|  | ; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s | 
|  | ; RUN: llc < %s | llvm-mc -filetype=obj --triple=x86_64-windows | llvm-readobj - --codeview | FileCheck %s | 
|  |  | 
|  | ; C++ source used to generate IR: | 
|  | ; $ cat t.cpp | 
|  | ; struct A { | 
|  | ;   virtual int f(); | 
|  | ; }; | 
|  | ; struct B { | 
|  | ;   virtual int g() = 0; | 
|  | ; }; | 
|  | ; struct C : A, B { | 
|  | ;   int c = 42; | 
|  | ;   virtual int g(); | 
|  | ; }; | 
|  | ; int C::g() { return c; } | 
|  | ; struct D : virtual B { | 
|  | ;   int d = 13; | 
|  | ;   virtual int g(); | 
|  | ; }; | 
|  | ; int D::g() { return d; } | 
|  | ; $ clang t.cpp -S -emit-llvm -fstandalone-debug -g -gcodeview -o t.ll | 
|  |  | 
|  | ; A::f | 
|  | ; CHECK:      MemberFunction ({{.*}}) { | 
|  | ; CHECK-NEXT:   TypeLeafKind: LF_MFUNCTION (0x1009) | 
|  | ; CHECK-NEXT:   ReturnType: int (0x74) | 
|  | ; CHECK-NEXT:   ClassType: A ({{.*}}) | 
|  | ; CHECK-NEXT:   ThisType: A* const ({{.*}}) | 
|  | ; CHECK-NEXT:   CallingConvention: NearC (0x0) | 
|  | ; CHECK-NEXT:   FunctionOptions [ (0x0) | 
|  | ; CHECK-NEXT:   ] | 
|  | ; CHECK-NEXT:   NumParameters: 0 | 
|  | ; CHECK-NEXT:   ArgListType: () ({{.*}}) | 
|  | ; CHECK-NEXT:   ThisAdjustment: 0 | 
|  | ; CHECK-NEXT: } | 
|  |  | 
|  | ; A::g | 
|  | ; CHECK:      MemberFunction ({{.*}}) { | 
|  | ; CHECK-NEXT:   TypeLeafKind: LF_MFUNCTION (0x1009) | 
|  | ; CHECK-NEXT:   ReturnType: int (0x74) | 
|  | ; CHECK-NEXT:   ClassType: B ({{.*}}) | 
|  | ; CHECK-NEXT:   ThisType: B* const ({{.*}}) | 
|  | ; CHECK-NEXT:   CallingConvention: NearC (0x0) | 
|  | ; CHECK-NEXT:   FunctionOptions [ (0x0) | 
|  | ; CHECK-NEXT:   ] | 
|  | ; CHECK-NEXT:   NumParameters: 0 | 
|  | ; CHECK-NEXT:   ArgListType: () ({{.*}}) | 
|  | ; CHECK-NEXT:   ThisAdjustment: 0 | 
|  | ; CHECK-NEXT: } | 
|  |  | 
|  | ; C::g | 
|  | ; CHECK:      MemberFunction ([[C_g:.*]]) { | 
|  | ; CHECK-NEXT:   TypeLeafKind: LF_MFUNCTION (0x1009) | 
|  | ; CHECK-NEXT:   ReturnType: int (0x74) | 
|  | ; CHECK-NEXT:   ClassType: C ({{.*}}) | 
|  | ; CHECK-NEXT:   ThisType: C* const ({{.*}}) | 
|  | ; CHECK-NEXT:   CallingConvention: NearC (0x0) | 
|  | ; CHECK-NEXT:   FunctionOptions [ (0x0) | 
|  | ; CHECK-NEXT:   ] | 
|  | ; CHECK-NEXT:   NumParameters: 0 | 
|  | ; CHECK-NEXT:   ArgListType: () ({{.*}}) | 
|  | ; CHECK-NEXT:   ThisAdjustment: 8 | 
|  | ; CHECK-NEXT: } | 
|  |  | 
|  | ; CHECK:      FieldList ({{.*}}) { | 
|  | ; CHECK:        OneMethod { | 
|  | ; CHECK-NEXT:     TypeLeafKind: LF_ONEMETHOD (0x1511) | 
|  | ; CHECK-NEXT:     AccessSpecifier: Public (0x3) | 
|  | ; CHECK-NEXT:     MethodKind: Virtual (0x1) | 
|  | ; CHECK-NEXT:     Type: int C::() ([[C_g]]) | 
|  | ; CHECK-NEXT:     Name: g | 
|  | ; CHECK-NEXT:   } | 
|  | ; CHECK-NEXT: } | 
|  |  | 
|  | ; D::g | 
|  | ; CHECK:      MemberFunction ([[D_g:.*]]) { | 
|  | ; CHECK-NEXT:   TypeLeafKind: LF_MFUNCTION (0x1009) | 
|  | ; CHECK-NEXT:   ReturnType: int (0x74) | 
|  | ; CHECK-NEXT:   ClassType: D ({{.*}}) | 
|  | ; CHECK-NEXT:   ThisType: D* const ({{.*}}) | 
