1 ; RUN: llc < %s -mtriple=x86_64-apple-macosx -regalloc=greedy | FileCheck %s
3 ; This testing case is reduced from 197.parser prune_match function.
4 ; We make sure register copies are not generated on isupper.exit blocks.
17 %struct.List_o_links_struct = type { i32, i32, i32, %struct.List_o_links_struct* }
18 %struct.Connector_struct = type { i16, i16, i8, i8, %struct.Connector_struct*, i8* }
19 %struct._RuneLocale = type { [8 x i8], [32 x i8], i32 (i8*, i64, i8**)*, i32 (i32, i8*, i64, i8**)*, i32, [256 x i32], [256 x i32], [256 x i32], %struct._RuneRange, %struct._RuneRange, %struct._RuneRange, i8*, i32, i32, %struct._RuneCharClass* }
20 %struct._RuneRange = type { i32, %struct._RuneEntry* }
21 %struct._RuneEntry = type { i32, i32, i32, i32* }
22 %struct._RuneCharClass = type { [14 x i8], i32 }
23 %struct.Exp_struct = type { i8, i8, i8, i8, %union.anon }
24 %union.anon = type { %struct.E_list_struct* }
25 %struct.E_list_struct = type { %struct.E_list_struct*, %struct.Exp_struct* }
26 %struct.domain_struct = type { i8*, i32, %struct.List_o_links_struct*, i32, i32, %struct.d_tree_leaf_struct*, %struct.domain_struct* }
27 %struct.d_tree_leaf_struct = type { %struct.domain_struct*, i32, %struct.d_tree_leaf_struct* }
28 @_DefaultRuneLocale = external global %struct._RuneLocale
29 declare i32 @__maskrune(i32, i64) #7
30 define fastcc i32 @prune_match(%struct.Connector_struct* nocapture readonly %a, %struct.Connector_struct* nocapture readonly %b) #9 {
32 %label56 = bitcast %struct.Connector_struct* %a to i16*
33 %0 = load i16* %label56, align 2
34 %label157 = bitcast %struct.Connector_struct* %b to i16*
35 %1 = load i16* %label157, align 2
36 %cmp = icmp eq i16 %0, %1
37 br i1 %cmp, label %if.end, label %return, !prof !988
39 %priority = getelementptr inbounds %struct.Connector_struct* %a, i64 0, i32 2
40 %2 = load i8* %priority, align 1
41 %priority5 = getelementptr inbounds %struct.Connector_struct* %b, i64 0, i32 2
42 %3 = load i8* %priority5, align 1
43 %string = getelementptr inbounds %struct.Connector_struct* %a, i64 0, i32 5
44 %4 = load i8** %string, align 8
45 %string7 = getelementptr inbounds %struct.Connector_struct* %b, i64 0, i32 5
46 %5 = load i8** %string7, align 8
49 %lsr.iv27 = phi i64 [ %lsr.iv.next28, %if.end17 ], [ 0, %if.end ]
50 %scevgep55 = getelementptr i8* %4, i64 %lsr.iv27
51 %6 = load i8* %scevgep55, align 1
52 %idxprom.i.i = sext i8 %6 to i64
53 %isascii.i.i224 = icmp sgt i8 %6, -1
54 br i1 %isascii.i.i224, label %cond.true.i.i, label %cond.false.i.i, !prof !181
56 %arrayidx.i.i = getelementptr inbounds %struct._RuneLocale* @_DefaultRuneLocale, i64 0, i32 5, i64 %idxprom.i.i
57 %7 = load i32* %arrayidx.i.i, align 4
58 %and.i.i = and i32 %7, 32768
59 br label %isupper.exit
61 %8 = trunc i64 %idxprom.i.i to i8
62 %conv8 = sext i8 %8 to i32
63 %call3.i.i = tail call i32 @__maskrune(i32 %conv8, i64 32768) #3
64 br label %isupper.exit
66 %tobool1.sink.i.in.i = phi i32 [ %and.i.i, %cond.true.i.i ], [ %call3.i.i, %cond.false.i.i ]
67 %tobool1.sink.i.i = icmp eq i32 %tobool1.sink.i.in.i, 0
68 br i1 %tobool1.sink.i.i, label %lor.rhs, label %while.body, !prof !989
70 %sunkaddr = ptrtoint i8* %5 to i64
71 %sunkaddr58 = add i64 %sunkaddr, %lsr.iv27
