; RUN: llc < %s -filetype=obj | llvm-readobj - -codeview | FileCheck %s ; C++ source to regenerate: ; $ cat t.cpp ; char multi_dim_arr[2][5][7]; ; ; struct incomplete_struct(*p_incomplete_struct_arr)[3]; ; struct incomplete_struct { ; int s1; ; } incomplete_struct_arr[3]; ; ; void foo(int x) { ; int dyn_size_arr[x]; ; dyn_size_arr[0] = 0; ; } ; ; typedef const volatile int T_INT; ; T_INT typedef_arr[4] = {0}; ; $ clang t.cpp -S -emit-llvm -g -gcodeview -o t.ll ; CHECK: CodeViewTypes [ ; CHECK: Section: .debug$T (6) ; CHECK: Magic: 0x4 ; CHECK: ArgList (0x1000) { ; CHECK: TypeLeafKind: LF_ARGLIST (0x1201) ; CHECK: NumArgs: 1 ; CHECK: Arguments [ ; CHECK: ArgType: int (0x74) ; CHECK: ] ; CHECK: } ; CHECK: Procedure (0x1001) { ; CHECK: TypeLeafKind: LF_PROCEDURE (0x1008) ; CHECK: ReturnType: void (0x3) ; CHECK: CallingConvention: NearC (0x0) ; CHECK: FunctionOptions [ (0x0) ; CHECK: ] ; CHECK: NumParameters: 1 ; CHECK: ArgListType: (int) (0x1000) ; CHECK: } ; CHECK: FuncId (0x1002) { ; CHECK: TypeLeafKind: LF_FUNC_ID (0x1601) ; CHECK: ParentScope: 0x0 ; CHECK: FunctionType: void (int) (0x1001) ; CHECK: Name: foo ; CHECK: } ; CHECK: Array (0x1003) { ; CHECK: TypeLeafKind: LF_ARRAY (0x1503) ; CHECK: ElementType: int (0x74) ; CHECK: IndexType: unsigned long (0x22) ; CHECK: SizeOf: 4 ; CHECK: Name: ; CHECK: } ; CHECK: Array (0x1004) { ; CHECK: TypeLeafKind: LF_ARRAY (0x1503) ; CHECK: ElementType: char (0x70) ; CHECK: IndexType: unsigned long (0x22) ; CHECK: SizeOf: 7 ; CHECK: Name: ; CHECK: } ; CHECK: Array (0x1005) { ; CHECK: TypeLeafKind: LF_ARRAY (0x1503) ; CHECK: ElementType: 0x1004 ; CHECK: IndexType: unsigned long (0x22) ; CHECK: SizeOf: 35 ; CHECK: Name: ; CHECK: } ; CHECK: Array (0x1006) { ; CHECK: TypeLeafKind: LF_ARRAY (0x1503) ; CHECK: ElementType: 0x1005 ; CHECK: IndexType: unsigned long (0x22) ; CHECK: SizeOf: 70 ; CHECK: Name: ; CHECK: } ; CHECK: Struct (0x1007) { ; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505) ; CHECK: MemberCount: 0 ; CHECK: Properties [ (0x280) ; CHECK: ForwardReference (0x80) ; CHECK: HasUniqueName (0x200) ; CHECK: ] ; CHECK: FieldList: 0x0 ; CHECK: DerivedFrom: 0x0 ; CHECK: VShape: 0x0 ; CHECK: SizeOf: 0 ; CHECK: Name: incomplete_struct ; CHECK: LinkageName: .?AUincomplete_struct@@ ; CHECK: } ; CHECK: Array (0x1008) { ; CHECK: TypeLeafKind: LF_ARRAY (0x1503) ; CHECK: ElementType: incomplete_struct (0x1007) ; CHECK: IndexType: unsigned long (0x22) ; CHECK: SizeOf: 12 ; CHECK: Name: ; CHECK: } ; CHECK: Pointer (0x1009) { ; CHECK: TypeLeafKind: LF_POINTER (0x1002) ; CHECK: PointeeType: 0x1008 ; CHECK: PointerAttributes: 0x800A ; CHECK: PtrType: Near32 (0xA) ; CHECK: PtrMode: Pointer (0x0) ; CHECK: IsFlat: 0 ; CHECK: IsConst: 0 ; CHECK: IsVolatile: 0 ; CHECK: IsUnaligned: 0 ; CHECK: SizeOf: 4 ; CHECK: } ; ; CHECK: Modifier (0x100E) { ; CHECK: TypeLeafKind: LF_MODIFIER (0x1001) ; CHECK: ModifiedType: int (0x74) ; CHECK: Modifiers [ (0x3) ; CHECK: Const (0x1) ; CHECK: Volatile (0x2) ; CHECK: ] ; CHECK: } ; CHECK: Array (0x100F) { ; CHECK: TypeLeafKind: LF_ARRAY (0x1503) ; CHECK: ElementType: const volatile int (0x100E) ; CHECK: IndexType: unsigned long (0x22) ; CHECK: SizeOf: 16 ; CHECK: Name: ; CHECK: } ; CHECK: ] target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" target triple = "i686-pc-windows-msvc18.0.31101" %struct.incomplete_struct = type { i32 } @"\01?multi_dim_arr@@3PAY146DA" = global [2 x [5 x [7 x i8]]] zeroinitializer, align 1 @"\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A" = global [3 x i8]* null, align 4 @"\01?incomplete_struct_arr@@3PAUincomplete_struct@@A" = global [3 x %struct.incomplete_struct] zeroinitializer, align 4 @"\01?typedef_arr@@3SDHD" = constant [4 x i32] zeroinitializer, align 4 ; Function Attrs: nounwind define void @"\01?foo@@YAXH@Z"(i32 %x) #0 !dbg !31 { entry: %x.addr = alloca i32, align 4 %saved_stack = alloca i8*, align 4 store i32 %x, i32* %x.addr, align 4 call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !34, metadata !35), !dbg !36 %0 = load i32, i32* %x.addr, align 4, !dbg !37 %1 = call i8* @llvm.stacksave(), !dbg !38 store i8* %1, i8** %saved_stack, align 4, !dbg !38 %vla = alloca i32, i32 %0, align 