; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s
; RUN: llc < %s | FileCheck %s --check-prefix=ASM
; RUN: opt -S -debugger-tune=lldb %s | FileCheck -check-prefix=OPT %s
; Do the same for experimental debuginfo iterators.
; RUN: llc --try-experimental-debuginfo-iterators < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s
; RUN: llc --try-experimental-debuginfo-iterators < %s | FileCheck %s --check-prefix=ASM
; RUN: opt --try-experimental-debuginfo-iterators -S -debugger-tune=lldb %s | FileCheck -check-prefix=OPT %s
; -- "thunk.cpp" begin --------------------------------------------------------
; class A { public: virtual bool MyMethod() { return true; } };
; class B { public: virtual bool MyMethod() { return true; } };
; class C : public virtual A, public virtual B {
; public:
; virtual bool MyMethod() { return true; }
; };
;
; int main()
; {
; A* a = new C();
; B* b = new C();
; C* c = new C();
; a->MyMethod();
; b->MyMethod();
; c->MyMethod();
; bool (A::*mp)() = &A::MyMethod;
; return 0;
; }
; -- "thunk.cpp" end ----------------------------------------------------------
;
; Build command:
; $ clang -S -emit-llvm -g -gcodeview thunk.cpp
;
; CHECK: Thunk32Sym {
; CHECK-NEXT: Kind: S_THUNK32 ({{.*}})
; CHECK-NEXT: Name: {{.*_9A.*}}
; CHECK-NEXT: Parent: 0
; CHECK-NEXT: End: 0
; CHECK-NEXT: Next: 0
; CHECK-NEXT: Off: 0
; CHECK-NEXT: Seg: 0
; CHECK-NEXT: Len: {{[0-9]+}}
; CHECK-NEXT: Ordinal: Standard (0x0)
; CHECK-NEXT: }
; CHECK-NEXT: ProcEnd {
; CHECK-NEXT: Kind: S_PROC_ID_END ({{.*}})
; CHECK-NEXT: }
;
; CHECK: Thunk32Sym {
; CHECK-NEXT: Kind: S_THUNK32 ({{.*}})
; CHECK-NEXT: Name: {{.*MyMethod.*C.*}}
; CHECK-NEXT: Parent: 0
; CHECK-NEXT: End: 0
; CHECK-NEXT: Next: 0
; CHECK-NEXT: Off: 0
; CHECK-NEXT: Seg: 0
; CHECK-NEXT: Len: {{[0-9]+}}
; CHECK-NEXT: Ordinal: Standard (0x0)
; CHECK-NEXT: }
; CHECK-NEXT: ProcEnd {
; CHECK-NEXT: Kind: S_PROC_ID_END ({{.*}})
; CHECK-NEXT: }
; ASM: .long 241 # Symbol subsection for [[NAME1:.*_9A.*]]
; ASM-NEXT: .long {{.*}} # Subsection size
; ASM-NEXT: {{L.*}}:
; ASM-NEXT: .short [[END1:.?L.*]]-[[BEGIN1:.?L.*]] # Record length
; ASM-NEXT: [[BEGIN1]]:
; ASM-NEXT: .short 4354 # Record kind: S_THUNK32
; ASM-NEXT: .long 0 # PtrParent
; ASM-NEXT: .long 0 # PtrEnd
; ASM-NEXT: .long 0 # PtrNext
; ASM-NEXT: .secrel32 "[[NAME1]]" # Thunk section relative address
; ASM-NEXT: .secidx "[[NAME1]]" # Thunk section index
; ASM-NEXT: .short Lfunc_end{{.*}}-"[[NAME1]]" # Code size
; ASM-NEXT: .byte 0 # Ordinal
; ASM-NEXT: .asciz "[[NAME1]]" # Function name
; ASM-NEXT: .p2align 2
; ASM-NEXT: [[END1]]:
; ASM-NEXT: .short 2 # Record length
; ASM-NEXT: .short 4431 # Record kind: S_PROC_ID_END
;
; ASM: .long 241 # Symbol subsection for [[NAME2:.*MyMethod.*C.*]]
; ASM-NEXT: .long {{.*}} # Subsection size
; ASM-NEXT: {{L.*}}:
; ASM-NEXT: .short [[END2:.?L.*]]-[[BEGIN2:.?L.*]] # Record length
; ASM-NEXT: [[BEGIN2]]:
; ASM-NEXT: .short 4354 # Record kind: S_THUNK32
; ASM-NEXT: .long 0 # PtrParent
; ASM-NEXT: .long 0 # PtrEnd
; ASM-NEXT: .long 0 # PtrNext
; ASM-NEXT: .secrel32 "[[NAME2]]" # Thunk section relative address
; ASM-NEXT: .secidx "[[NAME2]]" # Thunk section index
; ASM-NEXT: .short Lfunc_end{{.*}}-"[[NAME2]]" # Code size
; ASM-NEXT: .byte 0 # Ordinal
; ASM-NEXT: .asciz "[[NAME2]]" # Function name
; ASM-NEXT: .p2align 2
; ASM-NEXT: [[END2]]:
; ASM-NEXT: .short 2 # Record length
; ASM-NEXT: .short 4431 # Record kind: S_PROC_ID_END
; OPT: DISubprogram(linkageName: "{{.*MyMethod.*C.*}}",{{.*}} line: 5,{{.*}} flags: DIFlagArtificial | DIFlagThunk{{.*}})
