1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -slp-vectorizer -S -mtriple=x86_64-apple-macosx10.10.0 -mattr=+sse4.2 | FileCheck %s
8 ;int test1(unsigned int *p) {
11 ; for (int y = 0; y < 2; y++) {
12 ; // Inner loop gets unrolled
13 ; for (int x = 0; x < 8; x++) {
16 ; // Dummy call to keep outer loop alive
22 define i32 @test(i32* nocapture readonly %p) {
25 ; CHECK-NEXT: [[ARRAYIDX_1:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1
26 ; CHECK-NEXT: [[ARRAYIDX_2:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 2
27 ; CHECK-NEXT: [[ARRAYIDX_3:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 3
28 ; CHECK-NEXT: [[ARRAYIDX_4:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 4
29 ; CHECK-NEXT: [[ARRAYIDX_5:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 5
30 ; CHECK-NEXT: [[ARRAYIDX_6:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 6
31 ; CHECK-NEXT: [[ARRAYIDX_7:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7
32 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
34 ; CHECK-NEXT: [[SUM:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OP_EXTRA:%.*]], [[FOR_BODY]] ]
35 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P]] to <8 x i32>*
36 ; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4
37 ; CHECK-NEXT: [[TMP2:%.*]] = mul <8 x i32> [[TMP1]], <i32 42, i32 42, i32 42, i32 42, i32 42, i32 42, i32 42, i32 42>
38 ; CHECK-NEXT: [[TMP3:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP2]])
39 ; CHECK-NEXT: [[OP_EXTRA]] = add i32 [[TMP3]], [[SUM]]
40 ; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[FOR_BODY]]
42 ; CHECK-NEXT: ret i32 [[OP_EXTRA]]
45 %arrayidx.1 = getelementptr inbounds i32, i32* %p, i64 1
46 %arrayidx.2 = getelementptr inbounds i32, i32* %p, i64 2
47 %arrayidx.3 = getelementptr inbounds i32, i32* %p, i64 3
48 %arrayidx.4 = getelementptr inbounds i32, i32* %p, i64 4
49 %arrayidx.5 = getelementptr inbounds i32, i32* %p, i64 5
50 %arrayidx.6 = getelementptr inbounds i32, i32* %p, i64 6
51 %arrayidx.7 = getelementptr inbounds i32, i32* %p, i64 7
55 %sum = phi i32 [ 0, %entry ], [ %add.7, %for.body ]
56 %tmp = load i32, i32* %p, align 4
57 %mul = mul i32 %tmp, 42
58 %add = add i32 %mul, %sum
59 %tmp5 = load i32, i32* %arrayidx.1, align 4
60 %mul.1 = mul i32 %tmp5, 42
61 %add.1 = add i32 %mul.1, %add
62 %tmp6 = load i32, i32* %arrayidx.2, align 4
63 %mul.2 = mul i32 %tmp6, 42
64 %add.2 = add i32 %mul.2, %add.1
65 %tmp7 = load i32, i32* %arrayidx.3, align 4
66 %mul.3 = mul i32 %tmp7, 42
67 %add.3 = add i32 %mul.3, %add.2
68 %tmp8 = load i32, i32* %arrayidx.4, align 4
69 %mul.4 = mul i32 %tmp8, 42
70 %add.4 = add i32 %mul.4, %add.3
71 %tmp9 = load i32, i32* %arrayidx.5, align 4
72 %mul.5 = mul i32 %tmp9, 42
73 %add.5 = add i32 %mul.5, %add.4
74 %tmp10 = load i32, i32* %arrayidx.6, align 4
75 %mul.6 = mul i32 %tmp10, 42
76 %add.6 = add i32 %mul.6, %add.5
77 %tmp11 = load i32, i32* %arrayidx.7, align 4
78 %mul.7 = mul i32 %tmp11, 42
79 %add.7 = add i32 %mul.7, %add.6
80 br i1 true, label %for.end, label %for.body
88 ;int test2(unsigned int *p, unsigned int *q) {
91 ; for (int y = 0; y < 2; y++) {
92 ; // Inner loop gets unrolled
