1; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s 2; RUN: llc < %s | FileCheck %s --check-prefix=ASM 3; RUN: opt -S -debugger-tune=lldb %s | FileCheck -check-prefix=OPT %s 4 5; Do the same for experimental debuginfo iterators. 6; RUN: llc --try-experimental-debuginfo-iterators < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s 7; RUN: llc --try-experimental-debuginfo-iterators < %s | FileCheck %s --check-prefix=ASM 8; RUN: opt --try-experimental-debuginfo-iterators -S -debugger-tune=lldb %s | FileCheck -check-prefix=OPT %s 9 10; -- "thunk.cpp" begin -------------------------------------------------------- 11; class A { public: virtual bool MyMethod() { return true; } }; 12; class B { public: virtual bool MyMethod() { return true; } }; 13; class C : public virtual A, public virtual B { 14; public: 15; virtual bool MyMethod() { return true; } 16; }; 17; 18; int main() 19; { 20; A* a = new C(); 21; B* b = new C(); 22; C* c = new C(); 23; a->MyMethod(); 24; b->MyMethod(); 25; c->MyMethod(); 26; bool (A::*mp)() = &A::MyMethod; 27; return 0; 28; } 29; -- "thunk.cpp" end ---------------------------------------------------------- 30; 31; Build command: 32; $ clang -S -emit-llvm -g -gcodeview thunk.cpp 33; 34; CHECK: Thunk32Sym { 35; CHECK-NEXT: Kind: S_THUNK32 ({{.*}}) 36; CHECK-NEXT: Name: {{.*_9A.*}} 37; CHECK-NEXT: Parent: 0 38; CHECK-NEXT: End: 0 39; CHECK-NEXT: Next: 0 40; CHECK-NEXT: Off: 0 41; CHECK-NEXT: Seg: 0 42; CHECK-NEXT: Len: {{[0-9]+}} 43; CHECK-NEXT: Ordinal: Standard (0x0) 44; CHECK-NEXT: } 45; CHECK-NEXT: ProcEnd { 46; CHECK-NEXT: Kind: S_PROC_ID_END ({{.*}}) 47; CHECK-NEXT: } 48; 49; CHECK: Thunk32Sym { 50; CHECK-NEXT: Kind: S_THUNK32 ({{.*}}) 51; CHECK-NEXT: Name: {{.*MyMethod.*C.*}} 52; CHECK-NEXT: Parent: 0 53; CHECK-NEXT: End: 0 54; CHECK-NEXT: Next: 0 55; CHECK-NEXT: Off: 0 56; CHECK-NEXT: Seg: 0 57; CHECK-NEXT: Len: {{[0-9]+}} 58; CHECK-NEXT: Ordinal: Standard (0x0) 59; CHECK-NEXT: } 60; CHECK-NEXT: ProcEnd { 61; CHECK-NEXT: Kind: S_PROC_ID_END ({{.*}}) 62; CHECK-NEXT: } 63 64; ASM: .long 241 # Symbol subsection for [[NAME1:.*_9A.*]] 65; ASM-NEXT: .long {{.*}} # Subsection size 66; ASM-NEXT: {{L.*}}: 67; ASM-NEXT: .short [[END1:.?L.*]]-[[BEGIN1:.?L.*]] # Record length 68; ASM-NEXT: [[BEGIN1]]: 69; ASM-NEXT: .short 4354 # Record kind: S_THUNK32 70; ASM-NEXT: .long 0 # PtrParent 71; ASM-NEXT: .long 0 # PtrEnd 72; ASM-NEXT: .long 0 # PtrNext 73; ASM-NEXT: .secrel32 "[[NAME1]]" # Thunk section relative address 74; ASM-NEXT: .secidx "[[NAME1]]" # Thunk section index 75; ASM-NEXT: .short Lfunc_end{{.*}}-"[[NAME1]]" # Code size 76; ASM-NEXT: .byte 0 # Ordinal 77; ASM-NEXT: .asciz "[[NAME1]]" # Function name 78; ASM-NEXT: .p2align 2 79; ASM-NEXT: [[END1]]: 80; ASM-NEXT: .short 2 # Record length 81; ASM-NEXT: .short 4431 # Record kind: S_PROC_ID_END 82; 83; ASM: .long 241 # Symbol subsection for [[NAME2:.*MyMethod.*C.*]] 84; ASM-NEXT: .long {{.*}} # Subsection size 85; ASM-NEXT: {{L.*}}: 86; ASM-NEXT: .short [[END2:.?L.*]]-[[BEGIN2:.?L.