3
201; ZEROTHRESH-NEXT:    ret <4 x float> [[RD]]
202;
203  %c0 = extractelement <4 x i32> %c, i32 0
204  %c1 = extractelement <4 x i32> %c, i32 1
205  %c2 = extractelement <4 x i32> %c, i32 2
206  %c3 = extractelement <4 x i32> %c, i32 3
207  %a0 = extractelement <4 x float> %a, i32 0
208  %a1 = extractelement <4 x float> %a, i32 1
209  %a2 = extractelement <4 x float> %a, i32 2
210  %a3 = extractelement <4 x float> %a, i32 3
211  %b0 = extractelement <4 x float> %b, i32 0
212  %b1 = extractelement <4 x float> %b, i32 1
213  %b2 = extractelement <4 x float> %b, i32 2
214  %b3 = extractelement <4 x float> %b, i32 3
215  %cmp0 = icmp ne i32 %c0, 0
216  %cmp1 = icmp ne i32 %c1, 0
217  %cmp2 = icmp ne i32 %c2, 0
218  %cmp3 = icmp ne i32 %c3, 0
219  %s0 = select i1 %cmp0, float %a0, float %b0
220  %s1 = select i1 %cmp1, float %a1, float %b1
221  %s2 = select i1 %cmp2, float %a2, float %b2
222  %s3 = select i1 %cmp3, float %a3, float %b3
223  %ra = insertelement <4 x float> undef, float %s0, i32 2
224  %rb = insertelement <4 x float> %ra, float %s1, i32 1
225  %rc = insertelement <4 x float> %rb, float %s2, i32 0
226  %rd = insertelement <4 x float> %rc, float %s3, i32 3
227  ret <4 x float> %rd
228}
229
230declare void @v4f32_user(<4 x float>) #0
231declare void @f32_user(float) #0
232
233; Multiple users of the final constructed vector
234define <4 x float> @simple_select_users(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
235; CHECK-LABEL: @simple_select_users(
236; CHECK-NEXT:    [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer
237; CHECK-NEXT:    [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]]
238; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
239; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP3]], i32 0
240; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
241; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP4]], i32 1
242; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
243; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[TMP5]], i32 2
244; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
245; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP6]], i32 3
246; CHECK-NEXT:    call void @v4f32_user(<4 x float> [[RD]]) #0
247; CHECK-NEXT:    ret <4 x float> [[RD]]
248;
249; ZEROTHRESH-LABEL: @simple_select_users(
250; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = icmp ne <4 x i32> [[C:%.*]], zeroinitializer
251; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = select <4 x i1> [[TMP1]], <4 x float> [[A:%.*]], <4 x float> [[B:%.*]]
252; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP2]], i32 0
253; ZEROTHRESH-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP3]], i32 0
254; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP2]], i32 1
255; ZEROTHRESH-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP4]], i32 1
256; ZEROTHRESH-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP2]], i32 2
257; ZEROTHRESH-NEXT:    [[RC:%.*]] = insertelement <4 x float> [[RB]], float [[TMP5]], i32 2
258; ZEROTHRESH-NEXT:    [[TMP6:%.*]] = extractelement <4 x float> [[TMP2]], i32 3
259; ZEROTHRESH-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP6]], i32 3
260; ZEROTHRESH-NEXT:    call void @v4f32_user(<4 x float> [[RD]]) #0
261; ZEROTHRESH-NEXT:    ret <4 x float> [[RD]]
262;
263  %c0 = extractelement <4 x i32> %c, i32 0
264  %c1 = extractelement <4 x i32> %c, i32 1
265  %c2 = extractelement <4 x i32> %c, i32 2
266  %c3 = extractelement <4 x i32> %c, i32 3
267  %a0 = extractelement <4 x float> %a, i32 0
268  %a1 = extractelement <4 x float> %a, i32 1
269  %a2 = extractelement <4 x float> %a, i32 2
270  %a3 = extractelement <4 x float> %a, i32 3
271  %b0 = extractelement <4 x float> %b, i32 0
272  %b1 = extractelement <4 x float> %b, i32 1
273  %b2 = extractelement <4 x float> %b, i32 2
274  %b3 = extractelement <4 x float> %b, i32 3
275  %cmp0 = icmp ne i32 %c0, 0
276  %cmp1 = icmp ne i32 %c1, 0
277  %cmp2 = icmp ne i32 %c2, 0
278  %cmp3 = icmp ne i32 %c3, 0
279  %s0 = select i1 %cmp0, float %a0, float %b0
280  %s1 = select i1 %cmp1, float %a1, float %b1
281  %s2 = select i1 %cmp2, float %a2, float %b2
282  %s3 = select i1 %cmp3, float %a3, float %b3
283  %ra = insertelement <4 x float> undef, float %s0, i32 0
284  %rb = insertelement <4 x float> %ra, float %s1, i32 1
285  %rc = insertelement <4 x float> %rb, float %s2, i32 2
286  %rd = insertelement <4 x float> %rc, float %s3, i32 3
287  call void @v4f32_user(<4 x float> %rd) #0
288  ret <4 x float> %rd
289}
290
291; Unused insertelement
