1 ; RUN: llc %s -filetype=obj -o %t.o 2 ; RUN: llvm-dwarfdump -v -debug-info %t.o | FileCheck %s 3 ; Test emitting a constant for an aggregate type. 4 ; 5 ; clang -S -O1 -emit-llvm 6 ; 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_parameter 27 ; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata] (1) 28 ; CHECK-NEXT: DW_AT_name {{.*}} "s" 29 ; 30 ; CHECK: DW_TAG_formal_parameter 31 ; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata] (2) 32 ; CHECK-NEXT: DW_AT_name {{.*}} "c" 33 ; 34 ; CHECK: DW_TAG_variable 35 ; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata] (3) 36 ; CHECK-NEXT: DW_AT_name {{.*}} "a" 37 38 ; ModuleID = 'sroasplit-4.cpp' 39 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 40 target triple = "x86_64-apple-macosx10.10.0" 41 42 ; Function Attrs: nounwind readnone ssp uwtable 43 define i32 @_Z3foo1S(i32 %s.coerce) #0 !dbg !12 { 44 entry: 45 tail call void @llvm.dbg.value(metadata i32 %s.coerce, metadata !18, metadata !37), !dbg !38 46 tail call void @llvm.dbg.value(metadata i32 1, metadata !18, metadata !37), !dbg !38 47 ret i32 1, !dbg !39 48 } 49 50 ; Function Attrs: nounwind readnone ssp uwtable 51 define i32 @_Z3foo1C(i32 %c.coerce) #0 !dbg !19 { 52 entry: 53 tail call void @llvm.dbg.value(metadata i32 %c.coerce, metadata !23, metadata !37), !dbg !40 54 tail call void @llvm.dbg.value(metadata i32 2, metadata !23, metadata !37), !dbg !40 55 ret i32 2, !dbg !41 56 } 57 58 ; Function Attrs: nounwind readnone ssp uwtable 59 define i32 @_Z3barv() #0 !dbg !24 { 60 entry: 61 tail call void @llvm.dbg.value(metadata i32 3, metadata !28, metadata !37), !dbg !42 62 ret i32 3, !dbg !43 63 } 64 65 ; Function Attrs: nounwind readnone 66 declare void @llvm.dbg.value(metadata, metadata, metadata) #1 67 68 attributes #0 = { nounwind readnone ssp uwtable } 69 attributes #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
