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Finish off PR23080 by renaming the debug info IR constructs from `MD*` to `DI*`. The last of the `DIDescriptor` classes were deleted in r235356, and the last of the related typedefs removed in r235413, so this has all baked for about a week. Note: If you have out-of-tree code (like a frontend), I recommend that you get everything compiling and tests passing with the *previous* commit before updating to this one. It'll be easier to keep track of what code is using the `DIDescriptor` hierarchy and what you've already updated, and I think you're extremely unlikely to insert bugs. YMMV of course. Back to *this* commit: I did this using the rename-md-di-nodes.sh upgrade script I've attached to PR23080 (both code and testcases) and filtered through clang-format-diff.py. I edited the tests for test/Assembler/invalid-generic-debug-node-*.ll by hand since the columns were off-by-three. It should work on your out-of-tree testcases (and code, if you've followed the advice in the previous paragraph). Some of the tests are in badly named files now (e.g., test/Assembler/invalid-mdcompositetype-missing-tag.ll should be 'dicompositetype'); I'll come back and move the files in a follow-up commit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236120 91177308-0d34-0410-b5e6-96231b3b80d8
201 lines
9.0 KiB
LLVM
201 lines
9.0 KiB
LLVM
; RUN: llc -split-dwarf=Enable -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
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; RUN: llvm-dwarfdump %t | FileCheck %s
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; RUN: llvm-objdump -h %t | FileCheck --check-prefix=HDR %s
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; CHECK: .debug_info contents:
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; CHECK: DW_TAG_compile_unit
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; CHECK-NEXT: DW_AT_stmt_list
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; CHECK-NEXT: DW_AT_GNU_dwo_name
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; CHECK-NEXT: DW_AT_comp_dir
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; CHECK-NEXT: DW_AT_GNU_dwo_id
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; CHECK-NEXT: DW_AT_GNU_addr_base [DW_FORM_sec_offset] (0x00000000)
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; CHECK: .debug_info.dwo contents:
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; CHECK: DW_AT_location [DW_FORM_sec_offset] ([[A:0x[0-9a-z]*]])
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; CHECK: DW_AT_location [DW_FORM_sec_offset] ([[E:0x[0-9a-z]*]])
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; CHECK: DW_AT_location [DW_FORM_sec_offset] ([[B:0x[0-9a-z]*]])
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; CHECK: DW_AT_location [DW_FORM_sec_offset] ([[D:0x[0-9a-z]*]])
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; CHECK: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000
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; CHECK: .debug_loc contents:
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; CHECK-NOT: Beginning address offset
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; CHECK: .debug_loc.dwo contents:
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; Don't assume these locations are entirely correct - feel free to update them
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; if they've changed due to a bugfix, change in register allocation, etc.
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; CHECK: [[A]]: Beginning address index: 2
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; CHECK-NEXT: Length: 169
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; CHECK-NEXT: Location description: 11 00
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; CHECK-NEXT: {{^$}}
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; CHECK-NEXT: Beginning address index: 3
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; CHECK-NEXT: Length: 21
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; CHECK-NEXT: Location description: 50 93 04
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; CHECK: [[E]]: Beginning address index: 4
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; CHECK-NEXT: Length: 19
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; CHECK-NEXT: Location description: 50 93 04
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; CHECK: [[B]]: Beginning address index: 5
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; CHECK-NEXT: Length: 17
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; CHECK-NEXT: Location description: 50 93 04
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; CHECK: [[D]]: Beginning address index: 6
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; CHECK-NEXT: Length: 17
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; CHECK-NEXT: Location description: 50 93 04
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; Make sure we don't produce any relocations in any .dwo section (though in particular, debug_info.dwo)
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; HDR-NOT: .rela.{{.*}}.dwo
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; Make sure we have enough stuff in the debug_addr to cover the address indexes
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; (6 is the last index in debug_loc.dwo, making 7 entries of 8 bytes each, 7 * 8
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; == 56 base 10 == 38 base 16)
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; HDR: .debug_addr 00000038
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; HDR-NOT: .rela.{{.*}}.dwo
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; From the code:
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; extern int c;
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; static void foo (int p)
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; {
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; int a, b;
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; unsigned int d, e;
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; for (a = 0; a < 30; a++)
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; for (d = 0; d < 30; d++)
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; for (b = 0; b < 30; b++)
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; for (e = 0; e < 30; e++)
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; {
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; int *w = &c;
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; *w &= p;
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; }
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; }
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; void
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; bar ()
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; {
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; foo (1);
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; }
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; compiled with:
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; clang -g -S -gsplit-dwarf -O1 small.c
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@c = external global i32
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; Function Attrs: nounwind uwtable
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define void @bar() #0 {
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entry:
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tail call fastcc void @foo(), !dbg !27
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ret void, !dbg !28
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}
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; Function Attrs: nounwind uwtable
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define internal fastcc void @foo() #0 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 1, i64 0, metadata !13, metadata !DIExpression()), !dbg !30
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tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !14, metadata !DIExpression()), !dbg !31
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%c.promoted9 = load i32, i32* @c, align 4, !dbg !32, !tbaa !33
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br label %for.cond1.preheader, !dbg !31
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for.cond1.preheader: ; preds = %for.inc16, %entry
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%and.lcssa.lcssa.lcssa10 = phi i32 [ %c.promoted9, %entry ], [ %and, %for.inc16 ]
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%a.08 = phi i32 [ 0, %entry ], [ %inc17, %for.inc16 ]
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br label %for.cond4.preheader, !dbg !37
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for.cond4.preheader: ; preds = %for.inc13, %for.cond1.preheader