292define <4 x float> @simple_select_no_users(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
293; CHECK-LABEL: @simple_select_no_users(
294; CHECK-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
295; CHECK-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
296; CHECK-NEXT:    [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2
297; CHECK-NEXT:    [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3
298; CHECK-NEXT:    [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0
299; CHECK-NEXT:    [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1
300; CHECK-NEXT:    [[A2:%.*]] = extractelement <4 x float> [[A]], i32 2
301; CHECK-NEXT:    [[A3:%.*]] = extractelement <4 x float> [[A]], i32 3
302; CHECK-NEXT:    [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0
303; CHECK-NEXT:    [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1
304; CHECK-NEXT:    [[B2:%.*]] = extractelement <4 x float> [[B]], i32 2
305; CHECK-NEXT:    [[B3:%.*]] = extractelement <4 x float> [[B]], i32 3
306; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x i32> undef, i32 [[C0]], i32 0
307; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[C1]], i32 1
308; CHECK-NEXT:    [[TMP3:%.*]] = icmp ne <2 x i32> [[TMP2]], zeroinitializer
309; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <2 x i32> undef, i32 [[C2]], i32 0
310; CHECK-NEXT:    [[TMP5:%.*]] = insertelement <2 x i32> [[TMP4]], i32 [[C3]], i32 1
311; CHECK-NEXT:    [[TMP6:%.*]] = icmp ne <2 x i32> [[TMP5]], zeroinitializer
312; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x float> undef, float [[A0]], i32 0
313; CHECK-NEXT:    [[TMP8:%.*]] = insertelement <2 x float> [[TMP7]], float [[A1]], i32 1
314; CHECK-NEXT:    [[TMP9:%.*]] = insertelement <2 x float> undef, float [[B0]], i32 0
315; CHECK-NEXT:    [[TMP10:%.*]] = insertelement <2 x float> [[TMP9]], float [[B1]], i32 1
316; CHECK-NEXT:    [[TMP11:%.*]] = select <2 x i1> [[TMP3]], <2 x float> [[TMP8]], <2 x float> [[TMP10]]
317; CHECK-NEXT:    [[TMP12:%.*]] = insertelement <2 x float> undef, float [[A2]], i32 0
318; CHECK-NEXT:    [[TMP13:%.*]] = insertelement <2 x float> [[TMP12]], float [[A3]], i32 1
319; CHECK-NEXT:    [[TMP14:%.*]] = insertelement <2 x float> undef, float [[B2]], i32 0
320; CHECK-NEXT:    [[TMP15:%.*]] = insertelement <2 x float> [[TMP14]], float [[B3]], i32 1
321; CHECK-NEXT:    [[TMP16:%.*]] = select <2 x i1> [[TMP6]], <2 x float> [[TMP13]], <2 x float> [[TMP15]]
322; CHECK-NEXT:    [[TMP17:%.*]] = extractelement <2 x float> [[TMP11]], i32 0
323; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP17]], i32 0
324; CHECK-NEXT:    [[TMP18:%.*]] = extractelement <2 x float> [[TMP11]], i32 1
325; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP18]], i32 1
326; CHECK-NEXT:    [[TMP19:%.*]] = extractelement <2 x float> [[TMP16]], i32 0
327; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x float> undef, float [[TMP19]], i32 2
328; CHECK-NEXT:    [[TMP20:%.*]] = extractelement <2 x float> [[TMP16]], i32 1
329; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP20]], i32 3
330; CHECK-NEXT:    ret <4 x float> [[RD]]
331;
332; ZEROTHRESH-LABEL: @simple_select_no_users(
333; ZEROTHRESH-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
334; ZEROTHRESH-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
335; ZEROTHRESH-NEXT:    [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2
336; ZEROTHRESH-NEXT:    [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3
337; ZEROTHRESH-NEXT:    [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0
338; ZEROTHRESH-NEXT:    [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1
339; ZEROTHRESH-NEXT:    [[A2:%.*]] = extractelement <4 x float> [[A]], i32 2
340; ZEROTHRESH-NEXT:    [[A3:%.*]] = extractelement <4 x float> [[A]], i32 3
341; ZEROTHRESH-NEXT:    [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0
342; ZEROTHRESH-NEXT:    [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1
343; ZEROTHRESH-NEXT:    [[B2:%.*]] = extractelement <4 x float> [[B]], i32 2
344; ZEROTHRESH-NEXT:    [[B3:%.*]] = extractelement <4 x float> [[B]], i32 3
345; ZEROTHRESH-NEXT:    [[CMP0:%.*]] = icmp ne i32 [[C0]], 0
346; ZEROTHRESH-NEXT:    [[CMP1:%.*]] = icmp ne i32 [[C1]], 0
347; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = insertelement <2 x i32> undef, i32 [[C2]], i32 0
348; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[C3]], i32 1
349; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = icmp ne <2 x i32> [[TMP2]], zeroinitializer
350; ZEROTHRESH-NEXT:    [[S0:%.*]] = select i1 [[CMP0]], float [[A0]], float [[B0]]
