1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -basicaa -slp-vectorizer -S | FileCheck %s
3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4 target triple = "x86_64-apple-macosx10.9.0"
6 @A = common global [2000 x double] zeroinitializer, align 16
7 @B = common global [2000 x double] zeroinitializer, align 16
8 @C = common global [2000 x float] zeroinitializer, align 16
9 @D = common global [2000 x float] zeroinitializer, align 16
11 ; Currently SCEV isn't smart enough to figure out that accesses
12 ; A[3*i], A[3*i+1] and A[3*i+2] are consecutive, but in future
13 ; that would hopefully be fixed. For now, check that this isn't
15 ; Function Attrs: nounwind ssp uwtable
16 define void @foo_3double(i32 %u) #0 {
17 ; CHECK-LABEL: @foo_3double(
19 ; CHECK-NEXT: [[U_ADDR:%.*]] = alloca i32, align 4
20 ; CHECK-NEXT: store i32 [[U:%.*]], i32* [[U_ADDR]], align 4
21 ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[U]], 3
22 ; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[MUL]] to i64
23 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 [[IDXPROM]]
24 ; CHECK-NEXT: [[TMP0:%.*]] = load double, double* [[ARRAYIDX]], align 8
25 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 [[IDXPROM]]
26 ; CHECK-NEXT: [[TMP1:%.*]] = load double, double* [[ARRAYIDX4]], align 8
27 ; CHECK-NEXT: [[ADD5:%.*]] = fadd double [[TMP0]], [[TMP1]]
28 ; CHECK-NEXT: store double [[ADD5]], double* [[ARRAYIDX]], align 8
29 ; CHECK-NEXT: [[ADD11:%.*]] = add nsw i32 [[MUL]], 1
30 ; CHECK-NEXT: [[IDXPROM12:%.*]] = sext i32 [[ADD11]] to i64
31 ; CHECK-NEXT: [[ARRAYIDX13:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 [[IDXPROM12]]
32 ; CHECK-NEXT: [[TMP2:%.*]] = load double, double* [[ARRAYIDX13]], align 8
33 ; CHECK-NEXT: [[ARRAYIDX17:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 [[IDXPROM12]]
34 ; CHECK-NEXT: [[TMP3:%.*]] = load double, double* [[ARRAYIDX17]], align 8
35 ; CHECK-NEXT: [[ADD18:%.*]] = fadd double [[TMP2]], [[TMP3]]
36 ; CHECK-NEXT: store double [[ADD18]], double* [[ARRAYIDX13]], align 8
37 ; CHECK-NEXT: [[ADD24:%.*]] = add nsw i32 [[MUL]], 2
38 ; CHECK-NEXT: [[IDXPROM25:%.*]] = sext i32 [[ADD24]] to i64
39 ; CHECK-NEXT: [[ARRAYIDX26:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 [[IDXPROM25]]
40 ; CHECK-NEXT: [[TMP4:%.*]] = load double, double* [[ARRAYIDX26]], align 8
41 ; CHECK-NEXT: [[ARRAYIDX30:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 [[IDXPROM25]]
42 ; CHECK-NEXT: [[TMP5:%.*]] = load double, double* [[ARRAYIDX30]], align 8
43 ; CHECK-NEXT: [[ADD31:%.*]] = fadd double [[TMP4]], [[TMP5]]
44 ; CHECK-NEXT: store double [[ADD31]], double* [[ARRAYIDX26]], align 8
45 ; CHECK-NEXT: ret void
48 %u.addr = alloca i32, align 4
49 store i32 %u, i32* %u.addr, align 4
50 %mul = mul nsw i32 %u, 3
51 %idxprom = sext i32 %mul to i64
52 %arrayidx = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom
53 %0 = load double, double* %arrayidx, align 8
54 %arrayidx4 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom
55 %1 = load double, double* %arrayidx4, align 8
56 %add5 = fadd double %0, %1
57 store double %add5, double* %arrayidx, align 8
58 %add11 = add nsw i32 %mul, 1
59 %idxprom12 = sext i32 %add11 to i64
60 %arrayidx13 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom12
61 %2 = load double, double* %arrayidx13, align 8
62 %arrayidx17 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom12
63 %3 = load double, double* %arrayidx17, align 8
64 %add18 = fadd double %2, %3
65 store double %add18, double* %arrayidx13, align 8
66 %add24 = add nsw i32 %mul, 2
67 %idxprom25 = sext i32 %add24 to i64
68 %arrayidx26 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom25
69 %4 = load double, double* %arrayidx26, align 8
70 %arrayidx30 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom25
71 %5 = load double, double* %arrayidx30, align 8
72 %add31 = fadd double %4, %5
73 store double %add31, double* %arrayidx26, align 8
77 ; SCEV should be able to tell that accesses A[C1 + C2*i], A[C1 + C2*i], ...
