1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -filetype=obj < %s > %t 4 ; RUN: llvm-dwarfdump %t | FileCheck %s 5 6 ; IR generated from clang -O -g with the following source 7 ; 8 ; void f1(int x, int y); 9 ; void f3(int line); 10 ; void f2() { 11 ; f1(1, 2); 12 ; } 13 ; void f1(int x, int y) { 14 ; f3(y); 15 ; } 16 17 ; CHECK: DW_AT_name{{.*}}"f1" 18 ; CHECK: DW_TAG_formal_parameter 19 ; CHECK-NOT: DW_TAG 20 ; CHECK: DW_AT_name{{.*}}"x" 21 ; CHECK: DW_TAG_formal_parameter 22 ; CHECK-NOT: DW_TAG 23 ; CHECK: DW_AT_name{{.*}}"y" 24 25 ; Function Attrs: uwtable 26 define void @_Z2f2v() #0 !dbg !4 { 27 tail call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !16, metadata !DIExpression()), !dbg !18 28 tail call void @llvm.dbg.value(metadata i32 2, i64 0, metadata !20, metadata !DIExpression()), !dbg !18 29 tail call void @_Z2f3i(i32 2), !dbg !21 30 ret void, !dbg !22 31 } 32 33 ; Function Attrs: uwtable 34 define void @_Z2f1ii(i32 %x, i32 %y) #0 !dbg !8 { 35 tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !13, metadata !DIExpression()), !dbg !23 36 tail call void @llvm.dbg.value(metadata i32 %y, i64 0, metadata !14, metadata !DIExpression()), !dbg !23 37 tail call void @_Z2f3i(i32 %y), !dbg !24 38 ret void, !dbg !25 39 } 40 41 declare void @_Z2f3i(i32) #1 42 43 ; Function Attrs: nounwind readnone 44 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2 45 46 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 47 attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 48 attributes #2 = { nounwind readnone } 49 50 !llvm.dbg.cu = !{!0} 51 !llvm.module.flags = !{!26} 52 53 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 54 !1 = !DIFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 55 !2 = !{} 56 !3 = !{!4, !8} 57 !4 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 3, file: !1, scope: !5, type: !6, variables: !2) 58 !5 = !DIFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 59 !6 = !DISubroutineType(types: !7) 60 !7 = !{null} 61 !8 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1ii", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 6, file: !1, scope: !5, type: !9, variables: !12) 62 !9 = !DISubroutineType(types: !10) 63 !10 = !{null, !11, !11} 64 !11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 65 !12 = !{!13, !14} 66 !13 = !DILocalVariable(name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11) 67 !14 = !DILocalVariable(name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11) 68 !15 = !{i32 undef} 69 !16 = !DILocalVariable(name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11) 70 !17 = !DILocation(line: 4, scope: !4) 71 !18 = !DILocation(line: 6, scope: !8, inlinedAt: !17) 72 !19 = !{i32 2} 73 !20 = !DILocalVariable(name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11) 74 !21 = !DILocation(line: 7, scope: !8, inlinedAt: !17) 75 !22 = !DILocation(line: 5, scope: !4) 76 !23 = !DILocation(line: 6, scope: !8) 77 !24 = !DILocation(line: 7, scope: !8) 78 !25 = !DILocation(line: 8, scope: !8) 79 !26 = !{i32 1, !"Debug Info Version", i32 3} 80