351; ZEROTHRESH-NEXT:    [[S1:%.*]] = select i1 [[CMP1]], float [[A1]], float [[B1]]
352; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = insertelement <2 x float> undef, float [[A2]], i32 0
353; ZEROTHRESH-NEXT:    [[TMP5:%.*]] = insertelement <2 x float> [[TMP4]], float [[A3]], i32 1
354; ZEROTHRESH-NEXT:    [[TMP6:%.*]] = insertelement <2 x float> undef, float [[B2]], i32 0
355; ZEROTHRESH-NEXT:    [[TMP7:%.*]] = insertelement <2 x float> [[TMP6]], float [[B3]], i32 1
356; ZEROTHRESH-NEXT:    [[TMP8:%.*]] = select <2 x i1> [[TMP3]], <2 x float> [[TMP5]], <2 x float> [[TMP7]]
357; ZEROTHRESH-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[S0]], i32 0
358; ZEROTHRESH-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[S1]], i32 1
359; ZEROTHRESH-NEXT:    [[TMP9:%.*]] = extractelement <2 x float> [[TMP8]], i32 0
360; ZEROTHRESH-NEXT:    [[RC:%.*]] = insertelement <4 x float> undef, float [[TMP9]], i32 2
361; ZEROTHRESH-NEXT:    [[TMP10:%.*]] = extractelement <2 x float> [[TMP8]], i32 1
362; ZEROTHRESH-NEXT:    [[RD:%.*]] = insertelement <4 x float> [[RC]], float [[TMP10]], i32 3
363; ZEROTHRESH-NEXT:    ret <4 x float> [[RD]]
364;
365  %c0 = extractelement <4 x i32> %c, i32 0
366  %c1 = extractelement <4 x i32> %c, i32 1
367  %c2 = extractelement <4 x i32> %c, i32 2
368  %c3 = extractelement <4 x i32> %c, i32 3
369  %a0 = extractelement <4 x float> %a, i32 0
370  %a1 = extractelement <4 x float> %a, i32 1
371  %a2 = extractelement <4 x float> %a, i32 2
372  %a3 = extractelement <4 x float> %a, i32 3
373  %b0 = extractelement <4 x float> %b, i32 0
374  %b1 = extractelement <4 x float> %b, i32 1
375  %b2 = extractelement <4 x float> %b, i32 2
376  %b3 = extractelement <4 x float> %b, i32 3
377  %cmp0 = icmp ne i32 %c0, 0
378  %cmp1 = icmp ne i32 %c1, 0
379  %cmp2 = icmp ne i32 %c2, 0
380  %cmp3 = icmp ne i32 %c3, 0
381  %s0 = select i1 %cmp0, float %a0, float %b0
382  %s1 = select i1 %cmp1, float %a1, float %b1
383  %s2 = select i1 %cmp2, float %a2, float %b2
384  %s3 = select i1 %cmp3, float %a3, float %b3
385  %ra = insertelement <4 x float> undef, float %s0, i32 0
386  %rb = insertelement <4 x float> %ra, float %s1, i32 1
387  %rc = insertelement <4 x float> undef, float %s2, i32 2
388  %rd = insertelement <4 x float> %rc, float %s3, i32 3
389  ret <4 x float> %rd
390}
391
392; Make sure infinite loop doesn't happen which I ran into when trying
393; to do this backwards this backwards
394define <4 x i32> @reconstruct(<4 x i32> %c) #0 {
395; CHECK-LABEL: @reconstruct(
396; CHECK-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
397; CHECK-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
398; CHECK-NEXT:    [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2
399; CHECK-NEXT:    [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3
400; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x i32> undef, i32 [[C0]], i32 0
401; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x i32> [[RA]], i32 [[C1]], i32 1
402; CHECK-NEXT:    [[RC:%.*]] = insertelement <4 x i32> [[RB]], i32 [[C2]], i32 2
403; CHECK-NEXT:    [[RD:%.*]] = insertelement <4 x i32> [[RC]], i32 [[C3]], i32 3
404; CHECK-NEXT:    ret <4 x i32> [[RD]]
405;
406; ZEROTHRESH-LABEL: @reconstruct(
407; ZEROTHRESH-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
408; ZEROTHRESH-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
409; ZEROTHRESH-NEXT:    [[C2:%.*]] = extractelement <4 x i32> [[C]], i32 2
410; ZEROTHRESH-NEXT:    [[C3:%.*]] = extractelement <4 x i32> [[C]], i32 3
411; ZEROTHRESH-NEXT:    [[RA:%.*]] = insertelement <4 x i32> undef, i32 [[C0]], i32 0
412; ZEROTHRESH-NEXT:    [[RB:%.*]] = insertelement <4 x i32> [[RA]], i32 [[C1]], i32 1
413; ZEROTHRESH-NEXT:    [[RC:%.*]] = insertelement <4 x i32> [[RB]], i32 [[C2]], i32 2
414; ZEROTHRESH-NEXT:    [[RD:%.*]] = insertelement <4 x i32> [[RC]], i32 [[C3]], i32 3
415; ZEROTHRESH-NEXT:    ret <4 x i32> [[RD]]
416;
417  %c0 = extractelement <4 x i32> %c, i32 0
418  %c1 = extractelement <4 x i32> %c, i32 1
419  %c2 = extractelement <4 x i32> %c, i32 2
420  %c3 = extractelement <4 x i32> %c, i32 3
421  %ra = insertelement <4 x i32> undef, i32 %c0, i32 0
422  %rb = insertelement <4 x i32> %ra, i32 %c1, i32 1
423  %rc = insertelement <4 x i32> %rb, i32 %c2, i32 2
424  %rd = insertelement <4 x i32> %rc, i32 %c3, i32 3
425  ret <4 x i32> %rd
426}
427
428define <2 x float> @simple_select_v2(<2 x float> %a, <2 x float> %b, <2 x i32> %c) #0 {
429; CHECK-LABEL: @simple_select_v2(
430; CHECK-NEXT:    [[TMP1:%.*]] = icmp ne <2 x i32> [[C:%.*]], zeroinitializer
