1; RUN: llc < %s -filetype=obj -o - | llvm-readobj -codeview -codeview-subsection-bytes | FileCheck %s 2 3; Check how we pad out the LF_FUNC_ID records. The 00F3F2F1 bytes in LeafData are 4; what's interesting here. 5 6; CHECK: FuncId (0x1002) { 7; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) 8; CHECK: Name: a 9; CHECK: LeafData ( 10; CHECK: 0000: {{.*}} 6100F2F1 |........a...| 11; CHECK: ) 12; CHECK: } 13; CHECK: FuncId (0x1003) { 14; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) 15; CHECK: Name: ab 16; CHECK: LeafData ( 17; CHECK: 0000: {{.*}} 616200F1 |........ab..| 18; CHECK: ) 19; CHECK: } 20; CHECK: FuncId (0x1004) { 21; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) 22; CHECK: Name: abc 23; CHECK: LeafData ( 24; CHECK: 0000: {{.*}} 61626300 |........abc.| 25; CHECK: ) 26; CHECK: } 27; CHECK: FuncId (0x1005) { 28; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) 29; CHECK: Name: abcd 30; CHECK: LeafData ( 31; CHECK: 0000: {{.*}} 61626364 00F3F2F1 |........abcd....| 32; CHECK: ) 33; CHECK: } 34 35; C++ source used to generate the IR: 36; 37; extern volatile int x; 38; static void a() { x++; } 39; static void ab() { x++; } 40; static void abc() { x++; } 41; static void abcd() { x++; } 42; int main() { 43; a(); 44; ab(); 45; abc(); 46; abcd(); 47; } 48 49; ModuleID = 't.cpp' 50source_filename = "t.cpp" 51target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 52target triple = "x86_64-pc-windows-msvc" 53 54@x = external global i32, align 4 55 56; Function Attrs: norecurse nounwind 57define i32 @main() #0 !dbg !6 { 58entry: 59 store volatile i32 0, i32* @x, align 4, !dbg !11, !tbaa !16 60 store volatile i32 0, i32* @x, align 4, !dbg !20, !tbaa !16 61 store volatile i32 0, i32* @x, align 4, !dbg !23, !tbaa !16 62 store volatile i32 0, i32* @x, align 4, !dbg !26, !tbaa !16 63 ret i32 0, !dbg !29 64} 65 66attributes #0 = { norecurse nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-features"="+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } 67 68!llvm.dbg.cu = !{!0} 69!llvm.module.flags = !{!3, !4} 70!llvm.ident = !{!5} 71 72!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 270461) (llvm/trunk 270469)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 73!1 = !DIFile(filename: "<stdin>", directory: "D:\5Csrc\5Cllvm\5Cbuild") 74!2 = !{} 75!3 = !{i32 2, !"CodeView", i32 1} 76!4 = !{i32 2, !"Debug Info Version", i32 3} 77!5 = !{!"clang version 3.9.0 (trunk 270461) (llvm/trunk 270469)"} 78!6 = distinct !DISubprogram(name: "main", scope: !7, file: !7, line: 6, type: !8, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: true, unit: !0, variables: !2) 79!7 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild") 80!8 = !DISubroutineType(types: !9) 81!9 = !{!10} 82!10 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 83!11 = !DILocation(line: 2, scope: !12, inlinedAt: !15) 84!12 = distinct !DISubprogram(name: "a", scope: !7, file: !7, line: 2, type: !13, isLocal: true, isDefinition: true, scopeLine: 2, isOptimized: true, unit: !0, variables: !2) 85!13 = !DISubroutineType(types: !14) 86!14 = !{null} 87!15 = distinct !DILocation(line: 7, scope: !6) 88!16 = !{!17, !17, i64 0} 89!17 = !{!"int", !18, i64 0} 90!18 = !{!"omnipotent char", !19, i64 0} 91!19 = !{!"Simple C/C++ TBAA"} 92!20 = !DILocation(line: 3, scope: !21, inlinedAt: !22) 93!21 = distinct !DISubprogram(name: "ab", scope: !7, file: !7, line: 3, type: !13, isLocal: true, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, variables: !2) 94!22 = distinct !DILocation(line: 8, scope: !6) 95!23 = !DILocation(line: 4, scope: !24, inlinedAt: !25) 96!24 = distinct !DISubprogram(name: "abc", scope: !7, file: !7, line: 4, type: !13, isLocal: true, isDefinition: true, scopeLine: 4, isOptimized: true, unit: !0, variables: !2) 97!25 = distinct !DILocation(line: 9, scope: !6) 98!26 = !DILocation(line: 5, scope: !27, inlinedAt: !28) 99!27 = distinct !DISubprogram(name: "abcd", scope: !7, file: !7, line: 5, type: !13, isLocal: true, isDefinition: true, scopeLine: 5, isOptimized: true, unit: !0, variables: !2) 100!28 = distinct !DILocation(line: 10, scope: !6) 101!29 = !DILocation(line: 11, scope: !6) 102