1; RUN: llc -verify-machineinstrs < %s
2; ModuleID = 'new.bc'
3target datalayout = "e-m:e-i64:64-n32:64"
4target triple = "powerpc64le--linux-gnu"
5
6@.str.87 = external hidden unnamed_addr constant [5 x i8], align 1
7@.str.1.88 = external hidden unnamed_addr constant [4 x i8], align 1
8@.str.2.89 = external hidden unnamed_addr constant [5 x i8], align 1
9@.str.3.90 = external hidden unnamed_addr constant [4 x i8], align 1
10@.str.4.91 = external hidden unnamed_addr constant [14 x i8], align 1
11@.str.5.92 = external hidden unnamed_addr constant [13 x i8], align 1
12@.str.6.93 = external hidden unnamed_addr constant [10 x i8], align 1
13@.str.7.94 = external hidden unnamed_addr constant [9 x i8], align 1
14@.str.8.95 = external hidden unnamed_addr constant [2 x i8], align 1
15@.str.9.96 = external hidden unnamed_addr constant [2 x i8], align 1
16@.str.10.97 = external hidden unnamed_addr constant [3 x i8], align 1
17@.str.11.98 = external hidden unnamed_addr constant [3 x i8], align 1
18
19; Function Attrs: nounwind
20declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #0
21
22; Function Attrs: nounwind
23declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #0
24
25; Function Attrs: nounwind
26declare i8* @halide_string_to_string(i8*, i8*, i8*) #1
27
28; Function Attrs: nounwind
29declare i8* @halide_int64_to_string(i8*, i8*, i64, i32) #1
30
31; Function Attrs: nounwind
32define weak i8* @halide_double_to_string(i8* %dst, i8* %end, double %arg, i32 %scientific) #1 {
33entry:
34  %arg.addr = alloca double, align 8
35  %bits = alloca i64, align 8
36  %buf = alloca [512 x i8], align 1
37  store double %arg, double* %arg.addr, align 8, !tbaa !4
38  %0 = bitcast i64* %bits to i8*
39  call void @llvm.lifetime.start.p0i8(i64 8, i8* %0) #0
40  store i64 0, i64* %bits, align 8, !tbaa !8
41  %1 = bitcast double* %arg.addr to i8*
42  %call = call i8* @memcpy(i8* %0, i8* %1, i64 8) #2
43  %2 = load i64, i64* %bits, align 8, !tbaa !8
44  %and = and i64 %2, 4503599627370495
45  %shr = lshr i64 %2, 52
46  %shr.tr = trunc i64 %shr to i32
47  %conv = and i32 %shr.tr, 2047
48  %shr2 = lshr i64 %2, 63
49  %conv3 = trunc i64 %shr2 to i32
50  %cmp = icmp eq i32 %conv, 2047
51  br i1 %cmp, label %if.then, label %if.else.15
52
53if.then:                                          ; preds = %entry
54  %tobool = icmp eq i64 %and, 0
55  %tobool5 = icmp ne i32 %conv3, 0
56  br i1 %tobool, label %if.else.9, label %if.then.4
57
58if.then.4:                                        ; preds = %if.then
59  br i1 %tobool5, label %if.then.6, label %if.else
60
61if.then.6:                                        ; preds = %if.then.4
62  %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
63  br label %cleanup.148
64
65if.else:                                          ; preds = %if.then.4
66  %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
67  br label %cleanup.148
68
69if.else.9:                                        ; preds = %if.then
70  br i1 %tobool5, label %if.then.11, label %if.else.13
71
72if.then.11:                                       ; preds = %if.else.9
73  %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
74  br label %cleanup.148
75
76if.else.13:                                       ; preds = %if.else.9
77  %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
78  br label %cleanup.148
79
80if.else.15:                                       ; preds = %entry
81  %cmp16 = icmp eq i32 %conv, 0
82  %cmp17 = icmp eq i64 %and, 0