431; CHECK-NEXT:    [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x float> [[A:%.*]], <2 x float> [[B:%.*]]
432; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <2 x float> [[TMP2]], i32 0
433; CHECK-NEXT:    [[RA:%.*]] = insertelement <2 x float> undef, float [[TMP3]], i32 0
434; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <2 x float> [[TMP2]], i32 1
435; CHECK-NEXT:    [[RB:%.*]] = insertelement <2 x float> [[RA]], float [[TMP4]], i32 1
436; CHECK-NEXT:    ret <2 x float> [[RB]]
437;
438; ZEROTHRESH-LABEL: @simple_select_v2(
439; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = icmp ne <2 x i32> [[C:%.*]], zeroinitializer
440; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = select <2 x i1> [[TMP1]], <2 x float> [[A:%.*]], <2 x float> [[B:%.*]]
441; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = extractelement <2 x float> [[TMP2]], i32 0
442; ZEROTHRESH-NEXT:    [[RA:%.*]] = insertelement <2 x float> undef, float [[TMP3]], i32 0
443; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = extractelement <2 x float> [[TMP2]], i32 1
444; ZEROTHRESH-NEXT:    [[RB:%.*]] = insertelement <2 x float> [[RA]], float [[TMP4]], i32 1
445; ZEROTHRESH-NEXT:    ret <2 x float> [[RB]]
446;
447  %c0 = extractelement <2 x i32> %c, i32 0
448  %c1 = extractelement <2 x i32> %c, i32 1
449  %a0 = extractelement <2 x float> %a, i32 0
450  %a1 = extractelement <2 x float> %a, i32 1
451  %b0 = extractelement <2 x float> %b, i32 0
452  %b1 = extractelement <2 x float> %b, i32 1
453  %cmp0 = icmp ne i32 %c0, 0
454  %cmp1 = icmp ne i32 %c1, 0
455  %s0 = select i1 %cmp0, float %a0, float %b0
456  %s1 = select i1 %cmp1, float %a1, float %b1
457  %ra = insertelement <2 x float> undef, float %s0, i32 0
458  %rb = insertelement <2 x float> %ra, float %s1, i32 1
459  ret <2 x float> %rb
460}
461
462; Make sure when we construct partial vectors, we don't keep
463; re-visiting the insertelement chains starting with undef
464; (low cost threshold needed to force this to happen)
465define <4 x float> @simple_select_partial_vector(<4 x float> %a, <4 x float> %b, <4 x i32> %c) #0 {
466; CHECK-LABEL: @simple_select_partial_vector(
467; CHECK-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
468; CHECK-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
469; CHECK-NEXT:    [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0
470; CHECK-NEXT:    [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1
471; CHECK-NEXT:    [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0
472; CHECK-NEXT:    [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1
473; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <2 x i32> undef, i32 [[C0]], i32 0
474; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[C1]], i32 1
475; CHECK-NEXT:    [[TMP3:%.*]] = icmp ne <2 x i32> [[TMP2]], zeroinitializer
476; CHECK-NEXT:    [[TMP4:%.*]] = insertelement <2 x float> undef, float [[A0]], i32 0
477; CHECK-NEXT:    [[TMP5:%.*]] = insertelement <2 x float> [[TMP4]], float [[A1]], i32 1
478; CHECK-NEXT:    [[TMP6:%.*]] = insertelement <2 x float> undef, float [[B0]], i32 0
479; CHECK-NEXT:    [[TMP7:%.*]] = insertelement <2 x float> [[TMP6]], float [[B1]], i32 1
480; CHECK-NEXT:    [[TMP8:%.*]] = select <2 x i1> [[TMP3]], <2 x float> [[TMP5]], <2 x float> [[TMP7]]
481; CHECK-NEXT:    [[TMP9:%.*]] = extractelement <2 x float> [[TMP8]], i32 0
482; CHECK-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP9]], i32 0
483; CHECK-NEXT:    [[TMP10:%.*]] = extractelement <2 x float> [[TMP8]], i32 1
484; CHECK-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP10]], i32 1
485; CHECK-NEXT:    ret <4 x float> [[RB]]
486;
487; ZEROTHRESH-LABEL: @simple_select_partial_vector(
488; ZEROTHRESH-NEXT:    [[C0:%.*]] = extractelement <4 x i32> [[C:%.*]], i32 0
489; ZEROTHRESH-NEXT:    [[C1:%.*]] = extractelement <4 x i32> [[C]], i32 1
490; ZEROTHRESH-NEXT:    [[A0:%.*]] = extractelement <4 x float> [[A:%.*]], i32 0
491; ZEROTHRESH-NEXT:    [[A1:%.*]] = extractelement <4 x float> [[A]], i32 1
492; ZEROTHRESH-NEXT:    [[B0:%.*]] = extractelement <4 x float> [[B:%.*]], i32 0
493; ZEROTHRESH-NEXT:    [[B1:%.*]] = extractelement <4 x float> [[B]], i32 1
494; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = insertelement <2 x i32> undef, i32 [[C0]], i32 0
495; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = insertelement <2 x i32> [[TMP1]], i32 [[C1]], i32 1
496; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = icmp ne <2 x i32> [[TMP2]], zeroinitializer
497; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = insertelement <2 x float> undef, float [[A0]], i32 0
