| blob | 7a7c98fba4eb0873c0d8943b74d75b0cdb6a61d5 |
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.
6 ; isupper.exit and isupper.exit223 get tail-duplicated into all their
7 ; predecessors.
8 ; CHECK: cond.true.i.i
9 ; CHECK-NEXT: in Loop
10 ; Mem-move
11 ; CHECK-NEXT: movl
12 ; CHECK-NEXT: andl
13 ; CHECK-NEXT: testl
14 ; CHECK-NEXT: jne
15 ; CHECK: cond.true.i.i217
16 ; CHECK-NEXT: in Loop
17 ; Mem-move
18 ; CHECK-NEXT: movl
19 ; CHECK-NEXT: andl
20 ; CHECK-NEXT: testl
21 ; CHECK-NEXT: je
22 ; CHECK: cond.false.i.i
23 ; CHECK: maskrune
24 ; CHECK-NEXT: movzbl
25 ; CHECK-NEXT: movzbl
26 ; CHECK-NEXT: testl
27 ; CHECK-NEXT: je
28 ; CHECK: cond.false.i.i219
29 ; CHECK: maskrune
30 ; CHECK-NEXT: movzbl
31 ; CHECK-NEXT: movzbl
32 ; CHECK-NEXT: testl
33 ; CHECK-NEXT: jne
35 %struct.List_o_links_struct = type { i32, i32, i32, %struct.List_o_links_struct* }
36 %struct.Connector_struct = type { i16, i16, i8, i8, %struct.Connector_struct*, i8* }
37 %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* }
38 %struct._RuneRange = type { i32, %struct._RuneEntry* }
39 %struct._RuneEntry = type { i32, i32, i32, i32* }
40 %struct._RuneCharClass = type { [14 x i8], i32 }
41 %struct.Exp_struct = type { i8, i8, i8, i8, %union.anon }
42 %union.anon = type { %struct.E_list_struct* }
43 %struct.E_list_struct = type { %struct.E_list_struct*, %struct.Exp_struct* }
44 %struct.domain_struct = type { i8*, i32, %struct.List_o_links_struct*, i32, i32, %struct.d_tree_leaf_struct*, %struct.domain_struct* }
45 %struct.d_tree_leaf_struct = type { %struct.domain_struct*, i32, %struct.d_tree_leaf_struct* }
46 @_DefaultRuneLocale = external global %struct._RuneLocale
47 declare i32 @__maskrune(i32, i64) #7
48 define fastcc i32 @prune_match(%struct.Connector_struct* nocapture readonly %a, %struct.Connector_struct* nocapture readonly %b) #9 {
49 entry:
50 %label56 = bitcast %struct.Connector_struct* %a to i16*
51 %0 = load i16, i16* %label56, align 2
52 %label157 = bitcast %struct.Connector_struct* %b to i16*
53 %1 = load i16, i16* %label157, align 2
54 %cmp = icmp eq i16 %0, %1
55 br i1 %cmp, label %if.end, label %return, !prof !988
56 if.end:
57 %priority = getelementptr inbounds %struct.Connector_struct, %struct.Connector_struct* %a, i64 0, i32 2
58 %2 = load i8, i8* %priority, align 1
59 %priority5 = getelementptr inbounds %struct.Connector_struct, %struct.Connector_struct* %b, i64 0, i32 2
60 %3 = load i8, i8* %priority5, align 1
61 %string = getelementptr inbounds %struct.Connector_struct, %struct.Connector_struct* %a, i64 0, i32 5
62 %4 = load i8*, i8** %string, align 8
63 %string7 = getelementptr inbounds %struct.Connector_struct, %struct.Connector_struct* %b, i64 0, i32 5
64 %5 = load i8*, i8** %string7, align 8
65 br label %while.cond
66 while.cond:
