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1# RUN: llc -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck -check-prefix=GENERATE %s
2# RUN: llc -run-pass=livedebugvalues -march=x86-64 -o - %s | FileCheck -check-prefix=TERMINATE %s
3#
4# Check that spills are recognized in the Live Debug Values pass and that
5# DBG_VALUE instructions are generated to keep track of spilled user
6# variables.
7# In addition we check that the ranges of spilled debug values are properly
8# extended.
9#
10# Test case generated from:
11#
12# extern void use (int);
13# extern void set (int *, int *, int *);
14#
15# int glob0, glob1, glob2, glob3, glob4, glob5;
16#
17# void foo(int b0, int b1, int int0, int int1, int int2,
18#          int int3, int int4)
19# {
20#   int inta = glob0;
21#   int intb = glob1;
22#   int intc = glob2;
23#   int intd = glob3;
24#   int inte = glob4;
25#   int intf = glob5;
26#   int intg;
27#
28#   if (b0)
29#     return;
30#
31#   int0 += (int1 + int2 + int3) * int4;
32#   use(intf);
33#   use(inte);
34#
35#   if (b1) {
36#     set(&inte, &intf, &intg);
37#     int0 = (int1 + int2 + int3) * int4;
38#     inta = (intb*inte + intc*inte + intd) * inte;
39#   }
40#   int0 += int4 * inta;
41#   use(int0);
42# }
43#
44#
45# Generated with
46# clang -g -O2 -S -emit-llvm -fno-omit-frame-pointer spill1.c
47# llc -stop-after=funclet-layout < spill1.ll > spill1.mir
48#
49# Make sure that we generated DBG_VALUE instructions for the spills
50# GENERATE: ![[INT0:[0-9]+]] = !DILocalVariable(name: "int0",{{.*}})
51# GENERATE: ![[INTB:[0-9]+]] = !DILocalVariable(name: "intb",{{.*}})
52# GENERATE: ![[INTD:[0-9]+]] = !DILocalVariable(name: "intd",{{.*}})
53#
54# GENERATE:      bb.1.if.end:
55# GENERATE:      MOV32mr $rbp, 1, $noreg, -48, $noreg, killed $edx :: (store 4 into %stack.5)
56# GENERATE-NEXT: DBG_VALUE $rbp, 0, ![[INT0]], !DIExpression(DW_OP_constu, 48, DW_OP_minus)
57# GENERATE:      MOV32mr $rbp, 1, $noreg, -52, $noreg, killed $r8d :: (store 4 into %stack.4)
58# GENERATE-NEXT: DBG_VALUE $rbp, 0, ![[INTB]], !DIExpression(DW_OP_constu, 52, DW_OP_minus)
59# GENERATE:      MOV32mr $rbp, 1, $noreg, -56, $noreg, killed $esi :: (store 4 into %stack.3)
60# GENERATE-NEXT: DBG_VALUE $rbp, 0, ![[INTD]], !DIExpression(DW_OP_constu, 56, DW_OP_minus)
61#
62# Check that the spill locations that are valid at the end of bb.1.if.end are
63# propagated to subsequent BBs.
64#
65# GENERATE:      bb.2.if.then4:
66# GENERATE-NOT:  bb.3:
67# GENERATE-DAG:  DBG_VALUE $rbp, 0, ![[INTD]], !DIExpression(DW_OP_constu, 56, DW_OP_minus)
68# GENERATE-DAG:  DBG_VALUE $rbp, 0, ![[INTB]], !DIExpression(DW_OP_constu, 52, DW_OP_minus)
69#
70# GENERATE:      bb.3:
71# GENERATE-NOT:  bb.4.if.end13:
72# GENERATE-DAG:  DBG_VALUE $rbp, 0, ![[INTD]], !DIExpression(DW_OP_constu, 56, DW_OP_minus)
73# GENERATE-DAG:  DBG_VALUE $rbp, 0, ![[INTB]], !DIExpression(DW_OP_constu, 52, DW_OP_minus)
74#
75# GENERATE:      bb.4.if.end13:
76# GENERATE-NOT:  bb.5.cleanup:
77# GENERATE-DAG:  DBG_VALUE $rbp, 0, ![[INTD]], !DIExpression(DW_OP_constu, 56, DW_OP_minus)
78# GENERATE-DAG:  DBG_VALUE $rbp, 0, ![[INTB]], !DIExpression(DW_OP_constu, 52, DW_OP_minus)
79#
80# Check that the spill location rbp-48 (the variable int0) is not propagated
81# because int0 is redefined within the same basic block.
