reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
  161
  162
  163
  164
  165
  166
  167
  168
  169
  170
  171
  172
  173
  174
  175
  176
  177
  178
  179
  180
  181
  182
  183
  184
  185
  186
  187
  188
  189
  190
; RUN: llvm-dis %s.bc -o - | FileCheck %s
; ModuleID = 'DILocation-implicit-code.cpp'
source_filename = "DILocation-implicit-code.cpp"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.A = type { i8 }

$_ZN1AC2Ev = comdat any

$_ZN1A3fooEi = comdat any

@_ZTIi = external dso_local constant i8*

; Function Attrs: noinline optnone uwtable
define dso_local void @_Z5test1v() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !7 {
entry:
  %retval = alloca %struct.A, align 1
  %a = alloca %struct.A, align 1
  %exn.slot = alloca i8*
  %ehselector.slot = alloca i32
  %undef.agg.tmp = alloca %struct.A, align 1
  %e = alloca i32, align 4
  %undef.agg.tmp3 = alloca %struct.A, align 1
  call void @_ZN1AC2Ev(%struct.A* %a), !dbg !9
  invoke void @_ZN1A3fooEi(%struct.A* %a, i32 0)
          to label %invoke.cont unwind label %lpad, !dbg !10

invoke.cont:                                      ; preds = %entry
  br label %return, !dbg !11

lpad:                                             ; preds = %entry
  %0 = landingpad { i8*, i32 }
          catch i8* bitcast (i8** @_ZTIi to i8*), !dbg !12
  %1 = extractvalue { i8*, i32 } %0, 0, !dbg !12
  store i8* %1, i8** %exn.slot, align 8, !dbg !12
  %2 = extractvalue { i8*, i32 } %0, 1, !dbg !12
  store i32 %2, i32* %ehselector.slot, align 4, !dbg !12
  br label %catch.dispatch, !dbg !12

catch.dispatch:                                   ; preds = %lpad
  %sel = load i32, i32* %ehselector.slot, align 4, !dbg !13
  %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #4, !dbg !13
  %matches = icmp eq i32 %sel, %3, !dbg !13
  br i1 %matches, label %catch, label %eh.resume, !dbg !13

catch:                                            ; preds = %catch.dispatch
  %exn = load i8*, i8** %exn.slot, align 8, !dbg !13
  %4 = call i8* @__cxa_begin_catch(i8* %exn) #4, !dbg !13
  %5 = bitcast i8* %4 to i32*, !dbg !13
  %6 = load i32, i32* %5, align 4, !dbg !13
  store i32 %6, i32* %e, align 4, !dbg !13
  %7 = load i32, i32* %e, align 4, !dbg !14
  invoke void @_ZN1A3fooEi(%struct.A* %a, i32 %7)
          to label %invoke.cont2 unwind label %lpad1, !dbg !15

invoke.cont2:                                     ; preds = %catch
  call void @__cxa_end_catch() #4, !dbg !16
  br label %return

lpad1:                                            ; preds = %catch
  %8 = landingpad { i8*, i32 }
          cleanup, !dbg !12
  %9 = extractvalue { i8*, i32 } %8, 0, !dbg !12
  store i8* %9, i8** %exn.slot, align 8, !dbg !12
  %10 = extractvalue { i8*, i32 } %8, 1, !dbg !12
  store i32 %10, i32* %ehselector.slot, align 4, !dbg !12
  call void @__cxa_end_catch() #4, !dbg !16
  br label %eh.resume, !dbg !16

try.cont:                                         ; No predecessors!
  call void @llvm.trap(), !dbg !16
  unreachable, !dbg !16

return:                                           ; preds = %invoke.cont2, %invoke.cont
  ret void, !dbg !12

eh.resume:                                        ; preds = %lpad1, %catch.dispatch
  %exn4 = load i8*, i8** %exn.slot, align 8, !dbg !13
  %sel5 = load i32, i32* %ehselector.slot, align 4, !dbg !13
  %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn4, 0, !dbg !13
  %lpad.val6 = insertvalue { i8*, i32 } %lpad.val, i32 %sel5, 1, !dbg !13
  resume { i8*, i32 } %lpad.val6, !dbg !13
}

; Function Attrs: noinline nounwind optnone uwtable
define linkonce_odr dso_local void @_ZN1AC2Ev(%struct.A* %this) unnamed_addr #1 comdat align 2 !dbg !17 {
entry:
  %this.addr = alloca %struct.A*, align 8
  store %struct.A* %this, %struct.A** %this.addr, align 8
  %this1 = load %struct.A*, %struct.A** %this.addr, align 8
  ret void, !dbg !18
}