93 ; for (int x = 0; x < 8; x++) {
96 ; // Dummy call to keep outer loop alive
102 define i32 @test2(i32* nocapture readonly %p, i32* nocapture readonly %q) {
103 ; CHECK-LABEL: @test2(
105 ; CHECK-NEXT: [[ARRAYIDX_P_1:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1
106 ; CHECK-NEXT: [[ARRAYIDX_P_2:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 2
107 ; CHECK-NEXT: [[ARRAYIDX_P_3:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 3
108 ; CHECK-NEXT: [[ARRAYIDX_P_4:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 4
109 ; CHECK-NEXT: [[ARRAYIDX_P_5:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 5
110 ; CHECK-NEXT: [[ARRAYIDX_P_6:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 6
111 ; CHECK-NEXT: [[ARRAYIDX_P_7:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7
112 ; CHECK-NEXT: [[ARRAYIDX_Q_1:%.*]] = getelementptr inbounds i32, i32* [[Q:%.*]], i64 1
113 ; CHECK-NEXT: [[ARRAYIDX_Q_2:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 2
114 ; CHECK-NEXT: [[ARRAYIDX_Q_3:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 3
115 ; CHECK-NEXT: [[ARRAYIDX_Q_4:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 4
116 ; CHECK-NEXT: [[ARRAYIDX_Q_5:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 5
117 ; CHECK-NEXT: [[ARRAYIDX_Q_6:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 6
118 ; CHECK-NEXT: [[ARRAYIDX_Q_7:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 7
119 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
121 ; CHECK-NEXT: [[SUM:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OP_EXTRA:%.*]], [[FOR_BODY]] ]
122 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P]] to <8 x i32>*
123 ; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4
124 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[Q]] to <8 x i32>*
125 ; CHECK-NEXT: [[TMP3:%.*]] = load <8 x i32>, <8 x i32>* [[TMP2]], align 4
126 ; CHECK-NEXT: [[TMP4:%.*]] = mul <8 x i32> [[TMP1]], [[TMP3]]
127 ; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP4]])
128 ; CHECK-NEXT: [[OP_EXTRA]] = add i32 [[TMP5]], [[SUM]]
129 ; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[FOR_BODY]]
131 ; CHECK-NEXT: ret i32 [[OP_EXTRA]]
134 %arrayidx.p.1 = getelementptr inbounds i32, i32* %p, i64 1
135 %arrayidx.p.2 = getelementptr inbounds i32, i32* %p, i64 2
136 %arrayidx.p.3 = getelementptr inbounds i32, i32* %p, i64 3
137 %arrayidx.p.4 = getelementptr inbounds i32, i32* %p, i64 4
138 %arrayidx.p.5 = getelementptr inbounds i32, i32* %p, i64 5
139 %arrayidx.p.6 = getelementptr inbounds i32, i32* %p, i64 6
140 %arrayidx.p.7 = getelementptr inbounds i32, i32* %p, i64 7
142 %arrayidx.q.1 = getelementptr inbounds i32, i32* %q, i64 1
143 %arrayidx.q.2 = getelementptr inbounds i32, i32* %q, i64 2
144 %arrayidx.q.3 = getelementptr inbounds i32, i32* %q, i64 3
145 %arrayidx.q.4 = getelementptr inbounds i32, i32* %q, i64 4
146 %arrayidx.q.5 = getelementptr inbounds i32, i32* %q, i64 5
147 %arrayidx.q.6 = getelementptr inbounds i32, i32* %q, i64 6
148 %arrayidx.q.7 = getelementptr inbounds i32, i32* %q, i64 7
152 %sum = phi i32 [ 0, %entry ], [ %add.7, %for.body ]
153 %tmpp = load i32, i32* %p, align 4
