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1; RUN: llc < %s - | FileCheck %s2;3; FIXME: A potentially more interesting test case would be:4; %call = @bar()5; dbg.value j=06; %call2 = @bar()7; dbg.value j=%call8;9; We cannot current handle the above sequence because codegenprepare10; hoists the second dbg.value above %call2, which then appears to11; conflict with j=0. It does this because SelectionDAG cannot handle12; global debug values.13 14target triple = "x86_64-apple-darwin10.0.0"15 16;CHECK: ## DW_OP_consts17;CHECK-NEXT: .byte 4218define i32 @foobar() nounwind readonly noinline ssp !dbg !0 {19entry:20 tail call void @llvm.dbg.value(metadata i32 42, metadata !6, metadata !DIExpression()), !dbg !921 %call = tail call i32 @bar(), !dbg !1122 tail call void @llvm.dbg.value(metadata i32 %call, metadata !6, metadata !DIExpression()), !dbg !1123 %call2 = tail call i32 @bar(), !dbg !1124 %add = add nsw i32 %call2, %call, !dbg !1225 ret i32 %add, !dbg !1026}27 28declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone29declare i32 @bar() nounwind readnone30 31!llvm.dbg.cu = !{!2}32!llvm.module.flags = !{!17}33 34!0 = distinct !DISubprogram(name: "foobar", linkageName: "foobar", line: 12, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !2, file: !15, scope: !1, type: !3, retainedNodes: !14)35!1 = !DIFile(filename: "mu.c", directory: "/private/tmp")36!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 114183)", isOptimized: true, emissionKind: FullDebug, file: !15, enums: !16, retainedTypes: !16, imports: null)37!3 = !DISubroutineType(types: !4)38!4 = !{!5}39!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)40!6 = !DILocalVariable(name: "j", line: 15, scope: !7, file: !1, type: !5)41!7 = distinct !DILexicalBlock(line: 12, column: 52, file: !15, scope: !0)42!8 = !{i32 42}43!9 = !DILocation(line: 15, column: 12, scope: !7)44!10 = !DILocation(line: 23, column: 3, scope: !7)45!11 = !DILocation(line: 17, column: 3, scope: !7)46!12 = !DILocation(line: 18, column: 3, scope: !7)47!14 = !{!6}48!15 = !DIFile(filename: "mu.c", directory: "/private/tmp")49!16 = !{}50!17 = !{i32 1, !"Debug Info Version", i32 3}51