1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -passes=slp-vectorizer -S < %s -mtriple=x86_64-unknown-linux -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,SSE
3 ; RUN: opt -passes=slp-vectorizer -S < %s -mtriple=x86_64-unknown-linux -mcpu=corei7-avx | FileCheck %s --check-prefixes=CHECK,AVX
5 ; This file tests the look-ahead operand reordering heuristic.
8 ; This checks that operand reordering will reorder the operands of the adds
9 ; by taking into consideration the instructions beyond the immediate
12 ; A[0] B[0] C[0] D[0] C[1] D[1] A[1] B[1]
20 define void @lookahead_basic(ptr %array) {
21 ; CHECK-LABEL: @lookahead_basic(
23 ; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds double, ptr [[ARRAY:%.*]], i64 2
24 ; CHECK-NEXT: [[IDX4:%.*]] = getelementptr inbounds double, ptr [[ARRAY]], i64 4
25 ; CHECK-NEXT: [[IDX6:%.*]] = getelementptr inbounds double, ptr [[ARRAY]], i64 6
26 ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[ARRAY]], align 8
27 ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[IDX2]], align 8
28 ; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, ptr [[IDX4]], align 8
29 ; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, ptr [[IDX6]], align 8
30 ; CHECK-NEXT: [[TMP4:%.*]] = fsub fast <2 x double> [[TMP0]], [[TMP1]]
31 ; CHECK-NEXT: [[TMP5:%.*]] = fsub fast <2 x double> [[TMP2]], [[TMP3]]
32 ; CHECK-NEXT: [[TMP6:%.*]] = fadd fast <2 x double> [[TMP5]], [[TMP4]]
33 ; CHECK-NEXT: store <2 x double> [[TMP6]], ptr [[ARRAY]], align 8
34 ; CHECK-NEXT: ret void
37 %idx1 = getelementptr inbounds double, ptr %array, i64 1
38 %idx2 = getelementptr inbounds double, ptr %array, i64 2
39 %idx3 = getelementptr inbounds double, ptr %array, i64 3
40 %idx4 = getelementptr inbounds double, ptr %array, i64 4
41 %idx5 = getelementptr inbounds double, ptr %array, i64 5
42 %idx6 = getelementptr inbounds double, ptr %array, i64 6
43 %idx7 = getelementptr inbounds double, ptr %array, i64 7
45 %A_0 = load double, ptr %array, align 8
46 %A_1 = load double, ptr %idx1, align 8
47 %B_0 = load double, ptr %idx2, align 8
48 %B_1 = load double, ptr %idx3, align 8
49 %C_0 = load double, ptr %idx4, align 8
50 %C_1 = load double, ptr %idx5, align 8
51 %D_0 = load double, ptr %idx6, align 8
52 %D_1 = load double, ptr %idx7, align 8
54 %subAB_0 = fsub fast double %A_0, %B_0
55 %subCD_0 = fsub fast double %C_0, %D_0
57 %subAB_1 = fsub fast double %A_1, %B_1
58 %subCD_1 = fsub fast double %C_1, %D_1
60 %addABCD_0 = fadd fast double %subAB_0, %subCD_0
61 %addCDAB_1 = fadd fast double %subCD_1, %subAB_1
63 store double %addABCD_0, ptr %array, align 8
64 store double %addCDAB_1, ptr %idx1, align 8
69 ; Check whether the look-ahead operand reordering heuristic will avoid
70 ; bundling the alt opcodes. The vectorized code should have no shuffles.
72 ; A[0] B[0] A[0] B[0] A[1] A[1] A[1] B[1]
80 define void @lookahead_alt1(ptr %array) {
81 ; CHECK-LABEL: @lookahead_alt1(
83 ; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds double, ptr [[ARRAY:%.*]], i64 2
84 ; CHECK-NEXT: [[IDX4:%.*]] = getelementptr inbounds double, ptr [[ARRAY]], i64 4
85 ; CHECK-NEXT: [[IDX5:%.*]] = getelementptr inbounds double, ptr [[ARRAY]], i64 5
86 ; CHECK-NEXT: [[IDX6:%.*]] = getelementptr inbounds double, ptr [[ARRAY]], i64 6
87 ; CHECK-NEXT: [[IDX7:%.*]] = getelementptr inbounds double, ptr [[ARRAY]], i64 7
88 ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[ARRAY]], align 8
89 ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[IDX2]], align 8
90 ; CHECK-NEXT: [[TMP2:%.*]] = fsub fast <2 x double> [[TMP0]], [[TMP1]]
91 ; CHECK-NEXT: [[TMP3:%.*]] = fadd fast <2 x double> [[TMP0]], [[TMP1]]
92 ; CHECK-NEXT: [[TMP4:%.*]] = fadd fast <2 x double> [[TMP3]], [[TMP2]]
93 ; CHECK-NEXT: store <2 x double> [[TMP4]], ptr [[ARRAY]], align 8
94 ; CHECK-NEXT: ret void
97 %idx1 = getelementptr inbounds double, ptr %array, i64 1
98 %idx2 = getelementptr inbounds double, ptr %array, i64 2
99 %idx3 = getelementptr inbounds double, ptr %array, i64 3
100 %idx4 = getelementptr inbounds double, ptr %array, i64 4
101 %idx5 = getelementptr inbounds double, ptr %array, i64 5
102 %idx6 = getelementptr inbounds double, ptr %array, i64 6
103 %idx7 = getelementptr inbounds double, ptr %array, i64 7
105 %A_0 = load double, ptr %array, align 8
106 %A_1 = load double, ptr %idx1, align 8
107 %B_0 = load double, ptr %idx2, align 8
108 %B_1 = load double, ptr %idx3, align 8
110 %addAB_0_L = fadd fast double %A_0, %B_0
111 %subAB_0_R = fsub fast double %A_0, %B_0
113 %subAB_1_L = fsub fast double %A_1, %B_1
114 %addAB_1_R = fadd fast double %A_1, %B_1
116 %addABCD_0 = fadd fast double %addAB_0_L, %subAB_0_R
117 %addCDAB_1 = fadd fast double %subAB_1_L, %addAB_1_R
119 store double %addABCD_0, ptr %array, align 8
120 store double %addCDAB_1, ptr %idx1, align 8
125 ; This code should get vectorized all the way to the loads with shuffles for
128 ; A[0] B[0] C[0] D[0] C[1] D[1] A[1] B[1]
136 define void @lookahead_alt2(ptr %array) {
137 ; CHECK-LABEL: @lookahead_alt2(
139 ; CHECK-NEXT: [[IDX2:%.*]] = getelementptr inbounds double, ptr [[ARRAY:%.*]], i64 2
140 ; CHECK-NEXT: [[IDX4:%.*]] = getelementptr inbounds double, ptr [[ARRAY]], i64 4
141 ; CHECK-NEXT: [[IDX6:%.*]] = getelementptr inbounds double, ptr [[ARRAY]], i64 6