154 %tmpq = load i32, i32* %q, align 4
155 %mul = mul i32 %tmpp, %tmpq
156 %add = add i32 %mul, %sum
157 %tmp5p = load i32, i32* %arrayidx.p.1, align 4
158 %tmp5q = load i32, i32* %arrayidx.q.1, align 4
159 %mul.1 = mul i32 %tmp5p, %tmp5q
160 %add.1 = add i32 %mul.1, %add
161 %tmp6p = load i32, i32* %arrayidx.p.2, align 4
162 %tmp6q = load i32, i32* %arrayidx.q.2, align 4
163 %mul.2 = mul i32 %tmp6p, %tmp6q
164 %add.2 = add i32 %mul.2, %add.1
165 %tmp7p = load i32, i32* %arrayidx.p.3, align 4
166 %tmp7q = load i32, i32* %arrayidx.q.3, align 4
167 %mul.3 = mul i32 %tmp7p, %tmp7q
168 %add.3 = add i32 %mul.3, %add.2
169 %tmp8p = load i32, i32* %arrayidx.p.4, align 4
170 %tmp8q = load i32, i32* %arrayidx.q.4, align 4
171 %mul.4 = mul i32 %tmp8p, %tmp8q
172 %add.4 = add i32 %mul.4, %add.3
173 %tmp9p = load i32, i32* %arrayidx.p.5, align 4
174 %tmp9q = load i32, i32* %arrayidx.q.5, align 4
175 %mul.5 = mul i32 %tmp9p, %tmp9q
176 %add.5 = add i32 %mul.5, %add.4
177 %tmp10p = load i32, i32* %arrayidx.p.6, align 4
178 %tmp10q = load i32, i32* %arrayidx.q.6, align 4
179 %mul.6 = mul i32 %tmp10p, %tmp10q
180 %add.6 = add i32 %mul.6, %add.5
181 %tmp11p = load i32, i32* %arrayidx.p.7, align 4
182 %tmp11q = load i32, i32* %arrayidx.q.7, align 4
183 %mul.7 = mul i32 %tmp11p, %tmp11q
184 %add.7 = add i32 %mul.7, %add.6
185 br i1 true, label %for.end, label %for.body
193 ;int test3(unsigned int *p, unsigned int *q) {
196 ; for (int y = 0; y < 2; y++) {
197 ; // Inner loop gets unrolled
198 ; for (int x = 0; x < 8; x++) {
199 ; sum += p[x] * q[7-x];
201 ; // Dummy call to keep outer loop alive
207 define i32 @test3(i32* nocapture readonly %p, i32* nocapture readonly %q) {
208 ; CHECK-LABEL: @test3(
210 ; CHECK-NEXT: [[ARRAYIDX_P_1:%.*]] = getelementptr inbounds i32, i32* [[P:%.*]], i64 1
211 ; CHECK-NEXT: [[ARRAYIDX_P_2:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 2
212 ; CHECK-NEXT: [[ARRAYIDX_P_3:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 3
213 ; CHECK-NEXT: [[ARRAYIDX_P_4:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 4
214 ; CHECK-NEXT: [[ARRAYIDX_P_5:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 5
215 ; CHECK-NEXT: [[ARRAYIDX_P_6:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 6
216 ; CHECK-NEXT: [[ARRAYIDX_P_7:%.*]] = getelementptr inbounds i32, i32* [[P]], i64 7
217 ; CHECK-NEXT: [[ARRAYIDX_Q_1:%.*]] = getelementptr inbounds i32, i32* [[Q:%.*]], i64 1
218 ; CHECK-NEXT: [[ARRAYIDX_Q_2:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 2
219 ; CHECK-NEXT: [[ARRAYIDX_Q_3:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 3
220 ; CHECK-NEXT: [[ARRAYIDX_Q_4:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 4
221 ; CHECK-NEXT: [[ARRAYIDX_Q_5:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 5
222 ; CHECK-NEXT: [[ARRAYIDX_Q_6:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 6
223 ; CHECK-NEXT: [[ARRAYIDX_Q_7:%.*]] = getelementptr inbounds i32, i32* [[Q]], i64 7
224 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
226 ; CHECK-NEXT: [[SUM:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OP_EXTRA:%.*]], [[FOR_BODY]] ]
