7babf22461
Flow blocks are generated code that don't really correspond to any location in the source, so principally they should have empty DebugLocs. Practically, setting these debug locs leads to redundant is_stmts being generated after #108251, causing stepping test failures in the ROCm GDB test suite. Fixes SWDEV-502134
203 lines
7.0 KiB
LLVM
203 lines
7.0 KiB
LLVM
; RUN: opt -S -o - -structurizecfg %s | FileCheck %s
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define void @if_then_else(ptr addrspace(1) %out, i1 %arg) !dbg !7 {
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; CHECK: @if_then_else(
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; CHECK: entry:
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; CHECK: br i1 {{.*}}, label %if.else, label %Flow, !dbg [[ITE_ENTRY_DL:![0-9]+]]
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; CHECK: Flow:
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; CHECK: br i1 {{.*}}, label %if.then, label %exit
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; CHECK: if.then:
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; CHECK: br label %exit, !dbg [[ITE_IFTHEN_DL:![0-9]+]]
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; CHECK: if.else:
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; CHECK: br label %Flow, !dbg [[ITE_IFELSE_DL:![0-9]+]]
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; CHECK: exit:
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;
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entry:
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br i1 %arg, label %if.then, label %if.else, !dbg !8
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if.then:
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store i32 0, ptr addrspace(1) %out, !dbg !9
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br label %exit, !dbg !10
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if.else:
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store i32 1, ptr addrspace(1) %out, !dbg !11
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br label %exit, !dbg !12
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exit:
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ret void, !dbg !13
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}
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define void @while_loop(ptr addrspace(1) %out) !dbg !14 {
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; CHECK: @while_loop(
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; CHECK: entry:
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; CHECK: br label %while.header, !dbg [[WHILE_ENTRY_DL:![0-9]+]]
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; CHECK: while.header:
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; CHECK: br i1 {{.*}}, label %while.body, label %Flow, !dbg [[WHILE_HEADER_DL:![0-9]+]]
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; CHECK: while.body:
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; CHECK: br label %Flow, !dbg [[WHILE_BODY_DL:![0-9]+]]
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; CHECK: Flow:
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; CHECK: br i1 {{.*}}, label %exit, label %while.header
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; CHECK: exit:
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;
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entry:
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br label %while.header, !dbg !15
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while.header:
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%cond = call i1 @loop_condition(), !dbg !16
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br i1 %cond, label %while.body, label %exit, !dbg !17
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while.body:
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store i32 1, ptr addrspace(1) %out, !dbg !18
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br label %while.header, !dbg !19
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exit:
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ret void, !dbg !20
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}
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define void @while_multiple_exits(ptr addrspace(1) %out) !dbg !21 {
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; CHECK: @while_multiple_exits(
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; CHECK: entry:
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; CHECK: br label %while.header, !dbg [[WHILEME_ENTRY_DL:![0-9]+]]
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; CHECK: while.header:
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; CHECK: br i1 {{.*}}, label %while.exiting, label %Flow, !dbg [[WHILEME_HEADER_DL:![0-9]+]]
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; CHECK: while.exiting:
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; CHECK: br label %Flow, !dbg [[WHILEME_EXITING_DL:![0-9]+]]
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; CHECK: Flow:
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; CHECK: br i1 {{.*}}, label %exit, label %while.header
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; CHECK: exit:
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;
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entry:
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br label %while.header, !dbg !22
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while.header:
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%cond0 = call i1 @loop_condition(), !dbg !23
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br i1 %cond0, label %while.exiting, label %exit, !dbg !24
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while.exiting:
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%cond1 = call i1 @loop_condition(), !dbg !25
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br i1 %cond1, label %while.header, label %exit, !dbg !26
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exit:
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ret void, !dbg !27
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}
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define void @nested_if_then_else(ptr addrspace(1) %out, i1 %a, i1 %b) !dbg !28 {
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; CHECK: @nested_if_then_else(
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; CHECK: entry:
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; CHECK: br i1 {{.*}}, label %if.else, label %Flow4, !dbg [[NESTED_ENTRY_DL:![0-9]+]]
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; CHECK: Flow4:
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; CHECK: br i1 {{.*}}, label %if.then, label %exit
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; CHECK: if.then:
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; CHECK: br i1 {{.*}}, label %if.then.else, label %Flow2, !dbg [[NESTED_IFTHEN_DL:![0-9]+]]
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; CHECK: Flow2:
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; CHECK: br i1 {{.*}}, label %if.then.then, label %Flow3
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; CHECK: if.then.then:
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; CHECK: br label %Flow3, !dbg [[NESTED_IFTHENTHEN_DL:![0-9]+]]
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; CHECK: if.then.else:
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; CHECK: br label %Flow2, !dbg [[NESTED_IFTHENELSE_DL:![0-9]+]]
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; CHECK: if.else:
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; CHECK: br i1 {{.*}}, label %if.else.else, label %Flow, !dbg [[NESTED_IFELSE_DL:![0-9]+]]
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; CHECK: Flow:
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; CHECK: br i1 {{.*}}, label %if.else.then, label %Flow1
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; CHECK: if.else.then:
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; CHECK: br label %Flow1, !dbg [[NESTED_IFELSETHEN_DL:![0-9]+]]
