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1; RUN: llc %s -filetype=obj -o %t.o2; RUN: llvm-dwarfdump -v -debug-info %t.o | FileCheck %s3; Test emitting a constant for an aggregate type.4;5; clang -S -O1 -emit-llvm6;7; typedef struct { unsigned i; } S;8;9; unsigned foo(S s) {10; s.i = 1;11; return s.i;12; }13;14; class C { public: unsigned i; };15;16; unsigned foo(C c) {17; c.i = 2;18; return c.i;19; }20;21; unsigned bar() {22; int a[1] = { 3 };23; return a[0];24; }25;26; CHECK: DW_TAG_formal_parameter27; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata] (1)28; CHECK-NEXT: DW_AT_name {{.*}} "s"29;30; CHECK: DW_TAG_formal_parameter31; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata] (2)32; CHECK-NEXT: DW_AT_name {{.*}} "c"33;34; CHECK: DW_TAG_variable35; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata] (3)36; CHECK-NEXT: DW_AT_name {{.*}} "a"37 38; ModuleID = 'sroasplit-4.cpp'39target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"40target triple = "x86_64-apple-macosx10.10.0"41 42; Function Attrs: nounwind readnone ssp uwtable43define i32 @_Z3foo1S(i32 %s.coerce) #0 !dbg !12 {44entry:45 tail call void @llvm.dbg.value(metadata i32 %s.coerce, metadata !18, metadata !37), !dbg !3846 tail call void @llvm.dbg.value(metadata i32 1, metadata !18, metadata !37), !dbg !3847 ret i32 1, !dbg !3948}49 50; Function Attrs: nounwind readnone ssp uwtable51define i32 @_Z3foo1C(i32 %c.coerce) #0 !dbg !19 {52entry:53 tail call void @llvm.dbg.value(metadata i32 %c.coerce, metadata !23, metadata !37), !dbg !4054 tail call void @llvm.dbg.value(metadata i32 2, metadata !23, metadata !37), !dbg !4055 ret i32 2, !dbg !4156}57 58; Function Attrs: nounwind readnone ssp uwtable59define i32 @_Z3barv() #0 !dbg !24 {60entry:61 tail call void @llvm.dbg.value(metadata i32 3, metadata !28, metadata !37), !dbg !4262 ret i32 3, !dbg !4363}64 65; Function Attrs: nounwind readnone66declare void @llvm.dbg.value(metadata, metadata, metadata) #167 68attributes #0 = { nounwind readnone ssp uwtable }69attributes #1 = { nounwind readnone }70 71!llvm.dbg.cu = !{!0}72!llvm.module.flags = !{!33, !34, !35}73!llvm.ident = !{!36}74 75!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 (trunk 225364) (llvm/trunk 225366)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)76!1 = !DIFile(filename: "sroasplit-4.cpp", directory: "")77!2 = !{}78!3 = !{!4, !8}79!4 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 32, align: 32, file: !1, elements: !5, identifier: "_ZTS1S")80!5 = !{!6}81!6 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 1, size: 32, align: 32, file: !1, scope: !4, baseType: !7)82!7 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)83!8 = !DICompositeType(tag: DW_TAG_class_type, name: "C", line: 8, size: 32, align: 32, file: !1, elements: !9, identifier: "_ZTS1C")84!9 = !{!10}85!10 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 8, size: 32, align: 32, flags: DIFlagPublic, file: !1, scope: !8, baseType: !7)86!12 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foo1S", line: 3, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !1, scope: !13, type: !14, retainedNodes: !17)87!13 = !DIFile(filename: "sroasplit-4.cpp", directory: "")88!14 = !DISubroutineType(types: !15)89!15 = !{!7, !16}90!16 = !DIDerivedType(tag: DW_TAG_typedef, name: "S", line: 1, file: !1, baseType: !4)91!17 = !{!18}92!18 = !DILocalVariable(name: "s", line: 3, arg: 1, scope: !12, file: !13, type: !16)93!19 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foo1C", line: 10, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 10, file: !1, scope: !13, type: !20, retainedNodes: !22)94!20 = !DISubroutineType(types: !21)95!21 = !{!7, !8}96!22 = !{!23}97!23 = !DILocalVariable(name: "c", line: 10, arg: 1, scope: !19, file: !13, type: !8)98!24 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", line: 15, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 15, file: !1, scope: !13, type: !25, retainedNodes: !27)99!25 = !DISubroutineType(types: !26)100!26 = !{!7}101!27 = !{!28}102!28 = !DILocalVariable(name: "a", line: 16, scope: !24, file: !13, type: !29)103!29 = !DICompositeType(tag: DW_TAG_array_type, size: 32, align: 32, baseType: !30, elements: !31)104!30 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)105!31 = !{!32}106!32 = !DISubrange(count: 1)107!33 = !{i32 2, !"Dwarf Version", i32 2}108!34 = !{i32 2, !"Debug Info Version", i32 3}109!35 = !{i32 1, !"PIC Level", i32 2}110!36 = !{!"clang version 3.6.0 (trunk 225364) (llvm/trunk 225366)"}111!37 = !DIExpression()112!38 = !DILocation(line: 3, column: 16, scope: !12)113!39 = !DILocation(line: 5, column: 3, scope: !12)114!40 = !DILocation(line: 10, column: 16, scope: !19)115!41 = !DILocation(line: 12, column: 3, scope: !19)116!42 = !DILocation(line: 16, column: 6, scope: !24)117!43 = !DILocation(line: 17, column: 3, scope: !24)118