78 ; A[C1 + C2*i] are consecutive, if C2 is a power of 2, and C2 > C1 > 0.
79 ; Thus, the following code should be vectorized.
80 ; Function Attrs: nounwind ssp uwtable
81 define void @foo_2double(i32 %u) #0 {
82 ; CHECK-LABEL: @foo_2double(
84 ; CHECK-NEXT: [[U_ADDR:%.*]] = alloca i32, align 4
85 ; CHECK-NEXT: store i32 [[U:%.*]], i32* [[U_ADDR]], align 4
86 ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[U]], 2
87 ; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[MUL]] to i64
88 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 [[IDXPROM]]
89 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 [[IDXPROM]]
90 ; CHECK-NEXT: [[ADD11:%.*]] = add nsw i32 [[MUL]], 1
91 ; CHECK-NEXT: [[IDXPROM12:%.*]] = sext i32 [[ADD11]] to i64
92 ; CHECK-NEXT: [[ARRAYIDX13:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 [[IDXPROM12]]
93 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast double* [[ARRAYIDX]] to <2 x double>*
94 ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, <2 x double>* [[TMP0]], align 8
95 ; CHECK-NEXT: [[ARRAYIDX17:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 [[IDXPROM12]]
96 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[ARRAYIDX4]] to <2 x double>*
97 ; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, <2 x double>* [[TMP2]], align 8
98 ; CHECK-NEXT: [[TMP4:%.*]] = fadd <2 x double> [[TMP1]], [[TMP3]]
99 ; CHECK-NEXT: [[TMP5:%.*]] = bitcast double* [[ARRAYIDX]] to <2 x double>*
100 ; CHECK-NEXT: store <2 x double> [[TMP4]], <2 x double>* [[TMP5]], align 8
101 ; CHECK-NEXT: ret void
104 %u.addr = alloca i32, align 4
105 store i32 %u, i32* %u.addr, align 4
106 %mul = mul nsw i32 %u, 2
107 %idxprom = sext i32 %mul to i64
108 %arrayidx = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom
109 %0 = load double, double* %arrayidx, align 8
110 %arrayidx4 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom
111 %1 = load double, double* %arrayidx4, align 8
112 %add5 = fadd double %0, %1
113 store double %add5, double* %arrayidx, align 8
114 %add11 = add nsw i32 %mul, 1
115 %idxprom12 = sext i32 %add11 to i64
116 %arrayidx13 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom12
117 %2 = load double, double* %arrayidx13, align 8
118 %arrayidx17 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom12
119 %3 = load double, double* %arrayidx17, align 8
120 %add18 = fadd double %2, %3
121 store double %add18, double* %arrayidx13, align 8
125 ; Similar to the previous test, but with different datatype.