142 ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[ARRAY]], align 8
143 ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[IDX2]], align 8
144 ; CHECK-NEXT: [[TMP2:%.*]] = load <2 x double>, ptr [[IDX4]], align 8
145 ; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, ptr [[IDX6]], align 8
146 ; CHECK-NEXT: [[TMP4:%.*]] = fsub fast <2 x double> [[TMP2]], [[TMP3]]
147 ; CHECK-NEXT: [[TMP5:%.*]] = fadd fast <2 x double> [[TMP2]], [[TMP3]]
148 ; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> [[TMP5]], <2 x i32> <i32 0, i32 3>
149 ; CHECK-NEXT: [[TMP7:%.*]] = fadd fast <2 x double> [[TMP0]], [[TMP1]]
150 ; CHECK-NEXT: [[TMP8:%.*]] = fsub fast <2 x double> [[TMP0]], [[TMP1]]
151 ; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <2 x double> [[TMP7]], <2 x double> [[TMP8]], <2 x i32> <i32 0, i32 3>
152 ; CHECK-NEXT: [[TMP10:%.*]] = fadd fast <2 x double> [[TMP6]], [[TMP9]]
153 ; CHECK-NEXT: store <2 x double> [[TMP10]], ptr [[ARRAY]], align 8
154 ; CHECK-NEXT: ret void
157 %idx1 = getelementptr inbounds double, ptr %array, i64 1
158 %idx2 = getelementptr inbounds double, ptr %array, i64 2
159 %idx3 = getelementptr inbounds double, ptr %array, i64 3
160 %idx4 = getelementptr inbounds double, ptr %array, i64 4
161 %idx5 = getelementptr inbounds double, ptr %array, i64 5
162 %idx6 = getelementptr inbounds double, ptr %array, i64 6
163 %idx7 = getelementptr inbounds double, ptr %array, i64 7
165 %A_0 = load double, ptr %array, align 8
166 %A_1 = load double, ptr %idx1, align 8
167 %B_0 = load double, ptr %idx2, align 8
168 %B_1 = load double, ptr %idx3, align 8
169 %C_0 = load double, ptr %idx4, align 8
170 %C_1 = load double, ptr %idx5, align 8
171 %D_0 = load double, ptr %idx6, align 8
172 %D_1 = load double, ptr %idx7, align 8
174 %addAB_0 = fadd fast double %A_0, %B_0
175 %subCD_0 = fsub fast double %C_0, %D_0
177 %addCD_1 = fadd fast double %C_1, %D_1
178 %subAB_1 = fsub fast double %A_1, %B_1
180 %addABCD_0 = fadd fast double %addAB_0, %subCD_0
181 %addCDAB_1 = fadd fast double %addCD_1, %subAB_1
183 store double %addABCD_0, ptr %array, align 8
184 store double %addCDAB_1, ptr %idx1, align 8
190 ; A[0] B[0] C[0] D[0] A[1] B[2] A[2] B[1]
198 ; SLP should reorder the operands of the RHS add taking into consideration the cost of external uses.
199 ; It is more profitable to reorder the operands of the RHS add, because A[1] has an external use.
201 define void @lookahead_external_uses(ptr %A, ptr %B, ptr %C, ptr %D, ptr %S, ptr %Ext1, ptr %Ext2) {
202 ; CHECK-LABEL: @lookahead_external_uses(
204 ; CHECK-NEXT: [[IDXA1:%.*]] = getelementptr inbounds double, ptr [[A:%.*]], i64 1
205 ; CHECK-NEXT: [[IDXB2:%.*]] = getelementptr inbounds double, ptr [[B:%.*]], i64 2
206 ; CHECK-NEXT: [[IDXA2:%.*]] = getelementptr inbounds double, ptr [[A]], i64 2
207 ; CHECK-NEXT: [[C0:%.*]] = load double, ptr [[C:%.*]], align 8
208 ; CHECK-NEXT: [[D0:%.*]] = load double, ptr [[D:%.*]], align 8
209 ; CHECK-NEXT: [[B2:%.*]] = load double, ptr [[IDXB2]], align 8
210 ; CHECK-NEXT: [[A2:%.*]] = load double, ptr [[IDXA2]], align 8
211 ; CHECK-NEXT: [[A1:%.*]] = load double, ptr [[IDXA1]], align 8
212 ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[A]], align 8
213 ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[B]], align 8
214 ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> [[TMP1]], double [[B2]], i32 1
215 ; CHECK-NEXT: [[TMP3:%.*]] = fsub fast <2 x double> [[TMP0]], [[TMP2]]
216 ; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x double> poison, double [[C0]], i32 0
217 ; CHECK-NEXT: [[TMP5:%.*]] = insertelement <2 x double> [[TMP4]], double [[A2]], i32 1
218 ; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x double> [[TMP1]], double [[D0]], i32 0
219 ; CHECK-NEXT: [[TMP7:%.*]] = fsub fast <2 x double> [[TMP5]], [[TMP6]]
220 ; CHECK-NEXT: [[TMP8:%.*]] = fadd fast <2 x double> [[TMP3]], [[TMP7]]
221 ; CHECK-NEXT: store <2 x double> [[TMP8]], ptr [[S:%.*]], align 8
222 ; CHECK-NEXT: store double [[A1]], ptr [[EXT1:%.*]], align 8
223 ; CHECK-NEXT: ret void
227 %IdxA1 = getelementptr inbounds double, ptr %A, i64 1
228 %IdxB2 = getelementptr inbounds double, ptr %B, i64 2
229 %IdxA2 = getelementptr inbounds double, ptr %A, i64 2
230 %IdxB1 = getelementptr inbounds double, ptr %B, i64 1
232 %A0 = load double, ptr %A, align 8
233 %B0 = load double, ptr %B, align 8
234 %C0 = load double, ptr %C, align 8
235 %D0 = load double, ptr %D, align 8
237 %A1 = load double, ptr %IdxA1, align 8
238 %B2 = load double, ptr %IdxB2, align 8
239 %A2 = load double, ptr %IdxA2, align 8
240 %B1 = load double, ptr %IdxB1, align 8
242 %subA0B0 = fsub fast double %A0, %B0
243 %subC0D0 = fsub fast double %C0, %D0
245 %subA1B2 = fsub fast double %A1, %B2
246 %subA2B1 = fsub fast double %A2, %B1
248 %add0 = fadd fast double %subA0B0, %subC0D0
249 %add1 = fadd fast double %subA1B2, %subA2B1
251 %IdxS1 = getelementptr inbounds double, ptr %S, i64 1
253 store double %add0, ptr %S, align 8
254 store double %add1, ptr %IdxS1, align 8
257 store double %A1, ptr %Ext1, align 8
261 ; A[0] B[0] C[0] D[0] A[1] B[2] A[2] B[1]
262 ; \ / \ / / \ / \ / \
263 ; - - U1,U2,U3 - - U4,U5
270 ; If we limit the users budget for the look-ahead heuristic to 2, then the
271 ; look-ahead heuristic has no way of choosing B[1] (with 2 external users)
272 ; over A[1] (with 3 external users).