67 %lsr.iv27 = phi i64 [ %lsr.iv.next28, %if.end17 ], [ 0, %if.end ]
68 %scevgep55 = getelementptr i8, i8* %4, i64 %lsr.iv27
69 %6 = load i8, i8* %scevgep55, align 1
70 %idxprom.i.i = sext i8 %6 to i64
71 %isascii.i.i224 = icmp sgt i8 %6, -1
72 br i1 %isascii.i.i224, label %cond.true.i.i, label %cond.false.i.i, !prof !181
73 cond.true.i.i:
74 %arrayidx.i.i = getelementptr inbounds %struct._RuneLocale, %struct._RuneLocale* @_DefaultRuneLocale, i64 0, i32 5, i64 %idxprom.i.i
75 %7 = load i32, i32* %arrayidx.i.i, align 4
76 %and.i.i = and i32 %7, 32768
77 br label %isupper.exit
78 cond.false.i.i:
79 %8 = trunc i64 %idxprom.i.i to i8
80 %conv8 = sext i8 %8 to i32
81 %call3.i.i = tail call i32 @__maskrune(i32 %conv8, i64 32768) #3
82 br label %isupper.exit
83 isupper.exit:
84 %tobool1.sink.i.in.i = phi i32 [ %and.i.i, %cond.true.i.i ], [ %call3.i.i, %cond.false.i.i ]
85 %tobool1.sink.i.i = icmp eq i32 %tobool1.sink.i.in.i, 0
86 br i1 %tobool1.sink.i.i, label %lor.rhs, label %while.body, !prof !989
87 lor.rhs:
88 %sunkaddr = ptrtoint i8* %5 to i64
89 %sunkaddr58 = add i64 %sunkaddr, %lsr.iv27
90 %sunkaddr59 = inttoptr i64 %sunkaddr58 to i8*
91 %9 = load i8, i8* %sunkaddr59, align 1
92 %idxprom.i.i214 = sext i8 %9 to i64
93 %isascii.i.i213225 = icmp sgt i8 %9, -1
94 br i1 %isascii.i.i213225, label %cond.true.i.i217, label %cond.false.i.i219, !prof !181
95 cond.true.i.i217:
96 %arrayidx.i.i215 = getelementptr inbounds %struct._RuneLocale, %struct._RuneLocale* @_DefaultRuneLocale, i64 0, i32 5, i64 %idxprom.i.i214
97 %10 = load i32, i32* %arrayidx.i.i215, align 4
98 %and.i.i216 = and i32 %10, 32768
99 br label %isupper.exit223
100 cond.false.i.i219:
101 %11 = trunc i64 %idxprom.i.i214 to i8
102 %conv9 = sext i8 %11 to i32
103 %call3.i.i218 = tail call i32 @__maskrune(i32 %conv9, i64 32768) #3
104 br label %isupper.exit223
105 isupper.exit223:
106 %tobool1.sink.i.in.i220 = phi i32 [ %and.i.i216, %cond.true.i.i217 ], [ %call3.i.i218, %cond.false.i.i219 ]
107 %tobool1.sink.i.i221 = icmp eq i32 %tobool1.sink.i.in.i220, 0
108 br i1 %tobool1.sink.i.i221, label %while.end, label %while.body, !prof !990
109 while.body:
110 %sunkaddr60 = ptrtoint i8* %4 to i64
111 %sunkaddr61 = add i64 %sunkaddr60, %lsr.iv27
112 %sunkaddr62 = inttoptr i64 %sunkaddr61 to i8*
113 %12 = load i8, i8* %sunkaddr62, align 1
114 %sunkaddr63 = ptrtoint i8* %5 to i64
115 %sunkaddr64 = add i64 %sunkaddr63, %lsr.iv27
116 %sunkaddr65 = inttoptr i64 %sunkaddr64 to i8*
117 %13 = load i8, i8* %sunkaddr65, align 1
118 %cmp14 = icmp eq i8 %12, %13
119 br i1 %cmp14, label %if.end17, label %return, !prof !991
120 if.end17:
121 %lsr.iv.next28 = add i64 %lsr.iv27, 1
122 br label %while.cond
123 while.end:
124 %14 = or i8 %3, %2
125 %15 = icmp eq i8 %14, 0
126 br i1 %15, label %if.then23, label %if.else88, !prof !992
127 if.then23:
128 %sunkaddr66 = ptrtoint %struct.Connector_struct* %a to i64
129 %sunkaddr67 = add i64 %sunkaddr66, 16
130 %sunkaddr68 = inttoptr i64 %sunkaddr67 to i8**
131 %16 = load i8*, i8** %sunkaddr68, align 8
132 %17 = load i8, i8* %16, align 1
133 %cmp26 = icmp eq i8 %17, 83
134 %sunkaddr69 = ptrtoint i8* %4 to i64
135 %sunkaddr70 = add i64 %sunkaddr69, %lsr.iv27
136 %sunkaddr71 = inttoptr i64 %sunkaddr70 to i8*
137 %18 = load i8, i8* %sunkaddr71, align 1
138 br i1 %cmp26, label %land.lhs.true28, label %while.cond59.preheader, !prof !993
139 land.lhs.true28:
140 switch i8 %18, label %land.rhs.preheader [
141 i8 112, label %land.lhs.true35
142 i8 0, label %return
143 ], !prof !994
144 land.lhs.true35:
145 %sunkaddr72 = ptrtoint i8* %5 to i64
146 %sunkaddr73 = add i64 %sunkaddr72, %lsr.iv27
147 %sunkaddr74 = inttoptr i64 %sunkaddr73 to i8*
148 %19 = load i8, i8* %sunkaddr74, align 1
149 switch i8 %19, label %land.rhs.preheader [
150 i8 112, label %land.lhs.true43
151 ], !prof !995
152 land.lhs.true43:
153 %20 = ptrtoint i8* %16 to i64
154 %21 = sub i64 0, %20
155 %scevgep52 = getelementptr i8, i8* %4, i64 %21
156 %scevgep53 = getelementptr i8, i8* %scevgep52, i64 %lsr.iv27
157 %scevgep54 = getelementptr i8, i8* %scevgep53, i64 -1
158 %cmp45 = icmp eq i8* %scevgep54, null
159 br i1 %cmp45, label %return, label %lor.lhs.false47, !prof !996
160 lor.lhs.false47:
161 %22 = ptrtoint i8* %16 to i64
162 %23 = sub i64 0, %22
163 %scevgep47 = getelementptr i8, i8* %4, i64 %23
164 %scevgep48 = getelementptr i8, i8* %scevgep47, i64 %lsr.iv27
165 %scevgep49 = getelementptr i8, i8* %scevgep48, i64 -2
166 %cmp50 = icmp eq i8* %scevgep49, null
167 br i1 %cmp50, label %land.lhs.true52, label %while.cond59.preheader, !prof !997
168 land.lhs.true52:
169 %sunkaddr75 = ptrtoint i8* %4 to i64
170 %sunkaddr76 = add i64 %sunkaddr75, %lsr.iv27
171 %sunkaddr77 = add i64 %sunkaddr76, -1
172 %sunkaddr78 = inttoptr i64 %sunkaddr77 to i8*
173 %24 = load i8, i8* %sunkaddr78, align 1
174 %cmp55 = icmp eq i8 %24, 73
175 %cmp61233 = icmp eq i8 %18, 0
176 %or.cond265 = or i1 %cmp55, %cmp61233
177 br i1 %or.cond265, label %return, label %land.rhs.preheader, !prof !998
178 while.cond59.preheader:
179 %cmp61233.old = icmp eq i8 %18, 0
180 br i1 %cmp61233.old, label %return, label %land.rhs.preheader, !prof !999
181 land.rhs.preheader:
182 %scevgep33 = getelementptr i8, i8* %5, i64 %lsr.iv27
183 %scevgep43 = getelementptr i8, i8* %4, i64 %lsr.iv27
184 br label %land.rhs
185 land.rhs:
186 %lsr.iv = phi i64 [ 0, %land.rhs.preheader ], [ %lsr.iv.next, %if.then83 ]
187 %25 = phi i8 [ %27, %if.then83 ], [ %18, %land.rhs.preheader ]
188 %scevgep34 = getelementptr i8, i8* %scevgep33, i64 %lsr.iv
189 %26 = load i8, i8* %scevgep34, align 1
190 %cmp64 = icmp eq i8 %26, 0