82#
83# TERMINATE:     bb.2.if.then4:
84# TERMINATE-NOT: DBG_VALUE $rbp, -48,
85--- |
86  ; ModuleID = '<stdin>'
87  source_filename = "spill1.c"
88  target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
89  target triple = "x86_64-unknown-linux-gnu"
90
91  @glob0 = common local_unnamed_addr global i32 0, align 4, !dbg !0
92  @glob1 = common local_unnamed_addr global i32 0, align 4, !dbg !6
93  @glob2 = common local_unnamed_addr global i32 0, align 4, !dbg !9
94  @glob3 = common local_unnamed_addr global i32 0, align 4, !dbg !11
95  @glob4 = common local_unnamed_addr global i32 0, align 4, !dbg !13
96  @glob5 = common local_unnamed_addr global i32 0, align 4, !dbg !15
97
98  ; Function Attrs: nounwind uwtable
99  define void @foo(i32 %b0, i32 %b1, i32 %int0, i32 %int1, i32 %int2, i32 %int3, i32 %int4) local_unnamed_addr #0 !dbg !20 {
100  entry:
101    %inte = alloca i32, align 4
102    %intf = alloca i32, align 4
103    %intg = alloca i32, align 4
104    tail call void @llvm.dbg.value(metadata i32 %b0, i64 0, metadata !24, metadata !38), !dbg !39
105    tail call void @llvm.dbg.value(metadata i32 %b1, i64 0, metadata !25, metadata !38), !dbg !40
106    tail call void @llvm.dbg.value(metadata i32 %int0, i64 0, metadata !26, metadata !38), !dbg !41
107    tail call void @llvm.dbg.value(metadata i32 %int1, i64 0, metadata !27, metadata !38), !dbg !42
108    tail call void @llvm.dbg.value(metadata i32 %int2, i64 0, metadata !28, metadata !38), !dbg !43
109    tail call void @llvm.dbg.value(metadata i32 %int3, i64 0, metadata !29, metadata !38), !dbg !44
110    tail call void @llvm.dbg.value(metadata i32 %int4, i64 0, metadata !30, metadata !38), !dbg !45
111    %0 = load i32, i32* @glob0, align 4, !dbg !46, !tbaa !47
112    tail call void @llvm.dbg.value(metadata i32 %0, i64 0, metadata !31, metadata !38), !dbg !51
113    %1 = load i32, i32* @glob1, align 4, !dbg !52, !tbaa !47
114    tail call void @llvm.dbg.value(metadata i32 %1, i64 0, metadata !32, metadata !38), !dbg !53
115    %2 = load i32, i32* @glob2, align 4, !dbg !54, !tbaa !47
116    tail call void @llvm.dbg.value(metadata i32 %2, i64 0, metadata !33, metadata !38), !dbg !55
117    %3 = load i32, i32* @glob3, align 4, !dbg !56, !tbaa !47
118    tail call void @llvm.dbg.value(metadata i32 %3, i64 0, metadata !34, metadata !38), !dbg !57
119    %4 = bitcast i32* %inte to i8*, !dbg !58
120    call void @llvm.lifetime.start(i64 4, i8* nonnull %4) #4, !dbg !58
121    %5 = load i32, i32* @glob4, align 4, !dbg !59, !tbaa !47
122    tail call void @llvm.dbg.value(metadata i32 %5, i64 0, metadata !35, metadata !38), !dbg !60
123    tail call void @llvm.dbg.value(metadata i32 %5, i64 0, metadata !35, metadata !38), !dbg !60
124    store i32 %5, i32* %inte, align 4, !dbg !60, !tbaa !47
125    %6 = bitcast i32* %intf to i8*, !dbg !61
126    call void @llvm.lifetime.start(i64 4, i8* nonnull %6) #4, !dbg !61
127    %7 = load i32, i32* @glob5, align 4, !dbg !62, !tbaa !47
128    tail call void @llvm.dbg.value(metadata i32 %7, i64 0, metadata !36, metadata !38), !dbg !63
129    tail call void @llvm.dbg.value(metadata i32 %7, i64 0, metadata !36, metadata !38), !dbg !63
130    store i32 %7, i32* %intf, align 4, !dbg !63, !tbaa !47
131    %8 = bitcast i32* %intg to i8*, !dbg !64
132    call void @llvm.lifetime.start(i64 4, i8* nonnull %8) #4, !dbg !64