126 ; Function Attrs: nounwind ssp uwtable
127 define void @foo_4float(i32 %u) #0 {
128 ; CHECK-LABEL: @foo_4float(
130 ; CHECK-NEXT: [[U_ADDR:%.*]] = alloca i32, align 4
131 ; CHECK-NEXT: store i32 [[U:%.*]], i32* [[U_ADDR]], align 4
132 ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[U]], 4
133 ; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[MUL]] to i64
134 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 [[IDXPROM]]
135 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 [[IDXPROM]]
136 ; CHECK-NEXT: [[ADD11:%.*]] = add nsw i32 [[MUL]], 1
137 ; CHECK-NEXT: [[IDXPROM12:%.*]] = sext i32 [[ADD11]] to i64
138 ; CHECK-NEXT: [[ARRAYIDX13:%.*]] = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 [[IDXPROM12]]
139 ; CHECK-NEXT: [[ARRAYIDX17:%.*]] = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 [[IDXPROM12]]
140 ; CHECK-NEXT: [[ADD24:%.*]] = add nsw i32 [[MUL]], 2
141 ; CHECK-NEXT: [[IDXPROM25:%.*]] = sext i32 [[ADD24]] to i64
142 ; CHECK-NEXT: [[ARRAYIDX26:%.*]] = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 [[IDXPROM25]]
143 ; CHECK-NEXT: [[ARRAYIDX30:%.*]] = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 [[IDXPROM25]]
144 ; CHECK-NEXT: [[ADD37:%.*]] = add nsw i32 [[MUL]], 3
145 ; CHECK-NEXT: [[IDXPROM38:%.*]] = sext i32 [[ADD37]] to i64
146 ; CHECK-NEXT: [[ARRAYIDX39:%.*]] = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 [[IDXPROM38]]
147 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast float* [[ARRAYIDX]] to <4 x float>*
148 ; CHECK-NEXT: [[TMP1:%.*]] = load <4 x float>, <4 x float>* [[TMP0]], align 4
149 ; CHECK-NEXT: [[ARRAYIDX43:%.*]] = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 [[IDXPROM38]]
150 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast float* [[ARRAYIDX4]] to <4 x float>*
151 ; CHECK-NEXT: [[TMP3:%.*]] = load <4 x float>, <4 x float>* [[TMP2]], align 4
152 ; CHECK-NEXT: [[TMP4:%.*]] = fadd <4 x float> [[TMP1]], [[TMP3]]
153 ; CHECK-NEXT: [[TMP5:%.*]] = bitcast float* [[ARRAYIDX]] to <4 x float>*
154 ; CHECK-NEXT: store <4 x float> [[TMP4]], <4 x float>* [[TMP5]], align 4
155 ; CHECK-NEXT: ret void
158 %u.addr = alloca i32, align 4
159 store i32 %u, i32* %u.addr, align 4
160 %mul = mul nsw i32 %u, 4
161 %idxprom = sext i32 %mul to i64
162 %arrayidx = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom
163 %0 = load float, float* %arrayidx, align 4
164 %arrayidx4 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom
165 %1 = load float, float* %arrayidx4, align 4
166 %add5 = fadd float %0, %1
167 store float %add5, float* %arrayidx, align 4
168 %add11 = add nsw i32 %mul, 1
169 %idxprom12 = sext i32 %add11 to i64
170 %arrayidx13 = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom12
171 %2 = load float, float* %arrayidx13, align 4
172 %arrayidx17 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom12
173 %3 = load float, float* %arrayidx17, align 4
174 %add18 = fadd float %2, %3
175 store float %add18, float* %arrayidx13, align 4
176 %add24 = add nsw i32 %mul, 2
177 %idxprom25 = sext i32 %add24 to i64
178 %arrayidx26 = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom25
179 %4 = load float, float* %arrayidx26, align 4
180 %arrayidx30 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom25
181 %5 = load float, float* %arrayidx30, align 4
182 %add31 = fadd float %4, %5
183 store float %add31, float* %arrayidx26, align 4
184 %add37 = add nsw i32 %mul, 3
185 %idxprom38 = sext i32 %add37 to i64
186 %arrayidx39 = getelementptr inbounds [2000 x float], [2000 x float]* @C, i32 0, i64 %idxprom38
187 %6 = load float, float* %arrayidx39, align 4
188 %arrayidx43 = getelementptr inbounds [2000 x float], [2000 x float]* @D, i32 0, i64 %idxprom38
189 %7 = load float, float* %arrayidx43, align 4
190 %add44 = fadd float %6, %7
191 store float %add44, float* %arrayidx39, align 4
195 ; Similar to the previous tests, but now we are dealing with AddRec SCEV.