72 %sunkaddr59 = inttoptr i64 %sunkaddr58 to i8*
73 %9 = load i8* %sunkaddr59, align 1
74 %idxprom.i.i214 = sext i8 %9 to i64
75 %isascii.i.i213225 = icmp sgt i8 %9, -1
76 br i1 %isascii.i.i213225, label %cond.true.i.i217, label %cond.false.i.i219, !prof !181
78 %arrayidx.i.i215 = getelementptr inbounds %struct._RuneLocale* @_DefaultRuneLocale, i64 0, i32 5, i64 %idxprom.i.i214
79 %10 = load i32* %arrayidx.i.i215, align 4
80 %and.i.i216 = and i32 %10, 32768
81 br label %isupper.exit223
83 %11 = trunc i64 %idxprom.i.i214 to i8
84 %conv9 = sext i8 %11 to i32
85 %call3.i.i218 = tail call i32 @__maskrune(i32 %conv9, i64 32768) #3
86 br label %isupper.exit223
88 %tobool1.sink.i.in.i220 = phi i32 [ %and.i.i216, %cond.true.i.i217 ], [ %call3.i.i218, %cond.false.i.i219 ]
89 %tobool1.sink.i.i221 = icmp eq i32 %tobool1.sink.i.in.i220, 0
90 br i1 %tobool1.sink.i.i221, label %while.end, label %while.body, !prof !990
92 %sunkaddr60 = ptrtoint i8* %4 to i64
93 %sunkaddr61 = add i64 %sunkaddr60, %lsr.iv27
94 %sunkaddr62 = inttoptr i64 %sunkaddr61 to i8*
95 %12 = load i8* %sunkaddr62, align 1
96 %sunkaddr63 = ptrtoint i8* %5 to i64
97 %sunkaddr64 = add i64 %sunkaddr63, %lsr.iv27
98 %sunkaddr65 = inttoptr i64 %sunkaddr64 to i8*
99 %13 = load i8* %sunkaddr65, align 1
100 %cmp14 = icmp eq i8 %12, %13
101 br i1 %cmp14, label %if.end17, label %return, !prof !991
103 %lsr.iv.next28 = add i64 %lsr.iv27, 1
107 %15 = icmp eq i8 %14, 0
108 br i1 %15, label %if.then23, label %if.else88, !prof !992
110 %sunkaddr66 = ptrtoint %struct.Connector_struct* %a to i64
111 %sunkaddr67 = add i64 %sunkaddr66, 16
112 %sunkaddr68 = inttoptr i64 %sunkaddr67 to i8**
113 %16 = load i8** %sunkaddr68, align 8
114 %17 = load i8* %16, align 1
115 %cmp26 = icmp eq i8 %17, 83
116 %sunkaddr69 = ptrtoint i8* %4 to i64
117 %sunkaddr70 = add i64 %sunkaddr69, %lsr.iv27
118 %sunkaddr71 = inttoptr i64 %sunkaddr70 to i8*
119 %18 = load i8* %sunkaddr71, align 1
120 br i1 %cmp26, label %land.lhs.true28, label %while.cond59.preheader, !prof !993
122 switch i8 %18, label %land.rhs.preheader [
123 i8 112, label %land.lhs.true35
127 %sunkaddr72 = ptrtoint i8* %5 to i64
128 %sunkaddr73 = add i64 %sunkaddr72, %lsr.iv27
129 %sunkaddr74 = inttoptr i64 %sunkaddr73 to i8*
130 %19 = load i8* %sunkaddr74, align 1
131 switch i8 %19, label %land.rhs.preheader [
132 i8 112, label %land.lhs.true43
135 %20 = ptrtoint i8* %16 to i64
137 %scevgep52 = getelementptr i8* %4, i64 %21
138 %scevgep53 = getelementptr i8* %scevgep52, i64 %lsr.iv27
139 %scevgep54 = getelementptr i8* %scevgep53, i64 -1
140 %cmp45 = icmp eq i8* %scevgep54, null
141 br i1 %cmp45, label %return, label %lor.lhs.false47, !prof !996
143 %22 = ptrtoint i8* %16 to i64
145 %scevgep47 = getelementptr i8* %4, i64 %23
146 %scevgep48 = getelementptr i8* %scevgep47, i64 %lsr.iv27
147 %scevgep49 = getelementptr i8* %scevgep48, i64 -2
148 %cmp50 = icmp eq i8* %scevgep49, null
149 br i1 %cmp50, label %land.lhs.true52, label %while.cond59.preheader, !prof !997
151 %sunkaddr75 = ptrtoint i8* %4 to i64
152 %sunkaddr76 = add i64 %sunkaddr75, %lsr.iv27
153 %sunkaddr77 = add i64 %sunkaddr76, -1
154 %sunkaddr78 = inttoptr i64 %sunkaddr77 to i8*
155 %24 = load i8* %sunkaddr78, align 1