273 ; The result is that the operands are of the Add not reordered and the loads
274 ; from A get vectorized instead of the loads from B.
276 define void @lookahead_limit_users_budget(ptr %A, ptr %B, ptr %C, ptr %D, ptr %S, ptr %Ext1, ptr %Ext2, ptr %Ext3, ptr %Ext4, ptr %Ext5) {
277 ; CHECK-LABEL: @lookahead_limit_users_budget(
279 ; CHECK-NEXT: [[IDXA1:%.*]] = getelementptr inbounds double, ptr [[A:%.*]], i64 1
280 ; CHECK-NEXT: [[IDXB2:%.*]] = getelementptr inbounds double, ptr [[B:%.*]], i64 2
281 ; CHECK-NEXT: [[IDXA2:%.*]] = getelementptr inbounds double, ptr [[A]], i64 2
282 ; CHECK-NEXT: [[IDXB1:%.*]] = getelementptr inbounds double, ptr [[B]], i64 1
283 ; CHECK-NEXT: [[C0:%.*]] = load double, ptr [[C:%.*]], align 8
284 ; CHECK-NEXT: [[D0:%.*]] = load double, ptr [[D:%.*]], align 8
285 ; CHECK-NEXT: [[B2:%.*]] = load double, ptr [[IDXB2]], align 8
286 ; CHECK-NEXT: [[A2:%.*]] = load double, ptr [[IDXA2]], align 8
287 ; CHECK-NEXT: [[A1:%.*]] = load double, ptr [[IDXA1]], align 8
288 ; CHECK-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[A]], align 8
289 ; CHECK-NEXT: [[B1:%.*]] = load double, ptr [[IDXB1]], align 8
290 ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[B]], align 8
291 ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> [[TMP1]], double [[B2]], i32 1
292 ; CHECK-NEXT: [[TMP3:%.*]] = fsub fast <2 x double> [[TMP0]], [[TMP2]]
293 ; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x double> poison, double [[C0]], i32 0
294 ; CHECK-NEXT: [[TMP5:%.*]] = insertelement <2 x double> [[TMP4]], double [[A2]], i32 1
295 ; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x double> [[TMP1]], double [[D0]], i32 0
296 ; CHECK-NEXT: [[TMP7:%.*]] = fsub fast <2 x double> [[TMP5]], [[TMP6]]
297 ; CHECK-NEXT: [[TMP8:%.*]] = fadd fast <2 x double> [[TMP3]], [[TMP7]]
298 ; CHECK-NEXT: store <2 x double> [[TMP8]], ptr [[S:%.*]], align 8
299 ; CHECK-NEXT: store double [[A1]], ptr [[EXT1:%.*]], align 8
300 ; CHECK-NEXT: store double [[A1]], ptr [[EXT2:%.*]], align 8
301 ; CHECK-NEXT: store double [[A1]], ptr [[EXT3:%.*]], align 8
302 ; CHECK-NEXT: store double [[B1]], ptr [[EXT4:%.*]], align 8
303 ; CHECK-NEXT: store double [[B1]], ptr [[EXT5:%.*]], align 8
304 ; CHECK-NEXT: ret void
308 %IdxA1 = getelementptr inbounds double, ptr %A, i64 1
309 %IdxB2 = getelementptr inbounds double, ptr %B, i64 2
310 %IdxA2 = getelementptr inbounds double, ptr %A, i64 2
311 %IdxB1 = getelementptr inbounds double, ptr %B, i64 1
313 %A0 = load double, ptr %A, align 8
314 %B0 = load double, ptr %B, align 8
315 %C0 = load double, ptr %C, align 8
316 %D0 = load double, ptr %D, align 8
318 %A1 = load double, ptr %IdxA1, align 8
319 %B2 = load double, ptr %IdxB2, align 8
320 %A2 = load double, ptr %IdxA2, align 8
321 %B1 = load double, ptr %IdxB1, align 8
323 %subA0B0 = fsub fast double %A0, %B0
324 %subC0D0 = fsub fast double %C0, %D0
326 %subA1B2 = fsub fast double %A1, %B2
327 %subA2B1 = fsub fast double %A2, %B1
329 %add0 = fadd fast double %subA0B0, %subC0D0
330 %add1 = fadd fast double %subA1B2, %subA2B1
332 %IdxS1 = getelementptr inbounds double, ptr %S, i64 1
334 store double %add0, ptr %S, align 8
335 store double %add1, ptr %IdxS1, align 8
337 ; External uses of A1
338 store double %A1, ptr %Ext1, align 8
339 store double %A1, ptr %Ext2, align 8
340 store double %A1, ptr %Ext3, align 8
342 ; External uses of B1
343 store double %B1, ptr %Ext4, align 8
344 store double %B1, ptr %Ext5, align 8
349 ; This checks that the lookahead code does not crash when instructions with the same opcodes have different numbers of operands (in this case the calls).