; ModuleID = 'thunk.cpp'
source_filename = "thunk.cpp"
target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
target triple = "i686-pc-windows-msvc19.0.24210"
%rtti.CompleteObjectLocator = type { i32, i32, i32, ptr, ptr }
%rtti.ClassHierarchyDescriptor = type { i32, i32, i32, ptr }
%rtti.BaseClassDescriptor = type { ptr, i32, i32, i32, i32, i32, ptr }
%rtti.TypeDescriptor7 = type { ptr, ptr, [8 x i8] }
%class.A = type { ptr }
%class.B = type { ptr }
%class.C = type { ptr, %class.A, %class.B }
$"\01??0C@@QAE@XZ" = comdat any
$"\01??_9A@@$BA@AE" = comdat any
$"\01??0A@@QAE@XZ" = comdat any
$"\01??0B@@QAE@XZ" = comdat any
$"\01?MyMethod@C@@UAE_NXZ" = comdat any
$"\01?MyMethod@C@@W3AE_NXZ" = comdat any
$"\01?MyMethod@A@@UAE_NXZ" = comdat any
$"\01?MyMethod@B@@UAE_NXZ" = comdat any
$"\01??_8C@@7B@" = comdat any
$"\01??_7C@@6BA@@@" = comdat largest
$"\01??_7C@@6BB@@@" = comdat largest
$"\01??_R4C@@6BA@@@" = comdat any
$"\01??_R0?AVC@@@8" = comdat any
$"\01??_R3C@@8" = comdat any
$"\01??_R2C@@8" = comdat any
$"\01??_R1A@?0A@EA@C@@8" = comdat any
$"\01??_R1A@A@3FA@A@@8" = comdat any
$"\01??_R0?AVA@@@8" = comdat any
$"\01??_R3A@@8" = comdat any
$"\01??_R2A@@8" = comdat any
$"\01??_R1A@?0A@EA@A@@8" = comdat any
$"\01??_R1A@A@7FA@B@@8" = comdat any
$"\01??_R0?AVB@@@8" = comdat any
$"\01??_R3B@@8" = comdat any
$"\01??_R2B@@8" = comdat any
$"\01??_R1A@?0A@EA@B@@8" = comdat any
$"\01??_R4C@@6BB@@@" = comdat any
$"\01??_7A@@6B@" = comdat largest
$"\01??_R4A@@6B@" = comdat any
$"\01??_7B@@6B@" = comdat largest
$"\01??_R4B@@6B@" = comdat any
@"\01??_8C@@7B@" = linkonce_odr unnamed_addr constant [3 x i32] [i32 0, i32 4, i32 8], comdat
@0 = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"\01??_R4C@@6BA@@@", ptr @"\01?MyMethod@C@@UAE_NXZ"] }, comdat($"\01??_7C@@6BA@@@")
@1 = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"\01??_R4C@@6BB@@@", ptr @"\01?MyMethod@C@@W3AE_NXZ"] }, comdat($"\01??_7C@@6BB@@@")
@"\01??_R4C@@6BA@@@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 0, i32 4, i32 0, ptr @"\01??_R0?AVC@@@8", ptr @"\01??_R3C@@8" }, comdat
@"\01??_7type_info@@6B@" = external constant ptr
@"\01??_R0?AVC@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { ptr @"\01??_7type_info@@6B@", ptr null, [8 x i8] c".?AVC@@\00" }, comdat
@"\01??_R3C@@8" = linkonce_odr constant %rtti.ClassHierarchyDescriptor { i32 0, i32 3, i32 3, ptr @"\01??_R2C@@8" }, comdat
@"\01??_R2C@@8" = linkonce_odr constant [4 x ptr] [ptr @"\01??_R1A@?0A@EA@C@@8", ptr @"\01??_R1A@A@3FA@A@@8", ptr @"\01??_R1A@A@7FA@B@@8", ptr null], comdat
@"\01??_R1A@?0A@EA@C@@8" = linkonce_odr constant %rtti.BaseClassDescriptor { ptr @"\01??_R0?AVC@@@8", i32 2, i32 0, i32 -1, i32 0, i32 64, ptr @"\01??_R3C@@8" }, comdat
@"\01??_R1A@A@3FA@A@@8" = linkonce_odr constant %rtti.BaseClassDescriptor { ptr @"\01??_R0?AVA@@@8", i32 0, i32 0, i32 0, i32 4, i32 80, ptr @"\01??_R3A@@8" }, comdat
@"\01??_R0?AVA@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { ptr @"\01??_7type_info@@6B@", ptr null, [8 x i8] c".?AVA@@\00" }, comdat
@"\01??_R3A@@8" = linkonce_odr constant %rtti.ClassHierarchyDescriptor { i32 0, i32 0, i32 1, ptr @"\01??_R2A@@8" }, comdat
@"\01??_R2A@@8" = linkonce_odr constant [2 x ptr] [ptr @"\01??_R1A@?0A@EA@A@@8", ptr null], comdat
@"\01??_R1A@?0A@EA@A@@8" = linkonce_odr constant %rtti.BaseClassDescriptor { ptr @"\01??_R0?AVA@@@8", i32 0, i32 0, i32 -1, i32 0, i32 64, ptr @"\01??_R3A@@8" }, comdat