|  | ; CHECK-NEXT:   CallingConvention: NearC (0x0) | 
|  | ; CHECK-NEXT:   FunctionOptions [ (0x0) | 
|  | ; CHECK-NEXT:   ] | 
|  | ; CHECK-NEXT:   NumParameters: 0 | 
|  | ; CHECK-NEXT:   ArgListType: () ({{.*}}) | 
|  | ; CHECK-NEXT:   ThisAdjustment: 16 | 
|  | ; CHECK-NEXT: } | 
|  |  | 
|  | ; CHECK:      FieldList ({{.*}}) { | 
|  | ; CHECK:        OneMethod { | 
|  | ; CHECK-NEXT:     TypeLeafKind: LF_ONEMETHOD (0x1511) | 
|  | ; CHECK-NEXT:     AccessSpecifier: Public (0x3) | 
|  | ; CHECK-NEXT:     MethodKind: Virtual (0x1) | 
|  | ; CHECK-NEXT:     Type: int D::() ([[D_g]]) | 
|  | ; CHECK-NEXT:     Name: g | 
|  | ; CHECK-NEXT:   } | 
|  | ; CHECK-NEXT: } | 
|  |  | 
|  | ; Need to skip constructor IDs... | 
|  | ; CHECK: MemberFuncId ({{.*}}) { | 
|  | ; CHECK:   TypeLeafKind: LF_MFUNC_ID (0x1602) | 
|  | ; CHECK:   ClassType: A | 
|  | ; CHECK:   FunctionType: void A::() | 
|  | ; CHECK:   Name: A | 
|  | ; CHECK: } | 
|  | ; CHECK: MemberFuncId ({{.*}}) { | 
|  | ; CHECK:   TypeLeafKind: LF_MFUNC_ID (0x1602) | 
|  | ; CHECK:   ClassType: B | 
|  | ; CHECK:   FunctionType: void B::() | 
|  | ; CHECK:   Name: B | 
|  | ; CHECK: } | 
|  | ; CHECK: MemberFuncId ({{.*}}) { | 
|  | ; CHECK:   TypeLeafKind: LF_MFUNC_ID (0x1602) | 
|  | ; CHECK:   ClassType: C | 
|  | ; CHECK:   FunctionType: void C::() | 
|  | ; CHECK:   Name: C | 
|  | ; CHECK: } | 
|  | ; CHECK: MemberFuncId ({{.*}}) { | 
|  | ; CHECK:   TypeLeafKind: LF_MFUNC_ID (0x1602) | 
|  | ; CHECK:   ClassType: D | 
|  | ; CHECK:   FunctionType: void D::() | 
|  | ; CHECK:   Name: D | 
|  | ; CHECK: } | 
|  |  | 
|  | ; CHECK:      MemberFuncId ({{.*}}) { | 
|  | ; CHECK-NEXT:   TypeLeafKind: LF_MFUNC_ID (0x1602) | 
|  | ; CHECK-NEXT:   ClassType: C ({{.*}}) | 
|  | ; CHECK-NEXT:   FunctionType: int C::() ([[C_g]]) | 
|  | ; CHECK-NEXT:   Name: g | 
|  | ; CHECK-NEXT: } | 
|  |  | 
|  | ; CHECK:      MemberFuncId ({{.*}}) { | 
|  | ; CHECK-NEXT:   TypeLeafKind: LF_MFUNC_ID (0x1602) | 
|  | ; CHECK-NEXT:   ClassType: D ({{.*}}) | 
|  | ; CHECK-NEXT:   FunctionType: int D::() ([[D_g]]) | 
|  | ; CHECK-NEXT:   Name: g | 
|  | ; CHECK-NEXT: } | 
|  |  | 
|  | ; ModuleID = 't.cpp' | 
|  | source_filename = "t.cpp" | 
|  | target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" | 
|  | target triple = "x86_64-pc-windows-msvc19.0.23918" | 
|  |  | 
|  | %struct.A = type { ptr } | 
|  | %struct.B = type { ptr } | 
|  | %struct.C = type { %struct.A, %struct.B, i32 } | 
|  | %struct.D = type { ptr, i32, %struct.B } | 
|  |  | 
|  | $"\01??0A@@QEAA@XZ" = comdat any | 
|  |  | 
|  | $"\01??0B@@QEAA@XZ" = comdat any | 
|  |  | 
|  | $"\01??0C@@QEAA@XZ" = comdat any | 
|  |  | 
|  | $"\01??0D@@QEAA@XZ" = comdat any | 
|  |  | 
|  | $"\01?g@C@@UEAAHXZ" = comdat any | 
|  |  | 
|  | $"\01?g@D@@UEAAHXZ" = comdat any | 
|  |  | 
|  | $"\01??_7A@@6B@" = comdat any | 
|  |  | 
|  | $"\01??_7B@@6B@" = comdat any | 
|  |  | 
|  | $"\01??_7C@@6BA@@@" = comdat any | 
|  |  | 
|  | $"\01??_7C@@6BB@@@" = comdat any | 
|  |  | 