156 %cmp55 = icmp eq i8 %24, 73
157 %cmp61233 = icmp eq i8 %18, 0
158 %or.cond265 = or i1 %cmp55, %cmp61233
159 br i1 %or.cond265, label %return, label %land.rhs.preheader, !prof !998
160 while.cond59.preheader:
161 %cmp61233.old = icmp eq i8 %18, 0
162 br i1 %cmp61233.old, label %return, label %land.rhs.preheader, !prof !999
164 %scevgep33 = getelementptr i8* %5, i64 %lsr.iv27
165 %scevgep43 = getelementptr i8* %4, i64 %lsr.iv27
168 %lsr.iv = phi i64 [ 0, %land.rhs.preheader ], [ %lsr.iv.next, %if.then83 ]
169 %25 = phi i8 [ %27, %if.then83 ], [ %18, %land.rhs.preheader ]
170 %scevgep34 = getelementptr i8* %scevgep33, i64 %lsr.iv
171 %26 = load i8* %scevgep34, align 1
172 %cmp64 = icmp eq i8 %26, 0
173 br i1 %cmp64, label %return, label %while.body66, !prof !1000
175 %cmp68 = icmp eq i8 %25, 42
176 %cmp72 = icmp eq i8 %26, 42
177 %or.cond = or i1 %cmp68, %cmp72
178 br i1 %or.cond, label %if.then83, label %lor.lhs.false74, !prof !1001
180 %cmp77 = icmp ne i8 %25, %26
181 %cmp81 = icmp eq i8 %25, 94
182 %or.cond208 = or i1 %cmp77, %cmp81
183 br i1 %or.cond208, label %return, label %if.then83, !prof !1002
185 %scevgep44 = getelementptr i8* %scevgep43, i64 %lsr.iv
186 %scevgep45 = getelementptr i8* %scevgep44, i64 1
187 %27 = load i8* %scevgep45, align 1
188 %cmp61 = icmp eq i8 %27, 0
189 %lsr.iv.next = add i64 %lsr.iv, 1
190 br i1 %cmp61, label %return, label %land.rhs, !prof !999
192 %cmp89 = icmp eq i8 %2, 1
193 %cmp92 = icmp eq i8 %3, 2
194 %or.cond159 = and i1 %cmp89, %cmp92
195 br i1 %or.cond159, label %while.cond95.preheader, label %if.else123, !prof !1003
196 while.cond95.preheader:
197 %sunkaddr79 = ptrtoint i8* %4 to i64
198 %sunkaddr80 = add i64 %sunkaddr79, %lsr.iv27
199 %sunkaddr81 = inttoptr i64 %sunkaddr80 to i8*
200 %28 = load i8* %sunkaddr81, align 1
201 %cmp97238 = icmp eq i8 %28, 0
202 br i1 %cmp97238, label %return, label %land.rhs99.preheader, !prof !1004
203 land.rhs99.preheader:
204 %scevgep31 = getelementptr i8* %5, i64 %lsr.iv27
205 %scevgep40 = getelementptr i8* %4, i64 %lsr.iv27
208 %lsr.iv17 = phi i64 [ 0, %land.rhs99.preheader ], [ %lsr.iv.next18, %if.then117 ]
209 %29 = phi i8 [ %31, %if.then117 ], [ %28, %land.rhs99.preheader ]
210 %scevgep32 = getelementptr i8* %scevgep31, i64 %lsr.iv17
211 %30 = load i8* %scevgep32, align 1
212 %cmp101 = icmp eq i8 %30, 0
213 br i1 %cmp101, label %return, label %while.body104, !prof !1005
215 %cmp107 = icmp eq i8 %29, %30
216 %cmp111 = icmp eq i8 %29, 42
217 %or.cond209 = or i1 %cmp107, %cmp111
218 %cmp115 = icmp eq i8 %30, 94
219 %or.cond210 = or i1 %or.cond209, %cmp115
220 br i1 %or.cond210, label %if.then117, label %return, !prof !1006
222 %scevgep41 = getelementptr i8* %scevgep40, i64 %lsr.iv17
223 %scevgep42 = getelementptr i8* %scevgep41, i64 1
224 %31 = load i8* %scevgep42, align 1
225 %cmp97 = icmp eq i8 %31, 0
226 %lsr.iv.next18 = add i64 %lsr.iv17, 1
227 br i1 %cmp97, label %return, label %land.rhs99, !prof !1004
229 %cmp124 = icmp eq i8 %3, 1
230 %cmp127 = icmp eq i8 %2, 2
231 %or.cond160 = and i1 %cmp124, %cmp127
232 br i1 %or.cond160, label %while.cond130.preheader, label %return, !prof !1007
233 while.cond130.preheader:
234 %sunkaddr82 = ptrtoint i8* %4 to i64