@"\01??_R1A@A@7FA@B@@8" = linkonce_odr constant %rtti.BaseClassDescriptor { ptr @"\01??_R0?AVB@@@8", i32 0, i32 0, i32 0, i32 8, i32 80, ptr @"\01??_R3B@@8" }, comdat
@"\01??_R0?AVB@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { ptr @"\01??_7type_info@@6B@", ptr null, [8 x i8] c".?AVB@@\00" }, comdat
@"\01??_R3B@@8" = linkonce_odr constant %rtti.ClassHierarchyDescriptor { i32 0, i32 0, i32 1, ptr @"\01??_R2B@@8" }, comdat
@"\01??_R2B@@8" = linkonce_odr constant [2 x ptr] [ptr @"\01??_R1A@?0A@EA@B@@8", ptr null], comdat
@"\01??_R1A@?0A@EA@B@@8" = linkonce_odr constant %rtti.BaseClassDescriptor { ptr @"\01??_R0?AVB@@@8", i32 0, i32 0, i32 -1, i32 0, i32 64, ptr @"\01??_R3B@@8" }, comdat
@"\01??_R4C@@6BB@@@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 0, i32 8, i32 0, ptr @"\01??_R0?AVC@@@8", ptr @"\01??_R3C@@8" }, comdat
@2 = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"\01??_R4A@@6B@", ptr @"\01?MyMethod@A@@UAE_NXZ"] }, comdat($"\01??_7A@@6B@")
@"\01??_R4A@@6B@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 0, i32 0, i32 0, ptr @"\01??_R0?AVA@@@8", ptr @"\01??_R3A@@8" }, comdat
@3 = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"\01??_R4B@@6B@", ptr @"\01?MyMethod@B@@UAE_NXZ"] }, comdat($"\01??_7B@@6B@")
@"\01??_R4B@@6B@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 0, i32 0, i32 0, ptr @"\01??_R0?AVB@@@8", ptr @"\01??_R3B@@8" }, comdat
@"\01??_7C@@6BA@@@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @0, i32 0, i32 0, i32 1)
@"\01??_7C@@6BB@@@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @1, i32 0, i32 0, i32 1)
@"\01??_7A@@6B@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @2, i32 0, i32 0, i32 1)
@"\01??_7B@@6B@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @3, i32 0, i32 0, i32 1)
; Function Attrs: noinline norecurse optnone
define i32 @main() #0 !dbg !8 {
entry:
%retval = alloca i32, align 4
%a = alloca ptr, align 4
%b = alloca ptr, align 4
%c = alloca ptr, align 4
%mp = alloca ptr, align 4
store i32 0, ptr %retval, align 4
call void @llvm.dbg.declare(metadata ptr %a, metadata !12, metadata !DIExpression()), !dbg !24
%call = call ptr @"\01??2@YAPAXI@Z"(i32 12) #7, !dbg !25
%0 = bitcast ptr %call to ptr, !dbg !25
%1 = bitcast ptr %0 to ptr, !dbg !26
call void @llvm.memset.p0.i32(ptr align 8 %1, i8 0, i32 12, i1 false), !dbg !26
%call1 = call x86_thiscallcc ptr @"\01??0C@@QAE@XZ"(ptr %0, i32 1) #8, !dbg !26
%2 = icmp eq ptr %0, null, !dbg !25
br i1 %2, label %cast.end, label %cast.notnull, !dbg !25
cast.notnull: ; preds = %entry
%3 = bitcast ptr %0 to ptr, !dbg !25
%vbptr = getelementptr inbounds i8, ptr %3, i32 0, !dbg !25
%4 = bitcast ptr %vbptr to ptr, !dbg !25
%vbtable = load ptr, ptr %4, align 4, !dbg !25
%5 = getelementptr inbounds i32, ptr %vbtable, i32 1, !dbg !25
%vbase_offs = load i32, ptr %5, align 4, !dbg !25
%6 = add nsw i32 0, %vbase_offs, !dbg !25
%7 = bitcast ptr %0 to ptr, !dbg !25
%add.ptr = getelementptr inbounds i8, ptr %7, i32 %6, !dbg !25
%8 = bitcast ptr %add.ptr to ptr, !dbg !25
br label %cast.end, !dbg !25
cast.end: ; preds = %cast.notnull, %entry
%cast.result = phi ptr [ %8, %cast.notnull ], [ null, %entry ], !dbg !25
store ptr %cast.result, ptr %a, align 4, !dbg !24
call void @llvm.dbg.declare(metadata ptr %b, metadata !27, metadata !DIExpression()), !dbg !36
%call2 = call ptr @"\01??2@YAPAXI@Z"(i32 12) #7, !dbg !37
%9 = bitcast ptr %call2 to ptr, !dbg !37
%10 = bitcast ptr %9 to ptr, !dbg !38
call void @llvm.memset.p0.i32(ptr align 8 %10, i8 0, i32 12, i1 false), !dbg !38