|  | $"\01??_8D@@7B@" = comdat any | 
|  |  | 
|  | $"\01??_7D@@6B@" = comdat any | 
|  |  | 
|  | @"\01??_7A@@6B@" = linkonce_odr unnamed_addr constant [1 x ptr] [ptr @"\01?f@A@@UEAAHXZ"], comdat | 
|  | @"\01??_7B@@6B@" = linkonce_odr unnamed_addr constant [1 x ptr] [ptr @"\01?g@B@@UEAAHXZ"], comdat | 
|  | @"\01??_7C@@6BA@@@" = linkonce_odr unnamed_addr constant [1 x ptr] [ptr @"\01?f@A@@UEAAHXZ"], comdat | 
|  | @"\01??_7C@@6BB@@@" = linkonce_odr unnamed_addr constant [1 x ptr] [ptr @"\01?g@C@@UEAAHXZ"], comdat | 
|  | @"\01??_8D@@7B@" = linkonce_odr unnamed_addr constant [2 x i32] [i32 0, i32 16], comdat | 
|  | @"\01??_7D@@6B@" = linkonce_odr unnamed_addr constant [1 x ptr] [ptr @"\01?g@D@@UEAAHXZ"], comdat | 
|  |  | 
|  | ; Function Attrs: uwtable | 
|  | define void @"\01?usetypes@@YAXXZ"() #0 !dbg !7 { | 
|  | entry: | 
|  | %a = alloca %struct.A, align 8 | 
|  | %b = alloca %struct.B, align 8 | 
|  | %c = alloca %struct.C, align 8 | 
|  | %d = alloca %struct.D, align 8 | 
|  | call void @llvm.dbg.declare(metadata ptr %a, metadata !10, metadata !23), !dbg !24 | 
|  | %call = call ptr @"\01??0A@@QEAA@XZ"(ptr %a) #5, !dbg !24 | 
|  | call void @llvm.dbg.declare(metadata ptr %b, metadata !25, metadata !23), !dbg !33 | 
|  | %call1 = call ptr @"\01??0B@@QEAA@XZ"(ptr %b) #5, !dbg !33 | 
|  | call void @llvm.dbg.declare(metadata ptr %c, metadata !34, metadata !23), !dbg !44 | 
|  | %call2 = call ptr @"\01??0C@@QEAA@XZ"(ptr %c) #5, !dbg !44 | 
|  | call void @llvm.dbg.declare(metadata ptr %d, metadata !45, metadata !23), !dbg !55 | 
|  | %call3 = call ptr @"\01??0D@@QEAA@XZ"(ptr %d, i32 1) #5, !dbg !55 | 
|  | %0 = bitcast ptr %c to ptr, !dbg !56 | 
|  | %1 = getelementptr i8, ptr %0, i64 8, !dbg !56 | 
|  | %call4 = call i32 @"\01?g@C@@UEAAHXZ"(ptr %1), !dbg !56 | 
|  | ret void, !dbg !57 | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind readnone | 
|  | declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 | 
|  |  | 
|  | ; Function Attrs: inlinehint nounwind uwtable | 
|  | define linkonce_odr ptr @"\01??0A@@QEAA@XZ"(ptr returned %this) unnamed_addr #2 comdat align 2 !dbg !58 { | 
|  | entry: | 
|  | %this.addr = alloca ptr, align 8 | 
|  | store ptr %this, ptr %this.addr, align 8 | 
|  | call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !62, metadata !23), !dbg !64 | 
|  | %this1 = load ptr, ptr %this.addr, align 8 | 
|  | %0 = bitcast ptr %this1 to ptr, !dbg !65 | 
|  | store ptr @"\01??_7A@@6B@", ptr %0, align 8, !dbg !65 | 
|  | ret ptr %this1, !dbg !65 | 
|  | } | 
|  |  | 
|  | ; Function Attrs: inlinehint nounwind uwtable | 
|  | define linkonce_odr ptr @"\01??0B@@QEAA@XZ"(ptr returned %this) unnamed_addr #2 comdat align 2 !dbg !66 { | 
|  | entry: | 
|  | %this.addr = alloca ptr, align 8 | 
|  | store ptr %this, ptr %this.addr, align 8 | 
|  | call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !70, metadata !23), !dbg !72 | 
|  | %this1 = load ptr, ptr %this.addr, align 8 | 
|  | %0 = bitcast ptr %this1 to ptr, !dbg !73 | 
|  | store ptr @"\01??_7B@@6B@", ptr %0, align 8, !dbg !73 | 
