1 ; REQUIRES: object-emission 2 3 ; RUN: llc -mtriple=x86_64-unknown-unknown -O0 -filetype=obj < %s > %t 4 ; RUN: llvm-dwarfdump %t | FileCheck %s 5 6 ; IR generated from clang -g with the following source: 7 ; struct foo { 8 ; foo(const foo&); 9 ; int i; 10 ; }; 11 ; 12 ; void func(foo f, foo g) { 13 ; f.i++; 14 ; } 15 16 ; CHECK: debug_info contents 17 ; CHECK: DW_TAG_subprogram 18 ; CHECK-NOT: DW_TAG 19 ; CHECK: DW_AT_linkage_name{{.*}}"_Z4func3fooS_" 20 ; CHECK-NOT: NULL 21 ; CHECK: DW_TAG_formal_parameter 22 ; CHECK-NOT: DW_TAG 23 ; CHECK: DW_AT_name{{.*}}"f" 24 ; CHECK-NOT: NULL 25 ; CHECK: DW_TAG_formal_parameter 26 ; CHECK-NOT: DW_TAG 27 ; CHECK: DW_AT_name{{.*}}"g" 28 29 %struct.foo = type { i32 } 30 31 ; Function Attrs: nounwind uwtable 32 define void @_Z4func3fooS_(%struct.foo* %f, %struct.foo* %g) #0 { 33 entry: 34 call void @llvm.dbg.declare(metadata %struct.foo* %f, metadata !19, metadata !MDExpression()), !dbg !20 35 call void @llvm.dbg.declare(metadata %struct.foo* %g, metadata !21, metadata !MDExpression()), !dbg !20 36 %i = getelementptr inbounds %struct.foo, %struct.foo* %f, i32 0, i32 0, !dbg !22 37 %0 = load i32, i32* %i, align 4, !dbg !22 38 %inc = add nsw i32 %0, 1, !dbg !22 39 store i32 %inc, i32* %i, align 4, !dbg !22 40 ret void, !dbg !23 41 } 42 43 ; Function Attrs: nounwind readnone 44 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 45 46 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 47 attributes #1 = { nounwind readnone } 48 49 !llvm.dbg.cu = !{!0} 50 !llvm.module.flags = !{!24} 51 52 !0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 53 !1 = !MDFile(filename: "scratch.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 54 !2 = !{} 55 !3 = !{!4} 56 !4 = !MDSubprogram(name: "func", linkageName: "_Z4func3fooS_", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 6, file: !1, scope: !5, type: !6, function: void (%struct.foo*, %struct.foo*)* @_Z4func3fooS_, variables: !2) 57 !5 = !MDFile(filename: "scratch.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch") 58 !6 = !MDSubroutineType(types: !7) 59 !7 = !{null, !8, !8} 60 !8 = !MDCompositeType(tag: DW_TAG_structure_type, name: "foo", line: 1, size: 32, align: 32, file: !1, elements: !9) 61 !9 = !{!10, !12} 62 !10 = !MDDerivedType(tag: DW_TAG_member, name: "i", line: 3, size: 32, align: 32, file: !1, scope: !8, baseType: !11) 63 !11 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 64 !12 = !MDSubprogram(name: "foo", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !8, type: !13) 65 !13 = !MDSubroutineType(types: !14) 66 !14 = !{null, !15, !16} 67 !15 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !8) 68 !16 = !MDDerivedType(tag: DW_TAG_reference_type, baseType: !17) 69 !17 = !MDDerivedType(tag: DW_TAG_const_type, baseType: !8) 70 !19 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "f", line: 6, arg: 1, scope: !4, file: !5, type: !8) 71 !20 = !MDLocation(line: 6, scope: !4) 72 !21 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "g", line: 6, arg: 2, scope: !4, file: !5, type: !8) 73 !22 = !MDLocation(line: 7, scope: !4) 74 !23 = !MDLocation(line: 8, scope: !4) 75 !24 = !{i32 1, !"Debug Info Version", i32 3} 76