196 ; Function Attrs: nounwind ssp uwtable
197 define i32 @foo_loop(double* %A, i32 %n) #0 {
198 ; CHECK-LABEL: @foo_loop(
200 ; CHECK-NEXT: [[A_ADDR:%.*]] = alloca double*, align 8
201 ; CHECK-NEXT: [[N_ADDR:%.*]] = alloca i32, align 4
202 ; CHECK-NEXT: [[SUM:%.*]] = alloca double, align 8
203 ; CHECK-NEXT: [[I:%.*]] = alloca i32, align 4
204 ; CHECK-NEXT: store double* [[A:%.*]], double** [[A_ADDR]], align 8
205 ; CHECK-NEXT: store i32 [[N:%.*]], i32* [[N_ADDR]], align 4
206 ; CHECK-NEXT: store double 0.000000e+00, double* [[SUM]], align 8
207 ; CHECK-NEXT: store i32 0, i32* [[I]], align 4
208 ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 0, [[N]]
209 ; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
210 ; CHECK: for.body.lr.ph:
211 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
213 ; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ 0, [[FOR_BODY_LR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
214 ; CHECK-NEXT: [[TMP1:%.*]] = phi double [ 0.000000e+00, [[FOR_BODY_LR_PH]] ], [ [[ADD7:%.*]], [[FOR_BODY]] ]
215 ; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP0]], 2
216 ; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[MUL]] to i64
217 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, double* [[A]], i64 [[IDXPROM]]
218 ; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[MUL]], 1
219 ; CHECK-NEXT: [[IDXPROM3:%.*]] = sext i32 [[ADD]] to i64
220 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds double, double* [[A]], i64 [[IDXPROM3]]
221 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[ARRAYIDX]] to <2 x double>*
222 ; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, <2 x double>* [[TMP2]], align 8
223 ; CHECK-NEXT: [[TMP4:%.*]] = fmul <2 x double> <double 7.000000e+00, double 7.000000e+00>, [[TMP3]]
224 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
225 ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
226 ; CHECK-NEXT: [[ADD6:%.*]] = fadd double [[TMP5]], [[TMP6]]
227 ; CHECK-NEXT: [[ADD7]] = fadd double [[TMP1]], [[ADD6]]
228 ; CHECK-NEXT: store double [[ADD7]], double* [[SUM]], align 8
229 ; CHECK-NEXT: [[INC]] = add nsw i32 [[TMP0]], 1
230 ; CHECK-NEXT: store i32 [[INC]], i32* [[I]], align 4
231 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[INC]], [[N]]
232 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_FOR_END_CRIT_EDGE:%.*]]
233 ; CHECK: for.cond.for.end_crit_edge:
234 ; CHECK-NEXT: [[SPLIT:%.*]] = phi double [ [[ADD7]], [[FOR_BODY]] ]
235 ; CHECK-NEXT: br label [[FOR_END]]
237 ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi double [ [[SPLIT]], [[FOR_COND_FOR_END_CRIT_EDGE]] ], [ 0.000000e+00, [[ENTRY:%.*]] ]
238 ; CHECK-NEXT: [[CONV:%.*]] = fptosi double [[DOTLCSSA]] to i32
239 ; CHECK-NEXT: ret i32 [[CONV]]
242 %A.addr = alloca double*, align 8
243 %n.addr = alloca i32, align 4
244 %sum = alloca double, align 8
245 %i = alloca i32, align 4
246 store double* %A, double** %A.addr, align 8
247 store i32 %n, i32* %n.addr, align 4
248 store double 0.000000e+00, double* %sum, align 8
249 store i32 0, i32* %i, align 4
250 %cmp1 = icmp slt i32 0, %n
251 br i1 %cmp1, label %for.body.lr.ph, label %for.end
253 for.body.lr.ph: ; preds = %entry
256 for.body: ; preds = %for.body.lr.ph, %for.body
257 %0 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
258 %1 = phi double [ 0.000000e+00, %for.body.lr.ph ], [ %add7, %for.body ]
259 %mul = mul nsw i32 %0, 2
260 %idxprom = sext i32 %mul to i64
261 %arrayidx = getelementptr inbounds double, double* %A, i64 %idxprom
262 %2 = load double, double* %arrayidx, align 8
263 %mul1 = fmul double 7.000000e+00, %2
264 %add = add nsw i32 %mul, 1
265 %idxprom3 = sext i32 %add to i64