83  %or.cond = and i1 %cmp17, %cmp16
84  br i1 %or.cond, label %if.then.18, label %if.end.32
85
86if.then.18:                                       ; preds = %if.else.15
87  %tobool19 = icmp eq i32 %scientific, 0
88  %tobool21 = icmp ne i32 %conv3, 0
89  br i1 %tobool19, label %if.else.26, label %if.then.20
90
91if.then.20:                                       ; preds = %if.then.18
92  br i1 %tobool21, label %if.then.22, label %if.else.24
93
94if.then.22:                                       ; preds = %if.then.20
95  %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
96  br label %cleanup.148
97
98if.else.24:                                       ; preds = %if.then.20
99  %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
100  br label %cleanup.148
101
102if.else.26:                                       ; preds = %if.then.18
103  br i1 %tobool21, label %if.then.28, label %if.else.30
104
105if.then.28:                                       ; preds = %if.else.26
106  %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
107  br label %cleanup.148
108
109if.else.30:                                       ; preds = %if.else.26
110  %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
111  br label %cleanup.148
112
113if.end.32:                                        ; preds = %if.else.15
114  %tobool33 = icmp eq i32 %conv3, 0
115  br i1 %tobool33, label %if.end.37, label %if.then.34
116
117if.then.34:                                       ; preds = %if.end.32
118  %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
119  %sub36 = fsub double -0.000000e+00, %arg
120  store double %sub36, double* %arg.addr, align 8, !tbaa !4
121  br label %if.end.37
122
123if.end.37:                                        ; preds = %if.then.34, %if.end.32
124  %.pr = phi double [ %sub36, %if.then.34 ], [ %arg, %if.end.32 ]
125  %dst.addr.0 = phi i8* [ %call35, %if.then.34 ], [ %dst, %if.end.32 ]
126  %tobool38 = icmp eq i32 %scientific, 0
127  br i1 %tobool38, label %if.else.62, label %while.condthread-pre-split
128
129while.condthread-pre-split:                       ; preds = %if.end.37
130  %cmp40.261 = fcmp olt double %.pr, 1.000000e+00
131  br i1 %cmp40.261, label %while.body, label %while.cond.41thread-pre-split
132
133while.body:                                       ; preds = %while.body, %while.condthread-pre-split
134  %exponent_base_10.0262 = phi i32 [ %dec, %while.body ], [ 0, %while.condthread-pre-split ]
135  %3 = phi double [ %mul, %while.body ], [ %.pr, %while.condthread-pre-split ]
136  %mul = fmul double %3, 1.000000e+01
137  %dec = add nsw i32 %exponent_base_10.0262, -1
138  %cmp40 = fcmp olt double %mul, 1.000000e+00
139  br i1 %cmp40, label %while.body, label %while.cond.while.cond.41thread-pre-split_crit_edge
140
141while.cond.while.cond.41thread-pre-split_crit_edge: ; preds = %while.body
142  store double %mul, double* %arg.addr, align 8, !tbaa !4
143  br label %while.cond.41thread-pre-split
144
145while.cond.41thread-pre-split:                    ; preds = %while.cond.while.cond.41thread-pre-split_crit_edge, %while.condthread-pre-split
146  %.pr246 = phi double [ %mul, %while.cond.while.cond.41thread-pre-split_crit_edge ], [ %.pr, %while.condthread-pre-split ]
147  %exponent_base_10.0.lcssa = phi i32 [ %dec, %while.cond.while.cond.41thread-pre-split_crit_edge ], [ 0, %while.condthread-pre-split ]
148  %cmp42.257 = fcmp ult double %.pr246, 1.000000e+01