*]] # Record length 87; ASM-NEXT: [[BEGIN2]]: 88; ASM-NEXT: .short 4354 # Record kind: S_THUNK32 89; ASM-NEXT: .long 0 # PtrParent 90; ASM-NEXT: .long 0 # PtrEnd 91; ASM-NEXT: .long 0 # PtrNext 92; ASM-NEXT: .secrel32 "[[NAME2]]" # Thunk section relative address 93; ASM-NEXT: .secidx "[[NAME2]]" # Thunk section index 94; ASM-NEXT: .short Lfunc_end{{.*}}-"[[NAME2]]" # Code size 95; ASM-NEXT: .byte 0 # Ordinal 96; ASM-NEXT: .asciz "[[NAME2]]" # Function name 97; ASM-NEXT: .p2align 2 98; ASM-NEXT: [[END2]]: 99; ASM-NEXT: .short 2 # Record length 100; ASM-NEXT: .short 4431 # Record kind: S_PROC_ID_END 101 102; OPT: DISubprogram(linkageName: "{{.*MyMethod.*C.*}}",{{.*}} line: 5,{{.*}} flags: DIFlagArtificial | DIFlagThunk{{.*}}) 103 104 105; ModuleID = 'thunk.cpp' 106source_filename = "thunk.cpp" 107target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" 108target triple = "i686-pc-windows-msvc19.0.24210" 109 110%rtti.CompleteObjectLocator = type { i32, i32, i32, ptr, ptr } 111%rtti.ClassHierarchyDescriptor = type { i32, i32, i32, ptr } 112%rtti.BaseClassDescriptor = type { ptr, i32, i32, i32, i32, i32, ptr } 113%rtti.TypeDescriptor7 = type { ptr, ptr, [8 x i8] } 114%class.A = type { ptr } 115%class.B = type { ptr } 116%class.C = type { ptr, %class.A, %class.B } 117 118$"\01??0C@@QAE@XZ" = comdat any 119 120$"\01??_9A@@$BA@AE" = comdat any 121 122$"\01??0A@@QAE@XZ" = comdat any 123 124$"\01??0B@@QAE@XZ" = comdat any 125 126$"\01?MyMethod@C@@UAE_NXZ" = comdat any 127 128$"\01?MyMethod@C@@W3AE_NXZ" = comdat any 129 130$"\01?MyMethod@A@@UAE_NXZ" = comdat any 131 132$"\01?MyMethod@B@@UAE_NXZ" = comdat any 133 134$"\01??_8C@@7B@" = comdat any 135 136$"\01??_7C@@6BA@@@" = comdat largest 137 138$"\01??_7C@@6BB@@@" = comdat largest 139 140$"\01??_R4C@@6BA@@@" = comdat any 141 142$"\01??_R0?AVC@@@8" = comdat any 143 144$"\01??_R3C@@8" = comdat any 145 146$"\01??_R2C@@8" = comdat any 147 148$"\01??_R1A@?0A@EA@C@@8" = comdat any 149 150$"\01??_R1A@A@3FA@A@@8" = comdat any 151 152$"\01??_R0?AVA@@@8" = comdat any 153 154$"\01??_R3A@@8" = comdat any 155 156$"\01??_R2A@@8" = comdat any 157 158$"\01??_R1A@?0A@EA@A@@8" = comdat any 159 160$"\01??_R1A@A@7FA@B@@8" = comdat any 161 162$"\01??_R0?AVB@@@8" = comdat any 163 164$"\01??_R3B@@8" = comdat any 165 166$"\01??_R2B@@8" = comdat any 167 168$"\01??_R1A@?0A@EA@B@@8" = comdat any 169 170$"\01??_R4C@@6BB@@@" = comdat any 171 172$"\01??_7A@@6B@" = comdat largest 173 174$"\01??_R4A@@6B@" = comdat any 175 176$"\01??_7B@@6B@" = comdat largest 177 178$"\01??_R4B@@6B@" = comdat any 179 180@"\01??_8C@@7B@" = linkonce_odr unnamed_addr constant [3 x i32] [i32 0, i32 4, i32 8], comdat 181@0 = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"\01??_R4C@@6BA@@@", ptr @"\01?MyMethod@C@@UAE_NXZ"] }, comdat($"\01??_7C@@6BA@@@") 182@1 = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"\01??_R4C@@6BB@@@", ptr @"\01?MyMethod@C@@W3AE_NXZ"] }, comdat($"\01??_7C@@6BB@@@") 183@"\01??_R4C@@6BA@@@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 0, i32 4, i32 0, ptr @"\01??_R0?AVC@@@8", ptr @"\01??_R3C@@8" }, comdat 184@"\01??_7type_info@@6B@" = external constant ptr 185@"\01??_R0?AVC@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { ptr @"\01??