235 %sunkaddr83 = add i64 %sunkaddr82, %lsr.iv27
236 %sunkaddr84 = inttoptr i64 %sunkaddr83 to i8*
237 %32 = load i8* %sunkaddr84, align 1
238 %cmp132244 = icmp eq i8 %32, 0
239 br i1 %cmp132244, label %return, label %land.rhs134.preheader, !prof !1008
240 land.rhs134.preheader:
241 %scevgep29 = getelementptr i8* %5, i64 %lsr.iv27
242 %scevgep37 = getelementptr i8* %4, i64 %lsr.iv27
243 br label %land.rhs134
245 %lsr.iv22 = phi i64 [ 0, %land.rhs134.preheader ], [ %lsr.iv.next23, %if.then152 ]
246 %33 = phi i8 [ %35, %if.then152 ], [ %32, %land.rhs134.preheader ]
247 %scevgep30 = getelementptr i8* %scevgep29, i64 %lsr.iv22
248 %34 = load i8* %scevgep30, align 1
249 %cmp136 = icmp eq i8 %34, 0
250 br i1 %cmp136, label %return, label %while.body139, !prof !1009
252 %cmp142 = icmp eq i8 %33, %34
253 %cmp146 = icmp eq i8 %34, 42
254 %or.cond211 = or i1 %cmp142, %cmp146
255 %cmp150 = icmp eq i8 %33, 94
256 %or.cond212 = or i1 %or.cond211, %cmp150
257 br i1 %or.cond212, label %if.then152, label %return, !prof !1010
259 %scevgep38 = getelementptr i8* %scevgep37, i64 %lsr.iv22
260 %scevgep39 = getelementptr i8* %scevgep38, i64 1
261 %35 = load i8* %scevgep39, align 1
262 %cmp132 = icmp eq i8 %35, 0
263 %lsr.iv.next23 = add i64 %lsr.iv22, 1
264 br i1 %cmp132, label %return, label %land.rhs134, !prof !1008
266 %retval.0 = phi i32 [ 0, %entry ], [ 1, %land.lhs.true52 ], [ 1, %land.lhs.true43 ], [ 0, %if.else123 ], [ 1, %while.cond59.preheader ], [ 1, %while.cond95.preheader ], [ 1, %while.cond130.preheader ], [ 1, %land.lhs.true28 ], [ 1, %if.then83 ], [ 0, %lor.lhs.false74 ], [ 1, %land.rhs ], [ 1, %if.then117 ], [ 0, %while.body104 ], [ 1, %land.rhs99 ], [ 1, %if.then152 ], [ 0, %while.body139 ], [ 1, %land.rhs134 ], [ 0, %while.body ]
269 !181 = !{!"branch_weights", i32 662038, i32 1}
270 !988 = !{!"branch_weights", i32 12091450, i32 1916}
271 !989 = !{!"branch_weights", i32 7564670, i32 4526781}
272 !990 = !{!"branch_weights", i32 7484958, i32 13283499}
273 !991 = !{!"branch_weights", i32 8677007, i32 4606493}
274 !992 = !{!"branch_weights", i32 -1172426948, i32 145094705}
275 !993 = !{!"branch_weights", i32 1468914, i32 5683688}
276 !994 = !{!"branch_weights", i32 114025221, i32 -1217548794, i32 -1199521551, i32 87712616}
277 !995 = !{!"branch_weights", i32 1853716452, i32 -444717951, i32 932776759}
278 !996 = !{!"branch_weights", i32 1004870, i32 20259}
279 !997 = !{!"branch_weights", i32 20071, i32 189}
280 !998 = !{!"branch_weights", i32 -1020255939, i32 572177766}
281 !999 = !{!"branch_weights", i32 2666513, i32 3466431}
282 !1000 = !{!"branch_weights", i32 5117635, i32 1859780}
283 !1001 = !{!"branch_weights", i32 354902465, i32 -1444604407}
284 !1002 = !{!"branch_weights", i32 -1762419279, i32 1592770684}
285 !1003 = !{!"branch_weights", i32 1435905930, i32 -1951930624}
286 !1004 = !{!"branch_weights", i32 1, i32 504888}
287 !1005 = !{!"branch_weights", i32 94662, i32 504888}
288 !1006 = !{!"branch_weights", i32 -1897793104, i32 160196332}
289 !1007 = !{!"branch_weights", i32 2074643678, i32 -29579071}
290 !1008 = !{!"branch_weights", i32 1, i32 226163}
291 !1009 = !{!"branch_weights", i32 58357, i32 226163}
292 !1010 = !{!"branch_weights", i32 -2072848646, i32 92907517}