498; ZEROTHRESH-NEXT:    [[TMP5:%.*]] = insertelement <2 x float> [[TMP4]], float [[A1]], i32 1
499; ZEROTHRESH-NEXT:    [[TMP6:%.*]] = insertelement <2 x float> undef, float [[B0]], i32 0
500; ZEROTHRESH-NEXT:    [[TMP7:%.*]] = insertelement <2 x float> [[TMP6]], float [[B1]], i32 1
501; ZEROTHRESH-NEXT:    [[TMP8:%.*]] = select <2 x i1> [[TMP3]], <2 x float> [[TMP5]], <2 x float> [[TMP7]]
502; ZEROTHRESH-NEXT:    [[TMP9:%.*]] = extractelement <2 x float> [[TMP8]], i32 0
503; ZEROTHRESH-NEXT:    [[RA:%.*]] = insertelement <4 x float> undef, float [[TMP9]], i32 0
504; ZEROTHRESH-NEXT:    [[TMP10:%.*]] = extractelement <2 x float> [[TMP8]], i32 1
505; ZEROTHRESH-NEXT:    [[RB:%.*]] = insertelement <4 x float> [[RA]], float [[TMP10]], i32 1
506; ZEROTHRESH-NEXT:    ret <4 x float> [[RB]]
507;
508  %c0 = extractelement <4 x i32> %c, i32 0
509  %c1 = extractelement <4 x i32> %c, i32 1
510  %a0 = extractelement <4 x float> %a, i32 0
511  %a1 = extractelement <4 x float> %a, i32 1
512  %b0 = extractelement <4 x float> %b, i32 0
513  %b1 = extractelement <4 x float> %b, i32 1
514  %1 = insertelement <2 x i32> undef, i32 %c0, i32 0
515  %2 = insertelement <2 x i32> %1, i32 %c1, i32 1
516  %3 = icmp ne <2 x i32> %2, zeroinitializer
517  %4 = insertelement <2 x float> undef, float %a0, i32 0
518  %5 = insertelement <2 x float> %4, float %a1, i32 1
519  %6 = insertelement <2 x float> undef, float %b0, i32 0
520  %7 = insertelement <2 x float> %6, float %b1, i32 1
521  %8 = select <2 x i1> %3, <2 x float> %5, <2 x float> %7
522  %9 = extractelement <2 x float> %8, i32 0
523  %ra = insertelement <4 x float> undef, float %9, i32 0
524  %10 = extractelement <2 x float> %8, i32 1
525  %rb = insertelement <4 x float> %ra, float %10, i32 1
526  ret <4 x float> %rb
527}
528
529; Make sure that vectorization happens even if insertelements operations
530; must be rescheduled. The case here is from compiling Julia.
531define <4 x float> @reschedule_extract(<4 x float> %a, <4 x float> %b) {
532; CHECK-LABEL: @reschedule_extract(
533; CHECK-NEXT:    [[TMP1:%.*]] = fadd <4 x float> [[A:%.*]], [[B:%.*]]
534; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[TMP1]], i32 0
535; CHECK-NEXT:    [[V0:%.*]] = insertelement <4 x float> undef, float [[TMP2]], i32 0
536; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP1]], i32 1
537; CHECK-NEXT:    [[V1:%.*]] = insertelement <4 x float> [[V0]], float [[TMP3]], i32 1
538; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP1]], i32 2
539; CHECK-NEXT:    [[V2:%.*]] = insertelement <4 x float> [[V1]], float [[TMP4]], i32 2
540; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP1]], i32 3
541; CHECK-NEXT:    [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[TMP5]], i32 3
542; CHECK-NEXT:    ret <4 x float> [[V3]]
543;
544; ZEROTHRESH-LABEL: @reschedule_extract(
545; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = fadd <4 x float> [[A:%.*]], [[B:%.*]]
546; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[TMP1]], i32 0
547; ZEROTHRESH-NEXT:    [[V0:%.*]] = insertelement <4 x float> undef, float [[TMP2]], i32 0
548; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP1]], i32 1
549; ZEROTHRESH-NEXT:    [[V1:%.*]] = insertelement <4 x float> [[V0]], float [[TMP3]], i32 1
550; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP1]], i32 2
551; ZEROTHRESH-NEXT:    [[V2:%.*]] = insertelement <4 x float> [[V1]], float [[TMP4]], i32 2
552; ZEROTHRESH-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP1]], i32 3
553; ZEROTHRESH-NEXT:    [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[TMP5]], i32 3
554; ZEROTHRESH-NEXT:    ret <4 x float> [[V3]]
555;
556  %a0 = extractelement <4 x float> %a, i32 0
557  %b0 = extractelement <4 x float> %b, i32 0
558  %c0 = fadd float %a0, %b0
559  %v0 = insertelement <4 x float> undef, float %c0, i32 0
560  %a1 = extractelement <4 x float> %a, i32 1
561  %b1 = extractelement <4 x float> %b, i32 1
562  %c1 = fadd float %a1, %b1
563  %v1 = insertelement <4 x float> %v0, float %c1, i32 1
564  %a2 = extractelement <4 x float> %a, i32 2
565  %b2 = extractelement <4 x float> %b, i32 2
566  %c2 = fadd float %a2, %b2
567  %v2 = insertelement <4 x float> %v1, float %c2, i32 2
568  %a3 = extractelement <4 x float> %a, i32 3
569  %b3 = extractelement <4 x float> %b, i32 3
570  %c3 = fadd float %a3, %b3
571  %v3 = insertelement <4 x float> %v2, float %c3, i32 3
572  ret <4 x float> %v3
573}
574
575; Check that cost model for vectorization takes credit for
576; instructions that are erased.
