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Merging r247083: ------------------------------------------------------------------------ r247083 | echristo | 2015-09-08 18:14:58 -0400 (Tue, 08 Sep 2015) | 3 lines Fix the PPC CTR Loop pass to look for calls to the intrinsics that read CTR and count them as reading the CTR. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_37@252511 91177308-0d34-0410-b5e6-96231b3b80d8 Tom Stellard 3 years ago
2 changed file(s) with 355 addition(s) and 0 deletion(s). Raw diff Collapse all Expand all
238238 if (F->getIntrinsicID() != Intrinsic::not_intrinsic) {
239239 switch (F->getIntrinsicID()) {
240240 default: continue;
241 // If we have a call to ppc_is_decremented_ctr_nonzero, or ppc_mtctr
242 // we're definitely using CTR.
243 case Intrinsic::ppc_is_decremented_ctr_nonzero:
244 case Intrinsic::ppc_mtctr:
245 return true;
241246
242247 // VisualStudio defines setjmp as _setjmp
243248 #if defined(_MSC_VER) && defined(setjmp) && \
425430 // Process nested loops first.
426431 for (Loop::iterator I = L->begin(), E = L->end(); I != E; ++I) {
427432 MadeChange |= convertToCTRLoop(*I);
433 DEBUG(dbgs() << "Nested loop converted\n");
428434 }
429435
430436 // If a nested loop has been converted, then we can't convert this loop.
0 ; RUN: llc < %s
1 ; ModuleID = 'new.bc'
2 target datalayout = "e-m:e-i64:64-n32:64"
3 target triple = "powerpc64le--linux-gnu"
4
5 @.str.87 = external hidden unnamed_addr constant [5 x i8], align 1
6 @.str.1.88 = external hidden unnamed_addr constant [4 x i8], align 1
7 @.str.2.89 = external hidden unnamed_addr constant [5 x i8], align 1
8 @.str.3.90 = external hidden unnamed_addr constant [4 x i8], align 1
9 @.str.4.91 = external hidden unnamed_addr constant [14 x i8], align 1
10 @.str.5.92 = external hidden unnamed_addr constant [13 x i8], align 1
11 @.str.6.93 = external hidden unnamed_addr constant [10 x i8], align 1
12 @.str.7.94 = external hidden unnamed_addr constant [9 x i8], align 1
13 @.str.8.95 = external hidden unnamed_addr constant [2 x i8], align 1
14 @.str.9.96 = external hidden unnamed_addr constant [2 x i8], align 1
15 @.str.10.97 = external hidden unnamed_addr constant [3 x i8], align 1
16 @.str.11.98 = external hidden unnamed_addr constant [3 x i8], align 1
17
18 ; Function Attrs: nounwind
19 declare void @llvm.lifetime.start(i64, i8* nocapture) #0
20
21 ; Function Attrs: nounwind
22 declare void @llvm.lifetime.end(i64, i8* nocapture) #0
23
24 ; Function Attrs: nounwind
25 declare i8* @halide_string_to_string(i8*, i8*, i8*) #1
26
27 ; Function Attrs: nounwind
28 declare i8* @halide_int64_to_string(i8*, i8*, i64, i32) #1
29
30 ; Function Attrs: nounwind
31 define weak i8* @halide_double_to_string(i8* %dst, i8* %end, double %arg, i32 %scientific) #1 {
32 entry:
33 %arg.addr = alloca double, align 8
34 %bits = alloca i64, align 8
35 %buf = alloca [512 x i8], align 1
36 store double %arg, double* %arg.addr, align 8, !tbaa !4
37 %0 = bitcast i64* %bits to i8*
38 call void @llvm.lifetime.start(i64 8, i8* %0) #0
39 store i64 0, i64* %bits, align 8, !tbaa !8
