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7d6813a6c8
This change simplifies code that has to deal with DIGlobalVariableExpression and mirrors how we treat DIExpressions in debug info intrinsics. Before this change there were two ways of representing empty expressions on globals, a nullptr and an empty !DIExpression(). If someone needs to upgrade out-of-tree testcases: perl -pi -e 's/(!DIGlobalVariableExpression\(var: ![0-9]*)\)/\1, expr: !DIExpression())/g' <MYTEST.ll> will catch 95%. llvm-svn: 312144
59 lines
2.7 KiB
LLVM
59 lines
2.7 KiB
LLVM
; RUN: llc -generate-arange-section < %s | FileCheck %s
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; CHECK: .section .debug_aranges,"",@progbits
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; First CU
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; CHECK-NEXT: .long 44 # Length of ARange Set
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; CHECK-NEXT: .short 2 # DWARF Arange version number
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; CHECK-NEXT: .long .Lcu_begin0 # Offset Into Debug Info Section
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; CHECK-NEXT: .byte 8 # Address Size (in bytes)
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; CHECK-NEXT: .byte 0 # Segment Size (in bytes)
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; CHECK-NEXT: .zero 4,255
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; CHECK-NEXT: .quad kittens
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; CHECK-NEXT: .quad rainbows-kittens
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; CHECK-NEXT: .quad 0 # ARange terminator
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; CHECK-NEXT: .quad 0
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; Second CU
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; CHECK-NEXT: .long 44 # Length of ARange Set
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; CHECK-NEXT: .short 2 # DWARF Arange version number
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; CHECK-NEXT: .long .Lcu_begin1 # Offset Into Debug Info Section
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; CHECK-NEXT: .byte 8 # Address Size (in bytes)
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; CHECK-NEXT: .byte 0 # Segment Size (in bytes)
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; CHECK-NEXT: .zero 4,255
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; CHECK-NEXT: .quad rainbows
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; CHECK-NEXT: .quad .Lsec_end0-rainbows
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; CHECK-NEXT: .quad 0 # ARange terminator
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; CHECK-NEXT: .quad 0
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; Generated from: clang -c -g -emit-llvm
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; llvm-link test1.bc test2.bc -o test.bc
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; test1.c: int kittens = 4;
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; test2.c: int rainbows = 5;
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; ModuleID = 'test.bc'
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source_filename = "test/DebugInfo/X86/multiple-aranges.ll"
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target triple = "x86_64-unknown-linux-gnu"
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@kittens = global i32 4, align 4, !dbg !0
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@rainbows = global i32 5, align 4, !dbg !4
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!llvm.dbg.cu = !{!7, !10}
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!llvm.module.flags = !{!12, !13}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "kittens", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "test1.c", directory: "/home/kayamon")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression())
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!5 = !DIGlobalVariable(name: "rainbows", scope: null, file: !6, line: 1, type: !3, isLocal: false, isDefinition: true)
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!6 = !DIFile(filename: "test2.c", directory: "/home/kayamon")
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!7 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 3.4 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !8, retainedTypes: !8, globals: !9, imports: !8)
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!8 = !{}
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!9 = !{!0}
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!10 = distinct !DICompileUnit(language: DW_LANG_C99, file: !6, producer: "clang version 3.4 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !8, retainedTypes: !8, globals: !11, imports: !8)
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!11 = !{!4}
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!12 = !{i32 2, !"Dwarf Version", i32 4}
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!13 = !{i32 1, !"Debug Info Version", i32 3}
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