577define <4 x float> @take_credit(<4 x float> %a, <4 x float> %b) {
578; CHECK-LABEL: @take_credit(
579; CHECK-NEXT:    [[TMP1:%.*]] = fadd <4 x float> [[A:%.*]], [[B:%.*]]
580; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[TMP1]], i32 0
581; CHECK-NEXT:    [[V0:%.*]] = insertelement <4 x float> undef, float [[TMP2]], i32 0
582; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP1]], i32 1
583; CHECK-NEXT:    [[V1:%.*]] = insertelement <4 x float> [[V0]], float [[TMP3]], i32 1
584; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP1]], i32 2
585; CHECK-NEXT:    [[V2:%.*]] = insertelement <4 x float> [[V1]], float [[TMP4]], i32 2
586; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP1]], i32 3
587; CHECK-NEXT:    [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[TMP5]], i32 3
588; CHECK-NEXT:    ret <4 x float> [[V3]]
589;
590; ZEROTHRESH-LABEL: @take_credit(
591; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = fadd <4 x float> [[A:%.*]], [[B:%.*]]
592; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = extractelement <4 x float> [[TMP1]], i32 0
593; ZEROTHRESH-NEXT:    [[V0:%.*]] = insertelement <4 x float> undef, float [[TMP2]], i32 0
594; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = extractelement <4 x float> [[TMP1]], i32 1
595; ZEROTHRESH-NEXT:    [[V1:%.*]] = insertelement <4 x float> [[V0]], float [[TMP3]], i32 1
596; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = extractelement <4 x float> [[TMP1]], i32 2
597; ZEROTHRESH-NEXT:    [[V2:%.*]] = insertelement <4 x float> [[V1]], float [[TMP4]], i32 2
598; ZEROTHRESH-NEXT:    [[TMP5:%.*]] = extractelement <4 x float> [[TMP1]], i32 3
599; ZEROTHRESH-NEXT:    [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[TMP5]], i32 3
600; ZEROTHRESH-NEXT:    ret <4 x float> [[V3]]
601;
602  %a0 = extractelement <4 x float> %a, i32 0
603  %b0 = extractelement <4 x float> %b, i32 0
604  %c0 = fadd float %a0, %b0
605  %a1 = extractelement <4 x float> %a, i32 1
606  %b1 = extractelement <4 x float> %b, i32 1
607  %c1 = fadd float %a1, %b1
608  %a2 = extractelement <4 x float> %a, i32 2
609  %b2 = extractelement <4 x float> %b, i32 2
610  %c2 = fadd float %a2, %b2
611  %a3 = extractelement <4 x float> %a, i32 3
612  %b3 = extractelement <4 x float> %b, i32 3
613  %c3 = fadd float %a3, %b3
614  %v0 = insertelement <4 x float> undef, float %c0, i32 0
615  %v1 = insertelement <4 x float> %v0, float %c1, i32 1
616  %v2 = insertelement <4 x float> %v1, float %c2, i32 2
617  %v3 = insertelement <4 x float> %v2, float %c3, i32 3
618  ret <4 x float> %v3
619}
620
621; Make sure we handle multiple trees that feed one build vector correctly.
622define <4 x double> @multi_tree(double %w, double %x, double %y, double %z) {
623; CHECK-LABEL: @multi_tree(
624; CHECK-NEXT:  entry:
625; CHECK-NEXT:    [[TMP0:%.*]] = insertelement <4 x double> undef, double [[W:%.*]], i32 0
626; CHECK-NEXT:    [[TMP1:%.*]] = insertelement <4 x double> [[TMP0]], double [[X:%.*]], i32 1
627; CHECK-NEXT:    [[TMP2:%.*]] = insertelement <4 x double> [[TMP1]], double [[Y:%.*]], i32 2
628; CHECK-NEXT:    [[TMP3:%.*]] = insertelement <4 x double> [[TMP2]], double [[Z:%.*]], i32 3
629; CHECK-NEXT:    [[TMP4:%.*]] = fadd <4 x double> [[TMP3]], <double 0.000000e+00, double 1.000000e+00, double 2.000000e+00, double 3.000000e+00>
630; CHECK-NEXT:    [[TMP5:%.*]] = fmul <4 x double> [[TMP4]], <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
631; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <4 x double> [[TMP5]], i32 0
632; CHECK-NEXT:    [[I1:%.*]] = insertelement <4 x double> undef, double [[TMP6]], i32 3
633; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <4 x double> [[TMP5]], i32 1
634; CHECK-NEXT:    [[I2:%.*]] = insertelement <4 x double> [[I1]], double [[TMP7]], i32 2
635; CHECK-NEXT:    [[TMP8:%.*]] = extractelement <4 x double> [[TMP5]], i32 2
636; CHECK-NEXT:    [[I3:%.*]] = insertelement <4 x double> [[I2]], double [[TMP8]], i32 1