; Function Attrs: noinline optnone uwtable
define linkonce_odr dso_local void @_ZN1A3fooEi(%struct.A* %this, i32 %i) #0 comdat align 2 !dbg !19 {
entry:
  %retval = alloca %struct.A, align 1
  %this.addr = alloca %struct.A*, align 8
  %i.addr = alloca i32, align 4
  store %struct.A* %this, %struct.A** %this.addr, align 8
  store i32 %i, i32* %i.addr, align 4
  %this1 = load %struct.A*, %struct.A** %this.addr, align 8
  %0 = load i32, i32* %i.addr, align 4, !dbg !20
  %cmp = icmp eq i32 %0, 0, !dbg !21
  br i1 %cmp, label %if.then, label %if.end, !dbg !20

if.then:                                          ; preds = %entry
  %exception = call i8* @__cxa_allocate_exception(i64 4) #4, !dbg !22
  %1 = bitcast i8* %exception to i32*, !dbg !22
  store i32 1, i32* %1, align 16, !dbg !22
  call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) #5, !dbg !22
  unreachable, !dbg !22

if.end:                                           ; preds = %entry
  ret void, !dbg !23
}

declare dso_local i32 @__gxx_personality_v0(...)

; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(i8*) #2

declare dso_local i8* @__cxa_begin_catch(i8*)

declare dso_local void @__cxa_end_catch()

; Function Attrs: noreturn nounwind
declare void @llvm.trap() #3

; Function Attrs: noinline optnone uwtable
define dso_local void @_Z5test2v() #0 !dbg !24 {
entry:
  %a = alloca %struct.A, align 1
  %b = alloca %struct.A, align 1
  %undef.agg.tmp = alloca %struct.A, align 1
  call void @_ZN1AC2Ev(%struct.A* %a), !dbg !25
  call void @_ZN1A3fooEi(%struct.A* %a, i32 1), !dbg !26
  ret void, !dbg !27
}

declare dso_local i8* @__cxa_allocate_exception(i64)

declare dso_local void @__cxa_throw(i8*, i8*, i8*)

attributes #0 = { noinline optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "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-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "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-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #2 = { nounwind readnone }
attributes #3 = { noreturn nounwind }
attributes #4 = { nounwind }
attributes #5 = { noreturn }

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}
!llvm.ident = !{!6}

; CHECK: !DILocation(line: 20, column: 1, scope: !{{[0-9]+}}, isImplicitCode: true)
; CHECK: !DILocation(line: 17, column: 5, scope: !{{[0-9]+}}, isImplicitCode: true)
; CHECK: !DILocation(line: 19, column: 5, scope: !{{[0-9]+}}, isImplicitCode: true)
; CHECK: !DILocation(line: 3, column: 10, scope: !{{[0-9]+}}, isImplicitCode: true)
; CHECK: !DILocation(line: 25, column: 1, scope: !{{[0-9]+}}, isImplicitCode: true)

!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 8.0.0 (trunk 342445)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, nameTableKind: None)
!1 = !DIFile(filename: "DILocation-implicit-code.cpp", directory: "/tmp")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!6 = !{!"clang version 8.0.0 (trunk 342445)"}
!7 = distinct !DISubprogram(name: "test1", scope: !1, file: !1, line: 13, type: !8, isLocal: false, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!8 = !DISubroutineType(types: !2)
!9 = !DILocation(line: 14, column: 7, scope: !7)
!10 = !DILocation(line: 16, column: 18, scope: !7)
!11 = !DILocation(line: 16, column: 9, scope: !7)
!12 = !DILocation(line: 20, column: 1, scope: !7, isImplicitCode: true)
!13 = !DILocation(line: 17, column: 5, scope: !7, isImplicitCode: true)
!14 = !DILocation(line: 18, column: 22, scope: !7)
!15 = !DILocation(line: 18, column: 18, scope: !7)
!16 = !DILocation(line: 19, column: 5, scope: !7, isImplicitCode: true)
!17 = distinct !DISubprogram(name: "A", scope: !1, file: !1, line: 3, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!18 = !DILocation(line: 3, column: 10, scope: !17, isImplicitCode: true)
!19 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 4, type: !8, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!20 = !DILocation(line: 5, column: 13, scope: !19)
!21 = !DILocation(line: 5, column: 15, scope: !19)
!22 = !DILocation(line: 6, column: 13, scope: !19)
!23 = !DILocation(line: 9, column: 9, scope: !19)
!24 = distinct !DISubprogram(name: "test2", scope: !1, file: !1, line: 22, type: !8, isLocal: false, isDefinition: true, scopeLine: 22, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!25 = !DILocation(line: 23, column: 7, scope: !24)
!26 = !DILocation(line: 24, column: 13, scope: !24)
!27 = !DILocation(line: 25, column: 1, scope: !24, isImplicitCode: true)