%call3 = call x86_thiscallcc ptr @"\01??0C@@QAE@XZ"(ptr %9, i32 1) #8, !dbg !38
%11 = icmp eq ptr %9, null, !dbg !37
br i1 %11, label %cast.end9, label %cast.notnull4, !dbg !37
cast.notnull4: ; preds = %cast.end
%12 = bitcast ptr %9 to ptr, !dbg !37
%vbptr5 = getelementptr inbounds i8, ptr %12, i32 0, !dbg !37
%13 = bitcast ptr %vbptr5 to ptr, !dbg !37
%vbtable6 = load ptr, ptr %13, align 4, !dbg !37
%14 = getelementptr inbounds i32, ptr %vbtable6, i32 2, !dbg !37
%vbase_offs7 = load i32, ptr %14, align 4, !dbg !37
%15 = add nsw i32 0, %vbase_offs7, !dbg !37
%16 = bitcast ptr %9 to ptr, !dbg !37
%add.ptr8 = getelementptr inbounds i8, ptr %16, i32 %15, !dbg !37
%17 = bitcast ptr %add.ptr8 to ptr, !dbg !37
br label %cast.end9, !dbg !37
cast.end9: ; preds = %cast.notnull4, %cast.end
%cast.result10 = phi ptr [ %17, %cast.notnull4 ], [ null, %cast.end ], !dbg !37
store ptr %cast.result10, ptr %b, align 4, !dbg !36
call void @llvm.dbg.declare(metadata ptr %c, metadata !39, metadata !DIExpression()), !dbg !49
%call11 = call ptr @"\01??2@YAPAXI@Z"(i32 12) #7, !dbg !50
%18 = bitcast ptr %call11 to ptr, !dbg !50
%19 = bitcast ptr %18 to ptr, !dbg !51
call void @llvm.memset.p0.i32(ptr align 8 %19, i8 0, i32 12, i1 false), !dbg !51
%call12 = call x86_thiscallcc ptr @"\01??0C@@QAE@XZ"(ptr %18, i32 1) #8, !dbg !51
store ptr %18, ptr %c, align 4, !dbg !49
%20 = load ptr, ptr %a, align 4, !dbg !52
%21 = bitcast ptr %20 to ptr, !dbg !53
%vtable = load ptr, ptr %21, align 4, !dbg !53
%vfn = getelementptr inbounds ptr, ptr %vtable, i64 0, !dbg !53
%22 = load ptr, ptr %vfn, align 4, !dbg !53
%call13 = call x86_thiscallcc zeroext i1 %22(ptr %20), !dbg !53
%23 = load ptr, ptr %b, align 4, !dbg !54
%24 = bitcast ptr %23 to ptr, !dbg !55
%vtable14 = load ptr, ptr %24, align 4, !dbg !55
%vfn15 = getelementptr inbounds ptr, ptr %vtable14, i64 0, !dbg !55
%25 = load ptr, ptr %vfn15, align 4, !dbg !55
%call16 = call x86_thiscallcc zeroext i1 %25(ptr %23), !dbg !55
%26 = load ptr, ptr %c, align 4, !dbg !56
%27 = bitcast ptr %26 to ptr, !dbg !57
%vbptr17 = getelementptr inbounds i8, ptr %27, i32 0, !dbg !57
%28 = bitcast ptr %vbptr17 to ptr, !dbg !57
%vbtable18 = load ptr, ptr %28, align 4, !dbg !57
%29 = getelementptr inbounds i32, ptr %vbtable18, i32 1, !dbg !57
%vbase_offs19 = load i32, ptr %29, align 4, !dbg !57
%30 = add nsw i32 0, %vbase_offs19, !dbg !57
%31 = getelementptr inbounds i8, ptr %27, i32 %30, !dbg !57
%32 = bitcast ptr %26 to ptr, !dbg !57
%vbptr20 = getelementptr inbounds i8, ptr %32, i32 0, !dbg !57
%33 = bitcast ptr %vbptr20 to ptr, !dbg !57
%vbtable21 = load ptr, ptr %33, align 4, !dbg !57
%34 = getelementptr inbounds i32, ptr %vbtable21, i32 1, !dbg !57
%vbase_offs22 = load i32, ptr %34, align 4, !dbg !57
%35 = add nsw i32 0, %vbase_offs22, !dbg !57
%36 = getelementptr inbounds i8, ptr %32, i32 %35, !dbg !57
%37 = bitcast ptr %36 to ptr, !dbg !57
%vtable23 = load ptr, ptr %37, align 4, !dbg !57
%vfn24 = getelementptr inbounds ptr, ptr %vtable23, i64 0, !dbg !57
%38 = load ptr, ptr %vfn24, align 4, !dbg !57
%call25 = call x86_thiscallcc zeroext i1 %38(ptr %31), !dbg !57
call void @llvm.dbg.declare(metadata ptr %mp, metadata !58, metadata !DIExpression()), !dbg !60
store ptr @"\01??_9A@@$BA@AE", ptr %mp, align 4, !dbg !60
ret i32 0, !dbg !61
}
; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: nobuiltin
declare noalias ptr @"\01??2@YAPAXI@Z"(i32) #2
; Function Attrs: argmemonly nounwind