133    %tobool = icmp eq i32 %b0, 0, !dbg !65
134    br i1 %tobool, label %if.end, label %cleanup, !dbg !67
135
136  if.end:                                           ; preds = %entry
137    %add = add nsw i32 %int2, %int1, !dbg !68
138    %add1 = add nsw i32 %add, %int3, !dbg !69
139    %mul = mul nsw i32 %add1, %int4, !dbg !70
140    call void @llvm.dbg.value(metadata i32 %mul, i64 0, metadata !26, metadata !38), !dbg !41
141    %add2 = add nsw i32 %mul, %int0, !dbg !71
142    tail call void @llvm.dbg.value(metadata i32 %add2, i64 0, metadata !26, metadata !38), !dbg !41
143    tail call void @use(i32 %7) #4, !dbg !72
144    tail call void @use(i32 %5) #4, !dbg !73
145    %tobool3 = icmp eq i32 %b1, 0, !dbg !74
146    br i1 %tobool3, label %if.end13, label %if.then4, !dbg !76
147
148  if.then4:                                         ; preds = %if.end
149    tail call void @llvm.dbg.value(metadata i32* %inte, i64 0, metadata !35, metadata !77), !dbg !60
150    tail call void @llvm.dbg.value(metadata i32* %intf, i64 0, metadata !36, metadata !77), !dbg !63
151    tail call void @llvm.dbg.value(metadata i32* %intg, i64 0, metadata !37, metadata !77), !dbg !78
152    call void @set(i32* nonnull %inte, i32* nonnull %intf, i32* nonnull %intg) #4, !dbg !79
153    %9 = load i32, i32* %inte, align 4, !dbg !81, !tbaa !47
154    call void @llvm.dbg.value(metadata i32 %9, i64 0, metadata !35, metadata !38), !dbg !60
155    %mul833 = add i32 %2, %1, !dbg !82
156    %add10 = mul i32 %9, %mul833, !dbg !82
157    %add11 = add nsw i32 %add10, %3, !dbg !83
158    %mul12 = mul nsw i32 %add11, %9, !dbg !84
159    call void @llvm.dbg.value(metadata i32 %mul12, i64 0, metadata !31, metadata !38), !dbg !51
160    br label %if.end13, !dbg !85
161
162  if.end13:                                         ; preds = %if.then4, %if.end
163    %inta.0 = phi i32 [ %mul12, %if.then4 ], [ %0, %if.end ]
164    %int0.addr.0 = phi i32 [ %mul, %if.then4 ], [ %add2, %if.end ]
165    call void @llvm.dbg.value(metadata i32 %inta.0, i64 0, metadata !31, metadata !38), !dbg !51
166    call void @llvm.dbg.value(metadata i32 %int0.addr.0, i64 0, metadata !26, metadata !38), !dbg !41
167    %mul14 = mul nsw i32 %inta.0, %int4, !dbg !86
168    %add15 = add nsw i32 %int0.addr.0, %mul14, !dbg !87
169    call void @llvm.dbg.value(metadata i32 %add15, i64 0, metadata !26, metadata !38), !dbg !41
170    call void @use(i32 %add15) #4, !dbg !88
171    br label %cleanup, !dbg !89
172
173  cleanup:                                          ; preds = %if.end13, %entry
174    %10 = bitcast i32* %intg to i8*
175    %11 = bitcast i32* %intf to i8*
176    %12 = bitcast i32* %inte to i8*
177    call void @llvm.lifetime.end(i64 4, i8* nonnull %10) #4, !dbg !89
178    call void @llvm.lifetime.end(i64 4, i8* nonnull %11) #4, !dbg !89
179    call void @llvm.lifetime.end(i64 4, i8* nonnull %12) #4, !dbg !89
180    ret void, !dbg !90
181  }
182
183  ; Function Attrs: argmemonly nounwind
184  declare void @llvm.lifetime.start(i64, i8* nocapture) #1
185
186  declare void @use(i32) local_unnamed_addr #2
187
188  declare void @set(i32*, i32*, i32*) local_unnamed_addr #2
189
190  ; Function Attrs: argmemonly nounwind
191  declare void @llvm.lifetime.end(i64, i8* nocapture) #1
192
193  ; Function Attrs: nounwind readnone