637; CHECK-NEXT:    [[TMP9:%.*]] = extractelement <4 x double> [[TMP5]], i32 3
638; CHECK-NEXT:    [[I4:%.*]] = insertelement <4 x double> [[I3]], double [[TMP9]], i32 0
639; CHECK-NEXT:    ret <4 x double> [[I4]]
640;
641; ZEROTHRESH-LABEL: @multi_tree(
642; ZEROTHRESH-NEXT:  entry:
643; ZEROTHRESH-NEXT:    [[TMP0:%.*]] = insertelement <4 x double> undef, double [[W:%.*]], i32 0
644; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = insertelement <4 x double> [[TMP0]], double [[X:%.*]], i32 1
645; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = insertelement <4 x double> [[TMP1]], double [[Y:%.*]], i32 2
646; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = insertelement <4 x double> [[TMP2]], double [[Z:%.*]], i32 3
647; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = fadd <4 x double> [[TMP3]], <double 0.000000e+00, double 1.000000e+00, double 2.000000e+00, double 3.000000e+00>
648; ZEROTHRESH-NEXT:    [[TMP5:%.*]] = fmul <4 x double> [[TMP4]], <double 1.000000e+00, double 1.000000e+00, double 1.000000e+00, double 1.000000e+00>
649; ZEROTHRESH-NEXT:    [[TMP6:%.*]] = extractelement <4 x double> [[TMP5]], i32 0
650; ZEROTHRESH-NEXT:    [[I1:%.*]] = insertelement <4 x double> undef, double [[TMP6]], i32 3
651; ZEROTHRESH-NEXT:    [[TMP7:%.*]] = extractelement <4 x double> [[TMP5]], i32 1
652; ZEROTHRESH-NEXT:    [[I2:%.*]] = insertelement <4 x double> [[I1]], double [[TMP7]], i32 2
653; ZEROTHRESH-NEXT:    [[TMP8:%.*]] = extractelement <4 x double> [[TMP5]], i32 2
654; ZEROTHRESH-NEXT:    [[I3:%.*]] = insertelement <4 x double> [[I2]], double [[TMP8]], i32 1
655; ZEROTHRESH-NEXT:    [[TMP9:%.*]] = extractelement <4 x double> [[TMP5]], i32 3
656; ZEROTHRESH-NEXT:    [[I4:%.*]] = insertelement <4 x double> [[I3]], double [[TMP9]], i32 0
657; ZEROTHRESH-NEXT:    ret <4 x double> [[I4]]
658;
659entry:
660  %t0 = fadd double %w , 0.000000e+00
661  %t1 = fadd double %x , 1.000000e+00
662  %t2 = fadd double %y , 2.000000e+00
663  %t3 = fadd double %z , 3.000000e+00
664  %t4 = fmul double %t0, 1.000000e+00
665  %i1 = insertelement <4 x double> undef, double %t4, i32 3
666  %t5 = fmul double %t1, 1.000000e+00
667  %i2 = insertelement <4 x double> %i1, double %t5, i32 2
668  %t6 = fmul double %t2, 1.000000e+00
669  %i3 = insertelement <4 x double> %i2, double %t6, i32 1
670  %t7 = fmul double %t3, 1.000000e+00
671  %i4 = insertelement <4 x double> %i3, double %t7, i32 0
672  ret <4 x double> %i4
673}
674
675define <8 x float> @_vadd256(<8 x float> %a, <8 x float> %b) local_unnamed_addr #0 {
676; CHECK-LABEL: @_vadd256(
677; CHECK-NEXT:  entry:
678; CHECK-NEXT:    [[TMP0:%.*]] = fadd <8 x float> [[A:%.*]], [[B:%.*]]
679; CHECK-NEXT:    [[TMP1:%.*]] = extractelement <8 x float> [[TMP0]], i32 0
680; CHECK-NEXT:    [[VECINIT_I:%.*]] = insertelement <8 x float> undef, float [[TMP1]], i32 0
681; CHECK-NEXT:    [[TMP2:%.*]] = extractelement <8 x float> [[TMP0]], i32 1
682; CHECK-NEXT:    [[VECINIT1_I:%.*]] = insertelement <8 x float> [[VECINIT_I]], float [[TMP2]], i32 1
683; CHECK-NEXT:    [[TMP3:%.*]] = extractelement <8 x float> [[TMP0]], i32 2
684; CHECK-NEXT:    [[VECINIT2_I:%.*]] = insertelement <8 x float> [[VECINIT1_I]], float [[TMP3]], i32 2
685; CHECK-NEXT:    [[TMP4:%.*]] = extractelement <8 x float> [[TMP0]], i32 3
686; CHECK-NEXT:    [[VECINIT3_I:%.*]] = insertelement <8 x float> [[VECINIT2_I]], float [[TMP4]], i32 3
687; CHECK-NEXT:    [[TMP5:%.*]] = extractelement <8 x float> [[TMP0]], i32 4
688; CHECK-NEXT:    [[VECINIT4_I:%.*]] = insertelement <8 x float> [[VECINIT3_I]], float [[TMP5]], i32 4
689; CHECK-NEXT:    [[TMP6:%.*]] = extractelement <8 x float> [[TMP0]], i32 5
690; CHECK-NEXT:    [[VECINIT5_I:%.*]] = insertelement <8 x float> [[VECINIT4_I]], float [[TMP6]], i32 5
691; CHECK-NEXT:    [[TMP7:%.*]] = extractelement <8 x float> [[TMP0]], i32 6
692; CHECK-NEXT:    [[VECINIT6_I:%.*]] = insertelement <8 x float> [[VECINIT5_I]], float [[TMP7]], i32 6