40 %1 = bitcast double* %arg.addr to i8*
41 %call = call i8* @memcpy(i8* %0, i8* %1, i64 8) #2
42 %2 = load i64, i64* %bits, align 8, !tbaa !8
43 %and = and i64 %2, 4503599627370495
44 %shr = lshr i64 %2, 52
45 %shr.tr = trunc i64 %shr to i32
46 %conv = and i32 %shr.tr, 2047
47 %shr2 = lshr i64 %2, 63
48 %conv3 = trunc i64 %shr2 to i32
49 %cmp = icmp eq i32 %conv, 2047
50 br i1 %cmp, label %if.then, label %if.else.15
51
52 if.then: ; preds = %entry
53 %tobool = icmp eq i64 %and, 0
54 %tobool5 = icmp ne i32 %conv3, 0
55 br i1 %tobool, label %if.else.9, label %if.then.4
56
57 if.then.4: ; preds = %if.then
58 br i1 %tobool5, label %if.then.6, label %if.else
59
60 if.then.6: ; preds = %if.then.4
61 %call7 = call i8* @halide_string_to_string(i8* %dst, i8* %end, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.87, i64 0, i64 0)) #3
62 br label %cleanup.148
63
64 if.else: ; preds = %if.then.4
65 %call8 = call i8* @halide_string_to_string(i8* %dst, i8* %end, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.1.88, i64 0, i64 0)) #3
66 br label %cleanup.148
67
68 if.else.9: ; preds = %if.then
69 br i1 %tobool5, label %if.then.11, label %if.else.13
70
71 if.then.11: ; preds = %if.else.9
72 %call12 = call i8* @halide_string_to_string(i8* %dst, i8* %end, i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.2.89, i64 0, i64 0)) #3
73 br label %cleanup.148
74
75 if.else.13: ; preds = %if.else.9
76 %call14 = call i8* @halide_string_to_string(i8* %dst, i8* %end, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str.3.90, i64 0, i64 0)) #3
77 br label %cleanup.148
78
79 if.else.15: ; preds = %entry
80 %cmp16 = icmp eq i32 %conv, 0
81 %cmp17 = icmp eq i64 %and, 0
82 %or.cond = and i1 %cmp17, %cmp16
83 br i1 %or.cond, label %if.then.18, label %if.end.32
84
85 if.then.18: ; preds = %if.else.15
86 %tobool19 = icmp eq i32 %scientific, 0
87 %tobool21 = icmp ne i32 %conv3, 0
88 br i1 %tobool19, label %if.else.26, label %if.then.20
89
90 if.then.20: ; preds = %if.then.18
91 br i1 %tobool21, label %if.then.22, label %if.else.24
92
93 if.then.22: ; preds = %if.then.20
94 %call23 = call i8* @halide_string_to_string(i8* %dst, i8* %end, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str.4.91, i64 0, i64 0)) #3
95 br label %cleanup.148
96
97 if.else.24: ; preds = %if.then.20
98 %call25 = call i8* @halide_string_to_string(i8* %dst, i8* %end, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str.5.92, i64 0, i64 0)) #3
99 br label %cleanup.148
100
101 if.else.26: ; preds = %if.then.18
102 br i1 %tobool21, label %if.then.28, label %if.else.30
103
104 if.then.28: ; preds = %if.else.26
105 %call29 = call i8* @halide_string_to_string(i8* %dst, i8* %end, i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.6.93, i64 0, i64 0)) #3
106 br label %cleanup.148
107
108 if.else.30: ; preds = %if.else.26
109 %call31 = call i8* @halide_string_to_string(i8* %dst, i8* %end, i8* getelementptr inbounds ([9 x i8], [9 x i8]* @.str.7.94, i64 0, i64 0)) #3
110 br label %cleanup.148
111
112 if.end.32: ; preds = %if.else.15
113 %tobool33 = icmp eq i32 %conv3, 0
114 br i1 %tobool33, label %if.end.37, label %if.then.34