266 %arrayidx4 = getelementptr inbounds double, double* %A, i64 %idxprom3
267 %3 = load double, double* %arrayidx4, align 8
268 %mul5 = fmul double 7.000000e+00, %3
269 %add6 = fadd double %mul1, %mul5
270 %add7 = fadd double %1, %add6
271 store double %add7, double* %sum, align 8
272 %inc = add nsw i32 %0, 1
273 store i32 %inc, i32* %i, align 4
274 %cmp = icmp slt i32 %inc, %n
275 br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
277 for.cond.for.end_crit_edge: ; preds = %for.body
278 %split = phi double [ %add7, %for.body ]
281 for.end: ; preds = %for.cond.for.end_crit_edge, %entry
282 %.lcssa = phi double [ %split, %for.cond.for.end_crit_edge ], [ 0.000000e+00, %entry ]
283 %conv = fptosi double %.lcssa to i32
287 ; Similar to foo_2double but with a non-power-of-2 factor and potential
288 ; wrapping (both indices wrap or both don't in the same time)
289 ; Function Attrs: nounwind ssp uwtable
290 define void @foo_2double_non_power_of_2(i32 %u) #0 {
291 ; CHECK-LABEL: @foo_2double_non_power_of_2(
293 ; CHECK-NEXT: [[U_ADDR:%.*]] = alloca i32, align 4
294 ; CHECK-NEXT: store i32 [[U:%.*]], i32* [[U_ADDR]], align 4
295 ; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[U]], 6
296 ; CHECK-NEXT: [[ADD6:%.*]] = add i32 [[MUL]], 6
297 ; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[ADD6]] to i64
298 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 [[IDXPROM]]
299 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 [[IDXPROM]]
300 ; CHECK-NEXT: [[ADD7:%.*]] = add i32 [[MUL]], 7
301 ; CHECK-NEXT: [[IDXPROM12:%.*]] = sext i32 [[ADD7]] to i64
302 ; CHECK-NEXT: [[ARRAYIDX13:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 [[IDXPROM12]]
303 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast double* [[ARRAYIDX]] to <2 x double>*
304 ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, <2 x double>* [[TMP0]], align 8
305 ; CHECK-NEXT: [[ARRAYIDX17:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 [[IDXPROM12]]
306 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[ARRAYIDX4]] to <2 x double>*
307 ; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, <2 x double>* [[TMP2]], align 8
308 ; CHECK-NEXT: [[TMP4:%.*]] = fadd <2 x double> [[TMP1]], [[TMP3]]
309 ; CHECK-NEXT: [[TMP5:%.*]] = bitcast double* [[ARRAYIDX]] to <2 x double>*
310 ; CHECK-NEXT: store <2 x double> [[TMP4]], <2 x double>* [[TMP5]], align 8
311 ; CHECK-NEXT: ret void
314 %u.addr = alloca i32, align 4
315 store i32 %u, i32* %u.addr, align 4
317 %add6 = add i32 %mul, 6
318 %idxprom = sext i32 %add6 to i64
319 %arrayidx = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom
320 %0 = load double, double* %arrayidx, align 8
321 %arrayidx4 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom
322 %1 = load double, double* %arrayidx4, align 8
323 %add5 = fadd double %0, %1
324 store double %add5, double* %arrayidx, align 8
325 %add7 = add i32 %mul, 7
326 %idxprom12 = sext i32 %add7 to i64
327 %arrayidx13 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom12
328 %2 = load double, double* %arrayidx13, align 8
329 %arrayidx17 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom12
330 %3 = load double, double* %arrayidx17, align 8
331 %add18 = fadd double %2, %3
332 store double %add18, double* %arrayidx13, align 8
336 ; Similar to foo_2double_non_power_of_2 but with zext's instead of sext's
337 ; Function Attrs: nounwind ssp uwtable
338 define void @foo_2double_non_power_of_2_zext(i32 %u) #0 {
339 ; CHECK-LABEL: @foo_2double_non_power_of_2_zext(
341 ; CHECK-NEXT: [[U_ADDR:%.*]] = alloca i32, align 4
342 ; CHECK-NEXT: store i32 [[U:%.*]], i32* [[U_ADDR]], align 4