194  declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #3
195
196  ; Function Attrs: nounwind
197  declare void @llvm.stackprotector(i8*, i8**) #4
198
199  attributes #0 = { nounwind uwtable "frame-pointer"="non-leaf" }
200  attributes #1 = { argmemonly nounwind }
201  attributes #2 = { "frame-pointer"="non-leaf" }
202  attributes #3 = { nounwind readnone }
203  attributes #4 = { nounwind }
204
205  !llvm.dbg.cu = !{!2}
206  !llvm.module.flags = !{!17, !18}
207  !llvm.ident = !{!19}
208
209  !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
210  !1 = distinct !DIGlobalVariable(name: "glob0", scope: !2, file: !3, line: 4, type: !8, isLocal: false, isDefinition: true)
211  !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 5.0.0 (trunk 292962)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
212  !3 = !DIFile(filename: "spill1.c", directory: "/home/test")
213  !4 = !{}
214  !5 = !{!0, !6, !9, !11, !13, !15}
215  !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
216  !7 = distinct !DIGlobalVariable(name: "glob1", scope: !2, file: !3, line: 4, type: !8, isLocal: false, isDefinition: true)
217  !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
218  !9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression())
219  !10 = distinct !DIGlobalVariable(name: "glob2", scope: !2, file: !3, line: 4, type: !8, isLocal: false, isDefinition: true)
220  !11 = !DIGlobalVariableExpression(var: !12, expr: !DIExpression())
221  !12 = distinct !DIGlobalVariable(name: "glob3", scope: !2, file: !3, line: 4, type: !8, isLocal: false, isDefinition: true)
222  !13 = !DIGlobalVariableExpression(var: !14, expr: !DIExpression())
223  !14 = distinct !DIGlobalVariable(name: "glob4", scope: !2, file: !3, line: 4, type: !8, isLocal: false, isDefinition: true)
224  !15 = !DIGlobalVariableExpression(var: !16, expr: !DIExpression())
225  !16 = distinct !DIGlobalVariable(name: "glob5", scope: !2, file: !3, line: 4, type: !8, isLocal: false, isDefinition: true)
226  !17 = !{i32 2, !"Dwarf Version", i32 4}
227  !18 = !{i32 2, !"Debug Info Version", i32 3}
228  !19 = !{!"clang version 5.0.0 (trunk 292962)"}
229  !20 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 6, type: !21, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !23)
230  !21 = !DISubroutineType(types: !22)
231  !22 = !{null, !8, !8, !8, !8, !8, !8, !8}
232  !23 = !{!24, !25, !26, !27, !28, !29, !30, !31, !32, !33, !34, !35, !36, !37}
233  !24 = !DILocalVariable(name: "b0", arg: 1, scope: !20, file: !3, line: 6, type: !8)
234  !25 = !DILocalVariable(name: "b1", arg: 2, scope: !20, file: !3, line: 6, type: !8)
235  !26 = !DILocalVariable(name: "int0", arg: 3, scope: !20, file: !3, line: 6, type: !8)
236  !27 = !DILocalVariable(name: "int1", arg: 4, scope: !20, file: !3, line: 6, type: !8)
237  !28 = !DILocalVariable(name: "int2", arg: 5, scope: !20, file: !3, line: 6, type: !8)
238  !29 = !DILocalVariable(name: "int3", arg: 6, scope: !20, file: !3, line: 7, type: !8)
239  !30 = !DILocalVariable(name: "int4", arg: 7, scope: !20, file: !3, line: 7, type: !8)
240  !31 = !DILocalVariable(name: "inta", scope: !20, file: !3, line: 9, type: !8)
241  !32 = !DILocalVariable(name: "intb", scope: !20, file: !3, line: 10, type: !8)
242  !33 = !DILocalVariable(name: "intc", scope: !20, file: !3, line: 11, type: !8)