352 declare double @_ZN1i2ayEv(ptr)
353 declare double @_ZN1i2axEv()
355 define void @lookahead_crash(ptr %A, ptr %S, ptr %Arg0) {
356 ; CHECK-LABEL: @lookahead_crash(
357 ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[A:%.*]], align 8
358 ; CHECK-NEXT: [[C0:%.*]] = call double @_ZN1i2ayEv(ptr [[ARG0:%.*]])
359 ; CHECK-NEXT: [[C1:%.*]] = call double @_ZN1i2axEv()
360 ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x double> poison, double [[C0]], i32 0
361 ; CHECK-NEXT: [[TMP3:%.*]] = insertelement <2 x double> [[TMP2]], double [[C1]], i32 1
362 ; CHECK-NEXT: [[TMP4:%.*]] = fadd fast <2 x double> [[TMP1]], [[TMP3]]
363 ; CHECK-NEXT: store <2 x double> [[TMP4]], ptr [[S:%.*]], align 8
364 ; CHECK-NEXT: ret void
366 %IdxA1 = getelementptr inbounds double, ptr %A, i64 1
368 %A0 = load double, ptr %A, align 8
369 %A1 = load double, ptr %IdxA1, align 8
371 %C0 = call double @_ZN1i2ayEv(ptr %Arg0)
372 %C1 = call double @_ZN1i2axEv()
374 %add0 = fadd fast double %A0, %C0
375 %add1 = fadd fast double %A1, %C1
377 %IdxS1 = getelementptr inbounds double, ptr %S, i64 1
378 store double %add0, ptr %S, align 8
379 store double %add1, ptr %IdxS1, align 8
383 ; This checks that we choose to group consecutive extracts from the same vectors.
384 define void @ChecksExtractScores(ptr %storeArray, ptr %array, ptr %vecPtr1, ptr %vecPtr2) {
385 ; CHECK-LABEL: @ChecksExtractScores(
386 ; CHECK-NEXT: [[IDX1:%.*]] = getelementptr inbounds double, ptr [[ARRAY:%.*]], i64 1
387 ; CHECK-NEXT: [[LOADA0:%.*]] = load double, ptr [[ARRAY]], align 4
388 ; CHECK-NEXT: [[LOADA1:%.*]] = load double, ptr [[IDX1]], align 4
389 ; CHECK-NEXT: [[LOADVEC:%.*]] = load <2 x double>, ptr [[VECPTR1:%.*]], align 4
390 ; CHECK-NEXT: [[LOADVEC2:%.*]] = load <2 x double>, ptr [[VECPTR2:%.*]], align 4
391 ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x double> poison, double [[LOADA0]], i32 0
392 ; CHECK-NEXT: [[TMP2:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> poison, <2 x i32> zeroinitializer
393 ; CHECK-NEXT: [[TMP3:%.*]] = fmul <2 x double> [[LOADVEC]], [[TMP2]]
394 ; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x double> poison, double [[LOADA1]], i32 0
395 ; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> poison, <2 x i32> zeroinitializer
396 ; CHECK-NEXT: [[TMP6:%.*]] = fmul <2 x double> [[LOADVEC2]], [[TMP5]]
397 ; CHECK-NEXT: [[TMP7:%.*]] = fadd <2 x double> [[TMP3]], [[TMP6]]
398 ; CHECK-NEXT: store <2 x double> [[TMP7]], ptr [[STOREARRAY:%.*]], align 8
399 ; CHECK-NEXT: ret void
401 %idx1 = getelementptr inbounds double, ptr %array, i64 1
402 %loadA0 = load double, ptr %array, align 4
403 %loadA1 = load double, ptr %idx1, align 4
405 %loadVec = load <2 x double>, ptr %vecPtr1, align 4
406 %extrA0 = extractelement <2 x double> %loadVec, i32 0
407 %extrA1 = extractelement <2 x double> %loadVec, i32 1
408 %loadVec2 = load <2 x double>, ptr %vecPtr2, align 4
409 %extrB0 = extractelement <2 x double> %loadVec2, i32 0
410 %extrB1 = extractelement <2 x double> %loadVec2, i32 1
412 %mul0 = fmul double %extrA0, %loadA0
413 %mul1 = fmul double %extrA1, %loadA0
414 %mul3 = fmul double %extrB0, %loadA1
415 %mul4 = fmul double %extrB1, %loadA1
416 %add0 = fadd double %mul0, %mul3
417 %add1 = fadd double %mul1, %mul4
419 %sidx1 = getelementptr inbounds double, ptr %storeArray, i64 1
420 store double %add0, ptr %storeArray, align 8
421 store double %add1, ptr %sidx1, align 8
426 define i1 @ExtractIdxNotConstantInt1(float %a, float %b, float %c, <4 x float> %vec, i64 %idx2) {
427 ; SSE-LABEL: @ExtractIdxNotConstantInt1(
428 ; SSE-NEXT: [[VECEXT_I291_I166:%.*]] = extractelement <4 x float> [[VEC:%.*]], i64 undef
429 ; SSE-NEXT: [[SUB14_I167:%.*]] = fsub float undef, [[VECEXT_I291_I166]]
430 ; SSE-NEXT: [[VECEXT_I276_I169:%.*]] = extractelement <4 x float> [[VEC]], i64 [[IDX2:%.*]]
431 ; SSE-NEXT: [[TMP1:%.*]] = insertelement <2 x float> poison, float [[A:%.*]], i32 0
432 ; SSE-NEXT: [[TMP2:%.*]] = insertelement <2 x float> [[TMP1]], float [[C:%.*]], i32 1
433 ; SSE-NEXT: [[TMP3:%.*]] = insertelement <2 x float> poison, float [[SUB14_I167]], i32 0
434 ; SSE-NEXT: [[TMP4:%.*]] = insertelement <2 x float> [[TMP3]], float [[VECEXT_I276_I169]], i32 1
435 ; SSE-NEXT: [[TMP5:%.*]] = fmul <2 x float> [[TMP2]], [[TMP4]]
436 ; SSE-NEXT: [[TMP6:%.*]] = insertelement <2 x float> <float poison, float 3.000000e+01>, float [[B:%.*]], i32 0
437 ; SSE-NEXT: [[TMP7:%.*]] = fsub <2 x float> [[TMP5]], [[TMP6]]
438 ; SSE-NEXT: [[TMP8:%.*]] = fadd <2 x float> [[TMP7]], <float 1.000000e+01, float 2.000000e+00>