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; CHECK: if.else.else:
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; CHECK: br label %Flow, !dbg [[NESTED_IFELSEELSE_DL:![0-9]+]]
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; CHECK: Flow1:
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; CHECK: br label %Flow4
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; CHECK: Flow3:
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; CHECK: br label %exit
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; CHECK: exit:
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;
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entry:
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br i1 %a, label %if.then, label %if.else, !dbg !29
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if.then:
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br i1 %b, label %if.then.then, label %if.then.else, !dbg !30
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if.then.then:
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store i32 0, ptr addrspace(1) %out, !dbg !31
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br label %exit, !dbg !32
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if.then.else:
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store i32 1, ptr addrspace(1) %out, !dbg !33
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br label %exit, !dbg !34
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if.else:
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br i1 %b, label %if.else.then, label %if.else.else, !dbg !35
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if.else.then:
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store i32 2, ptr addrspace(1) %out, !dbg !36
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br label %exit, !dbg !37
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if.else.else:
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store i32 3, ptr addrspace(1) %out, !dbg !38
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br label %exit, !dbg !39
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exit:
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ret void, !dbg !40
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}
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declare i1 @loop_condition()
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!4, !5}
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; CHECK: [[ITE_ENTRY_DL]] = !DILocation(line: 2
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; CHECK: [[ITE_IFTHEN_DL]] = !DILocation(line: 4
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; CHECK: [[ITE_IFELSE_DL]] = !DILocation(line: 6
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; CHECK: [[WHILE_ENTRY_DL]] = !DILocation(line: 2
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; CHECK: [[WHILE_HEADER_DL]] = !DILocation(line: 4
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; CHECK: [[WHILE_BODY_DL]] = !DILocation(line: 6
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; CHECK: [[WHILEME_ENTRY_DL]] = !DILocation(line: 2
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; CHECK: [[WHILEME_HEADER_DL]] = !DILocation(line: 4
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; CHECK: [[WHILEME_EXITING_DL]] = !DILocation(line: 6
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; CHECK: [[NESTED_ENTRY_DL]] = !DILocation(line: 2
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; CHECK: [[NESTED_IFTHEN_DL]] = !DILocation(line: 3
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; CHECK: [[NESTED_IFTHENTHEN_DL]] = !DILocation(line: 5
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; CHECK: [[NESTED_IFTHENELSE_DL]] = !DILocation(line: 7
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; CHECK: [[NESTED_IFELSE_DL]] = !DILocation(line: 8
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; CHECK: [[NESTED_IFELSETHEN_DL]] = !DILocation(line: 10
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; CHECK: [[NESTED_IFELSEELSE_DL]] = !DILocation(line: 12
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!0 = !{}
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!1 = !DIFile(filename: "dummy.ll", directory: "/some/random/directory")
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !0)
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!4 = !{i32 2, !"Dwarf Version", i32 5}
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!5 = !{i32 2, !"Debug Info Version", i32 3}
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!6 = !DISubroutineType(types: !0)
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!7 = distinct !DISubprogram(name: "dummy", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !2, retainedNodes: !0)
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!8 = !DILocation(line: 2, scope: !7)
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!9 = !DILocation(line: 3, scope: !7)
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!10 = !DILocation(line: 4, scope: !7)
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!11 = !DILocation(line: 5, scope: !7)
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!12 = !DILocation(line: 6, scope: !7)
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!13 = !DILocation(line: 7, scope: !7)
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!14 = distinct !DISubprogram(name: "dummy", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !2, retainedNodes: !0)
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!15 = !DILocation(line: 2, scope: !14)
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!16 = !DILocation(line: 3, scope: !14)
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!17 = !DILocation(line: 4, scope: !14)
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!18 = !DILocation(line: 5, scope: !14)
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!19 = !DILocation(line: 6, scope: !14)
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!20 = !DILocation(line: 7, scope: !14)
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!21 = distinct !DISubprogram(name: "dummy", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !2, retainedNodes: !0)
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!22 = !DILocation(line: 2, scope: !21)
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!23 = !DILocation(line: 3, scope: !21)
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!24 = !DILocation(line: 4, scope: !21)
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!25 = !DILocation(line: 5, scope: !21)
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!26 = !DILocation(line: 6, scope: !21)
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!27 = !DILocation(line: 7, scope: !21)
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!28 = distinct !DISubprogram(name: "dummy", scope: !1, file: !1, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !2, retainedNodes: !0)
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!29 = !DILocation(line: 2, scope: !28)
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!30 = !DILocation(line: 3, scope: !28)
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!31 = !DILocation(line: 4, scope: !28)
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!32 = !DILocation(line: 5, scope: !28)
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!33 = !DILocation(line: 6, scope: !28)
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!34 = !DILocation(line: 7, scope: !28)
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!35 = !DILocation(line: 8, scope: !28)
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!36 = !DILocation(line: 9, scope: !28)
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!37 = !DILocation(line: 10, scope: !28)
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!38 = !DILocation(line: 11, scope: !28)
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!39 = !DILocation(line: 12, scope: !28)
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!40 = !DILocation(line: 13, scope: !28)
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