693; CHECK-NEXT:    [[TMP8:%.*]] = extractelement <8 x float> [[TMP0]], i32 7
694; CHECK-NEXT:    [[VECINIT7_I:%.*]] = insertelement <8 x float> [[VECINIT6_I]], float [[TMP8]], i32 7
695; CHECK-NEXT:    ret <8 x float> [[VECINIT7_I]]
696;
697; ZEROTHRESH-LABEL: @_vadd256(
698; ZEROTHRESH-NEXT:  entry:
699; ZEROTHRESH-NEXT:    [[TMP0:%.*]] = fadd <8 x float> [[A:%.*]], [[B:%.*]]
700; ZEROTHRESH-NEXT:    [[TMP1:%.*]] = extractelement <8 x float> [[TMP0]], i32 0
701; ZEROTHRESH-NEXT:    [[VECINIT_I:%.*]] = insertelement <8 x float> undef, float [[TMP1]], i32 0
702; ZEROTHRESH-NEXT:    [[TMP2:%.*]] = extractelement <8 x float> [[TMP0]], i32 1
703; ZEROTHRESH-NEXT:    [[VECINIT1_I:%.*]] = insertelement <8 x float> [[VECINIT_I]], float [[TMP2]], i32 1
704; ZEROTHRESH-NEXT:    [[TMP3:%.*]] = extractelement <8 x float> [[TMP0]], i32 2
705; ZEROTHRESH-NEXT:    [[VECINIT2_I:%.*]] = insertelement <8 x float> [[VECINIT1_I]], float [[TMP3]], i32 2
706; ZEROTHRESH-NEXT:    [[TMP4:%.*]] = extractelement <8 x float> [[TMP0]], i32 3
707; ZEROTHRESH-NEXT:    [[VECINIT3_I:%.*]] = insertelement <8 x float> [[VECINIT2_I]], float [[TMP4]], i32 3
708; ZEROTHRESH-NEXT:    [[TMP5:%.*]] = extractelement <8 x float> [[TMP0]], i32 4
709; ZEROTHRESH-NEXT:    [[VECINIT4_I:%.*]] = insertelement <8 x float> [[VECINIT3_I]], float [[TMP5]], i32 4
710; ZEROTHRESH-NEXT:    [[TMP6:%.*]] = extractelement <8 x float> [[TMP0]], i32 5
711; ZEROTHRESH-NEXT:    [[VECINIT5_I:%.*]] = insertelement <8 x float> [[VECINIT4_I]], float [[TMP6]], i32 5
712; ZEROTHRESH-NEXT:    [[TMP7:%.*]] = extractelement <8 x float> [[TMP0]], i32 6
713; ZEROTHRESH-NEXT:    [[VECINIT6_I:%.*]] = insertelement <8 x float> [[VECINIT5_I]], float [[TMP7]], i32 6
714; ZEROTHRESH-NEXT:    [[TMP8:%.*]] = extractelement <8 x float> [[TMP0]], i32 7
715; ZEROTHRESH-NEXT:    [[VECINIT7_I:%.*]] = insertelement <8 x float> [[VECINIT6_I]], float [[TMP8]], i32 7
716; ZEROTHRESH-NEXT:    ret <8 x float> [[VECINIT7_I]]
717;
718  entry:
719  %vecext = extractelement <8 x float> %a, i32 0
720  %vecext1 = extractelement <8 x float> %b, i32 0
721  %add = fadd float %vecext, %vecext1
722  %vecext2 = extractelement <8 x float> %a, i32 1
723  %vecext3 = extractelement <8 x float> %b, i32 1
724  %add4 = fadd float %vecext2, %vecext3
725  %vecext5 = extractelement <8 x float> %a, i32 2
726  %vecext6 = extractelement <8 x float> %b, i32 2
727  %add7 = fadd float %vecext5, %vecext6
728  %vecext8 = extractelement <8 x float> %a, i32 3
729  %vecext9 = extractelement <8 x float> %b, i32 3
730  %add10 = fadd float %vecext8, %vecext9
731  %vecext11 = extractelement <8 x float> %a, i32 4
732  %vecext12 = extractelement <8 x float> %b, i32 4
733  %add13 = fadd float %vecext11, %vecext12
734  %vecext14 = extractelement <8 x float> %a, i32 5
735  %vecext15 = extractelement <8 x float> %b, i32 5
736  %add16 = fadd float %vecext14, %vecext15
737  %vecext17 = extractelement <8 x float> %a, i32 6
738  %vecext18 = extractelement <8 x float> %b, i32 6
739  %add19 = fadd float %vecext17, %vecext18
740  %vecext20 = extractelement <8 x float> %a, i32 7
741  %vecext21 = extractelement <8 x float> %b, i32 7
742  %add22 = fadd float %vecext20, %vecext21
743  %vecinit.i = insertelement <8 x float> undef, float %add, i32 0
744  %vecinit1.i = insertelement <8 x float> %vecinit.i, float %add4, i32 1
745  %vecinit2.i = insertelement <8 x float> %vecinit1.i, float %add7, i32 2
746  %vecinit3.i = insertelement <8 x float> %vecinit2.i, float %add10, i32 3
747  %vecinit4.i = insertelement <8 x float> %vecinit3.i, float %add13, i32 4
748  %vecinit5.i = insertelement <8 x float> %vecinit4.i, float %add16, i32 5
749  %vecinit6.i = insertelement <8 x float> %vecinit5.i, float %add19, i32 6
750  %vecinit7.i = insertelement <8 x float> %vecinit6.i, float %add22, i32 7
751  ret <8 x float> %vecinit7.i
752}
753
754attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
755