1target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 2target triple = "x86_64-pc-linux-gnu" 3 4@gBar = local_unnamed_addr global i32 2, align 4, !dbg !0 5@gFoo = internal unnamed_addr global i32 1, align 4, !dbg !6 6 7; Function Attrs: norecurse nounwind readonly 8define i32 @foo() local_unnamed_addr #0 !dbg !14 { 9 %1 = load i32, ptr @gFoo, align 4, !dbg !17 10 ret i32 %1, !dbg !18 11} 12 13; Function Attrs: norecurse nounwind readonly 14define i32 @bar() local_unnamed_addr #0 !dbg !19 { 15 %1 = load i32, ptr @gBar, align 4, !dbg !20 16 ret i32 %1, !dbg !21 17} 18 19define void @baz() local_unnamed_addr !dbg !22 { 20 %1 = tail call i32 @rand(), !dbg !25 21 store i32 %1, ptr @gFoo, align 4, !dbg !26 22 %2 = tail call i32 @rand(), !dbg !27 23 store i32 %2, ptr @gBar, align 4, !dbg !28 24 ret void, !dbg !29 25} 26 27declare i32 @rand() local_unnamed_addr 28 29attributes #0 = { norecurse nounwind readonly } 30 31!llvm.dbg.cu = !{!2} 32!llvm.module.flags = !{!9, !10, !11, !12} 33!llvm.ident = !{!13} 34 35!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 36!1 = distinct !DIGlobalVariable(name: "gBar", scope: !2, file: !3, line: 4, type: !8, isLocal: false, isDefinition: true) 37!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 7.0.0 (trunk 332246)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) 38!3 = !DIFile(filename: "foo.c", directory: "/data/work/lto/roref/test") 39!4 = !{} 40!5 = !{!0, !6} 41!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 42!7 = distinct !DIGlobalVariable(name: "gFoo", scope: !2, file: !3, line: 3, type: !8, isLocal: true, isDefinition: true) 43!8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 44!9 = !{i32 2, !"Dwarf Version", i32 4} 45!10 = !{i32 2, !"Debug Info Version", i32 3} 46!11 = !{i32 1, !"wchar_size", i32 4} 47!12 = !{i32 7, !"PIC Level", i32 2} 48!13 = !{!"clang version 7.0.0 (trunk 332246)"} 49!14 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 6, type: !15, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: true, unit: !2, retainedNodes: !4) 50!15 = !DISubroutineType(types: !16) 51!16 = !{!8} 52!17 = !DILocation(line: 7, column: 10, scope: !14) 53!18 = !DILocation(line: 7, column: 3, scope: !14) 54!19 = distinct !DISubprogram(name: "bar", scope: !3, file: !3, line: 10, type: !15, isLocal: false, isDefinition: true, scopeLine: 10, isOptimized: true, unit: !2, retainedNodes: !4) 55!20 = !DILocation(line: 11, column: 10, scope: !19) 56!21 = !DILocation(line: 11, column: 3, scope: !19) 57!22 = distinct !DISubprogram(name: "baz", scope: !3, file: !3, line: 14, type: !23, isLocal: false, isDefinition: true, scopeLine: 14, isOptimized: true, unit: !2, retainedNodes: !4) 58!23 = !DISubroutineType(types: !24) 59!24 = !{null} 60!25 = !DILocation(line: 15, column: 10, scope: !22) 61!26 = !DILocation(line: 15, column: 8, scope: !22) 62!27 = !DILocation(line: 16, column: 10, scope: !22) 63!28 = !DILocation(line: 16, column: 8, scope: !22) 64!29 = !DILocation(line: 17, column: 1, scope: !22) 65