191 br i1 %cmp64, label %return, label %while.body66, !prof !1000
192 while.body66:
193 %cmp68 = icmp eq i8 %25, 42
194 %cmp72 = icmp eq i8 %26, 42
195 %or.cond = or i1 %cmp68, %cmp72
196 br i1 %or.cond, label %if.then83, label %lor.lhs.false74, !prof !1001
197 lor.lhs.false74:
198 %cmp77 = icmp ne i8 %25, %26
199 %cmp81 = icmp eq i8 %25, 94
200 %or.cond208 = or i1 %cmp77, %cmp81
201 br i1 %or.cond208, label %return, label %if.then83, !prof !1002
202 if.then83:
203 %scevgep44 = getelementptr i8, i8* %scevgep43, i64 %lsr.iv
204 %scevgep45 = getelementptr i8, i8* %scevgep44, i64 1
205 %27 = load i8, i8* %scevgep45, align 1
206 %cmp61 = icmp eq i8 %27, 0
207 %lsr.iv.next = add i64 %lsr.iv, 1
208 br i1 %cmp61, label %return, label %land.rhs, !prof !999
209 if.else88:
210 %cmp89 = icmp eq i8 %2, 1
211 %cmp92 = icmp eq i8 %3, 2
212 %or.cond159 = and i1 %cmp89, %cmp92
213 br i1 %or.cond159, label %while.cond95.preheader, label %if.else123, !prof !1003
214 while.cond95.preheader:
215 %sunkaddr79 = ptrtoint i8* %4 to i64
216 %sunkaddr80 = add i64 %sunkaddr79, %lsr.iv27
217 %sunkaddr81 = inttoptr i64 %sunkaddr80 to i8*
218 %28 = load i8, i8* %sunkaddr81, align 1
219 %cmp97238 = icmp eq i8 %28, 0
220 br i1 %cmp97238, label %return, label %land.rhs99.preheader, !prof !1004
221 land.rhs99.preheader:
222 %scevgep31 = getelementptr i8, i8* %5, i64 %lsr.iv27
223 %scevgep40 = getelementptr i8, i8* %4, i64 %lsr.iv27
224 br label %land.rhs99
225 land.rhs99:
226 %lsr.iv17 = phi i64 [ 0, %land.rhs99.preheader ], [ %lsr.iv.next18, %if.then117 ]
227 %29 = phi i8 [ %31, %if.then117 ], [ %28, %land.rhs99.preheader ]
228 %scevgep32 = getelementptr i8, i8* %scevgep31, i64 %lsr.iv17
229 %30 = load i8, i8* %scevgep32, align 1
230 %cmp101 = icmp eq i8 %30, 0
231 br i1 %cmp101, label %return, label %while.body104, !prof !1005
232 while.body104:
233 %cmp107 = icmp eq i8 %29, %30
234 %cmp111 = icmp eq i8 %29, 42
235 %or.cond209 = or i1 %cmp107, %cmp111
236 %cmp115 = icmp eq i8 %30, 94
237 %or.cond210 = or i1 %or.cond209, %cmp115
238 br i1 %or.cond210, label %if.then117, label %return, !prof !1006
239 if.then117:
240 %scevgep41 = getelementptr i8, i8* %scevgep40, i64 %lsr.iv17
241 %scevgep42 = getelementptr i8, i8* %scevgep41, i64 1
242 %31 = load i8, i8* %scevgep42, align 1
243 %cmp97 = icmp eq i8 %31, 0
244 %lsr.iv.next18 = add i64 %lsr.iv17, 1
245 br i1 %cmp97, label %return, label %land.rhs99, !prof !1004
246 if.else123:
247 %cmp124 = icmp eq i8 %3, 1
248 %cmp127 = icmp eq i8 %2, 2
249 %or.cond160 = and i1 %cmp124, %cmp127
250 br i1 %or.cond160, label %while.cond130.preheader, label %return, !prof !1007
251 while.cond130.preheader:
252 %sunkaddr82 = ptrtoint i8* %4 to i64
253 %sunkaddr83 = add i64 %sunkaddr82, %lsr.iv27
254 %sunkaddr84 = inttoptr i64 %sunkaddr83 to i8*
255 %32 = load i8, i8* %sunkaddr84, align 1