439 ; SSE-NEXT: [[TMP9:%.*]] = extractelement <2 x float> [[TMP8]], i32 0
440 ; SSE-NEXT: [[TMP10:%.*]] = extractelement <2 x float> [[TMP8]], i32 1
441 ; SSE-NEXT: [[MUL123_I184:%.*]] = fmul float [[TMP9]], [[TMP10]]
442 ; SSE-NEXT: [[CMP_I185:%.*]] = fcmp ogt float [[MUL123_I184]], 0.000000e+00
443 ; SSE-NEXT: ret i1 [[CMP_I185]]
445 ; AVX-LABEL: @ExtractIdxNotConstantInt1(
446 ; AVX-NEXT: [[VECEXT_I291_I166:%.*]] = extractelement <4 x float> [[VEC:%.*]], i64 undef
447 ; AVX-NEXT: [[SUB14_I167:%.*]] = fsub float undef, [[VECEXT_I291_I166]]
448 ; AVX-NEXT: [[FM:%.*]] = fmul float [[A:%.*]], [[SUB14_I167]]
449 ; AVX-NEXT: [[SUB25_I168:%.*]] = fsub float [[FM]], [[B:%.*]]
450 ; AVX-NEXT: [[VECEXT_I276_I169:%.*]] = extractelement <4 x float> [[VEC]], i64 [[IDX2:%.*]]
451 ; AVX-NEXT: [[ADD36_I173:%.*]] = fadd float [[SUB25_I168]], 1.000000e+01
452 ; AVX-NEXT: [[MUL72_I179:%.*]] = fmul float [[C:%.*]], [[VECEXT_I276_I169]]
453 ; AVX-NEXT: [[ADD78_I180:%.*]] = fsub float [[MUL72_I179]], 3.000000e+01
454 ; AVX-NEXT: [[ADD79_I181:%.*]] = fadd float 2.000000e+00, [[ADD78_I180]]
455 ; AVX-NEXT: [[MUL123_I184:%.*]] = fmul float [[ADD36_I173]], [[ADD79_I181]]
456 ; AVX-NEXT: [[CMP_I185:%.*]] = fcmp ogt float [[MUL123_I184]], 0.000000e+00
457 ; AVX-NEXT: ret i1 [[CMP_I185]]
459 %vecext.i291.i166 = extractelement <4 x float> %vec, i64 undef
460 %sub14.i167 = fsub float undef, %vecext.i291.i166
461 %fm = fmul float %a, %sub14.i167
462 %sub25.i168 = fsub float %fm, %b
463 %vecext.i276.i169 = extractelement <4 x float> %vec, i64 %idx2
464 %add36.i173 = fadd float %sub25.i168, 10.0
465 %mul72.i179 = fmul float %c, %vecext.i276.i169
466 %add78.i180 = fsub float %mul72.i179, 30.0
467 %add79.i181 = fadd float 2.0, %add78.i180
468 %mul123.i184 = fmul float %add36.i173, %add79.i181
469 %cmp.i185 = fcmp ogt float %mul123.i184, 0.000000e+00
474 define i1 @ExtractIdxNotConstantInt2(float %a, float %b, float %c, <4 x float> %vec, i64 %idx2) {
475 ; SSE-LABEL: @ExtractIdxNotConstantInt2(
476 ; SSE-NEXT: [[VECEXT_I291_I166:%.*]] = extractelement <4 x float> [[VEC:%.*]], i64 1
477 ; SSE-NEXT: [[SUB14_I167:%.*]] = fsub float undef, [[VECEXT_I291_I166]]
478 ; SSE-NEXT: [[VECEXT_I276_I169:%.*]] = extractelement <4 x float> [[VEC]], i64 [[IDX2:%.*]]
479 ; SSE-NEXT: [[TMP1:%.*]] = insertelement <2 x float> poison, float [[A:%.*]], i32 0
480 ; SSE-NEXT: [[TMP2:%.*]] = insertelement <2 x float> [[TMP1]], float [[C:%.*]], i32 1
481 ; SSE-NEXT: [[TMP3:%.*]] = insertelement <2 x float> poison, float [[SUB14_I167]], i32 0
482 ; SSE-NEXT: [[TMP4:%.*]] = insertelement <2 x float> [[TMP3]], float [[VECEXT_I276_I169]], i32 1
483 ; SSE-NEXT: [[TMP5:%.*]] = fmul <2 x float> [[TMP2]], [[TMP4]]
484 ; SSE-NEXT: [[TMP6:%.*]] = insertelement <2 x float> <float poison, float 3.000000e+01>, float [[B:%.*]], i32 0
485 ; SSE-NEXT: [[TMP7:%.*]] = fsub <2 x float> [[TMP5]], [[TMP6]]
486 ; SSE-NEXT: [[TMP8:%.*]] = fadd <2 x float> [[TMP7]], <float 1.000000e+01, float 2.000000e+00>
487 ; SSE-NEXT: [[TMP9:%.*]] = extractelement <2 x float> [[TMP8]], i32 0
488 ; SSE-NEXT: [[TMP10:%.*]] = extractelement <2 x float> [[TMP8]], i32 1
489 ; SSE-NEXT: [[MUL123_I184:%.*]] = fmul float [[TMP9]], [[TMP10]]
490 ; SSE-NEXT: [[CMP_I185:%.*]] = fcmp ogt float [[MUL123_I184]], 0.000000e+00
491 ; SSE-NEXT: ret i1 [[CMP_I185]]
493 ; AVX-LABEL: @ExtractIdxNotConstantInt2(
494 ; AVX-NEXT: [[VECEXT_I291_I166:%.*]] = extractelement <4 x float> [[VEC:%.*]], i64 1
495 ; AVX-NEXT: [[SUB14_I167:%.*]] = fsub float undef, [[VECEXT_I291_I166]]
496 ; AVX-NEXT: [[FM:%.*]] = fmul float [[A:%.*]], [[SUB14_I167]]
497 ; AVX-NEXT: [[SUB25_I168:%.*]] = fsub float [[FM]], [[B:%.*]]
498 ; AVX-NEXT: [[VECEXT_I276_I169:%.*]] = extractelement <4 x float> [[VEC]], i64 [[IDX2:%.*]]
499 ; AVX-NEXT: [[ADD36_I173:%.*]] = fadd float [[SUB25_I168]], 1.000000e+01
500 ; AVX-NEXT: [[MUL72_I179:%.*]] = fmul float [[C:%.*]], [[VECEXT_I276_I169]]
501 ; AVX-NEXT: [[ADD78_I180:%.*]] = fsub float [[MUL72_I179]], 3.000000e+01
502 ; AVX-NEXT: [[ADD79_I181:%.*]] = fadd float 2.000000e+00, [[ADD78_I180]]
503 ; AVX-NEXT: [[MUL123_I184:%.*]] = fmul float [[ADD36_I173]], [[ADD79_I181]]
504 ; AVX-NEXT: [[CMP_I185:%.*]] = fcmp ogt float [[MUL123_I184]], 0.000000e+00
505 ; AVX-NEXT: ret i1 [[CMP_I185]]
507 %vecext.i291.i166 = extractelement <4 x float> %vec, i64 1
508 %sub14.i167 = fsub float undef, %vecext.i291.i166
509 %fm = fmul float %a, %sub14.i167
510 %sub25.i168 = fsub float %fm, %b
511 %vecext.i276.i169 = extractelement <4 x float> %vec, i64 %idx2