115
116 if.then.34: ; preds = %if.end.32
117 %call35 = call i8* @halide_string_to_string(i8* %dst, i8* %end, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.8.95, i64 0, i64 0)) #3
118 %sub36 = fsub double -0.000000e+00, %arg
119 store double %sub36, double* %arg.addr, align 8, !tbaa !4
120 br label %if.end.37
121
122 if.end.37: ; preds = %if.then.34, %if.end.32
123 %.pr = phi double [ %sub36, %if.then.34 ], [ %arg, %if.end.32 ]
124 %dst.addr.0 = phi i8* [ %call35, %if.then.34 ], [ %dst, %if.end.32 ]
125 %tobool38 = icmp eq i32 %scientific, 0
126 br i1 %tobool38, label %if.else.62, label %while.condthread-pre-split
127
128 while.condthread-pre-split: ; preds = %if.end.37
129 %cmp40.261 = fcmp olt double %.pr, 1.000000e+00
130 br i1 %cmp40.261, label %while.body, label %while.cond.41thread-pre-split
131
132 while.body: ; preds = %while.body, %while.condthread-pre-split
133 %exponent_base_10.0262 = phi i32 [ %dec, %while.body ], [ 0, %while.condthread-pre-split ]
134 %3 = phi double [ %mul, %while.body ], [ %.pr, %while.condthread-pre-split ]
135 %mul = fmul double %3, 1.000000e+01
136 %dec = add nsw i32 %exponent_base_10.0262, -1
137 %cmp40 = fcmp olt double %mul, 1.000000e+00
138 br i1 %cmp40, label %while.body, label %while.cond.while.cond.41thread-pre-split_crit_edge
139
140 while.cond.while.cond.41thread-pre-split_crit_edge: ; preds = %while.body
141 store double %mul, double* %arg.addr, align 8, !tbaa !4
142 br label %while.cond.41thread-pre-split
143
144 while.cond.41thread-pre-split: ; preds = %while.cond.while.cond.41thread-pre-split_crit_edge, %while.condthread-pre-split
145 %.pr246 = phi double [ %mul, %while.cond.while.cond.41thread-pre-split_crit_edge ], [ %.pr, %while.condthread-pre-split ]
146 %exponent_base_10.0.lcssa = phi i32 [ %dec, %while.cond.while.cond.41thread-pre-split_crit_edge ], [ 0, %while.condthread-pre-split ]
147 %cmp42.257 = fcmp ult double %.pr246, 1.000000e+01
148 br i1 %cmp42.257, label %while.end.44, label %while.body.43
149
150 while.body.43: ; preds = %while.body.43, %while.cond.41thread-pre-split
151 %exponent_base_10.1258 = phi i32 [ %inc, %while.body.43 ], [ %exponent_base_10.0.lcssa, %while.cond.41thread-pre-split ]
152 %4 = phi double [ %div, %while.body.43 ], [ %.pr246, %while.cond.41thread-pre-split ]
153 %div = fdiv double %4, 1.000000e+01
154 %inc = add nsw i32 %exponent_base_10.1258, 1
155 %cmp42 = fcmp ult double %div, 1.000000e+01
156 br i1 %cmp42, label %while.cond.41.while.end.44_crit_edge, label %while.body.43
157
158 while.cond.41.while.end.44_crit_edge: ; preds = %while.body.43
159 store double %div, double* %arg.addr, align 8, !tbaa !4
160 br label %while.end.44
161
162 while.end.44: ; preds = %while.cond.41.while.end.44_crit_edge, %while.cond.41thread-pre-split
163 %exponent_base_10.1.lcssa = phi i32 [ %inc, %while.cond.41.while.end.44_crit_edge ], [ %exponent_base_10.0.lcssa, %while.cond.41thread-pre-split ]
164 %.lcssa = phi double [ %div, %while.cond.41.while.end.44_crit_edge ], [ %.pr246, %while.cond.41thread-pre-split ]
165 %mul45 = fmul double %.lcssa, 1.000000e+06
