163eaed03SEric Christopher; RUN: llc < %s - | FileCheck %s 263eaed03SEric Christopher; 363eaed03SEric Christopher; FIXME: A potentially more interesting test case would be: 463eaed03SEric Christopher; %call = @bar() 563eaed03SEric Christopher; dbg.value j=0 663eaed03SEric Christopher; %call2 = @bar() 763eaed03SEric Christopher; dbg.value j=%call 863eaed03SEric Christopher; 963eaed03SEric Christopher; We cannot current handle the above sequence because codegenprepare 1063eaed03SEric Christopher; hoists the second dbg.value above %call2, which then appears to 1163eaed03SEric Christopher; conflict with j=0. It does this because SelectionDAG cannot handle 1263eaed03SEric Christopher; global debug values. 1363eaed03SEric Christopher 1463eaed03SEric Christophertarget triple = "x86_64-apple-darwin10.0.0" 1563eaed03SEric Christopher 163bdcb52dSAdrian Prantl;CHECK: ## DW_OP_consts 1763eaed03SEric Christopher;CHECK-NEXT: .byte 42 18d4bff303SPeter Collingbournedefine i32 @foobar() nounwind readonly noinline ssp !dbg !0 { 1963eaed03SEric Christopherentry: 20abe04759SAdrian Prantl tail call void @llvm.dbg.value(metadata i32 42, metadata !6, metadata !DIExpression()), !dbg !9 2163eaed03SEric Christopher %call = tail call i32 @bar(), !dbg !11 22abe04759SAdrian Prantl tail call void @llvm.dbg.value(metadata i32 %call, metadata !6, metadata !DIExpression()), !dbg !11 2363eaed03SEric Christopher %call2 = tail call i32 @bar(), !dbg !11 2463eaed03SEric Christopher %add = add nsw i32 %call2, %call, !dbg !12 2563eaed03SEric Christopher ret i32 %add, !dbg !10 2663eaed03SEric Christopher} 2763eaed03SEric Christopher 28abe04759SAdrian Prantldeclare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone 2963eaed03SEric Christopherdeclare i32 @bar() nounwind readnone 3063eaed03SEric Christopher 3163eaed03SEric Christopher!llvm.dbg.cu = !{!2} 32409558f8SManman Ren!llvm.module.flags = !{!17} 3363eaed03SEric Christopher 34*2c864551SShiva Chen!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) 35a9308c49SDuncan P. N. Exon Smith!1 = !DIFile(filename: "mu.c", directory: "/private/tmp") 3675819aedSAdrian Prantl!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) 37a9308c49SDuncan P. N. Exon Smith!3 = !DISubroutineType(types: !4) 38be7ea19bSDuncan P. N. Exon Smith!4 = !{!5} 39a9308c49SDuncan P. N. Exon Smith!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 40ed013cd2SDuncan P. N. Exon Smith!6 = !DILocalVariable(name: "j", line: 15, scope: !7, file: !1, type: !5) 41a9308c49SDuncan P. N. Exon Smith!7 = distinct !DILexicalBlock(line: 12, column: 52, file: !15, scope: !0) 42be7ea19bSDuncan P. N. Exon Smith!8 = !{i32 42} 43a9308c49SDuncan P. N. Exon Smith!9 = !DILocation(line: 15, column: 12, scope: !7) 44a9308c49SDuncan P. N. Exon Smith!10 = !DILocation(line: 23, column: 3, scope: !7) 45a9308c49SDuncan P. N. Exon Smith!11 = !DILocation(line: 17, column: 3, scope: !7) 46a9308c49SDuncan P. N. Exon Smith!12 = !DILocation(line: 18, column: 3, scope: !7) 47be7ea19bSDuncan P. N. Exon Smith!14 = !{!6} 48a9308c49SDuncan P. N. Exon Smith!15 = !DIFile(filename: "mu.c", directory: "/private/tmp") 49988a7f8bSDuncan P. N. Exon Smith!16 = !{} 50e274180fSDuncan P. N. Exon Smith!17 = !{i32 1, !"Debug Info Version", i32 3} 51