|  | ; REQUIRES: object-emission | 
|  |  | 
|  | ; RUN: %llc_dwarf -filetype=obj < %s > %t | 
|  | ; RUN: llvm-dwarfdump %t | FileCheck %s | 
|  |  | 
|  | ; IR generated from clang -O -g with the following source | 
|  | ; | 
|  | ; void f1(int x, int y); | 
|  | ; void f3(int line); | 
|  | ; void f2() { | 
|  | ;   f1(1, 2); | 
|  | ; } | 
|  | ; void f1(int x, int y) { | 
|  | ;   f3(y); | 
|  | ; } | 
|  |  | 
|  | ; CHECK: DW_AT_name{{.*}}"f1" | 
|  | ; CHECK: DW_TAG_formal_parameter | 
|  | ; CHECK-NOT: DW_TAG | 
|  | ; CHECK: DW_AT_name{{.*}}"x" | 
|  | ; CHECK: DW_TAG_formal_parameter | 
|  | ; CHECK-NOT: DW_TAG | 
|  | ; CHECK: DW_AT_name{{.*}}"y" | 
|  |  | 
|  | ; Function Attrs: uwtable | 
|  | define void @_Z2f2v() #0 !dbg !4 { | 
|  | tail call void @llvm.dbg.value(metadata i32 undef, metadata !16, metadata !DIExpression()), !dbg !18 | 
|  | tail call void @llvm.dbg.value(metadata i32 2, metadata !20, metadata !DIExpression()), !dbg !18 | 
|  | tail call void @_Z2f3i(i32 2), !dbg !21 | 
|  | ret void, !dbg !22 | 
|  | } | 
|  |  | 
|  | ; Function Attrs: uwtable | 
|  | define void @_Z2f1ii(i32 %x, i32 %y) #0 !dbg !8 { | 
|  | tail call void @llvm.dbg.value(metadata i32 %x, metadata !13, metadata !DIExpression()), !dbg !23 | 
|  | tail call void @llvm.dbg.value(metadata i32 %y, metadata !14, metadata !DIExpression()), !dbg !23 | 
|  | tail call void @_Z2f3i(i32 %y), !dbg !24 | 
|  | ret void, !dbg !25 | 
|  | } | 
|  |  | 
|  | declare void @_Z2f3i(i32) #1 | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare void @llvm.dbg.value(metadata, metadata, metadata) #2 | 
|  |  | 
|  | 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" } | 
|  | 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" } | 
|  | attributes #2 = { nounwind readnone } | 
|  |  | 
|  | !llvm.dbg.cu = !{!0} | 
|  | !llvm.module.flags = !{!26} | 
|  |  | 
|  | !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) | 
|  | !1 = !DIFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") | 
|  | !2 = !{} | 
|  | !4 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2) | 
|  | !5 = !DIFile(filename: "exp.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") | 
|  | !6 = !DISubroutineType(types: !7) | 
|  | !7 = !{null} | 
|  | !8 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1ii", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 6, file: !1, scope: !5, type: !9, retainedNodes: !12) | 
|  | !9 = !DISubroutineType(types: !10) | 
|  | !10 = !{null, !11, !11} | 
|  | !11 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) | 
|  | !12 = !{!13, !14} | 
|  | !13 = !DILocalVariable(name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11) | 
|  | !14 = !DILocalVariable(name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11) | 
|  | !15 = !{i32 undef} | 
|  | !16 = !DILocalVariable(name: "x", line: 6, arg: 1, scope: !8, file: !5, type: !11) | 
|  | !17 = !DILocation(line: 4, scope: !4) | 
|  | !18 = !DILocation(line: 6, scope: !8, inlinedAt: !17) | 
|  | !19 = !{i32 2} | 
|  | !20 = !DILocalVariable(name: "y", line: 6, arg: 2, scope: !8, file: !5, type: !11) | 
|  | !21 = !DILocation(line: 7, scope: !8, inlinedAt: !17) | 
|  | !22 = !DILocation(line: 5, scope: !4) | 
|  | !23 = !DILocation(line: 6, scope: !8) | 
|  | !24 = !DILocation(line: 7, scope: !8) | 
|  | !25 = !DILocation(line: 8, scope: !8) | 
|  | !26 = !{i32 1, !"Debug Info Version", i32 3} |