166 %add = fadd double %mul45, 5.000000e-01
167 %conv46 = fptoui double %add to i64
168 %div47 = udiv i64 %conv46, 1000000
169 %5 = mul i64 %div47, -1000000
170 %sub49 = add i64 %conv46, %5
171 %call50 = call i8* @halide_int64_to_string(i8* %dst.addr.0, i8* %end, i64 %div47, i32 1) #3
172 %call51 = call i8* @halide_string_to_string(i8* %call50, i8* %end, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.9.96, i64 0, i64 0)) #3
173 %call52 = call i8* @halide_int64_to_string(i8* %call51, i8* %end, i64 %sub49, i32 6) #3
174 %cmp53 = icmp sgt i32 %exponent_base_10.1.lcssa, -1
175 br i1 %cmp53, label %if.then.54, label %if.else.56
176
177 if.then.54: ; preds = %while.end.44
178 %call55 = call i8* @halide_string_to_string(i8* %call52, i8* %end, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.10.97, i64 0, i64 0)) #3
179 br label %if.end.59
180
181 if.else.56: ; preds = %while.end.44
182 %call57 = call i8* @halide_string_to_string(i8* %call52, i8* %end, i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str.11.98, i64 0, i64 0)) #3
183 %sub58 = sub nsw i32 0, %exponent_base_10.1.lcssa
184 br label %if.end.59
185
186 if.end.59: ; preds = %if.else.56, %if.then.54
187 %exponent_base_10.2 = phi i32 [ %exponent_base_10.1.lcssa, %if.then.54 ], [ %sub58, %if.else.56 ]
188 %dst.addr.1 = phi i8* [ %call55, %if.then.54 ], [ %call57, %if.else.56 ]
189 %conv60 = sext i32 %exponent_base_10.2 to i64
190 %call61 = call i8* @halide_int64_to_string(i8* %dst.addr.1, i8* %end, i64 %conv60, i32 2) #3
191 br label %cleanup.148
192
193 if.else.62: ; preds = %if.end.37
194 br i1 %cmp16, label %if.then.64, label %if.end.66
195
196 if.then.64: ; preds = %if.else.62
197 %call65 = call i8* @halide_double_to_string(i8* %dst.addr.0, i8* %end, double 0.000000e+00, i32 0) #3
198 br label %cleanup.148
199
200 if.end.66: ; preds = %if.else.62
201 %add68 = or i64 %and, 4503599627370496
202 %sub70 = add nsw i32 %conv, -1075
203 %cmp71 = icmp ult i32 %conv, 1075
204 br i1 %cmp71, label %if.then.72, label %if.end.105
205
206 if.then.72: ; preds = %if.end.66
207 %cmp73 = icmp slt i32 %sub70, -52
208 br i1 %cmp73, label %if.end.84, label %if.else.76
209
210 if.else.76: ; preds = %if.then.72
211 %sub77 = sub nsw i32 1075, %conv
212 %sh_prom = zext i32 %sub77 to i64
213 %shr78 = lshr i64 %add68, %sh_prom
214 %shl81 = shl i64 %shr78, %sh_prom
215 %sub82 = sub i64 %add68, %shl81
216 br label %if.end.84
217
218 if.end.84: ; preds = %if.else.76, %if.then.72
219 %integer_part.0 = phi i64 [ %shr78, %if.else.76 ], [ 0, %if.then.72 ]
220 %f.0.in = phi i64 [ %sub82, %if.else.76 ], [ %add68, %if.then.72 ]
221 %f.0 = uitofp i64 %f.0.in to double
222 %conv85.244 = zext i32 %sub70 to i64
223 %shl86 = shl i64 %conv85.244, 52
224 %add88 = add i64 %shl86, 4696837146684686336
225 %6 = bitcast i64 %add88 to double
226 %mul90 = fmul double %6, %f.0
227 %add91 = fadd double %mul90, 5.000000e-01
228 %conv92 = fptoui double %add91 to i64
229 %conv93 = uitofp i64 %conv92 to double
230 %and96 = and i64 %conv92, 1
231 %notlhs = fcmp oeq double %conv93, %add91
232 %notrhs = icmp ne i64 %and96, 0