227 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i32* [[P]] to <8 x i32>*
228 ; CHECK-NEXT: [[TMP1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP0]], align 4
229 ; CHECK-NEXT: [[SHUFFLE:%.*]] = shufflevector <8 x i32> [[TMP1]], <8 x i32> poison, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 3, i32 2, i32 1, i32 0>
230 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[Q]] to <8 x i32>*
231 ; CHECK-NEXT: [[TMP3:%.*]] = load <8 x i32>, <8 x i32>* [[TMP2]], align 4
232 ; CHECK-NEXT: [[TMP4:%.*]] = mul <8 x i32> [[SHUFFLE]], [[TMP3]]
233 ; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.vector.reduce.add.v8i32(<8 x i32> [[TMP4]])
234 ; CHECK-NEXT: [[OP_EXTRA]] = add i32 [[TMP5]], [[SUM]]
235 ; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[FOR_BODY]]
237 ; CHECK-NEXT: ret i32 [[OP_EXTRA]]
240 %arrayidx.p.1 = getelementptr inbounds i32, i32* %p, i64 1
241 %arrayidx.p.2 = getelementptr inbounds i32, i32* %p, i64 2
242 %arrayidx.p.3 = getelementptr inbounds i32, i32* %p, i64 3
243 %arrayidx.p.4 = getelementptr inbounds i32, i32* %p, i64 4
244 %arrayidx.p.5 = getelementptr inbounds i32, i32* %p, i64 5
245 %arrayidx.p.6 = getelementptr inbounds i32, i32* %p, i64 6
246 %arrayidx.p.7 = getelementptr inbounds i32, i32* %p, i64 7
248 %arrayidx.q.1 = getelementptr inbounds i32, i32* %q, i64 1
249 %arrayidx.q.2 = getelementptr inbounds i32, i32* %q, i64 2
250 %arrayidx.q.3 = getelementptr inbounds i32, i32* %q, i64 3
251 %arrayidx.q.4 = getelementptr inbounds i32, i32* %q, i64 4
252 %arrayidx.q.5 = getelementptr inbounds i32, i32* %q, i64 5
253 %arrayidx.q.6 = getelementptr inbounds i32, i32* %q, i64 6
254 %arrayidx.q.7 = getelementptr inbounds i32, i32* %q, i64 7
258 %sum = phi i32 [ 0, %entry ], [ %add.7, %for.body ]
259 %tmpp = load i32, i32* %p, align 4
260 %tmpq = load i32, i32* %arrayidx.q.7, align 4
261 %mul = mul i32 %tmpp, %tmpq
262 %add = add i32 %mul, %sum
263 %tmp5p = load i32, i32* %arrayidx.p.1, align 4
264 %tmp5q = load i32, i32* %arrayidx.q.6, align 4
265 %mul.1 = mul i32 %tmp5p, %tmp5q
266 %add.1 = add i32 %mul.1, %add
267 %tmp6p = load i32, i32* %arrayidx.p.2, align 4
268 %tmp6q = load i32, i32* %arrayidx.q.5, align 4
269 %mul.2 = mul i32 %tmp6p, %tmp6q
270 %add.2 = add i32 %mul.2, %add.1
271 %tmp7p = load i32, i32* %arrayidx.p.3, align 4
272 %tmp7q = load i32, i32* %arrayidx.q.4, align 4
273 %mul.3 = mul i32 %tmp7p, %tmp7q
274 %add.3 = add i32 %mul.3, %add.2
275 %tmp8p = load i32, i32* %arrayidx.p.4, align 4
276 %tmp8q = load i32, i32* %arrayidx.q.3, align 4
277 %mul.4 = mul i32 %tmp8p, %tmp8q
278 %add.4 = add i32 %mul.4, %add.3
279 %tmp9p = load i32, i32* %arrayidx.p.5, align 4
280 %tmp9q = load i32, i32* %arrayidx.q.2, align 4
281 %mul.5 = mul i32 %tmp9p, %tmp9q
282 %add.5 = add i32 %mul.5, %add.4
283 %tmp10p = load i32, i32* %arrayidx.p.6, align 4
284 %tmp10q = load i32, i32* %arrayidx.q.1, align 4
285 %mul.6 = mul i32 %tmp10p, %tmp10q
286 %add.6 = add i32 %mul.6, %add.5
287 %tmp11p = load i32, i32* %arrayidx.p.7, align 4
288 %tmp11q = load i32, i32* %q, align 4
289 %mul.7 = mul i32 %tmp11p, %tmp11q
290 %add.7 = add i32 %mul.7, %add.6
291 br i1 true, label %for.end, label %for.body