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%and.lcssa.lcssa7 = phi i32 [ %and.lcssa.lcssa.lcssa10, %for.cond1.preheader ], [ %and, %for.inc13 ]
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%d.06 = phi i32 [ 0, %for.cond1.preheader ], [ %inc14, %for.inc13 ]
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br label %for.cond7.preheader, !dbg !38
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for.cond7.preheader: ; preds = %for.inc10, %for.cond4.preheader
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%and.lcssa5 = phi i32 [ %and.lcssa.lcssa7, %for.cond4.preheader ], [ %and, %for.inc10 ]
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%b.03 = phi i32 [ 0, %for.cond4.preheader ], [ %inc11, %for.inc10 ]
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br label %for.body9, !dbg !39
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for.body9: ; preds = %for.body9, %for.cond7.preheader
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%and2 = phi i32 [ %and.lcssa5, %for.cond7.preheader ], [ %and, %for.body9 ], !dbg !40
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%e.01 = phi i32 [ 0, %for.cond7.preheader ], [ %inc, %for.body9 ]
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tail call void @llvm.dbg.value(metadata i32* @c, i64 0, metadata !19, metadata !DIExpression()), !dbg !40
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%and = and i32 %and2, 1, !dbg !32
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%inc = add i32 %e.01, 1, !dbg !39
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tail call void @llvm.dbg.value(metadata i32 %inc, i64 0, metadata !18, metadata !DIExpression()), !dbg !39
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%exitcond = icmp eq i32 %inc, 30, !dbg !39
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br i1 %exitcond, label %for.inc10, label %for.body9, !dbg !39
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for.inc10: ; preds = %for.body9
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%inc11 = add nsw i32 %b.03, 1, !dbg !38
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tail call void @llvm.dbg.value(metadata i32 %inc11, i64 0, metadata !15, metadata !DIExpression()), !dbg !38
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%exitcond11 = icmp eq i32 %inc11, 30, !dbg !38
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br i1 %exitcond11, label %for.inc13, label %for.cond7.preheader, !dbg !38
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for.inc13: ; preds = %for.inc10
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%inc14 = add i32 %d.06, 1, !dbg !37
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tail call void @llvm.dbg.value(metadata i32 %inc14, i64 0, metadata !16, metadata !DIExpression()), !dbg !37
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%exitcond12 = icmp eq i32 %inc14, 30, !dbg !37
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br i1 %exitcond12, label %for.inc16, label %for.cond4.preheader, !dbg !37
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for.inc16: ; preds = %for.inc13
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%inc17 = add nsw i32 %a.08, 1, !dbg !31
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tail call void @llvm.dbg.value(metadata i32 %inc17, i64 0, metadata !14, metadata !DIExpression()), !dbg !31
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%exitcond13 = icmp eq i32 %inc17, 30, !dbg !31
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br i1 %exitcond13, label %for.end18, label %for.cond1.preheader, !dbg !31
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for.end18: ; preds = %for.inc16
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store i32 %and, i32* @c, align 4, !dbg !32, !tbaa !33
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ret void, !dbg !42
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!26, !43}
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!0 = !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (trunk 191700) (llvm/trunk 191710)", isOptimized: true, splitDebugFilename: "small.dwo", emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "small.c", directory: "/usr/local/google/home/echristo/tmp")
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!2 = !{}
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!3 = !{!4, !8}
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!4 = !DISubprogram(name: "bar", line: 18, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 19, file: !1, scope: !5, type: !6, function: void ()* @bar, variables: !2)
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!5 = !DIFile(filename: "small.c", directory: "/usr/local/google/home/echristo/tmp")
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!6 = !DISubroutineType(types: !7)
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!7 = !{null}
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!8 = !DISubprogram(name: "foo", line: 2, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 3, file: !1, scope: !5, type: !9, function: void ()* @foo, variables: !12)
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!9 = !DISubroutineType(types: !10)
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!10 = !{null, !11}
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!11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!12 = !{!13, !14, !15, !16, !18, !19}
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!13 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "p", line: 2, arg: 1, scope: !8, file: !5, type: !11)
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!14 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "a", line: 4, scope: !8, file: !5, type: !11)
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!15 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 4, scope: !8, file: !5, type: !11)
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!16 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "d", line: 5, scope: !8, file: !5, type: !17)
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!17 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
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!18 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "e", line: 5, scope: !8, file: !5, type: !17)
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!19 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "w", line: 12, scope: !20, file: !5, type: !25)
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!20 = distinct !DILexicalBlock(line: 11, column: 0, file: !1, scope: !21)
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!21 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !22)
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!22 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !23)
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!23 = distinct !DILexicalBlock(line: 8, column: 0, file: !1, scope: !24)
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!24 = distinct !DILexicalBlock(line: 7, column: 0, file: !1, scope: !8)
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!25 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !11)
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!26 = !{i32 2, !"Dwarf Version", i32 4}
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!27 = !DILocation(line: 20, scope: !4)
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!28 = !DILocation(line: 21, scope: !4)
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!29 = !{i32 1}
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!30 = !DILocation(line: 2, scope: !8)
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!31 = !DILocation(line: 7, scope: !24)
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!32 = !DILocation(line: 13, scope: !20)
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!33 = !{!34, !34, i64 0}
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!34 = !{!"int", !35, i64 0}
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!35 = !{!"omnipotent char", !36, i64 0}
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!36 = !{!"Simple C/C++ TBAA"}
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!37 = !DILocation(line: 8, scope: !23)
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!38 = !DILocation(line: 9, scope: !22)
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!39 = !DILocation(line: 10, scope: !21)
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!40 = !DILocation(line: 12, scope: !20)
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!41 = !{i32* @c}
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!42 = !DILocation(line: 15, scope: !8)
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!43 = !{i32 1, !"Debug Info Version", i32 3}
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!44 = !{i32 0}
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