512 %add36.i173 = fadd float %sub25.i168, 10.0
513 %mul72.i179 = fmul float %c, %vecext.i276.i169
514 %add78.i180 = fsub float %mul72.i179, 30.0
515 %add79.i181 = fadd float 2.0, %add78.i180
516 %mul123.i184 = fmul float %add36.i173, %add79.i181
517 %cmp.i185 = fcmp ogt float %mul123.i184, 0.000000e+00
522 define i1 @foo(float %a, float %b, float %c, <4 x float> %vec, i64 %idx2) {
524 ; CHECK-NEXT: [[VECEXT_I291_I166:%.*]] = extractelement <4 x float> [[VEC:%.*]], i64 0
525 ; CHECK-NEXT: [[SUB14_I167:%.*]] = fsub float undef, [[VECEXT_I291_I166]]
526 ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x float> poison, float [[A:%.*]], i32 0
527 ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <2 x float> [[TMP1]], float [[C:%.*]], i32 1
528 ; CHECK-NEXT: [[TMP3:%.*]] = shufflevector <4 x float> [[VEC]], <4 x float> poison, <2 x i32> <i32 poison, i32 1>
529 ; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x float> [[TMP3]], float [[SUB14_I167]], i32 0
530 ; CHECK-NEXT: [[TMP5:%.*]] = fmul <2 x float> [[TMP2]], [[TMP4]]
531 ; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x float> <float poison, float 3.000000e+01>, float [[B:%.*]], i32 0
532 ; CHECK-NEXT: [[TMP7:%.*]] = fsub <2 x float> [[TMP5]], [[TMP6]]
533 ; CHECK-NEXT: [[TMP8:%.*]] = fadd <2 x float> [[TMP7]], <float 1.000000e+01, float 2.000000e+00>
534 ; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x float> [[TMP8]], i32 0
535 ; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x float> [[TMP8]], i32 1
536 ; CHECK-NEXT: [[MUL123_I184:%.*]] = fmul float [[TMP9]], [[TMP10]]
537 ; CHECK-NEXT: [[CMP_I185:%.*]] = fcmp ogt float [[MUL123_I184]], 0.000000e+00
538 ; CHECK-NEXT: ret i1 [[CMP_I185]]
540 %vecext.i291.i166 = extractelement <4 x float> %vec, i64 0
541 %sub14.i167 = fsub float undef, %vecext.i291.i166
542 %fm = fmul float %a, %sub14.i167
543 %sub25.i168 = fsub float %fm, %b
544 %vecext.i276.i169 = extractelement <4 x float> %vec, i64 1
545 %add36.i173 = fadd float %sub25.i168, 10.0
546 %mul72.i179 = fmul float %c, %vecext.i276.i169
547 %add78.i180 = fsub float %mul72.i179, 30.0
548 %add79.i181 = fadd float 2.0, %add78.i180
549 %mul123.i184 = fmul float %add36.i173, %add79.i181
550 %cmp.i185 = fcmp ogt float %mul123.i184, 0.000000e+00
554 ; Same as @ChecksExtractScores, but the extratelement vector operands do not match.
555 define void @ChecksExtractScores_different_vectors(ptr %storeArray, ptr %array, ptr %vecPtr1, ptr %vecPtr2, ptr %vecPtr3, ptr %vecPtr4) {
557 ; SSE-LABEL: @ChecksExtractScores_different_vectors(
558 ; SSE-NEXT: [[LOADVEC:%.*]] = load <2 x double>, ptr [[VECPTR1:%.*]], align 4
559 ; SSE-NEXT: [[LOADVEC2:%.*]] = load <2 x double>, ptr [[VECPTR2:%.*]], align 4
560 ; SSE-NEXT: [[LOADVEC3:%.*]] = load <2 x double>, ptr [[VECPTR3:%.*]], align 4
561 ; SSE-NEXT: [[LOADVEC4:%.*]] = load <2 x double>, ptr [[VECPTR4:%.*]], align 4
562 ; SSE-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[ARRAY:%.*]], align 4
563 ; SSE-NEXT: [[TMP2:%.*]] = shufflevector <2 x double> [[LOADVEC2]], <2 x double> [[LOADVEC3]], <2 x i32> <i32 1, i32 2>
564 ; SSE-NEXT: [[TMP3:%.*]] = fmul <2 x double> [[TMP2]], [[TMP1]]
565 ; SSE-NEXT: [[TMP4:%.*]] = shufflevector <2 x double> [[TMP3]], <2 x double> poison, <2 x i32> <i32 1, i32 0>
566 ; SSE-NEXT: [[TMP5:%.*]] = shufflevector <2 x double> [[LOADVEC]], <2 x double> [[LOADVEC4]], <2 x i32> <i32 0, i32 3>
567 ; SSE-NEXT: [[TMP6:%.*]] = fmul <2 x double> [[TMP5]], [[TMP1]]
568 ; SSE-NEXT: [[TMP7:%.*]] = fadd <2 x double> [[TMP4]], [[TMP6]]
569 ; SSE-NEXT: store <2 x double> [[TMP7]], ptr [[STOREARRAY:%.*]], align 8
572 ; AVX-LABEL: @ChecksExtractScores_different_vectors(
573 ; AVX-NEXT: [[IDX1:%.*]] = getelementptr inbounds double, ptr [[ARRAY:%.*]], i64 1
574 ; AVX-NEXT: [[LOADA0:%.*]] = load double, ptr [[ARRAY]], align 4
575 ; AVX-NEXT: [[LOADA1:%.*]] = load double, ptr [[IDX1]], align 4
576 ; AVX-NEXT: [[LOADVEC:%.*]] = load <2 x double>, ptr [[VECPTR1:%.*]], align 4
577 ; AVX-NEXT: [[LOADVEC2:%.*]] = load <2 x double>, ptr [[VECPTR2:%.*]], align 4
578 ; AVX-NEXT: [[LOADVEC3:%.*]] = load <2 x double>, ptr [[VECPTR3:%.*]], align 4
579 ; AVX-NEXT: [[LOADVEC4:%.*]] = load <2 x double>, ptr [[VECPTR4:%.*]], align 4
580 ; AVX-NEXT: [[TMP1:%.*]] = shufflevector <2 x double> [[LOADVEC]], <2 x double> [[LOADVEC2]], <2 x i32> <i32 0, i32 3>
581 ; AVX-NEXT: [[TMP2:%.*]] = insertelement <2 x double> poison, double [[LOADA0]], i32 0
582 ; AVX-NEXT: [[TMP3:%.*]] = shufflevector <2 x double> [[TMP2]], <2 x double> poison, <2 x i32> zeroinitializer