149  br i1 %cmp42.257, label %while.end.44, label %while.body.43
150
151while.body.43:                                    ; preds = %while.body.43, %while.cond.41thread-pre-split
152  %exponent_base_10.1258 = phi i32 [ %inc, %while.body.43 ], [ %exponent_base_10.0.lcssa, %while.cond.41thread-pre-split ]
153  %4 = phi double [ %div, %while.body.43 ], [ %.pr246, %while.cond.41thread-pre-split ]
154  %div = fdiv double %4, 1.000000e+01
155  %inc = add nsw i32 %exponent_base_10.1258, 1
156  %cmp42 = fcmp ult double %div, 1.000000e+01
157  br i1 %cmp42, label %while.cond.41.while.end.44_crit_edge, label %while.body.43
158
159while.cond.41.while.end.44_crit_edge:             ; preds = %while.body.43
160  store double %div, double* %arg.addr, align 8, !tbaa !4
161  br label %while.end.44
162
163while.end.44:                                     ; preds = %while.cond.41.while.end.44_crit_edge, %while.cond.41thread-pre-split
164  %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 ]
165  %.lcssa = phi double [ %div, %while.cond.41.while.end.44_crit_edge ], [ %.pr246, %while.cond.41thread-pre-split ]
166  %mul45 = fmul double %.lcssa, 1.000000e+06
167  %add = fadd double %mul45, 5.000000e-01
168  %conv46 = fptoui double %add to i64
169  %div47 = udiv i64 %conv46, 1000000
170  %5 = mul i64 %div47, -1000000
171  %sub49 = add i64 %conv46, %5
172  %call50 = call i8* @halide_int64_to_string(i8* %dst.addr.0, i8* %end, i64 %div47, i32 1) #3
173  %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
174  %call52 = call i8* @halide_int64_to_string(i8* %call51, i8* %end, i64 %sub49, i32 6) #3
175  %cmp53 = icmp sgt i32 %exponent_base_10.1.lcssa, -1
176  br i1 %cmp53, label %if.then.54, label %if.else.56
177
178if.then.54:                                       ; preds = %while.end.44
179  %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
180  br label %if.end.59
181
182if.else.56:                                       ; preds = %while.end.44
183  %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
184  %sub58 = sub nsw i32 0, %exponent_base_10.1.lcssa
185  br label %if.end.59
186
187if.end.59:                                        ; preds = %if.else.56, %if.then.54
188  %exponent_base_10.2 = phi i32 [ %exponent_base_10.1.lcssa, %if.then.54 ], [ %sub58, %if.else.56 ]
189  %dst.addr.1 = phi i8* [ %call55, %if.then.54 ], [ %call57, %if.else.56 ]
190  %conv60 = sext i32 %exponent_base_10.2 to i64
191  %call61 = call i8* @halide_int64_to_string(i8* %dst.addr.1, i8* %end, i64 %conv60, i32 2) #3
192  br label %cleanup.148
193
194if.else.62:                                       ; preds = %if.end.37
195  br i1 %cmp16, label %if.then.64, label %if.end.66
196
197if.then.64:                                       ; preds = %if.else.62
198  %call65 = call i8* @halide_double_to_string(i8* %dst.addr.0, i8* %end, double 0.000000e+00, i32 0) #3
199  br label %cleanup.148
200
201if.end.66:                                        ; preds = %if.else.62
202  %add68 = or i64 %and, 4503599627370496
203  %sub70 = add nsw i32 %conv, -1075
204  %cmp71 = icmp ult i32 %conv, 1075
205  br i1 %cmp71, label %if.then.72, label %if.end.105
206
207if.then.72:                                       ; preds = %if.end.66
208  %cmp73 = icmp slt i32 %sub70, -52
209  br i1 %cmp73, label %if.end.84, label %if.else.76
210
211if.else.76:                                       ; preds = %if.then.72
212  %sub77 = sub nsw i32 1075, %conv
213  %sh_prom = zext i32 %sub77 to i64
214  %shr78 = lshr i64 %add68, %sh_prom