233 %not.or.cond245 = and i1 %notrhs, %notlhs
234 %dec99 = sext i1 %not.or.cond245 to i64
235 %fractional_part.0 = add i64 %dec99, %conv92
236 %cmp101 = icmp eq i64 %fractional_part.0, 1000000
237 %inc103 = zext i1 %cmp101 to i64
238 %inc103.integer_part.0 = add i64 %inc103, %integer_part.0
239 %.fractional_part.0 = select i1 %cmp101, i64 0, i64 %fractional_part.0
240 br label %if.end.105
241
242 if.end.105: ; preds = %if.end.84, %if.end.66
243 %integer_part.2 = phi i64 [ %inc103.integer_part.0, %if.end.84 ], [ %add68, %if.end.66 ]
244 %integer_exponent.0 = phi i32 [ 0, %if.end.84 ], [ %sub70, %if.end.66 ]
245 %fractional_part.2 = phi i64 [ %.fractional_part.0, %if.end.84 ], [ 0, %if.end.66 ]
246 %7 = bitcast [512 x i8]* %buf to i8*
247 call void @llvm.lifetime.start(i64 512, i8* %7) #0
248 %add.ptr = getelementptr inbounds [512 x i8], [512 x i8]* %buf, i64 0, i64 512
249 %add.ptr106 = getelementptr inbounds [512 x i8], [512 x i8]* %buf, i64 0, i64 480
250 %call109 = call i8* @halide_int64_to_string(i8* %add.ptr106, i8* %add.ptr, i64 %integer_part.2, i32 1) #3
251 %cmp110.252 = icmp sgt i32 %integer_exponent.0, 0
252 br i1 %cmp110.252, label %for.cond.112.preheader, label %for.cond.cleanup
253
254 for.cond.112.preheader: ; preds = %if.end.138, %if.end.105
255 %i.0255 = phi i32 [ %inc140, %if.end.138 ], [ 0, %if.end.105 ]
256 %int_part_ptr.0253 = phi i8* [ %int_part_ptr.1, %if.end.138 ], [ %add.ptr106, %if.end.105 ]
257 %int_part_ptr.02534 = ptrtoint i8* %int_part_ptr.0253 to i64
258 %cmp114.249 = icmp eq i8* %call109, %int_part_ptr.0253
259 br i1 %cmp114.249, label %if.end.138, label %for.body.116.preheader
260
261 for.body.116.preheader: ; preds = %for.cond.112.preheader
262 %8 = sub i64 0, %int_part_ptr.02534
263 %scevgep5 = getelementptr i8, i8* %call109, i64 %8
264 %scevgep56 = ptrtoint i8* %scevgep5 to i64
265 call void @llvm.ppc.mtctr.i64(i64 %scevgep56)
266 br label %for.body.116
267
268 for.cond.cleanup: ; preds = %if.end.138, %if.end.105
269 %int_part_ptr.0.lcssa = phi i8* [ %add.ptr106, %if.end.105 ], [ %int_part_ptr.1, %if.end.138 ]
270 %9 = bitcast [512 x i8]* %buf to i8*
271 %call142 = call i8* @halide_string_to_string(i8* %dst.addr.0, i8* %end, i8* %int_part_ptr.0.lcssa) #3
272 %call143 = call i8* @halide_string_to_string(i8* %call142, i8* %end, i8* getelementptr inbounds ([2 x i8], [2 x i8]* @.str.9.96, i64 0, i64 0)) #3
273 %call144 = call i8* @halide_int64_to_string(i8* %call143, i8* %end, i64 %fractional_part.2, i32 6) #3
274 call void @llvm.lifetime.end(i64 512, i8* %9) #0
275 br label %cleanup.148
276
277 for.cond.cleanup.115: ; preds = %for.body.116
278 br i1 %cmp125, label %if.then.136, label %if.end.138
279
280 for.body.116: ; preds = %for.body.116, %for.body.116.preheader
281 %call109.pn = phi i8* [ %p.0251, %for.body.116 ], [ %call109, %for.body.116.preheader ]
282 %carry.0250 = phi i32 [ %carry.1, %for.body.116 ], [ 0, %for.body.116.preheader ]
283 %call109.pn2 = ptrtoint i8* %call109.pn to i64
284 %p.0251 = getelementptr inbounds i8, i8* %call109.pn, i64 -1
285 %scevgep3 = getelementptr i8, i8* inttoptr (i64 -1 to i8*), i64 %call109.pn2