583 ; AVX-NEXT: [[TMP4:%.*]] = fmul <2 x double> [[TMP1]], [[TMP3]]
584 ; AVX-NEXT: [[TMP5:%.*]] = shufflevector <2 x double> [[LOADVEC3]], <2 x double> [[LOADVEC4]], <2 x i32> <i32 0, i32 3>
585 ; AVX-NEXT: [[TMP6:%.*]] = insertelement <2 x double> poison, double [[LOADA1]], i32 0
586 ; AVX-NEXT: [[TMP7:%.*]] = shufflevector <2 x double> [[TMP6]], <2 x double> poison, <2 x i32> zeroinitializer
587 ; AVX-NEXT: [[TMP8:%.*]] = fmul <2 x double> [[TMP5]], [[TMP7]]
588 ; AVX-NEXT: [[TMP9:%.*]] = fadd <2 x double> [[TMP4]], [[TMP8]]
589 ; AVX-NEXT: store <2 x double> [[TMP9]], ptr [[STOREARRAY:%.*]], align 8
592 %idx1 = getelementptr inbounds double, ptr %array, i64 1
593 %loadA0 = load double, ptr %array, align 4
594 %loadA1 = load double, ptr %idx1, align 4
596 %loadVec = load <2 x double>, ptr %vecPtr1, align 4
597 %loadVec2 = load <2 x double>, ptr %vecPtr2, align 4
598 %extrA0 = extractelement <2 x double> %loadVec, i32 0
599 %extrA1 = extractelement <2 x double> %loadVec2, i32 1
600 %loadVec3= load <2 x double>, ptr %vecPtr3, align 4
601 %loadVec4 = load <2 x double>, ptr %vecPtr4, align 4
602 %extrB0 = extractelement <2 x double> %loadVec3, i32 0
603 %extrB1 = extractelement <2 x double> %loadVec4, i32 1
605 %mul0 = fmul double %extrA0, %loadA0
606 %mul1 = fmul double %extrA1, %loadA0
607 %mul3 = fmul double %extrB0, %loadA1
608 %mul4 = fmul double %extrB1, %loadA1
609 %add0 = fadd double %mul0, %mul3
610 %add1 = fadd double %mul1, %mul4
612 %sidx1 = getelementptr inbounds double, ptr %storeArray, i64 1
613 store double %add0, ptr %storeArray, align 8
614 store double %add1, ptr %sidx1, align 8
618 ; This checks that we we prefer splats rather than reverse load vectors + shuffles.
619 ; 2-wide splat loads in x86 use a single instruction so they are quite cheap.
620 define double @splat_loads(ptr %array1, ptr %array2, ptr %ptrA, ptr %ptrB) {
621 ; SSE-LABEL: @splat_loads(
623 ; SSE-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[ARRAY1:%.*]], align 8
624 ; SSE-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[ARRAY2:%.*]], align 8
625 ; SSE-NEXT: [[TMP2:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> poison, <2 x i32> <i32 1, i32 0>
626 ; SSE-NEXT: [[TMP3:%.*]] = fmul <2 x double> [[TMP0]], [[TMP2]]
627 ; SSE-NEXT: [[TMP4:%.*]] = fmul <2 x double> [[TMP0]], [[TMP1]]
628 ; SSE-NEXT: [[TMP5:%.*]] = fadd <2 x double> [[TMP3]], [[TMP4]]
629 ; SSE-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP5]], i32 0
630 ; SSE-NEXT: [[TMP7:%.*]] = extractelement <2 x double> [[TMP5]], i32 1
631 ; SSE-NEXT: [[ADD3:%.*]] = fadd double [[TMP6]], [[TMP7]]
632 ; SSE-NEXT: ret double [[ADD3]]
634 ; AVX-LABEL: @splat_loads(
636 ; AVX-NEXT: [[GEP_2_1:%.*]] = getelementptr inbounds double, ptr [[ARRAY2:%.*]], i64 1
637 ; AVX-NEXT: [[LD_2_0:%.*]] = load double, ptr [[ARRAY2]], align 8
638 ; AVX-NEXT: [[LD_2_1:%.*]] = load double, ptr [[GEP_2_1]], align 8
639 ; AVX-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[ARRAY1:%.*]], align 8
640 ; AVX-NEXT: [[TMP1:%.*]] = insertelement <2 x double> poison, double [[LD_2_0]], i32 0
641 ; AVX-NEXT: [[TMP2:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> poison, <2 x i32> zeroinitializer
642 ; AVX-NEXT: [[TMP3:%.*]] = fmul <2 x double> [[TMP0]], [[TMP2]]
643 ; AVX-NEXT: [[TMP4:%.*]] = insertelement <2 x double> poison, double [[LD_2_1]], i32 0
644 ; AVX-NEXT: [[TMP5:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> poison, <2 x i32> zeroinitializer
645 ; AVX-NEXT: [[TMP6:%.*]] = fmul <2 x double> [[TMP0]], [[TMP5]]
646 ; AVX-NEXT: [[TMP7:%.*]] = fadd <2 x double> [[TMP3]], [[TMP6]]
647 ; AVX-NEXT: [[TMP8:%.*]] = extractelement <2 x double> [[TMP7]], i32 0
648 ; AVX-NEXT: [[TMP9:%.*]] = extractelement <2 x double> [[TMP7]], i32 1
649 ; AVX-NEXT: [[ADD3:%.*]] = fadd double [[TMP8]], [[TMP9]]
650 ; AVX-NEXT: ret double [[ADD3]]
653 %gep_1_1 = getelementptr inbounds double, ptr %array1, i64 1
654 %ld_1_0 = load double, ptr %array1, align 8
655 %ld_1_1 = load double, ptr %gep_1_1, align 8
657 %gep_2_1 = getelementptr inbounds double, ptr %array2, i64 1
658 %ld_2_0 = load double, ptr %array2, align 8
659 %ld_2_1 = load double, ptr %gep_2_1, align 8
661 %mul1 = fmul double %ld_1_0, %ld_2_0
662 %mul2 = fmul double %ld_1_1, %ld_2_0
664 %mul3 = fmul double %ld_1_0, %ld_2_1
665 %mul4 = fmul double %ld_1_1, %ld_2_1
667 %add1 = fadd double %mul1, %mul3
668 %add2 = fadd double %mul2, %mul4
670 %add3 = fadd double %add1, %add2
675 ; Same as splat_loads() but the splat load has internal uses in the slp graph.