declare void @llvm.memset.p0.i32(ptr nocapture writeonly, i8, i32, i1) #3
; Function Attrs: noinline nounwind optnone
define linkonce_odr x86_thiscallcc ptr @"\01??0C@@QAE@XZ"(ptr returned %this, i32 %is_most_derived) unnamed_addr #4 comdat align 2 !dbg !62 {
entry:
%retval = alloca ptr, align 4
%is_most_derived.addr = alloca i32, align 4
%this.addr = alloca ptr, align 4
store i32 %is_most_derived, ptr %is_most_derived.addr, align 4
call void @llvm.dbg.declare(metadata ptr %is_most_derived.addr, metadata !66, metadata !DIExpression()), !dbg !67
store ptr %this, ptr %this.addr, align 4
call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !68, metadata !DIExpression()), !dbg !67
%this1 = load ptr, ptr %this.addr, align 4
store ptr %this1, ptr %retval, align 4
%is_most_derived2 = load i32, ptr %is_most_derived.addr, align 4
%is_complete_object = icmp ne i32 %is_most_derived2, 0, !dbg !69
br i1 %is_complete_object, label %ctor.init_vbases, label %ctor.skip_vbases, !dbg !69
ctor.init_vbases: ; preds = %entry
%this.int8 = bitcast ptr %this1 to ptr, !dbg !69
%0 = getelementptr inbounds i8, ptr %this.int8, i32 0, !dbg !69
%vbptr.C = bitcast ptr %0 to ptr, !dbg !69
store ptr @"\01??_8C@@7B@", ptr %vbptr.C, align 4, !dbg !69
%1 = bitcast ptr %this1 to ptr, !dbg !69
%2 = getelementptr inbounds i8, ptr %1, i32 4, !dbg !69
%3 = bitcast ptr %2 to ptr, !dbg !69
%call = call x86_thiscallcc ptr @"\01??0A@@QAE@XZ"(ptr %3) #8, !dbg !69
%4 = bitcast ptr %this1 to ptr, !dbg !69
%5 = getelementptr inbounds i8, ptr %4, i32 8, !dbg !69
%6 = bitcast ptr %5 to ptr, !dbg !69
%call3 = call x86_thiscallcc ptr @"\01??0B@@QAE@XZ"(ptr %6) #8, !dbg !69
br label %ctor.skip_vbases, !dbg !69
ctor.skip_vbases: ; preds = %ctor.init_vbases, %entry
%7 = bitcast ptr %this1 to ptr, !dbg !69
%vbptr = getelementptr inbounds i8, ptr %7, i32 0, !dbg !69
%8 = bitcast ptr %vbptr to ptr, !dbg !69
%vbtable = load ptr, ptr %8, align 4, !dbg !69
%9 = getelementptr inbounds i32, ptr %vbtable, i32 1, !dbg !69
%vbase_offs = load i32, ptr %9, align 4, !dbg !69
%10 = add nsw i32 0, %vbase_offs, !dbg !69
%11 = bitcast ptr %this1 to ptr, !dbg !69
%add.ptr = getelementptr inbounds i8, ptr %11, i32 %10, !dbg !69
%12 = bitcast ptr %add.ptr to ptr, !dbg !69
store ptr @"\01??_7C@@6BA@@@", ptr %12, align 4, !dbg !69
%13 = bitcast ptr %this1 to ptr, !dbg !69
%vbptr4 = getelementptr inbounds i8, ptr %13, i32 0, !dbg !69
%14 = bitcast ptr %vbptr4 to ptr, !dbg !69
%vbtable5 = load ptr, ptr %14, align 4, !dbg !69
%15 = getelementptr inbounds i32, ptr %vbtable5, i32 2, !dbg !69
%vbase_offs6 = load i32, ptr %15, align 4, !dbg !69
%16 = add nsw i32 0, %vbase_offs6, !dbg !69
%17 = bitcast ptr %this1 to ptr, !dbg !69
%add.ptr7 = getelementptr inbounds i8, ptr %17, i32 %16, !dbg !69
%18 = bitcast ptr %add.ptr7 to ptr, !dbg !69
store ptr @"\01??_7C@@6BB@@@", ptr %18, align 4, !dbg !69
%19 = load ptr, ptr %retval, align 4, !dbg !69
ret ptr %19, !dbg !69
}
; Function Attrs: noinline optnone
define linkonce_odr x86_thiscallcc void @"\01??_9A@@$BA@AE"(ptr %this, ...) #5 comdat align 2 !dbg !70 {
entry:
%this.addr = alloca ptr, align 4
store ptr %this, ptr %this.addr, align 4
call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !72, metadata !DIExpression()), !dbg !73
%this1 = load ptr, ptr %this.addr, align 4
%0 = bitcast ptr %this1 to ptr
%vtable = load ptr, ptr %0, align 4
%vfn = getelementptr inbounds ptr, ptr %vtable, i64 0
%1 = load ptr, ptr %vfn, align 4
musttail call x86_thiscallcc void (ptr, ...) %1(ptr %this1, ...)