343 ; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[U]], 6
344 ; CHECK-NEXT: [[ADD6:%.*]] = add i32 [[MUL]], 6
345 ; CHECK-NEXT: [[IDXPROM:%.*]] = zext i32 [[ADD6]] to i64
346 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 [[IDXPROM]]
347 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 [[IDXPROM]]
348 ; CHECK-NEXT: [[ADD7:%.*]] = add i32 [[MUL]], 7
349 ; CHECK-NEXT: [[IDXPROM12:%.*]] = zext i32 [[ADD7]] to i64
350 ; CHECK-NEXT: [[ARRAYIDX13:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 [[IDXPROM12]]
351 ; CHECK-NEXT: [[TMP0:%.*]] = bitcast double* [[ARRAYIDX]] to <2 x double>*
352 ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x double>, <2 x double>* [[TMP0]], align 8
353 ; CHECK-NEXT: [[ARRAYIDX17:%.*]] = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 [[IDXPROM12]]
354 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[ARRAYIDX4]] to <2 x double>*
355 ; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, <2 x double>* [[TMP2]], align 8
356 ; CHECK-NEXT: [[TMP4:%.*]] = fadd <2 x double> [[TMP1]], [[TMP3]]
357 ; CHECK-NEXT: [[TMP5:%.*]] = bitcast double* [[ARRAYIDX]] to <2 x double>*
358 ; CHECK-NEXT: store <2 x double> [[TMP4]], <2 x double>* [[TMP5]], align 8
359 ; CHECK-NEXT: ret void
362 %u.addr = alloca i32, align 4
363 store i32 %u, i32* %u.addr, align 4
365 %add6 = add i32 %mul, 6
366 %idxprom = zext i32 %add6 to i64
367 %arrayidx = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom
368 %0 = load double, double* %arrayidx, align 8
369 %arrayidx4 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom
370 %1 = load double, double* %arrayidx4, align 8
371 %add5 = fadd double %0, %1
372 store double %add5, double* %arrayidx, align 8
373 %add7 = add i32 %mul, 7
374 %idxprom12 = zext i32 %add7 to i64
375 %arrayidx13 = getelementptr inbounds [2000 x double], [2000 x double]* @A, i32 0, i64 %idxprom12
376 %2 = load double, double* %arrayidx13, align 8
377 %arrayidx17 = getelementptr inbounds [2000 x double], [2000 x double]* @B, i32 0, i64 %idxprom12
378 %3 = load double, double* %arrayidx17, align 8
379 %add18 = fadd double %2, %3
380 store double %add18, double* %arrayidx13, align 8
384 ; Similar to foo_2double_non_power_of_2, but now we are dealing with AddRec SCEV.
385 ; Alternatively, this is like foo_loop, but with a non-power-of-2 factor and
386 ; potential wrapping (both indices wrap or both don't in the same time)
387 ; Function Attrs: nounwind ssp uwtable
388 define i32 @foo_loop_non_power_of_2(double* %A, i32 %n) #0 {
389 ; CHECK-LABEL: @foo_loop_non_power_of_2(
391 ; CHECK-NEXT: [[A_ADDR:%.*]] = alloca double*, align 8
392 ; CHECK-NEXT: [[N_ADDR:%.*]] = alloca i32, align 4
393 ; CHECK-NEXT: [[SUM:%.*]] = alloca double, align 8
394 ; CHECK-NEXT: [[I:%.*]] = alloca i32, align 4
395 ; CHECK-NEXT: store double* [[A:%.*]], double** [[A_ADDR]], align 8
396 ; CHECK-NEXT: store i32 [[N:%.*]], i32* [[N_ADDR]], align 4
397 ; CHECK-NEXT: store double 0.000000e+00, double* [[SUM]], align 8
398 ; CHECK-NEXT: store i32 0, i32* [[I]], align 4
399 ; CHECK-NEXT: [[CMP1:%.*]] = icmp slt i32 0, [[N]]
400 ; CHECK-NEXT: br i1 [[CMP1]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
401 ; CHECK: for.body.lr.ph:
402 ; CHECK-NEXT: br label [[FOR_BODY:%.*]]
404 ; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ 0, [[FOR_BODY_LR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
405 ; CHECK-NEXT: [[TMP1:%.*]] = phi double [ 0.000000e+00, [[FOR_BODY_LR_PH]] ], [ [[ADD7:%.*]], [[FOR_BODY]] ]
406 ; CHECK-NEXT: [[MUL:%.*]] = mul i32 [[TMP0]], 12
407 ; CHECK-NEXT: [[ADD_5:%.*]] = add i32 [[MUL]], 5
408 ; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[ADD_5]] to i64