|  | ret ptr %this1, !dbg !73 | 
|  | } | 
|  |  | 
|  | ; Function Attrs: inlinehint nounwind uwtable | 
|  | define linkonce_odr ptr @"\01??0C@@QEAA@XZ"(ptr returned %this) unnamed_addr #2 comdat align 2 !dbg !74 { | 
|  | entry: | 
|  | %this.addr = alloca ptr, align 8 | 
|  | store ptr %this, ptr %this.addr, align 8 | 
|  | call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !78, metadata !23), !dbg !80 | 
|  | %this1 = load ptr, ptr %this.addr, align 8 | 
|  | %0 = bitcast ptr %this1 to ptr, !dbg !81 | 
|  | %call = call ptr @"\01??0A@@QEAA@XZ"(ptr %0) #5, !dbg !81 | 
|  | %1 = bitcast ptr %this1 to ptr, !dbg !81 | 
|  | %2 = getelementptr inbounds i8, ptr %1, i64 8, !dbg !81 | 
|  | %3 = bitcast ptr %2 to ptr, !dbg !81 | 
|  | %call2 = call ptr @"\01??0B@@QEAA@XZ"(ptr %3) #5, !dbg !81 | 
|  | %4 = bitcast ptr %this1 to ptr, !dbg !81 | 
|  | store ptr @"\01??_7C@@6BA@@@", ptr %4, align 8, !dbg !81 | 
|  | %5 = bitcast ptr %this1 to ptr, !dbg !81 | 
|  | %add.ptr = getelementptr inbounds i8, ptr %5, i64 8, !dbg !81 | 
|  | %6 = bitcast ptr %add.ptr to ptr, !dbg !81 | 
|  | store ptr @"\01??_7C@@6BB@@@", ptr %6, align 8, !dbg !81 | 
|  | %c = getelementptr inbounds %struct.C, ptr %this1, i32 0, i32 2, !dbg !82 | 
|  | store i32 42, ptr %c, align 8, !dbg !82 | 
|  | ret ptr %this1, !dbg !81 | 
|  | } | 
|  |  | 
|  | ; Function Attrs: inlinehint nounwind uwtable | 
|  | define linkonce_odr ptr @"\01??0D@@QEAA@XZ"(ptr returned %this, i32 %is_most_derived) unnamed_addr #2 comdat align 2 !dbg !83 { | 
|  | entry: | 
|  | %retval = alloca ptr, align 8 | 
|  | %is_most_derived.addr = alloca i32, align 4 | 
|  | %this.addr = alloca ptr, align 8 | 
|  | store i32 %is_most_derived, ptr %is_most_derived.addr, align 4 | 
|  | call void @llvm.dbg.declare(metadata ptr %is_most_derived.addr, metadata !87, metadata !23), !dbg !88 | 
|  | store ptr %this, ptr %this.addr, align 8 | 
|  | call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !89, metadata !23), !dbg !88 | 
|  | %this1 = load ptr, ptr %this.addr, align 8 | 
|  | store ptr %this1, ptr %retval, align 8 | 
|  | %is_most_derived2 = load i32, ptr %is_most_derived.addr, align 4 | 
|  | %is_complete_object = icmp ne i32 %is_most_derived2, 0, !dbg !91 | 
|  | br i1 %is_complete_object, label %ctor.init_vbases, label %ctor.skip_vbases, !dbg !91 | 
|  |  | 
|  | ctor.init_vbases:                                 ; preds = %entry | 
|  | %this.int8 = bitcast ptr %this1 to ptr, !dbg !91 | 
|  | %0 = getelementptr inbounds i8, ptr %this.int8, i64 0, !dbg !91 | 
|  | %vbptr.D = bitcast ptr %0 to ptr, !dbg !91 | 
|  | store ptr @"\01??_8D@@7B@", ptr %vbptr.D, align 8, !dbg !91 | 
|  | %1 = bitcast ptr %this1 to ptr, !dbg !91 | 
|  | %2 = getelementptr inbounds i8, ptr %1, i64 16, !dbg !91 | 
|  | %3 = bitcast ptr %2 to ptr, !dbg !91 | 
|  | %call = call ptr @"\01??0B@@QEAA@XZ"(ptr %3) #5, !dbg !91 | 
|  | br label %ctor.skip_vbases, !dbg !91 | 
|  |  | 
|  | ctor.skip_vbases:                                 ; preds = %ctor.init_vbases, %entry | 
|  | %4 = bitcast ptr %this1 to ptr, !dbg !91 | 