ret void
; No predecessors!
ret void
}
; Function Attrs: noinline nounwind optnone
define linkonce_odr x86_thiscallcc ptr @"\01??0A@@QAE@XZ"(ptr returned %this) unnamed_addr #4 comdat align 2 !dbg !74 {
entry:
%this.addr = alloca ptr, align 4
store ptr %this, ptr %this.addr, align 4
call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !78, metadata !DIExpression()), !dbg !79
%this1 = load ptr, ptr %this.addr, align 4
%0 = bitcast ptr %this1 to ptr, !dbg !80
store ptr @"\01??_7A@@6B@", ptr %0, align 4, !dbg !80
ret ptr %this1, !dbg !80
}
; Function Attrs: noinline nounwind optnone
define linkonce_odr x86_thiscallcc ptr @"\01??0B@@QAE@XZ"(ptr returned %this) unnamed_addr #4 comdat align 2 !dbg !81 {
entry:
%this.addr = alloca ptr, align 4
store ptr %this, ptr %this.addr, align 4
call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !85, metadata !DIExpression()), !dbg !86
%this1 = load ptr, ptr %this.addr, align 4
%0 = bitcast ptr %this1 to ptr, !dbg !87
store ptr @"\01??_7B@@6B@", ptr %0, align 4, !dbg !87
ret ptr %this1, !dbg !87
}
; Function Attrs: noinline nounwind optnone
define linkonce_odr x86_thiscallcc zeroext i1 @"\01?MyMethod@C@@UAE_NXZ"(ptr %this.coerce) unnamed_addr #4 comdat align 2 !dbg !88 {
entry:
%this = alloca ptr, align 4
%this.addr = alloca ptr, align 4
%coerce.val = bitcast ptr %this.coerce to ptr
store ptr %coerce.val, ptr %this, align 4
%this1 = load ptr, ptr %this, align 4
store ptr %this1, ptr %this.addr, align 4
call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !89, metadata !DIExpression()), !dbg !90
%this2 = load ptr, ptr %this.addr, align 4
%0 = bitcast ptr %this2 to ptr
%1 = getelementptr inbounds i8, ptr %0, i32 -4
%this.adjusted = bitcast ptr %1 to ptr
ret i1 true, !dbg !91
}
; Function Attrs: noinline optnone
define linkonce_odr x86_thiscallcc zeroext i1 @"\01?MyMethod@C@@W3AE_NXZ"(ptr %this.coerce) unnamed_addr #6 comdat align 2 !dbg !92 {
entry:
%this = alloca ptr, align 4
%this.addr = alloca ptr, align 4
%coerce.val = bitcast ptr %this.coerce to ptr
store ptr %coerce.val, ptr %this, align 4
%this1 = load ptr, ptr %this, align 4
store ptr %this1, ptr %this.addr, align 4
call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !93, metadata !DIExpression()), !dbg !94
%this2 = load ptr, ptr %this.addr, align 4, !dbg !94
%0 = bitcast ptr %this2 to ptr, !dbg !94
%1 = getelementptr i8, ptr %0, i32 -4, !dbg !94
%call = tail call x86_thiscallcc zeroext i1 @"\01?MyMethod@C@@UAE_NXZ"(ptr %1), !dbg !94
ret i1 %call, !dbg !94
}
; Function Attrs: noinline nounwind optnone
define linkonce_odr x86_thiscallcc zeroext i1 @"\01?MyMethod@A@@UAE_NXZ"(ptr %this) unnamed_addr #4 comdat align 2 !dbg !95 {
entry:
%this.addr = alloca ptr, align 4
store ptr %this, ptr %this.addr, align 4
call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !96, metadata !DIExpression()), !dbg !97
%this1 = load ptr, ptr %this.addr, align 4
ret i1 true, !dbg !98
}
; Function Attrs: noinline nounwind optnone
define linkonce_odr x86_thiscallcc zeroext i1 @"\01?MyMethod@B@@UAE_NXZ"(ptr %this) unnamed_addr #4 comdat align 2 !dbg !99 {
entry:
%this.addr = alloca ptr, align 4
store ptr %this, ptr %this.addr, align 4
call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !100, metadata !DIExpression()), !dbg !101
%this1 = load ptr, ptr %this.addr, align 4
ret i1 true, !dbg !102
}
attributes #0 = { noinline norecurse optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone speculatable }
attributes #2 = { nobuiltin "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { argmemonly nounwind }
attributes #4 = { noinline nounwind optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #5 = { noinline optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "thunk" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #6 = { noinline optnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="pentium4" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #7 = { builtin }
attributes #8 = { nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5, !6}
!llvm.ident = !{!7}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 7.0.0 (trunk)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "thunk.cpp", directory: "C:\5Cpath\5Cto", checksumkind: CSK_MD5, checksum: "d4b977fc614313c5a4fbdc980b2f4243")
!2 = !{}
!3 = !{i32 1, !"NumRegisterParameters", i32 0}
!4 = !{i32 2, !"CodeView", i32 1}
!5 = !{i32 2, !"Debug Info Version", i32 3}
