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bac464f625
The patch adds a switch to enable emitting debug info in the 64-bit DWARF format. Most emitter for sections will be updated in the subsequent patches, whereas for .debug_line and .debug_frame the emitters are in the MC library, which is already updated. For now, the switch is enabled only for 64-bit ELF targets. Differential Revision: https://reviews.llvm.org/D87011
36 lines
1.3 KiB
LLVM
36 lines
1.3 KiB
LLVM
; This checks that .debug_line can be generated in the DWARF64 format.
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; RUN: llc -mtriple=x86_64 -dwarf-version=3 -dwarf64 -filetype=obj %s -o %t3
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; RUN: llvm-dwarfdump -debug-line %t3 | FileCheck %s
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; CHECK: .debug_line contents:
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; CHECK-NEXT: debug_line[0x00000000]
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; CHECK-NEXT: Line table prologue:
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; CHECK-NEXT: total_length:
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; CHECK-NEXT: format: DWARF64
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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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