409 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, double* [[A]], i64 [[IDXPROM]]
410 ; CHECK-NEXT: [[ADD_6:%.*]] = add i32 [[MUL]], 6
411 ; CHECK-NEXT: [[IDXPROM3:%.*]] = sext i32 [[ADD_6]] to i64
412 ; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds double, double* [[A]], i64 [[IDXPROM3]]
413 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast double* [[ARRAYIDX]] to <2 x double>*
414 ; CHECK-NEXT: [[TMP3:%.*]] = load <2 x double>, <2 x double>* [[TMP2]], align 8
415 ; CHECK-NEXT: [[TMP4:%.*]] = fmul <2 x double> <double 7.000000e+00, double 7.000000e+00>, [[TMP3]]
416 ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x double> [[TMP4]], i32 0
417 ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[TMP4]], i32 1
418 ; CHECK-NEXT: [[ADD6:%.*]] = fadd double [[TMP5]], [[TMP6]]
419 ; CHECK-NEXT: [[ADD7]] = fadd double [[TMP1]], [[ADD6]]
420 ; CHECK-NEXT: store double [[ADD7]], double* [[SUM]], align 8
421 ; CHECK-NEXT: [[INC]] = add i32 [[TMP0]], 1
422 ; CHECK-NEXT: store i32 [[INC]], i32* [[I]], align 4
423 ; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[INC]], [[N]]
424 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_FOR_END_CRIT_EDGE:%.*]]
425 ; CHECK: for.cond.for.end_crit_edge:
426 ; CHECK-NEXT: [[SPLIT:%.*]] = phi double [ [[ADD7]], [[FOR_BODY]] ]
427 ; CHECK-NEXT: br label [[FOR_END]]
429 ; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi double [ [[SPLIT]], [[FOR_COND_FOR_END_CRIT_EDGE]] ], [ 0.000000e+00, [[ENTRY:%.*]] ]
430 ; CHECK-NEXT: [[CONV:%.*]] = fptosi double [[DOTLCSSA]] to i32
431 ; CHECK-NEXT: ret i32 [[CONV]]
434 %A.addr = alloca double*, align 8
435 %n.addr = alloca i32, align 4
436 %sum = alloca double, align 8
437 %i = alloca i32, align 4
438 store double* %A, double** %A.addr, align 8
439 store i32 %n, i32* %n.addr, align 4
440 store double 0.000000e+00, double* %sum, align 8
441 store i32 0, i32* %i, align 4
442 %cmp1 = icmp slt i32 0, %n
443 br i1 %cmp1, label %for.body.lr.ph, label %for.end
445 for.body.lr.ph: ; preds = %entry
448 for.body: ; preds = %for.body.lr.ph, %for.body
449 %0 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
450 %1 = phi double [ 0.000000e+00, %for.body.lr.ph ], [ %add7, %for.body ]
451 %mul = mul i32 %0, 12
452 %add.5 = add i32 %mul, 5
453 %idxprom = sext i32 %add.5 to i64
454 %arrayidx = getelementptr inbounds double, double* %A, i64 %idxprom
455 %2 = load double, double* %arrayidx, align 8
456 %mul1 = fmul double 7.000000e+00, %2
457 %add.6 = add i32 %mul, 6
458 %idxprom3 = sext i32 %add.6 to i64
459 %arrayidx4 = getelementptr inbounds double, double* %A, i64 %idxprom3
460 %3 = load double, double* %arrayidx4, align 8
461 %mul5 = fmul double 7.000000e+00, %3
462 %add6 = fadd double %mul1, %mul5
463 %add7 = fadd double %1, %add6
464 store double %add7, double* %sum, align 8
466 store i32 %inc, i32* %i, align 4
467 %cmp = icmp slt i32 %inc, %n
468 br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge
470 for.cond.for.end_crit_edge: ; preds = %for.body
471 %split = phi double [ %add7, %for.body ]
474 for.end: ; preds = %for.cond.for.end_crit_edge, %entry
475 %.lcssa = phi double [ %split, %for.cond.for.end_crit_edge ], [ 0.000000e+00, %entry ]
476 %conv = fptosi double %.lcssa to i32
480 ; This is generated by `clang -std=c11 -Wpedantic -Wall -O3 main.c -S -o - -emit-llvm`
481 ; with !{!"clang version 7.0.0 (trunk 337339) (llvm/trunk 337344)"} and stripping off
482 ; the !tbaa metadata nodes to fit the rest of the test file, where `cat main.c` is:
484 ; double bar(double *a, unsigned n) {
487 ; for (unsigned i = 0; i < n; i += 2) {
494 ; The resulting IR is similar to @foo_loop, but with zext's instead of sext's.