!6 = !{i32 1, !"wchar_size", i32 2}
!7 = !{!"clang version 7.0.0 (trunk)"}
!8 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 8, type: !9, isLocal: false, isDefinition: true, scopeLine: 9, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)
!9 = !DISubroutineType(types: !10)
!10 = !{!11}
!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!12 = !DILocalVariable(name: "a", scope: !8, file: !1, line: 10, type: !13)
!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 32)
!14 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "A", file: !1, line: 1, size: 32, flags: DIFlagTypePassByValue, elements: !15, vtableHolder: !14, identifier: ".?AVA@@")
!15 = !{!16, !17, !19}
!16 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", baseType: null, size: 32)
!17 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", scope: !1, file: !1, baseType: !18, size: 32, flags: DIFlagArtificial)
!18 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 32)
!19 = !DISubprogram(name: "MyMethod", linkageName: "\01?MyMethod@A@@UAE_NXZ", scope: !14, file: !1, line: 1, type: !20, isLocal: false, isDefinition: false, scopeLine: 1, containingType: !14, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, flags: DIFlagPublic | DIFlagPrototyped | DIFlagIntroducedVirtual, isOptimized: false)
!20 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !21)
!21 = !{!22, !23}
!22 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean)
!23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 32, flags: DIFlagArtificial | DIFlagObjectPointer)
!24 = !DILocation(line: 10, column: 8, scope: !8)
!25 = !DILocation(line: 10, column: 12, scope: !8)
!26 = !DILocation(line: 10, column: 16, scope: !8)
!27 = !DILocalVariable(name: "b", scope: !8, file: !1, line: 11, type: !28)
!28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 32)
!29 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "B", file: !1, line: 2, size: 32, flags: DIFlagTypePassByValue, elements: !30, vtableHolder: !29, identifier: ".?AVB@@")
!30 = !{!16, !31, !32}
!31 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$B", scope: !1, file: !1, baseType: !18, size: 32, flags: DIFlagArtificial)
!32 = !DISubprogram(name: "MyMethod", linkageName: "\01?MyMethod@B@@UAE_NXZ", scope: !29, file: !1, line: 2, type: !33, isLocal: false, isDefinition: false, scopeLine: 2, containingType: !29, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, flags: DIFlagPublic | DIFlagPrototyped | DIFlagIntroducedVirtual, isOptimized: false)
!33 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !34)
!34 = !{!22, !35}
!35 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 32, flags: DIFlagArtificial | DIFlagObjectPointer)
!36 = !DILocation(line: 11, column: 8, scope: !8)
!37 = !DILocation(line: 11, column: 12, scope: !8)
!38 = !DILocation(line: 11, column: 16, scope: !8)
!39 = !DILocalVariable(name: "c", scope: !8, file: !1, line: 12, type: !40)
!40 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !41, size: 32)
!41 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "C", file: !1, line: 3, size: 96, flags: DIFlagTypePassByValue, elements: !42, vtableHolder: !41, identifier: ".?AVC@@")
!42 = !{!43, !44, !45}
!43 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !41, baseType: !14, offset: 4, flags: DIFlagPublic | DIFlagVirtual)
!44 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !41, baseType: !29, offset: 8, flags: DIFlagPublic | DIFlagVirtual)
!45 = !DISubprogram(name: "MyMethod", linkageName: "\01?MyMethod@C@@UAE_NXZ", scope: !41, file: !1, line: 5, type: !46, isLocal: false, isDefinition: false, scopeLine: 5, containingType: !41, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, thisAdjustment: 4, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: false)
!46 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !47)
!47 = !{!22, !48}
!48 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !41, size: 32, flags: DIFlagArtificial | DIFlagObjectPointer)
!49 = !DILocation(line: 12, column: 8, scope: !8)
!50 = !DILocation(line: 12, column: 12, scope: !8)
!51 = !DILocation(line: 12, column: 16, scope: !8)
!52 = !DILocation(line: 13, column: 5, scope: !8)
!53 = !DILocation(line: 13, column: 8, scope: !8)
!54 = !DILocation(line: 14, column: 5, scope: !8)
!55 = !DILocation(line: 14, column: 8, scope: !8)
!56 = !DILocation(line: 15, column: 5, scope: !8)
!57 = !DILocation(line: 15, column: 8, scope: !8)