|  | %vbptr = getelementptr inbounds i8, ptr %4, i64 0, !dbg !91 | 
|  | %5 = bitcast ptr %vbptr to ptr, !dbg !91 | 
|  | %vbtable = load ptr, ptr %5, align 8, !dbg !91 | 
|  | %6 = getelementptr inbounds i32, ptr %vbtable, i32 1, !dbg !91 | 
|  | %vbase_offs = load i32, ptr %6, align 4, !dbg !91 | 
|  | %7 = sext i32 %vbase_offs to i64, !dbg !91 | 
|  | %8 = add nsw i64 0, %7, !dbg !91 | 
|  | %9 = bitcast ptr %this1 to ptr, !dbg !91 | 
|  | %add.ptr = getelementptr inbounds i8, ptr %9, i64 %8, !dbg !91 | 
|  | %10 = bitcast ptr %add.ptr to ptr, !dbg !91 | 
|  | store ptr @"\01??_7D@@6B@", ptr %10, align 8, !dbg !91 | 
|  | %d = getelementptr inbounds %struct.D, ptr %this1, i32 0, i32 1, !dbg !92 | 
|  | store i32 13, ptr %d, align 8, !dbg !92 | 
|  | %11 = load ptr, ptr %retval, align 8, !dbg !91 | 
|  | ret ptr %11, !dbg !91 | 
|  | } | 
|  |  | 
|  | ; Function Attrs: nounwind uwtable | 
|  | define linkonce_odr i32 @"\01?g@C@@UEAAHXZ"(ptr) unnamed_addr #3 comdat align 2 !dbg !93 { | 
|  | entry: | 
|  | %this.addr = alloca ptr, align 8 | 
|  | %1 = getelementptr inbounds i8, ptr %0, i32 -8 | 
|  | %this = bitcast ptr %1 to ptr | 
|  | store ptr %this, ptr %this.addr, align 8 | 
|  | call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !94, metadata !23), !dbg !95 | 
|  | %this1 = load ptr, ptr %this.addr, align 8 | 
|  | %c = getelementptr inbounds %struct.C, ptr %this1, i32 0, i32 2, !dbg !96 | 
|  | %2 = load i32, ptr %c, align 8, !dbg !96 | 
|  | ret i32 %2, !dbg !97 | 
|  | } | 
|  |  | 
|  | declare i32 @"\01?f@A@@UEAAHXZ"(ptr) unnamed_addr #4 | 
|  |  | 
|  | declare i32 @"\01?g@B@@UEAAHXZ"(ptr) unnamed_addr #4 | 
|  |  | 
|  | ; Function Attrs: nounwind uwtable | 
|  | define linkonce_odr i32 @"\01?g@D@@UEAAHXZ"(ptr) unnamed_addr #3 comdat align 2 !dbg !98 { | 
|  | entry: | 
|  | %this.addr = alloca ptr, align 8 | 
|  | %1 = getelementptr inbounds i8, ptr %0, i32 -16 | 
|  | %this = bitcast ptr %1 to ptr | 
|  | store ptr %this, ptr %this.addr, align 8 | 
|  | call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !99, metadata !23), !dbg !100 | 
|  | %this1 = load ptr, ptr %this.addr, align 8 | 
|  | %d = getelementptr inbounds %struct.D, ptr %this1, i32 0, i32 1, !dbg !101 | 
|  | %2 = load i32, ptr %d, align 8, !dbg !101 | 
|  | ret i32 %2, !dbg !102 | 
|  | } | 
|  |  | 
|  | attributes #0 = { uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } | 
|  | attributes #1 = { nounwind readnone } | 
|  | attributes #2 = { inlinehint nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } | 
|  | attributes #3 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } | 
|  | attributes #4 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } | 
|  | attributes #5 = { nounwind } | 
|  |  | 
|  | !llvm.dbg.cu = !{!0} | 
|  | !llvm.module.flags = !{!3, !4, !5} | 
|  | !llvm.ident = !{!6} | 
|  |  | 
|  | !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) | 
|  | !1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild") | 
|  | !2 = !{} | 
|  | !3 = !{i32 2, !"CodeView", i32 1} | 