676 define double @splat_loads_with_internal_uses(ptr %array1, ptr %array2, ptr %ptrA, ptr %ptrB) {
677 ; SSE-LABEL: @splat_loads_with_internal_uses(
679 ; SSE-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[ARRAY1:%.*]], align 8
680 ; SSE-NEXT: [[TMP1:%.*]] = load <2 x double>, ptr [[ARRAY2:%.*]], align 8
681 ; SSE-NEXT: [[TMP2:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> poison, <2 x i32> <i32 1, i32 0>
682 ; SSE-NEXT: [[TMP3:%.*]] = fmul <2 x double> [[TMP0]], [[TMP2]]
683 ; SSE-NEXT: [[TMP4:%.*]] = fmul <2 x double> [[TMP0]], [[TMP1]]
684 ; SSE-NEXT: [[TMP5:%.*]] = fadd <2 x double> [[TMP3]], [[TMP4]]
685 ; SSE-NEXT: [[TMP6:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> poison, <2 x i32> zeroinitializer
686 ; SSE-NEXT: [[TMP7:%.*]] = fsub <2 x double> [[TMP5]], [[TMP6]]
687 ; SSE-NEXT: [[TMP8:%.*]] = extractelement <2 x double> [[TMP7]], i32 0
688 ; SSE-NEXT: [[TMP9:%.*]] = extractelement <2 x double> [[TMP7]], i32 1
689 ; SSE-NEXT: [[RES:%.*]] = fadd double [[TMP8]], [[TMP9]]
690 ; SSE-NEXT: ret double [[RES]]
692 ; AVX-LABEL: @splat_loads_with_internal_uses(
694 ; AVX-NEXT: [[GEP_2_1:%.*]] = getelementptr inbounds double, ptr [[ARRAY2:%.*]], i64 1
695 ; AVX-NEXT: [[LD_2_0:%.*]] = load double, ptr [[ARRAY2]], align 8
696 ; AVX-NEXT: [[LD_2_1:%.*]] = load double, ptr [[GEP_2_1]], align 8
697 ; AVX-NEXT: [[TMP0:%.*]] = load <2 x double>, ptr [[ARRAY1:%.*]], align 8
698 ; AVX-NEXT: [[TMP1:%.*]] = insertelement <2 x double> poison, double [[LD_2_0]], i32 0
699 ; AVX-NEXT: [[TMP2:%.*]] = shufflevector <2 x double> [[TMP1]], <2 x double> poison, <2 x i32> zeroinitializer
700 ; AVX-NEXT: [[TMP3:%.*]] = fmul <2 x double> [[TMP0]], [[TMP2]]
701 ; AVX-NEXT: [[TMP4:%.*]] = insertelement <2 x double> poison, double [[LD_2_1]], i32 0
702 ; AVX-NEXT: [[TMP5:%.*]] = shufflevector <2 x double> [[TMP4]], <2 x double> poison, <2 x i32> zeroinitializer
703 ; AVX-NEXT: [[TMP6:%.*]] = fmul <2 x double> [[TMP0]], [[TMP5]]
704 ; AVX-NEXT: [[TMP7:%.*]] = fadd <2 x double> [[TMP3]], [[TMP6]]
705 ; AVX-NEXT: [[TMP8:%.*]] = fsub <2 x double> [[TMP7]], [[TMP2]]
706 ; AVX-NEXT: [[TMP9:%.*]] = extractelement <2 x double> [[TMP8]], i32 0
707 ; AVX-NEXT: [[TMP10:%.*]] = extractelement <2 x double> [[TMP8]], i32 1
708 ; AVX-NEXT: [[RES:%.*]] = fadd double [[TMP9]], [[TMP10]]
709 ; AVX-NEXT: ret double [[RES]]
712 %gep_1_1 = getelementptr inbounds double, ptr %array1, i64 1
713 %ld_1_0 = load double, ptr %array1, align 8
714 %ld_1_1 = load double, ptr %gep_1_1, align 8
716 %gep_2_1 = getelementptr inbounds double, ptr %array2, i64 1
717 %ld_2_0 = load double, ptr %array2, align 8
718 %ld_2_1 = load double, ptr %gep_2_1, align 8
720 %mul1 = fmul double %ld_1_0, %ld_2_0
721 %mul2 = fmul double %ld_1_1, %ld_2_0
723 %mul3 = fmul double %ld_1_0, %ld_2_1
724 %mul4 = fmul double %ld_1_1, %ld_2_1
726 %add1 = fadd double %mul1, %mul3
727 %add2 = fadd double %mul2, %mul4
729 ; One more user for the broadcast of %ld_2_0
730 %sub1 = fsub double %add1, %ld_2_0
731 %sub2 = fsub double %add2, %ld_2_0
733 %res = fadd double %sub1, %sub2