| ; RUN: llc -O2 < %s | FileCheck %s |
| ; RUN: llc -O2 -regalloc=basic < %s | FileCheck %s |
| ; Test to check that unused argument 'this' is not undefined in debug info. |
| |
| target triple = "x86_64-apple-darwin10.2" |
| %struct.foo = type { i32 } |
| |
| @llvm.used = appending global [1 x i8*] [i8* bitcast (i32 (%struct.foo*, i32)* @_ZN3foo3bazEi to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] |
| |
| define i32 @_ZN3foo3bazEi(%struct.foo* nocapture %this, i32 %x) nounwind readnone optsize noinline ssp align 2 { |
| ;CHECK: DEBUG_VALUE: baz:this <- RDI{{$}} |
| entry: |
| tail call void @llvm.dbg.value(metadata %struct.foo* %this, i64 0, metadata !15, metadata !DIExpression()), !dbg !DILocation(scope: !8) |
| tail call void @llvm.dbg.value(metadata i32 %x, i64 0, metadata !16, metadata !DIExpression()), !dbg !DILocation(scope: !8) |
| %0 = mul nsw i32 %x, 7, !dbg !29 ; <i32> [#uses=1] |
| %1 = add nsw i32 %0, 1, !dbg !29 ; <i32> [#uses=1] |
| ret i32 %1, !dbg !29 |
| } |
| |
| declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone |
| |
| !llvm.dbg.cu = !{!4} |
| !llvm.module.flags = !{!34} |
| !llvm.dbg.lv = !{!0, !14, !15, !16, !17, !24, !25, !28} |
| |
| !0 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "this", line: 11, arg: 0, scope: !1, file: !3, type: !12) |
| !1 = !DISubprogram(name: "bar", linkageName: "_ZN3foo3barEi", line: 11, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 11, file: !31, scope: !2, type: !9, function: i32 (%struct.foo*, i32)* null) |
| !2 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 3, size: 32, align: 32, file: !31, scope: !3, elements: !5) |
| !3 = !DIFile(filename: "foo.cp", directory: "/tmp/") |
| !4 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "4.2.1 LLVM build", isOptimized: true, emissionKind: 0, file: !31, enums: !32, retainedTypes: !32, subprograms: !33) |
| !5 = !{!6, !1, !8} |
| !6 = !DIDerivedType(tag: DW_TAG_member, name: "y", line: 8, size: 32, align: 32, file: !31, scope: !2, baseType: !7) |
| !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !8 = !DISubprogram(name: "baz", linkageName: "_ZN3foo3bazEi", line: 15, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 15, file: !31, scope: !2, type: !9, function: i32 (%struct.foo*, i32)* @_ZN3foo3bazEi) |
| !9 = !DISubroutineType(types: !10) |
| !10 = !{!7, !11, !7} |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, file: !31, scope: !3, baseType: !2) |
| !12 = !DIDerivedType(tag: DW_TAG_const_type, size: 64, align: 64, flags: DIFlagArtificial, file: !31, scope: !3, baseType: !13) |
| !13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !31, scope: !3, baseType: !2) |
| !14 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 11, arg: 0, scope: !1, file: !3, type: !7) |
| !15 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "this", line: 15, arg: 0, scope: !8, file: !3, type: !12) |
| !16 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "x", line: 15, arg: 0, scope: !8, file: !3, type: !7) |
| !17 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "argc", line: 19, arg: 0, scope: !18, file: !3, type: !7) |
| !18 = !DISubprogram(name: "main", linkageName: "main", line: 19, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 19, file: !31, scope: !3, type: !19) |
| !19 = !DISubroutineType(types: !20) |
| !20 = !{!7, !7, !21} |
| !21 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !31, scope: !3, baseType: !22) |
| !22 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, file: !31, scope: !3, baseType: !23) |
| !23 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) |
| !24 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "argv", line: 19, arg: 0, scope: !18, file: !3, type: !21) |
| !25 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "a", line: 20, scope: !26, file: !3, type: !2) |
| !26 = distinct !DILexicalBlock(line: 19, column: 0, file: !31, scope: !27) |
| !27 = distinct !DILexicalBlock(line: 19, column: 0, file: !31, scope: !18) |
| !28 = !DILocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 21, scope: !26, file: !3, type: !7) |
| !29 = !DILocation(line: 16, scope: !30) |
| !30 = distinct !DILexicalBlock(line: 15, column: 0, file: !31, scope: !8) |
| !31 = !DIFile(filename: "foo.cp", directory: "/tmp/") |
| !32 = !{} |
| !33 = !{!1, !8, !18} |
| !34 = !{i32 1, !"Debug Info Version", i32 3} |