|  | !4 = !{i32 2, !"Debug Info Version", i32 3} | 
|  | !5 = !{i32 1, !"PIC Level", i32 2} | 
|  | !6 = !{!"clang version 3.9.0 "} | 
|  | !7 = distinct !DISubprogram(name: "usetypes", linkageName: "\01?usetypes@@YAXXZ", scope: !1, file: !1, line: 15, type: !8, isLocal: false, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2) | 
|  | !8 = !DISubroutineType(types: !9) | 
|  | !9 = !{null} | 
|  | !10 = !DILocalVariable(name: "a", scope: !7, file: !1, line: 16, type: !11) | 
|  | !11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "A", file: !1, line: 1, size: 64, align: 64, elements: !12, vtableHolder: !11, identifier: ".?AUA@@") | 
|  | !12 = !{!13, !19} | 
|  | !13 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", scope: !1, file: !1, baseType: !14, size: 64, flags: DIFlagArtificial) | 
|  | !14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64) | 
|  | !15 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", baseType: !16, size: 64) | 
|  | !16 = !DISubroutineType(types: !17) | 
|  | !17 = !{!18} | 
|  | !18 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) | 
|  | !19 = !DISubprogram(name: "f", linkageName: "\01?f@A@@UEAAHXZ", scope: !11, file: !1, line: 2, type: !20, isLocal: false, isDefinition: false, scopeLine: 2, containingType: !11, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, flags: DIFlagPrototyped | DIFlagIntroducedVirtual, isOptimized: false) | 
|  | !20 = !DISubroutineType(types: !21) | 
|  | !21 = !{!18, !22} | 
|  | !22 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !23 = !DIExpression() | 
|  | !24 = !DILocation(line: 16, column: 5, scope: !7) | 
|  | !25 = !DILocalVariable(name: "b", scope: !7, file: !1, line: 17, type: !26) | 
|  | !26 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "B", file: !1, line: 4, size: 64, align: 64, elements: !27, vtableHolder: !26, identifier: ".?AUB@@") | 
|  | !27 = !{!28, !29} | 
|  | !28 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$B", scope: !1, file: !1, baseType: !14, size: 64, flags: DIFlagArtificial) | 
|  | !29 = !DISubprogram(name: "g", linkageName: "\01?g@B@@UEAAHXZ", scope: !26, file: !1, line: 5, type: !30, isLocal: false, isDefinition: false, scopeLine: 5, containingType: !26, virtuality: DW_VIRTUALITY_pure_virtual, virtualIndex: 0, flags: DIFlagPrototyped | DIFlagIntroducedVirtual, isOptimized: false) | 
|  | !30 = !DISubroutineType(types: !31) | 
|  | !31 = !{!18, !32} | 
|  | !32 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !26, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !33 = !DILocation(line: 17, column: 5, scope: !7) | 
|  | !34 = !DILocalVariable(name: "c", scope: !7, file: !1, line: 18, type: !35) | 
|  | !35 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C", file: !1, line: 7, size: 192, align: 64, elements: !36, vtableHolder: !11, identifier: ".?AUC@@") | 
|  | !36 = !{!37, !38, !39, !40} | 
|  | !37 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !35, baseType: !11) | 
|  | !38 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !35, baseType: !26, offset: 64) | 
