1 ; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump --debug-dump=info - | FileCheck %s 2 ; CHECK: DW_TAG_variable 3 ; DW_OP_fbreg 4 ; CHECK-NEXT: DW_AT_location [DW_FORM_exprloc] (<0x2> 91 00 ) 5 ; CHECK-NEXT: DW_AT_name {{.*}}"i" 6 7 target datalayout = "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128" 8 target triple = "x86_64-apple-darwin" 9 10 ; Function Attrs: nounwind uwtable 11 declare i32 @foo(i32 %i) #0 12 13 ; Function Attrs: nounwind readnone 14 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 15 16 ; Function Attrs: nounwind uwtable 17 define i32 @main() #0 !dbg !9 { 18 entry: 19 %retval = alloca i32, align 4 20 %i = alloca i32, align 4 21 store i32 0, i32* %retval 22 call void @llvm.dbg.declare(metadata i32* %i, metadata !20, metadata !16), !dbg !21 23 store i32 20, i32* %i, align 4, !dbg !21 24 %0 = load i32, i32* %i, align 4, !dbg !22 25 %call = call i32 @foo(i32 %0), !dbg !23 26 ret i32 %call, !dbg !24 27 } 28 29 attributes #0 = { nounwind uwtable } 30 attributes #1 = { nounwind readnone } 31 32 !llvm.dbg.cu = !{!0} 33 !llvm.module.flags = !{!12, !13} 34 !llvm.ident = !{!14} 35 36 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.7.0", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 37 !1 = !DIFile(filename: "x.c", directory: "") 38 !2 = !{} 39 !3 = !{!4, !9} 40 !4 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !5, type: !6, variables: !2) 41 !5 = !DIFile(filename: "x.c", directory: "") 42 !6 = !DISubroutineType(types: !7) 43 !7 = !{!8, !8} 44 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 45 !9 = distinct !DISubprogram(name: "main", line: 8, isLocal: false, isDefinition: true, isOptimized: false, scopeLine: 9, file: !1, scope: !5, type: !10, variables: !2) 46 !10 = !DISubroutineType(types: !11) 47 !11 = !{!8} 48 !12 = !{i32 2, !"Dwarf Version", i32 4} 49 !13 = !{i32 2, !"Debug Info Version", i32 3} 50 !14 = !{!"clang version 3.7.0"} 51 !15 = !DILocalVariable(name: "i", line: 2, arg: 1, scope: !4, file: !5, type: !8) 52 !16 = !DIExpression() 53 !17 = !DILocation(line: 2, column: 10, scope: !4) 54 !18 = !DILocation(line: 4, column: 10, scope: !4) 55 !19 = !DILocation(line: 4, column: 3, scope: !4) 56 !20 = !DILocalVariable(name: "i", line: 10, scope: !9, file: !5, type: !8) 57 !21 = !DILocation(line: 10, column: 7, scope: !9) 58 !22 = !DILocation(line: 11, column: 15, scope: !9) 59 !23 = !DILocation(line: 11, column: 10, scope: !9) 60 !24 = !DILocation(line: 11, column: 3, scope: !9) 61