215  %shl81 = shl i64 %shr78, %sh_prom
216  %sub82 = sub i64 %add68, %shl81
217  br label %if.end.84
218
219if.end.84:                                        ; preds = %if.else.76, %if.then.72
220  %integer_part.0 = phi i64 [ %shr78, %if.else.76 ], [ 0, %if.then.72 ]
221  %f.0.in = phi i64 [ %sub82, %if.else.76 ], [ %add68, %if.then.72 ]
222  %f.0 = uitofp i64 %f.0.in to double
223  %conv85.244 = zext i32 %sub70 to i64
224  %shl86 = shl i64 %conv85.244, 52
225  %add88 = add i64 %shl86, 4696837146684686336
226  %6 = bitcast i64 %add88 to double
227  %mul90 = fmul double %6, %f.0
228  %add91 = fadd double %mul90, 5.000000e-01
229  %conv92 = fptoui double %add91 to i64
230  %conv93 = uitofp i64 %conv92 to double
231  %and96 = and i64 %conv92, 1
232  %notlhs = fcmp oeq double %conv93, %add91
233  %notrhs = icmp ne i64 %and96, 0
234  %not.or.cond245 = and i1 %notrhs, %notlhs
235  %dec99 = sext i1 %not.or.cond245 to i64
236  %fractional_part.0 = add i64 %dec99, %conv92
237  %cmp101 = icmp eq i64 %fractional_part.0, 1000000
238  %inc103 = zext i1 %cmp101 to i64
239  %inc103.integer_part.0 = add i64 %inc103, %integer_part.0
240  %.fractional_part.0 = select i1 %cmp101, i64 0, i64 %fractional_part.0
241  br label %if.end.105
242
243if.end.105:                                       ; preds = %if.end.84, %if.end.66
244  %integer_part.2 = phi i64 [ %inc103.integer_part.0, %if.end.84 ], [ %add68, %if.end.66 ]
245  %integer_exponent.0 = phi i32 [ 0, %if.end.84 ], [ %sub70, %if.end.66 ]
246  %fractional_part.2 = phi i64 [ %.fractional_part.0, %if.end.84 ], [ 0, %if.end.66 ]
247  %7 = bitcast [512 x i8]* %buf to i8*
248  call void @llvm.lifetime.start.p0i8(i64 512, i8* %7) #0
249  %add.ptr = getelementptr inbounds [512 x i8], [512 x i8]* %buf, i64 0, i64 512
250  %add.ptr106 = getelementptr inbounds [512 x i8], [512 x i8]* %buf, i64 0, i64 480
251  %call109 = call i8* @halide_int64_to_string(i8* %add.ptr106, i8* %add.ptr, i64 %integer_part.2, i32 1) #3
252  %cmp110.252 = icmp sgt i32 %integer_exponent.0, 0
253  br i1 %cmp110.252, label %for.cond.112.preheader, label %for.cond.cleanup
254
255for.cond.112.preheader:                           ; preds = %if.end.138, %if.end.105
256  %i.0255 = phi i32 [ %inc140, %if.end.138 ], [ 0, %if.end.105 ]
257  %int_part_ptr.0253 = phi i8* [ %int_part_ptr.1, %if.end.138 ], [ %add.ptr106, %if.end.105 ]
258  %int_part_ptr.02534 = ptrtoint i8* %int_part_ptr.0253 to i64
259  %cmp114.249 = icmp eq i8* %call109, %int_part_ptr.0253
260  br i1 %cmp114.249, label %if.end.138, label %for.body.116.preheader
261
262for.body.116.preheader:                           ; preds = %for.cond.112.preheader
263  %8 = sub i64 0, %int_part_ptr.02534
264  %scevgep5 = getelementptr i8, i8* %call109, i64 %8
265  %scevgep56 = ptrtoint i8* %scevgep5 to i64
266  call void @llvm.set.loop.iterations.i64(i64 %scevgep56)
267  br label %for.body.116
268
269for.cond.cleanup:                                 ; preds = %if.end.138, %if.end.105
270  %int_part_ptr.0.lcssa = phi i8* [ %add.ptr106, %if.end.105 ], [ %int_part_ptr.1, %if.end.138 ]
271  %9 = bitcast [512 x i8]* %buf to i8*
272  %call142 = call i8* @halide_string_to_string(i8* %dst.addr.0, i8* %end, i8* %int_part_ptr.0.lcssa) #3
273  %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
274  %call144 = call i8* @halide_int64_to_string(i8* %call143, i8* %end, i64 %fractional_part.2, i32 6) #3
275  call void @llvm.lifetime.end.p0i8(i64 512, i8* %9) #0