|  | !39 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !35, file: !1, line: 8, baseType: !18, size: 32, align: 32, offset: 128) | 
|  | !40 = !DISubprogram(name: "g", linkageName: "\01?g@C@@UEAAHXZ", scope: !35, file: !1, line: 9, type: !41, isLocal: false, isDefinition: false, scopeLine: 9, containingType: !35, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, thisAdjustment: 8, flags: DIFlagPrototyped, isOptimized: false) | 
|  | !41 = !DISubroutineType(types: !42) | 
|  | !42 = !{!18, !43} | 
|  | !43 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !35, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !44 = !DILocation(line: 18, column: 5, scope: !7) | 
|  | !45 = !DILocalVariable(name: "d", scope: !7, file: !1, line: 19, type: !46) | 
|  | !46 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "D", file: !1, line: 11, size: 192, align: 64, elements: !47, vtableHolder: !46, identifier: ".?AUD@@") | 
|  | !47 = !{!48, !49, !50, !51} | 
|  | !48 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !46, baseType: !26, offset: 4, flags: DIFlagVirtual) | 
|  | !49 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$D", scope: !1, file: !1, baseType: !14, size: 64, flags: DIFlagArtificial) | 
|  | !50 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !46, file: !1, line: 12, baseType: !18, size: 32, align: 32, offset: 64) | 
|  | !51 = !DISubprogram(name: "g", linkageName: "\01?g@D@@UEAAHXZ", scope: !46, file: !1, line: 13, type: !52, isLocal: false, isDefinition: false, scopeLine: 13, containingType: !46, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, thisAdjustment: 16, flags: DIFlagPrototyped, isOptimized: false) | 
|  | !52 = !DISubroutineType(types: !53) | 
|  | !53 = !{!18, !54} | 
|  | !54 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !46, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !55 = !DILocation(line: 19, column: 5, scope: !7) | 
|  | !56 = !DILocation(line: 20, column: 5, scope: !7) | 
|  | !57 = !DILocation(line: 21, column: 1, scope: !7) | 
|  | !58 = distinct !DISubprogram(name: "A", linkageName: "\01??0A@@QEAA@XZ", scope: !11, file: !1, line: 1, type: !59, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !61, retainedNodes: !2) | 
|  | !59 = !DISubroutineType(types: !60) | 
|  | !60 = !{null, !22} | 
|  | !61 = !DISubprogram(name: "A", scope: !11, type: !59, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false) | 
|  | !62 = !DILocalVariable(name: "this", arg: 1, scope: !58, type: !63, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !63 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, align: 64) | 
|  | !64 = !DILocation(line: 0, scope: !58) | 
|  | !65 = !DILocation(line: 1, column: 8, scope: !58) | 
|  | !66 = distinct !DISubprogram(name: "B", linkageName: "\01??0B@@QEAA@XZ", scope: !26, file: !1, line: 4, type: !67, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !69, retainedNodes: !2) | 
|  | !67 = !DISubroutineType(types: !68) | 
|  | !68 = !{null, !32} | 
