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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
51 lines
2.3 KiB
LLVM
51 lines
2.3 KiB
LLVM
; RUN: llc < %s -mtriple=arm64-apple-darwin
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; rdar://9146594
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source_filename = "test/CodeGen/AArch64/arm64-2011-03-17-AsmPrinterCrash.ll"
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; Function Attrs: nounwind ssp
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define void @drt_vsprintf() #0 {
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entry:
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%do_tab_convert = alloca i32, align 4
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br i1 undef, label %if.then24, label %if.else295, !dbg !11
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if.then24: ; preds = %entry
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unreachable
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if.else295: ; preds = %entry
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call void @llvm.dbg.declare(metadata i32* %do_tab_convert, metadata !14, metadata !16), !dbg !17
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store i32 0, i32* %do_tab_convert, align 4, !dbg !18
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unreachable
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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attributes #0 = { nounwind ssp }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.0 (http://llvm.org/git/clang.git git:/git/puzzlebox/clang.git/ c4d1aea01c4444eb81bdbf391f1be309127c3cf1)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !2)
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!1 = !DIFile(filename: "print.i", directory: "/Volumes/Ebi/echeng/radars/r9146594")
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!2 = !{!3}
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!3 = !DIGlobalVariableExpression(var: !4, expr: !DIExpression())
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!4 = !DIGlobalVariable(name: "vsplive", scope: !5, file: !1, line: 617, type: !8, isLocal: true, isDefinition: true)
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!5 = distinct !DISubprogram(name: "drt_vsprintf", scope: !1, file: !1, line: 616, type: !6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0)
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8}
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!8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !{i32 2, !"Debug Info Version", i32 3}
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!10 = !{i32 2, !"Dwarf Version", i32 2}
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!11 = !DILocation(line: 653, column: 5, scope: !12)
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!12 = distinct !DILexicalBlock(scope: !13, file: !1, line: 652, column: 35)
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!13 = distinct !DILexicalBlock(scope: !5, file: !1, line: 616, column: 1)
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!14 = !DILocalVariable(name: "do_tab_convert", scope: !15, file: !1, line: 853, type: !8)
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!15 = distinct !DILexicalBlock(scope: !12, file: !1, line: 850, column: 12)
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!16 = !DIExpression()
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!17 = !DILocation(line: 853, column: 11, scope: !15)
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!18 = !DILocation(line: 853, column: 29, scope: !15)
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