256 %cmp132244 = icmp eq i8 %32, 0
257 br i1 %cmp132244, label %return, label %land.rhs134.preheader, !prof !1008
258 land.rhs134.preheader:
259 %scevgep29 = getelementptr i8, i8* %5, i64 %lsr.iv27
260 %scevgep37 = getelementptr i8, i8* %4, i64 %lsr.iv27
261 br label %land.rhs134
262 land.rhs134:
263 %lsr.iv22 = phi i64 [ 0, %land.rhs134.preheader ], [ %lsr.iv.next23, %if.then152 ]
264 %33 = phi i8 [ %35, %if.then152 ], [ %32, %land.rhs134.preheader ]
265 %scevgep30 = getelementptr i8, i8* %scevgep29, i64 %lsr.iv22
266 %34 = load i8, i8* %scevgep30, align 1
267 %cmp136 = icmp eq i8 %34, 0
268 br i1 %cmp136, label %return, label %while.body139, !prof !1009
269 while.body139:
270 %cmp142 = icmp eq i8 %33, %34
271 %cmp146 = icmp eq i8 %34, 42
272 %or.cond211 = or i1 %cmp142, %cmp146
273 %cmp150 = icmp eq i8 %33, 94
274 %or.cond212 = or i1 %or.cond211, %cmp150
275 br i1 %or.cond212, label %if.then152, label %return, !prof !1010
276 if.then152:
277 %scevgep38 = getelementptr i8, i8* %scevgep37, i64 %lsr.iv22
278 %scevgep39 = getelementptr i8, i8* %scevgep38, i64 1
279 %35 = load i8, i8* %scevgep39, align 1
280 %cmp132 = icmp eq i8 %35, 0
281 %lsr.iv.next23 = add i64 %lsr.iv22, 1
282 br i1 %cmp132, label %return, label %land.rhs134, !prof !1008
283 return:
284 %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 ]
285 ret i32 %retval.0
286 }
287 !181 = !{!"branch_weights", i32 662038, i32 1}
288 !988 = !{!"branch_weights", i32 12091450, i32 1916}
289 !989 = !{!"branch_weights", i32 7564670, i32 4526781}
290 !990 = !{!"branch_weights", i32 7484958, i32 13283499}
291 !991 = !{!"branch_weights", i32 8677007, i32 4606493}
292 !992 = !{!"branch_weights", i32 -1172426948, i32 145094705}
293 !993 = !{!"branch_weights", i32 1468914, i32 5683688}
294 !994 = !{!"branch_weights", i32 114025221, i32 -1217548794, i32 -1199521551}
295 !995 = !{!"branch_weights", i32 1853716452, i32 -444717951}
296 !996 = !{!"branch_weights", i32 1004870, i32 20259}
297 !997 = !{!"branch_weights", i32 20071, i32 189}
298 !998 = !{!"branch_weights", i32 -1020255939, i32 572177766}
299 !999 = !{!"branch_weights", i32 2666513, i32 3466431}
300 !1000 = !{!"branch_weights", i32 5117635, i32 1859780}
301 !1001 = !{!"branch_weights", i32 354902465, i32 -1444604407}
302 !1002 = !{!"branch_weights", i32 -1762419279, i32 1592770684}
303 !1003 = !{!"branch_weights", i32 1435905930, i32 -1951930624}
304 !1004 = !{!"branch_weights", i32 1, i32 504888}
305 !1005 = !{!"branch_weights", i32 94662, i32 504888}
306 !1006 = !{!"branch_weights", i32 -1897793104, i32 160196332}
307 !1007 = !{!"branch_weights", i32 2074643678, i32 -29579071}
308 !1008 = !{!"branch_weights", i32 1, i32 226163}
309 !1009 = !{!"branch_weights", i32 58357, i32 226163}
310 !1010 = !{!"branch_weights", i32 -2072848646, i32 92907517}