276  br label %cleanup.148
277
278for.cond.cleanup.115:                             ; preds = %for.body.116
279  br i1 %cmp125, label %if.then.136, label %if.end.138
280
281for.body.116:                                     ; preds = %for.body.116, %for.body.116.preheader
282  %call109.pn = phi i8* [ %p.0251, %for.body.116 ], [ %call109, %for.body.116.preheader ]
283  %carry.0250 = phi i32 [ %carry.1, %for.body.116 ], [ 0, %for.body.116.preheader ]
284  %call109.pn2 = ptrtoint i8* %call109.pn to i64
285  %p.0251 = getelementptr inbounds i8, i8* %call109.pn, i64 -1
286  %scevgep3 = getelementptr i8, i8* inttoptr (i64 -1 to i8*), i64 %call109.pn2
287  %10 = load i8, i8* %scevgep3, align 1, !tbaa !10
288  %sub118 = add i8 %10, -48
289  %conv120 = sext i8 %sub118 to i32
290  %mul121 = shl nsw i32 %conv120, 1
291  %add122 = or i32 %mul121, %carry.0250
292  %11 = trunc i32 %add122 to i8
293  %cmp125 = icmp sgt i8 %11, 9
294  %sub128 = add nsw i32 %add122, 246
295  %carry.1 = zext i1 %cmp125 to i32
296  %new_digit.0.in = select i1 %cmp125, i32 %sub128, i32 %add122
297  %add133 = add nsw i32 %new_digit.0.in, 48
298  %conv134 = trunc i32 %add133 to i8
299  %scevgep = getelementptr i8, i8* inttoptr (i64 -1 to i8*), i64 %call109.pn2
300  store i8 %conv134, i8* %scevgep, align 1, !tbaa !10
301  %12 = call i64 @llvm.loop.dec(i64 %scevgep56, i64 1)
302  %dec.cmp = icmp ne i64 %12, 0
303  br i1 %dec.cmp, label %for.body.116, label %for.cond.cleanup.115
304
305if.then.136:                                      ; preds = %for.cond.cleanup.115
306  %incdec.ptr137 = getelementptr inbounds i8, i8* %int_part_ptr.0253, i64 -1
307  store i8 49, i8* %incdec.ptr137, align 1, !tbaa !10
308  br label %if.end.138
309
310if.end.138:                                       ; preds = %if.then.136, %for.cond.cleanup.115, %for.cond.112.preheader
311  %int_part_ptr.1 = phi i8* [ %incdec.ptr137, %if.then.136 ], [ %call109, %for.cond.112.preheader ], [ %int_part_ptr.0253, %for.cond.cleanup.115 ]
312  %inc140 = add nuw nsw i32 %i.0255, 1
313  %exitcond = icmp eq i32 %inc140, %integer_exponent.0
314  br i1 %exitcond, label %for.cond.cleanup, label %for.cond.112.preheader
315
316cleanup.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
317  %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 ]
318  %13 = bitcast i64* %bits to i8*
319  call void @llvm.lifetime.end.p0i8(i64 8, i8* %13) #0
320  ret i8* %retval.1
321}
322
323; Function Attrs: nounwind
324declare i8* @memcpy(i8*, i8* nocapture readonly, i64) #1
325
326; Function Attrs: nounwind
327declare void @llvm.set.loop.iterations.i64(i64) #0
328
329; Function Attrs: nounwind
330declare i64 @llvm.loop.dec(i64, i64) #0
331
332attributes #0 = { nounwind }
333attributes #1 = { nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
334attributes #2 = { nounwind }
335attributes #3 = { nounwind }
336
337!llvm.ident = !{!0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0, !0}
338!llvm.module.flags = !{!1, !2, !3}
339
340!0 = !{!"clang version 3.7.0 (branches/release_37 246867) (llvm/branches/release_37 246866)"}
341!1 = !{i32 2, !"halide_use_soft_float_abi", i32 0}
342!2 = !{i32 2, !"halide_mcpu", !"pwr8"}
343!3 = !{i32 2, !"halide_mattrs", !"+altivec,+vsx,+power8-altivec,+direct-move"}
344!4 = !{!5, !5, i64 0}
345!5 = !{!"double", !6, i64 0}
346!6 = !{!"omnipotent char", !7, i64 0}
347!7 = !{!"Simple C/C++ TBAA"}
348!8 = !{!9, !9, i64 0}
349!9 = !{!"long long", !6, i64 0}
350!10 = !{!6, !6, i64 0}
351