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07bdd2ad04
The patch fixes emitting flags and the debug_line_offset field in the header, as well as the reference to the macro string for a pre-standard GNU .debug_macro extension. Differential Revision: https://reviews.llvm.org/D87024
53 lines
2.3 KiB
LLVM
53 lines
2.3 KiB
LLVM
; This checks that .debug_macro[.dwo] can be generated in the DWARF64 format.
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; RUN: llc -mtriple=x86_64 -dwarf-version=4 -dwarf64 -use-gnu-debug-macro -filetype=obj %s -o %t
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; RUN: llvm-dwarfdump -debug-macro %t | FileCheck %s --check-prefix=DWARF4
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; RUN: llc -mtriple=x86_64 -dwarf-version=5 -dwarf64 -filetype=obj %s -o %t
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; RUN: llvm-dwarfdump -debug-macro %t | FileCheck %s --check-prefix=DWARF5
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; RUN: llc -mtriple=x86_64 -dwarf-version=5 -dwarf64 -split-dwarf-file=foo.dwo -filetype=obj %s -o %t
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; RUN: llvm-dwarfdump -debug-macro %t | FileCheck %s --check-prefixes=DWARF5,DWO
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; DWARF4: .debug_macro contents:
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; DWARF4-NEXT: 0x00000000:
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; DWARF4-NEXT: macro header: version = 0x0004, flags = 0x03, format = DWARF64, debug_line_offset = 0x0000000000000000
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; DWARF4-NEXT: DW_MACRO_GNU_start_file - lineno: 0 filenum: 1
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; DWARF4-NEXT: DW_MACRO_GNU_define_indirect - lineno: 1 macro: FOO 1
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; DWARF4-NEXT: DW_MACRO_GNU_undef_indirect - lineno: 2 macro: BAR
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; DWARF4-NEXT: DW_MACRO_GNU_end_file
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; DWARF5: .debug_macro contents:
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; DWO: .debug_macro.dwo contents:
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; DWARF5-NEXT: 0x00000000:
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; DWARF5-NEXT: macro header: version = 0x0005, flags = 0x03, format = DWARF64, debug_line_offset = 0x0000000000000000
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; DWARF5-NEXT: DW_MACRO_start_file - lineno: 0 filenum: 0
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; DWARF5-NEXT: DW_MACRO_define_strx - lineno: 1 macro: FOO 1
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; DWARF5-NEXT: DW_MACRO_undef_strx - lineno: 2 macro: BAR
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; DWARF5-NEXT: DW_MACRO_end_file
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; IR generated and reduced from:
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; $ cat foo.c
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; #define FOO 1
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; #undef BAR
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; $ clang -g -S -emit-llvm -fdebug-macro foo.c -o foo.ll
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target triple = "x86_64-unknown-linux-gnu"
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!348, !349, !350}
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!llvm.ident = !{!351}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, macros: !3, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "foo.c", directory: "/tmp")
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!2 = !{}
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!3 = !{!4}
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!4 = !DIMacroFile(file: !1, nodes: !5)
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!5 = !{!6, !7}
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!6 = !DIMacro(type: DW_MACINFO_define, line: 1, name: "FOO", value: "1")
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!7 = !DIMacro(type: DW_MACINFO_undef, line: 2, name: "BAR")
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!348 = !{i32 7, !"Dwarf Version", i32 4}
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!349 = !{i32 2, !"Debug Info Version", i32 3}
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!350 = !{i32 1, !"wchar_size", i32 4}
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!351 = !{!"clang version 12.0.0"}
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