1; ModuleID = 'dbg.ll' 2source_filename = "dbg.c" 3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4target triple = "x86_64-apple-macosx" 5 6; Function Attrs: noinline nounwind uwtable 7define signext i8 @foo(i8 signext %x) #0 !dbg !7 { 8entry: 9 call void @llvm.dbg.value(metadata i8 42, metadata !17, metadata !DIExpression(DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_stack_value)), !dbg !12 10 call void @llvm.dbg.value(metadata i8 %x, metadata !11, metadata !DIExpression()), !dbg !12 11 call void @llvm.dbg.value(metadata i8 %x, metadata !13, metadata !DIExpression(DW_OP_LLVM_convert, 8, DW_ATE_signed, DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_stack_value)), !dbg !15 12 call void @llvm.dbg.value(metadata i8 51, metadata !18, metadata !DIExpression(DW_OP_LLVM_convert_generic, DW_OP_stack_value)), !dbg !15 13 ret i8 %x, !dbg !16 14} 15 16; Function Attrs: nounwind readnone speculatable 17declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 18 19; Function Attrs: nounwind readnone speculatable 20declare void @llvm.dbg.value(metadata, metadata, metadata) #1 21 22attributes #0 = { noinline nounwind uwtable } 23attributes #1 = { nounwind readnone speculatable } 24 25!llvm.dbg.cu = !{!0} 26!llvm.module.flags = !{!3, !4, !5} 27!llvm.ident = !{!6} 28 29!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 9.0.0 (trunk 353791) (llvm/trunk 353801)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) 30!1 = !DIFile(filename: "dbg.c", directory: "/tmp", checksumkind: CSK_MD5, checksum: "2a034da6937f5b9cf6dd2d89127f57fd") 31!2 = !{} 32!3 = !{i32 2, !"Dwarf Version", i32 4} 33!4 = !{i32 2, !"Debug Info Version", i32 3} 34!5 = !{i32 1, !"wchar_size", i32 4} 35!6 = !{!"clang version 9.0.0 (trunk 353791) (llvm/trunk 353801)"} 36!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) 37!8 = !DISubroutineType(types: !9) 38!9 = !{!10, !10} 39!10 = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char) 40!11 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !1, line: 1, type: !10) 41!12 = !DILocation(line: 1, column: 29, scope: !7) 42!13 = !DILocalVariable(name: "y", scope: !7, file: !1, line: 3, type: !14) 43!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 44!15 = !DILocation(line: 3, column: 14, scope: !7) 45!16 = !DILocation(line: 4, column: 3, scope: !7) 46!17 = !DILocalVariable(name: "c", scope: !7, file: !1, line: 3, type: !14) 47!18 = !DILocalVariable(name: "d", scope: !7, file: !1, line: 3, type: !14) 48