_7type_info@@6B@", ptr null, [8 x i8] c".?AVC@@\00" }, comdat 186@"\01??_R3C@@8" = linkonce_odr constant %rtti.ClassHierarchyDescriptor { i32 0, i32 3, i32 3, ptr @"\01??_R2C@@8" }, comdat 187@"\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 188@"\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 189@"\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 190@"\01??_R0?AVA@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { ptr @"\01??_7type_info@@6B@", ptr null, [8 x i8] c".?AVA@@\00" }, comdat 191@"\01??_R3A@@8" = linkonce_odr constant %rtti.ClassHierarchyDescriptor { i32 0, i32 0, i32 1, ptr @"\01??_R2A@@8" }, comdat 192@"\01??_R2A@@8" = linkonce_odr constant [2 x ptr] [ptr @"\01??_R1A@?0A@EA@A@@8", ptr null], comdat 193@"\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 194@"\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 195@"\01??_R0?AVB@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { ptr @"\01??_7type_info@@6B@", ptr null, [8 x i8] c".?AVB@@\00" }, comdat 196@"\01??_R3B@@8" = linkonce_odr constant %rtti.ClassHierarchyDescriptor { i32 0, i32 0, i32 1, ptr @"\01??_R2B@@8" }, comdat 197@"\01??_R2B@@8" = linkonce_odr constant [2 x ptr] [ptr @"\01??_R1A@?0A@EA@B@@8", ptr null], comdat 198@"\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 199@"\01??_R4C@@6BB@@@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 0, i32 8, i32 0, ptr @"\01??_R0?AVC@@@8", ptr @"\01??_R3C@@8" }, comdat 200@2 = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"\01??_R4A@@6B@", ptr @"\01?MyMethod@A@@UAE_NXZ"] }, comdat($"\01??_7A@@6B@") 201@"\01??_R4A@@6B@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 0, i32 0, i32 0, ptr @"\01??_R0?AVA@@@8", ptr @"\01??_R3A@@8" }, comdat 202@3 = private unnamed_addr constant { [2 x ptr] } { [2 x ptr] [ptr @"\01??_R4B@@6B@", ptr @"\01?MyMethod@B@@UAE_NXZ"] }, comdat($"\01??_7B@@6B@") 203@"\01??_R4B@@6B@" = linkonce_odr constant %rtti.CompleteObjectLocator { i32 0, i32 0, i32 0, ptr @"\01??_R0?AVB@@@8", ptr @"\01??_R3B@@8" }, comdat 204 205@"\01??_7C@@6BA@@@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @0, i32 0, i32 0, i32 1) 206@"\01??_7C@@6BB@@@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @1, i32 0, i32 0, i32 1) 207@"\01??_7A@@6B@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @2, i32 0, i32 0, i32 1) 208@"\01??_7B@@6B@" = unnamed_addr alias ptr, getelementptr inbounds ({ [2 x ptr] }, ptr @3, i32 0, i32 0, i32 1) 209 210; Function Attrs: noinline norecurse optnone 211define i32 @main() #0 !dbg !8 { 212entry: 213 %retval = alloca i32, align 4 214 %a = alloca ptr, align 4 215 %b = alloca ptr, align 4 216 %c = alloca ptr, align 4 217 %mp = alloca ptr, align 4 218 store i32 0, ptr %retval, align 4 219 call void @llvm.dbg.declare(metadata ptr %a, metadata !12, metadata !DIExpression()), !dbg !24 220 %call = call ptr @"\01??2@YAPAXI@Z"(i32 12) #7, !dbg !25 221 %0 = bitcast ptr %call to ptr, !dbg !25 222 %1 = bitcast ptr %0 to ptr, !dbg !26 223 call void @llvm.memset.p0.i32(ptr align 8 %1, i8 0, i32 12, i1 false), !dbg !26 224 %call1 = call x86_thiscallcc ptr @"\01??0C@@QAE@XZ"(ptr %0, i32 1) #8, !dbg !26 225 %2 = icmp eq ptr %0, null, !dbg !25 226 br i1 %2, label %cast.end, label %cast.notnull, !dbg !25 227 228cast.notnull: ; preds = %entry 229 %3 = bitcast ptr %0 to ptr, !dbg !25 230 %vbptr = getelementptr inbounds i8, ptr %3, i32 0, !dbg !25 231 %4 = bitcast ptr %vbptr to ptr, !dbg !25 232 %vbtable = load ptr, ptr %4, align 4, !dbg !25 233 %5 = getelementptr inbounds i32, ptr %vbtable, i32 1, !dbg !25 234 %vbase_offs = load i32, ptr %5, align 4, !dbg !25 235 %6 = add nsw i32 0, %vbase_offs, !dbg !25 236 %7 = bitcast ptr %0 to ptr, !dbg !25 237 %add.ptr = getelementptr inbounds i8, ptr %7, i32 %6, !dbg !25 238 %8 = bitcast ptr %add.ptr to ptr, !dbg !25 239 br label %cast.end, !dbg !25 240 241cast.end: ; preds = %cast.notnull, %entry 242 %cast.result = phi ptr [ %8, %cast.notnull ], [ null, %entry ], !dbg !25 243 store ptr %cast.result, ptr %a, align 4, !dbg !24 244 call void @llvm.dbg.declare(metadata ptr %b, metadata !27, metadata !DIExpression()), !dbg !36 245 %call2 = call ptr @"\01??2@YAPAXI@Z"(i32 12) #7, !dbg !37 246 %9 = bitcast ptr %call2 to ptr, !dbg !37 247 %10 = bitcast ptr %9 to ptr, !dbg !38 248 call void @llvm.memset.p0.i32(ptr align 8 %10, i8 0, i32 12, i1 false), !dbg !38 249 %call3 = call x86_thiscallcc ptr @"\01??0C@@QAE@XZ"(ptr %9, i32 1) #8, !dbg !38 250 %11 = icmp eq ptr %9, null, !dbg !37 251 br i1 %11, label %cast.end9, label %cast.notnull4, !dbg !37 252 253cast.notnull4: ; preds = %cast.end 254 %12 = bitcast ptr %9 to ptr, !dbg !37 255 %vbptr5 = getelementptr inbounds i8, ptr %12, i32 0, !dbg !37 256 %13 = bitcast ptr %vbptr5 to ptr, !dbg !37 257 %vbtable6 = load ptr, ptr %13, align 4, !dbg !37 258 %14 = getelementptr inbounds i32, ptr %vbtable6, i32 2, !dbg !37 259 %vbase_offs7 = load i32, ptr %14, align 4, !dbg !37 260 %15 = add nsw i32 0, %vbase_offs7, !dbg !37 261 %16 = bitcast ptr %9 to ptr, !dbg !37 262 %add.ptr8 = getelementptr inbounds i8, ptr %16, i32 %15, !dbg !37 263 %17 = bitcast ptr %add.ptr8 to ptr, !dbg !37 264 br label %cast.end9, !dbg !37 265 266cast.end9: ; preds = %cast.notnull4, %cast.end 267 %cast.result10 = phi ptr [ %17, %cast.notnull4 ], [ null, %cast.end ], !dbg !37 268 store ptr %cast.result10, ptr %b, align 4, !dbg !36 269 call void @llvm.dbg.declare(metadata ptr %c, metadata !39, metadata !DIExpression()), !dbg !49 270 %call11 = call ptr @"\01??2@YAPAXI@Z"(i32 12) #7, !dbg !50 271 %18 = bitcast ptr %call11 to ptr, !dbg !50 272 %19 = bitcast ptr %18 to ptr, !dbg !51 273 call void @llvm.memset.p0.i32(ptr align 8 %19, i8 0, i32 12, i1 false), !dbg !51 274 %call12 = call x86_thiscallcc ptr @"\01??0C@@QAE@XZ"(ptr %18, i32 1) #8, !dbg !51 275 store ptr %18, ptr %c, align 4, !dbg !49 276 %20 = load ptr, ptr %a, align 4, !dbg !52 277 %21 = bitcast ptr %20 to ptr, !dbg !53 278 %vtable = load ptr, ptr %21, align 4, !dbg !53 279 %vfn = getelementptr inbounds ptr, ptr %vtable, i64 0, !dbg !53 280 %22 = load ptr, ptr %vfn, align 4, !dbg !53 281 %call13 = call x86_thiscallcc zeroext i1 %22(ptr %20), !dbg !53 282 %23 = load ptr, ptr %b, align 4, !dbg !54 283 %24 = bitcast ptr %23 to ptr, !dbg !55 284 %vtable14 = load ptr, ptr %24, align 