!58 = !DILocalVariable(name: "mp", scope: !8, file: !1, line: 16, type: !59)
!59 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !20, size: 32, flags: DIFlagSingleInheritance, extraData: !14)
!60 = !DILocation(line: 16, column: 15, scope: !8)
!61 = !DILocation(line: 17, column: 5, scope: !8)
!62 = distinct !DISubprogram(name: "C", linkageName: "\01??0C@@QAE@XZ", scope: !41, file: !1, line: 3, type: !63, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !65, retainedNodes: !2)
!63 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !64)
!64 = !{null, !48}
!65 = !DISubprogram(name: "C", scope: !41, type: !63, isLocal: false, isDefinition: false, flags: DIFlagPublic | DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
!66 = !DILocalVariable(name: "is_most_derived", arg: 2, scope: !62, type: !11, flags: DIFlagArtificial)
!67 = !DILocation(line: 0, scope: !62)
!68 = !DILocalVariable(name: "this", arg: 1, scope: !62, type: !40, flags: DIFlagArtificial | DIFlagObjectPointer)
!69 = !DILocation(line: 3, column: 7, scope: !62)
!70 = distinct !DISubprogram(linkageName: "\01??_9A@@$BA@AE", scope: !1, file: !1, line: 1, type: !71, isLocal: false, isDefinition: true, flags: DIFlagArtificial | DIFlagThunk, isOptimized: false, unit: !0, retainedNodes: !2)
!71 = !DISubroutineType(types: !2)
!72 = !DILocalVariable(name: "this", arg: 1, scope: !70, type: !13, flags: DIFlagArtificial | DIFlagObjectPointer)
!73 = !DILocation(line: 0, scope: !70)
!74 = distinct !DISubprogram(name: "A", linkageName: "\01??0A@@QAE@XZ", scope: !14, file: !1, line: 1, type: !75, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !77, retainedNodes: !2)
!75 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !76)
!76 = !{null, !23}
!77 = !DISubprogram(name: "A", scope: !14, type: !75, isLocal: false, isDefinition: false, flags: DIFlagPublic | DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
!78 = !DILocalVariable(name: "this", arg: 1, scope: !74, type: !13, flags: DIFlagArtificial | DIFlagObjectPointer)
!79 = !DILocation(line: 0, scope: !74)
!80 = !DILocation(line: 1, column: 7, scope: !74)
!81 = distinct !DISubprogram(name: "B", linkageName: "\01??0B@@QAE@XZ", scope: !29, file: !1, line: 2, type: !82, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !84, retainedNodes: !2)
!82 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !83)
!83 = !{null, !35}
!84 = !DISubprogram(name: "B", scope: !29, type: !82, isLocal: false, isDefinition: false, flags: DIFlagPublic | DIFlagArtificial | DIFlagPrototyped, isOptimized: false)
!85 = !DILocalVariable(name: "this", arg: 1, scope: !81, type: !28, flags: DIFlagArtificial | DIFlagObjectPointer)
!86 = !DILocation(line: 0, scope: !81)
!87 = !DILocation(line: 2, column: 7, scope: !81)
!88 = distinct !DISubprogram(name: "MyMethod", linkageName: "\01?MyMethod@C@@UAE_NXZ", scope: !41, file: !1, line: 5, type: !46, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !45, retainedNodes: !2)
!89 = !DILocalVariable(name: "this", arg: 1, scope: !88, type: !40, flags: DIFlagArtificial | DIFlagObjectPointer)
!90 = !DILocation(line: 0, scope: !88)
!91 = !DILocation(line: 5, column: 31, scope: !88)
!92 = distinct !DISubprogram(linkageName: "\01?MyMethod@C@@W3AE_NXZ", scope: !1, file: !1, line: 5, type: !71, isLocal: false, isDefinition: true, flags: DIFlagArtificial | DIFlagThunk, isOptimized: false, unit: !0, retainedNodes: !2)
!93 = !DILocalVariable(name: "this", arg: 1, scope: !92, type: !40, flags: DIFlagArtificial | DIFlagObjectPointer)
!94 = !DILocation(line: 0, scope: !92)
!95 = distinct !DISubprogram(name: "MyMethod", linkageName: "\01?MyMethod@A@@UAE_NXZ", scope: !14, file: !1, line: 1, type: !20, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !19, retainedNodes: !2)
!96 = !DILocalVariable(name: "this", arg: 1, scope: !95, type: !13, flags: DIFlagArtificial | DIFlagObjectPointer)
!97 = !DILocation(line: 0, scope: !95)
!98 = !DILocation(line: 1, column: 45, scope: !95)
!99 = distinct !DISubprogram(name: "MyMethod", linkageName: "\01?MyMethod@B@@UAE_NXZ", scope: !29, file: !1, line: 2, type: !33, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !32, retainedNodes: !2)
!100 = !DILocalVariable(name: "this", arg: 1, scope: !99, type: !28, flags: DIFlagArtificial | DIFlagObjectPointer)
!101 = !DILocation(line: 0, scope: !99)
!102 = !DILocation(line: 2, column: 45, scope: !99)
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