243  !34 = !DILocalVariable(name: "intd", scope: !20, file: !3, line: 12, type: !8)
244  !35 = !DILocalVariable(name: "inte", scope: !20, file: !3, line: 13, type: !8)
245  !36 = !DILocalVariable(name: "intf", scope: !20, file: !3, line: 14, type: !8)
246  !37 = !DILocalVariable(name: "intg", scope: !20, file: !3, line: 15, type: !8)
247  !38 = !DIExpression()
248  !39 = !DILocation(line: 6, column: 14, scope: !20)
249  !40 = !DILocation(line: 6, column: 22, scope: !20)
250  !41 = !DILocation(line: 6, column: 30, scope: !20)
251  !42 = !DILocation(line: 6, column: 40, scope: !20)
252  !43 = !DILocation(line: 6, column: 50, scope: !20)
253  !44 = !DILocation(line: 7, column: 14, scope: !20)
254  !45 = !DILocation(line: 7, column: 24, scope: !20)
255  !46 = !DILocation(line: 9, column: 14, scope: !20)
256  !47 = !{!48, !48, i64 0}
257  !48 = !{!"int", !49, i64 0}
258  !49 = !{!"omnipotent char", !50, i64 0}
259  !50 = !{!"Simple C/C++ TBAA"}
260  !51 = !DILocation(line: 9, column: 7, scope: !20)
261  !52 = !DILocation(line: 10, column: 14, scope: !20)
262  !53 = !DILocation(line: 10, column: 7, scope: !20)
263  !54 = !DILocation(line: 11, column: 14, scope: !20)
264  !55 = !DILocation(line: 11, column: 7, scope: !20)
265  !56 = !DILocation(line: 12, column: 14, scope: !20)
266  !57 = !DILocation(line: 12, column: 7, scope: !20)
267  !58 = !DILocation(line: 13, column: 3, scope: !20)
268  !59 = !DILocation(line: 13, column: 14, scope: !20)
269  !60 = !DILocation(line: 13, column: 7, scope: !20)
270  !61 = !DILocation(line: 14, column: 3, scope: !20)
271  !62 = !DILocation(line: 14, column: 14, scope: !20)
272  !63 = !DILocation(line: 14, column: 7, scope: !20)
273  !64 = !DILocation(line: 15, column: 3, scope: !20)
274  !65 = !DILocation(line: 17, column: 7, scope: !66)
275  !66 = distinct !DILexicalBlock(scope: !20, file: !3, line: 17, column: 7)
276  !67 = !DILocation(line: 17, column: 7, scope: !20)
277  !68 = !DILocation(line: 20, column: 17, scope: !20)
278  !69 = !DILocation(line: 20, column: 24, scope: !20)
279  !70 = !DILocation(line: 20, column: 32, scope: !20)
280  !71 = !DILocation(line: 20, column: 8, scope: !20)
281  !72 = !DILocation(line: 21, column: 3, scope: !20)
282  !73 = !DILocation(line: 22, column: 3, scope: !20)
283  !74 = !DILocation(line: 24, column: 7, scope: !75)
284  !75 = distinct !DILexicalBlock(scope: !20, file: !3, line: 24, column: 7)
285  !76 = !DILocation(line: 24, column: 7, scope: !20)
286  !77 = !DIExpression(DW_OP_deref)
287  !78 = !DILocation(line: 15, column: 7, scope: !20)
288  !79 = !DILocation(line: 25, column: 5, scope: !80)
289  !80 = distinct !DILexicalBlock(scope: !75, file: !3, line: 24, column: 11)
290  !81 = !DILocation(line: 27, column: 18, scope: !80)
291  !82 = !DILocation(line: 27, column: 23, scope: !80)
292  !83 = !DILocation(line: 27, column: 35, scope: !80)
293  !84 = !DILocation(line: 27, column: 43, scope: !80)
294  !85 = !DILocation(line: 28, column: 3, scope: !80)
295  !86 = !DILocation(line: 29, column: 16, scope: !20)
296  !87 = !DILocation(line: 29, column: 8, scope: !20)
297  !88 = !DILocation(line: 30, column: 3, scope: !20)
298  !89 = !DILocation(line: 31, column: 1, scope: !20)
299  !90 = !DILocation(line: 31, column: 1, scope: !91)
300  !91 = !DILexicalBlockFile(scope: !20, file: !3, discriminator: 2)
301
302...