4, !dbg !38 call void @llvm.dbg.declare(metadata i32* %vla, metadata !39, metadata !43), !dbg !44 %arrayidx = getelementptr inbounds i32, i32* %vla, i32 0, !dbg !45 store i32 0, i32* %arrayidx, align 4, !dbg !46 %2 = load i8*, i8** %saved_stack, align 4, !dbg !47 call void @llvm.stackrestore(i8* %2), !dbg !47 ret void, !dbg !47 } ; Function Attrs: nounwind readnone declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 ; Function Attrs: nounwind declare i8* @llvm.stacksave() #2 ; Function Attrs: nounwind declare void @llvm.stackrestore(i8*) #2 attributes #0 = { nounwind } attributes #1 = { nounwind readnone } attributes #2 = { nounwind } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!28, !29} !llvm.ident = !{!30} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 273874)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3) !1 = !DIFile(filename: "t.cpp", directory: "/") !2 = !{} !3 = !{!4, !11, !20, !21} !4 = distinct !DIGlobalVariable(name: "multi_dim_arr", linkageName: "\01?multi_dim_arr@@3PAY146DA", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, variable: [2 x [5 x [7 x i8]]]* @"\01?multi_dim_arr@@3PAY146DA") !5 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 560, align: 8, elements: !7) !6 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) !7 = !{!8, !9, !10} !8 = !DISubrange(count: 2) !9 = !DISubrange(count: 5) !10 = !DISubrange(count: 7) !11 = distinct !DIGlobalVariable(name: "p_incomplete_struct_arr", linkageName: "\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A", scope: !0, file: !1, line: 3, type: !12, isLocal: false, isDefinition: true, variable: [3 x i8]** @"\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A") !12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 32, align: 32) !13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, elements: !18) !14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "incomplete_struct", file: !1, line: 4, size: 32, align: 32, elements: !15, identifier: ".?AUincomplete_struct@@") !15 = !{!16} !16 = !DIDerivedType(tag: DW_TAG_member, name: "s1", scope: !14, file: !1, line: 5, baseType: !17, size: 32, align: 32) !17 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !18 = !{!19} !19 = !DISubrange(count: 3) !20 = distinct !DIGlobalVariable(name: "incomplete_struct_arr", linkageName: "\01?incomplete_struct_arr@@3PAUincomplete_struct@@A", scope: !0, file: !1, line: 6, type: !13, isLocal: false, isDefinition: true, variable: [3 x %struct.incomplete_struct]* @"\01?incomplete_struct_arr@@3PAUincomplete_struct@@A") !21 = distinct !DIGlobalVariable(name: "typedef_arr", linkageName: "\01?typedef_arr@@3SDHD", scope: !0, file: !1, line: 14, type: !22, isLocal: false, isDefinition: true, variable: [4 x i32]* @"\01?typedef_arr@@3SDHD") !22 = !DICompositeType(tag: DW_TAG_array_type, baseType: !23, size: 128, align: 32, elements: !26) !23 = !DIDerivedType(tag: DW_TAG_typedef, name: "T_INT", file: !1, line: 13, baseType: !24) !24 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !25) !25 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !17) !26 = !{!27} !27 = !DISubrange(count: 4) !28 = !{i32 2, !"CodeView", i32 1} !29 = !{i32 2, !"Debug Info Version", i32 3} !30 = !{!"clang version 3.9.0 (trunk 273874)"} !31 = distinct !DISubprogram(name: "foo", linkageName: "\01?foo@@YAXH@Z", scope: !1, file: !1, line: 8, type: !32, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) !32 = !DISubroutineType(types: !33) !33 = !{null, !17} !34 = !DILocalVariable(name: "x", arg: 1, scope: !31, file: !1, line: 8, type: !17) !35 = !DIExpression() !36 = !DILocation(line: 8, column: 14, scope: !31) !37 = !DILocation(line: 9, column: 21, scope: !31) !38 = !DILocation(line: 9, column: 4, scope: !31) !39 = !DILocalVariable(name: "dyn_size_arr", scope: !31, file: !1, line: 9, type: !40) !40 = !DICompositeType(tag: DW_TAG_array_type, baseType: !17, align: 32, elements: !41) !41 = !{!42} !42 = !DISubrange(count: -1) !43 = !DIExpression(DW_OP_deref) !44 = !DILocation(line: 9, column: 8, scope: !31) !45 = !DILocation(line: 10, column: 4, scope: !31) !46 = !DILocation(line: 10, column: 20, scope: !31) !47 = !DILocation(line: 11, column: 1, scope: !31)