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fa0cbe2343
The patch fixes calculating the size of the table and emitting the fields which depend on the DWARF format by using methods that choose appropriate sizes automatically. Differential Revision: https://reviews.llvm.org/D87012
40 lines
1.5 KiB
LLVM
40 lines
1.5 KiB
LLVM
; This checks that .debug_aranges can be generated in the DWARF64 format.
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; RUN: llc -mtriple=x86_64 -dwarf64 -generate-arange-section -filetype=obj %s -o %t
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; RUN: llvm-dwarfdump -debug-aranges %t | FileCheck %s
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; CHECK: .debug_aranges contents:
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; CHECK-NEXT: Address Range Header:
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; CHECK-SAME: length = 0x0000000000000034,
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; CHECK-SAME: format = DWARF64,
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; CHECK-SAME: version = 0x0002,
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; CHECK-SAME: cu_offset = 0x0000000000000000,
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; CHECK-SAME: addr_size = 0x08,
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; CHECK-SAME: seg_size = 0x00
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; CHECK-NEXT: [0x0000000000000000, 0x0000000000000004)
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; IR generated and reduced from:
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; $ cat foo.c
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; int foo;
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; $ clang -g -S -emit-llvm foo.c -o foo.ll
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target triple = "x86_64-unknown-linux-gnu"
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@foo = dso_local global i32 0, align 4, !dbg !0
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!7, !8, !9}
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!llvm.ident = !{!10}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)
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!3 = !DIFile(filename: "foo.c", directory: "/tmp")
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!4 = !{}
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!5 = !{!0}
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!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!7 = !{i32 7, !"Dwarf Version", i32 4}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{i32 1, !"wchar_size", i32 4}
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!10 = !{!"clang version 12.0.0"}
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