303---
304name:            foo
305alignment:       16
306exposesReturnsTwice: false
307legalized:       false
308regBankSelected: false
309selected:        false
310tracksRegLiveness: true
311liveins:
312  - { reg: '$edi' }
313  - { reg: '$esi' }
314  - { reg: '$edx' }
315  - { reg: '$ecx' }
316  - { reg: '$r8d' }
317  - { reg: '$r9d' }
318calleeSavedRegisters: [ '$bh', '$bl', '$bp', '$bpl', '$bx', '$ebp', '$ebx',
319                        '$rbp', '$rbx', '$r12', '$r13', '$r14', '$r15',
320                        '$r12b', '$r13b', '$r14b', '$r15b', '$r12d', '$r13d',
321                        '$r14d', '$r15d', '$r12w', '$r13w', '$r14w', '$r15w' ]
322frameInfo:
323  isFrameAddressTaken: false
324  isReturnAddressTaken: false
325  hasStackMap:     false
326  hasPatchPoint:   false
327  stackSize:       72
328  offsetAdjustment: -24
329  maxAlignment:    8
330  adjustsStack:    true
331  hasCalls:        true
332  maxCallFrameSize: 0
333  hasOpaqueSPAdjustment: false
334  hasVAStart:      false
335  hasMustTailInVarArgFunc: false
336fixedStack:
337  - { id: 0, type: spill-slot, offset: -56, size: 8, alignment: 8, callee-saved-register: '$rbx' }
338  - { id: 1, type: spill-slot, offset: -48, size: 8, alignment: 16, callee-saved-register: '$r12' }
339  - { id: 2, type: spill-slot, offset: -40, size: 8, alignment: 8, callee-saved-register: '$r13' }
340  - { id: 3, type: spill-slot, offset: -32, size: 8, alignment: 16, callee-saved-register: '$r14' }
341  - { id: 4, type: spill-slot, offset: -24, size: 8, alignment: 8, callee-saved-register: '$r15' }
342  - { id: 5, type: spill-slot, offset: -16, size: 8, alignment: 16 }
343  - { id: 6, offset: 0, size: 4, alignment: 16, isImmutable: true, isAliased: false }
344stack:
345  - { id: 0, name: inte, offset: -60, size: 4, alignment: 4 }
346  - { id: 1, name: intf, offset: -76, size: 4, alignment: 4 }
347  - { id: 2, name: intg, offset: -80, size: 4, alignment: 4 }
348  - { id: 3, type: spill-slot, offset: -72, size: 4, alignment: 4 }
349  - { id: 4, type: spill-slot, offset: -68, size: 4, alignment: 4 }
350  - { id: 5, type: spill-slot, offset: -64, size: 4, alignment: 4 }
351body:             |
352  bb.0.entry:
353    successors: %bb.1.if.end(0x30000000), %bb.5.cleanup(0x50000000)
354    liveins: $ecx, $edi, $edx, $esi, $r8d, $r9d, $r15, $r14, $r13, $r12, $rbx, $rbp
355
356    frame-setup PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp
357    CFI_INSTRUCTION def_cfa_offset 16
358    CFI_INSTRUCTION offset $rbp, -16
359    $rbp = frame-setup MOV64rr $rsp
360    CFI_INSTRUCTION def_cfa_register $rbp
361    frame-setup PUSH64r killed $r15, implicit-def $rsp, implicit $rsp
362    frame-setup PUSH64r killed $r14, implicit-def $rsp, implicit $rsp
363    frame-setup PUSH64r killed $r13, implicit-def $rsp, implicit $rsp
364    frame-setup PUSH64r killed $r12, implicit-def $rsp, implicit $rsp
365    frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp
366    $rsp = frame-setup SUB64ri8 $rsp, 24, implicit-def dead $eflags
367    CFI_INSTRUCTION offset $rbx, -56
368    CFI_INSTRUCTION offset $r12, -48