286 %10 = load i8, i8* %scevgep3, align 1, !tbaa !10
287 %sub118 = add i8 %10, -48
288 %conv120 = sext i8 %sub118 to i32
289 %mul121 = shl nsw i32 %conv120, 1
290 %add122 = or i32 %mul121, %carry.0250
291 %11 = trunc i32 %add122 to i8
292 %cmp125 = icmp sgt i8 %11, 9
293 %sub128 = add nsw i32 %add122, 246
294 %carry.1 = zext i1 %cmp125 to i32
295 %new_digit.0.in = select i1 %cmp125, i32 %sub128, i32 %add122
296 %add133 = add nsw i32 %new_digit.0.in, 48
297 %conv134 = trunc i32 %add133 to i8
298 %scevgep = getelementptr i8, i8* inttoptr (i64 -1 to i8*), i64 %call109.pn2
299 store i8 %conv134, i8* %scevgep, align 1, !tbaa !10
300 %12 = call i1 @llvm.ppc.is.decremented.ctr.nonzero()
301 br i1 %12, label %for.body.116, label %for.cond.cleanup.115
302
303 if.then.136: ; preds = %for.cond.cleanup.115
304 %incdec.ptr137 = getelementptr inbounds i8, i8* %int_part_ptr.0253, i64 -1
305 store i8 49, i8* %incdec.ptr137, align 1, !tbaa !10
306 br label %if.end.138
307
308 if.end.138: ; preds = %if.then.136, %for.cond.cleanup.115, %for.cond.112.preheader
309 %int_part_ptr.1 = phi i8* [ %incdec.ptr137, %if.then.136 ], [ %call109, %for.cond.112.preheader ], [ %int_part_ptr.0253, %for.cond.cleanup.115 ]
310 %inc140 = add nuw nsw i32 %i.0255, 1
311 %exitcond = icmp eq i32 %inc140, %integer_exponent.0
312 br i1 %exitcond, label %for.cond.cleanup, label %for.cond.112.preheader
313
314 cleanup.148: ; preds = %for.cond.cleanup, %if.then.64, %if.end.59, %if.else.30, %if.then.28, %if.else.24, %if.then.22, %if.else.13, %if.then.11, %if.else, %if.then.6
315 %retval.1 = phi i8* [ %call7, %if.then.6 ], [ %call8, %if.else ], [ %call12, %if.then.11 ], [ %call14, %if.else.13 ], [ %call23, %if.then.22 ], [ %call25, %if.else.24 ], [ %call29, %if.then.28 ], [ %call31, %if.else.30 ], [ %call65, %if.then.64 ], [ %call61, %if.end.59 ], [ %call144, %for.cond.cleanup ]
316 %13 = bitcast i64* %bits to i8*
317 call void @llvm.lifetime.end(i64 8, i8* %13) #0
318 ret i8* %retval.1
319 }
320
321 ; Function Attrs: nounwind
322 declare i8* @memcpy(i8*, i8* nocapture readonly, i64) #1
323
324 ; Function Attrs: nounwind
325 declare void @llvm.ppc.mtctr.i64(i64) #0
326
327 ; Function Attrs: nounwind
328 declare i1 @llvm.ppc.is.decremented.ctr.nonzero() #0
329
330 attributes #0 = { nounwind }
331 attributes #1 = { nounwind "disable-tail-calls"="false" "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" }
332 attributes #2 = { nounwind }
333 attributes #3 = { nounwind }
334
335 !llvm.ident = !{!0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0}
336 !llvm.module.flags = !{!1, !2, !3}
337
338 !0 = !{!"clang version 3.7.0 (branches/release_37 246867) (llvm/branches/release_37 246866)"}
339 !1 = !{i32 2, !"halide_use_soft_float_abi", i32 0}
340 !2 = !{i32 2, !"halide_mcpu", !"pwr8"}
341 !3 = !{i32 2, !"halide_mattrs", !"+altivec,+vsx,+power8-altivec,+direct-move"}
342 !4 = !{!5, !5, i64 0}
343 !5 = !{!"double", !6, i64 0}
344 !6 = !{!"omnipotent char", !7, i64 0}
345 !7 = !{!"Simple C/C++ TBAA"}
346 !8 = !{!9, !9, i64 0}
347 !9 = !{!"long long", !6, i64 0}
348 !10 = !{!6, !6, i64 0}