|  | !69 = !DISubprogram(name: "B", scope: !26, type: !67, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false) | 
|  | !70 = !DILocalVariable(name: "this", arg: 1, scope: !66, type: !71, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !71 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !26, size: 64, align: 64) | 
|  | !72 = !DILocation(line: 0, scope: !66) | 
|  | !73 = !DILocation(line: 4, column: 8, scope: !66) | 
|  | !74 = distinct !DISubprogram(name: "C", linkageName: "\01??0C@@QEAA@XZ", scope: !35, file: !1, line: 7, type: !75, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !77, retainedNodes: !2) | 
|  | !75 = !DISubroutineType(types: !76) | 
|  | !76 = !{null, !43} | 
|  | !77 = !DISubprogram(name: "C", scope: !35, type: !75, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false) | 
|  | !78 = !DILocalVariable(name: "this", arg: 1, scope: !74, type: !79, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !79 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !35, size: 64, align: 64) | 
|  | !80 = !DILocation(line: 0, scope: !74) | 
|  | !81 = !DILocation(line: 7, column: 8, scope: !74) | 
|  | !82 = !DILocation(line: 8, column: 7, scope: !74) | 
|  | !83 = distinct !DISubprogram(name: "D", linkageName: "\01??0D@@QEAA@XZ", scope: !46, file: !1, line: 11, type: !84, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !86, retainedNodes: !2) | 
|  | !84 = !DISubroutineType(types: !85) | 
|  | !85 = !{null, !54} | 
|  | !86 = !DISubprogram(name: "D", scope: !46, type: !84, isLocal: false, isDefinition: false, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false) | 
|  | !87 = !DILocalVariable(name: "is_most_derived", arg: 2, scope: !83, type: !18, flags: DIFlagArtificial) | 
|  | !88 = !DILocation(line: 0, scope: !83) | 
|  | !89 = !DILocalVariable(name: "this", arg: 1, scope: !83, type: !90, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !90 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !46, size: 64, align: 64) | 
|  | !91 = !DILocation(line: 11, column: 8, scope: !83) | 
|  | !92 = !DILocation(line: 12, column: 7, scope: !83) | 
|  | !93 = distinct !DISubprogram(name: "g", linkageName: "\01?g@C@@UEAAHXZ", scope: !35, file: !1, line: 9, type: !41, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !40, retainedNodes: !2) | 
|  | !94 = !DILocalVariable(name: "this", arg: 1, scope: !93, type: !79, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !95 = !DILocation(line: 0, scope: !93) | 
|  | !96 = !DILocation(line: 9, column: 28, scope: !93) | 
|  | !97 = !DILocation(line: 9, column: 21, scope: !93) | 
|  | !98 = distinct !DISubprogram(name: "g", linkageName: "\01?g@D@@UEAAHXZ", scope: !46, file: !1, line: 13, type: !52, isLocal: false, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !51, retainedNodes: !2) | 
|  | !99 = !DILocalVariable(name: "this", arg: 1, scope: !98, type: !90, flags: DIFlagArtificial | DIFlagObjectPointer) | 
|  | !100 = !DILocation(line: 0, scope: !98) | 
|  | !101 = !DILocation(line: 13, column: 28, scope: !98) | 
|  | !102 = !DILocation(line: 13, column: 21, scope: !98) |