369    CFI_INSTRUCTION offset $r13, -40
370    CFI_INSTRUCTION offset $r14, -32
371    CFI_INSTRUCTION offset $r15, -24
372    DBG_VALUE $edi, _, !24, !38, debug-location !39
373    DBG_VALUE $esi, _, !25, !38, debug-location !40
374    DBG_VALUE $edx, _, !26, !38, debug-location !41
375    DBG_VALUE $ecx, _, !27, !38, debug-location !42
376    DBG_VALUE $r8d, _, !28, !38, debug-location !43
377    DBG_VALUE $r9d, _, !29, !38, debug-location !44
378    $r14d = MOV32rr $r8d
379    DBG_VALUE $r14d, _, !28, !38, debug-location !43
380    $r12d = MOV32rr $esi
381    DBG_VALUE $r12d, _, !25, !38, debug-location !40
382    $eax = MOV32rr $edi
383    DBG_VALUE $eax, _, !24, !38, debug-location !39
384    $r13d = MOV32rm $rip, 1, _, @glob0, _, debug-location !46 :: (dereferenceable load 4 from @glob0, !tbaa !47)
385    DBG_VALUE $r13d, _, !31, !38, debug-location !51
386    $r8d = MOV32rm $rip, 1, _, @glob1, _, debug-location !52 :: (dereferenceable load 4 from @glob1, !tbaa !47)
387    DBG_VALUE $r8d, _, !32, !38, debug-location !53
388    $r15d = MOV32rm $rip, 1, _, @glob2, _, debug-location !54 :: (dereferenceable load 4 from @glob2, !tbaa !47)
389    DBG_VALUE $r15d, _, !33, !38, debug-location !55
390    $esi = MOV32rm $rip, 1, _, @glob3, _, debug-location !56 :: (dereferenceable load 4 from @glob3, !tbaa !47)
391    DBG_VALUE $esi, _, !34, !38, debug-location !57
392    $ebx = MOV32rm $rip, 1, _, @glob4, _, debug-location !59 :: (dereferenceable load 4 from @glob4, !tbaa !47)
393    DBG_VALUE $ebx, _, !35, !38, debug-location !60
394    MOV32mr $rbp, 1, _, -44, _, $ebx, debug-location !60 :: (store 4 into %ir.inte, !tbaa !47)
395    $edi = MOV32rm $rip, 1, _, @glob5, _, debug-location !62 :: (dereferenceable load 4 from @glob5, !tbaa !47)
396    DBG_VALUE $edi, _, !36, !38, debug-location !63
397    MOV32mr $rbp, 1, _, -60, _, $edi, debug-location !63 :: (store 4 into %ir.intf, !tbaa !47)
398    TEST32rr killed $eax, $eax, implicit-def $eflags, debug-location !67
399    JCC_1 %bb.5.cleanup, 5, implicit $eflags
400
401  bb.1.if.end:
402    successors: %bb.2(0x30000000), %bb.3.if.then4(0x50000000)
403    liveins: $ebx, $ecx, $edi, $edx, $esi, $r8d, $r9d, $r12d, $r13d, $r14d, $r15d, $rbp
404
405    MOV32mr $rbp, 1, _, -48, _, killed $edx :: (store 4 into %stack.5)
406    MOV32mr $rbp, 1, _, -52, _, killed $r8d :: (store 4 into %stack.4)
407    MOV32mr $rbp, 1, _, -56, _, killed $esi :: (store 4 into %stack.3)
408    DBG_VALUE _, _, !30, !38, debug-location !45
409    $r14d = ADD32rr killed $r14d, killed $ecx, implicit-def dead $eflags, debug-location !68
410    $r14d = ADD32rr killed $r14d, killed $r9d, implicit-def dead $eflags, debug-location !69
411    $r14d = IMUL32rm killed $r14d, $rbp, 1, _, 16, _, implicit-def dead $eflags, debug-location !70 :: (load 4 from %fixed-stack.6, align 16)
412    DBG_VALUE $r14d, _, !26, !38, debug-location !41
413    CALL64pcrel32 @use, csr_64, implicit $rsp, implicit $edi, implicit-def $rsp, debug-location !72
414    $edi = MOV32rr killed $ebx, debug-location !73