496 ; Make sure we are able to vectorize this from now on:
498 define double @bar(double* nocapture readonly %a, i32 %n) local_unnamed_addr #0 {
501 ; CHECK-NEXT: [[CMP15:%.*]] = icmp eq i32 [[N:%.*]], 0
502 ; CHECK-NEXT: br i1 [[CMP15]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY:%.*]]
503 ; CHECK: for.cond.cleanup:
504 ; CHECK-NEXT: [[TMP0:%.*]] = phi <2 x double> [ zeroinitializer, [[ENTRY:%.*]] ], [ [[TMP6:%.*]], [[FOR_BODY]] ]
505 ; CHECK-NEXT: [[TMP1:%.*]] = extractelement <2 x double> [[TMP0]], i32 0
506 ; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x double> [[TMP0]], i32 1
507 ; CHECK-NEXT: [[MUL:%.*]] = fmul double [[TMP1]], [[TMP2]]
508 ; CHECK-NEXT: ret double [[MUL]]
510 ; CHECK-NEXT: [[I_018:%.*]] = phi i32 [ [[ADD5:%.*]], [[FOR_BODY]] ], [ 0, [[ENTRY]] ]
511 ; CHECK-NEXT: [[TMP3:%.*]] = phi <2 x double> [ [[TMP6]], [[FOR_BODY]] ], [ zeroinitializer, [[ENTRY]] ]
512 ; CHECK-NEXT: [[IDXPROM:%.*]] = zext i32 [[I_018]] to i64
513 ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, double* [[A:%.*]], i64 [[IDXPROM]]
514 ; CHECK-NEXT: [[ADD1:%.*]] = or i32 [[I_018]], 1
515 ; CHECK-NEXT: [[IDXPROM2:%.*]] = zext i32 [[ADD1]] to i64
516 ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds double, double* [[A]], i64 [[IDXPROM2]]
517 ; CHECK-NEXT: [[TMP4:%.*]] = bitcast double* [[ARRAYIDX]] to <2 x double>*
518 ; CHECK-NEXT: [[TMP5:%.*]] = load <2 x double>, <2 x double>* [[TMP4]], align 8
519 ; CHECK-NEXT: [[TMP6]] = fadd <2 x double> [[TMP3]], [[TMP5]]
520 ; CHECK-NEXT: [[ADD5]] = add i32 [[I_018]], 2
521 ; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[ADD5]], [[N]]
522 ; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_CLEANUP]]
525 %cmp15 = icmp eq i32 %n, 0
526 br i1 %cmp15, label %for.cond.cleanup, label %for.body
528 for.cond.cleanup: ; preds = %for.body, %entry
529 %x.0.lcssa = phi double [ 0.000000e+00, %entry ], [ %add, %for.body ]
530 %y.0.lcssa = phi double [ 0.000000e+00, %entry ], [ %add4, %for.body ]
531 %mul = fmul double %x.0.lcssa, %y.0.lcssa
534 for.body: ; preds = %entry, %for.body
535 %i.018 = phi i32 [ %add5, %for.body ], [ 0, %entry ]
536 %y.017 = phi double [ %add4, %for.body ], [ 0.000000e+00, %entry ]
537 %x.016 = phi double [ %add, %for.body ], [ 0.000000e+00, %entry ]
538 %idxprom = zext i32 %i.018 to i64
539 %arrayidx = getelementptr inbounds double, double* %a, i64 %idxprom
540 %0 = load double, double* %arrayidx, align 8
541 %add = fadd double %x.016, %0
542 %add1 = or i32 %i.018, 1
543 %idxprom2 = zext i32 %add1 to i64
544 %arrayidx3 = getelementptr inbounds double, double* %a, i64 %idxprom2
545 %1 = load double, double* %arrayidx3, align 8
546 %add4 = fadd double %y.017, %1
547 %add5 = add i32 %i.018, 2
548 %cmp = icmp ult i32 %add5, %n
549 br i1 %cmp, label %for.body, label %for.cond.cleanup
552 attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
556 !0 = !{!"clang version 3.5.0 "}