415    CALL64pcrel32 @use, csr_64, implicit $rsp, implicit $edi, implicit-def $rsp, debug-location !73
416    TEST32rr killed $r12d, $r12d, implicit-def $eflags, debug-location !74
417    JCC_1 %bb.2, 4, implicit $eflags
418
419  bb.3.if.then4:
420    successors: %bb.4.if.end13(0x80000000)
421    liveins: $r14d, $r15d, $rbp
422
423    $rdi = LEA64r $rbp, 1, _, -44, _
424    DBG_VALUE $rbp, -44, !35, !38, debug-location !60
425    $rsi = LEA64r $rbp, 1, _, -60, _
426    DBG_VALUE $rbp, -60, !36, !38, debug-location !63
427    $rdx = LEA64r $rbp, 1, _, -64, _
428    DBG_VALUE $rbp, -64, !37, !38, debug-location !78
429    CALL64pcrel32 @set, csr_64, implicit $rsp, implicit $rdi, implicit $rsi, implicit $rdx, implicit-def $rsp, debug-location !79
430    $eax = MOV32rm $rbp, 1, _, -44, _, debug-location !81 :: (dereferenceable load 4 from %ir.inte, !tbaa !47)
431    DBG_VALUE $eax, _, !35, !38, debug-location !60
432    $r15d = ADD32rm killed $r15d, $rbp, 1, _, -52, _, implicit-def dead $eflags, debug-location !82 :: (load 4 from %stack.4)
433    $r15d = IMUL32rr killed $r15d, $eax, implicit-def dead $eflags, debug-location !82
434    $r15d = ADD32rm killed $r15d, $rbp, 1, _, -56, _, implicit-def dead $eflags, debug-location !83 :: (load 4 from %stack.3)
435    $r15d = IMUL32rr killed $r15d, killed $eax, implicit-def dead $eflags, debug-location !84
436    DBG_VALUE $r15d, _, !31, !38, debug-location !51
437    $r13d = MOV32rr killed $r15d
438    DBG_VALUE $r13d, _, !31, !38, debug-location !51
439    JMP_1 %bb.4.if.end13
440
441  bb.2:
442    successors: %bb.4.if.end13(0x80000000)
443    liveins: $r13d, $r14d, $rbp
444
445    $r14d = ADD32rm killed $r14d, $rbp, 1, _, -48, _, implicit-def dead $eflags, debug-location !71 :: (load 4 from %stack.5)
446    DBG_VALUE $r14d, _, !26, !38, debug-location !41
447
448  bb.4.if.end13:
449    successors: %bb.5.cleanup(0x80000000)
450    liveins: $r13d, $r14d, $rbp
451
452    DBG_VALUE $r14d, _, !26, !38, debug-location !41
453    DBG_VALUE $r13d, _, !31, !38, debug-location !51
454    $r13d = IMUL32rm killed $r13d, $rbp, 1, _, 16, _, implicit-def dead $eflags, debug-location !86 :: (load 4 from %fixed-stack.6, align 16)
455    $r13d = ADD32rr killed $r13d, killed $r14d, implicit-def dead $eflags, debug-location !87
456    DBG_VALUE $r13d, _, !26, !38, debug-location !41
457    $edi = MOV32rr killed $r13d, debug-location !88
458    CALL64pcrel32 @use, csr_64, implicit $rsp, implicit $edi, implicit-def $rsp, debug-location !88
459
460  bb.5.cleanup:
461    liveins: $rbp
462
463    $rsp = ADD64ri8 $rsp, 24, implicit-def dead $eflags, debug-location !90
464    $rbx = POP64r implicit-def $rsp, implicit $rsp, debug-location !90
465    $r12 = POP64r implicit-def $rsp, implicit $rsp, debug-location !90
466    $r13 = POP64r implicit-def $rsp, implicit $rsp, debug-location !90
467    $r14 = POP64r implicit-def $rsp, implicit $rsp, debug-location !90
468    $r15 = POP64r implicit-def $rsp, implicit $rsp, debug-location !90
469    $rbp = POP64r implicit-def $rsp, implicit $rsp, debug-location !90
470    RETQ debug-location !90
471
472...
473