4, !dbg !55 285 %vfn15 = getelementptr inbounds ptr, ptr %vtable14, i64 0, !dbg !55 286 %25 = load ptr, ptr %vfn15, align 4, !dbg !55 287 %call16 = call x86_thiscallcc zeroext i1 %25(ptr %23), !dbg !55 288 %26 = load ptr, ptr %c, align 4, !dbg !56 289 %27 = bitcast ptr %26 to ptr, !dbg !57 290 %vbptr17 = getelementptr inbounds i8, ptr %27, i32 0, !dbg !57 291 %28 = bitcast ptr %vbptr17 to ptr, !dbg !57 292 %vbtable18 = load ptr, ptr %28, align 4, !dbg !57 293 %29 = getelementptr inbounds i32, ptr %vbtable18, i32 1, !dbg !57 294 %vbase_offs19 = load i32, ptr %29, align 4, !dbg !57 295 %30 = add nsw i32 0, %vbase_offs19, !dbg !57 296 %31 = getelementptr inbounds i8, ptr %27, i32 %30, !dbg !57 297 %32 = bitcast ptr %26 to ptr, !dbg !57 298 %vbptr20 = getelementptr inbounds i8, ptr %32, i32 0, !dbg !57 299 %33 = bitcast ptr %vbptr20 to ptr, !dbg !57 300 %vbtable21 = load ptr, ptr %33, align 4, !dbg !57 301 %34 = getelementptr inbounds i32, ptr %vbtable21, i32 1, !dbg !57 302 %vbase_offs22 = load i32, ptr %34, align 4, !dbg !57 303 %35 = add nsw i32 0, %vbase_offs22, !dbg !57 304 %36 = getelementptr inbounds i8, ptr %32, i32 %35, !dbg !57 305 %37 = bitcast ptr %36 to ptr, !dbg !57 306 %vtable23 = load ptr, ptr %37, align 4, !dbg !57 307 %vfn24 = getelementptr inbounds ptr, ptr %vtable23, i64 0, !dbg !57 308 %38 = load ptr, ptr %vfn24, align 4, !dbg !57 309 %call25 = call x86_thiscallcc zeroext i1 %38(ptr %31), !dbg !57 310 call void @llvm.dbg.declare(metadata ptr %mp, metadata !58, metadata !DIExpression()), !dbg !60 311 store ptr @"\01??_9A@@$BA@AE", ptr %mp, align 4, !dbg !60 312 ret i32 0, !dbg !61 313} 314 315; Function Attrs: nounwind readnone speculatable 316declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 317 318; Function Attrs: nobuiltin 319declare noalias ptr @"\01??2@YAPAXI@Z"(i32) #2 320 321; Function Attrs: argmemonly nounwind 322declare void @llvm.memset.p0.i32(ptr nocapture writeonly, i8, i32, i1) #3 323 324; Function Attrs: noinline nounwind optnone 325define linkonce_odr x86_thiscallcc ptr @"\01??0C@@QAE@XZ"(ptr returned %this, i32 %is_most_derived) unnamed_addr #4 comdat align 2 !dbg !62 { 326entry: 327 %retval = alloca ptr, align 4 328 %is_most_derived.addr = alloca i32, align 4 329 %this.addr = alloca ptr, align 4 330 store i32 %is_most_derived, ptr %is_most_derived.addr, align 4 331 call void @llvm.dbg.declare(metadata ptr %is_most_derived.addr, metadata !66, metadata !DIExpression()), !dbg !67 332 store ptr %this, ptr %this.addr, align 4 333 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !68, metadata !DIExpression()), !dbg !67 334 %this1 = load ptr, ptr %this.addr, align 4 335 store ptr %this1, ptr %retval, align 4 336 %is_most_derived2 = load i32, ptr %is_most_derived.addr, align 4 337 %is_complete_object = icmp ne i32 %is_most_derived2, 0, !dbg !69 338 br i1 %is_complete_object, label %ctor.init_vbases, label %ctor.skip_vbases, !dbg !69 339 340ctor.init_vbases: ; preds = %entry 341 %this.int8 = bitcast ptr %this1 to ptr, !dbg !69 342 %0 = getelementptr inbounds i8, ptr %this.int8, i32 0, !dbg !69 343 %vbptr.C = bitcast ptr %0 to ptr, !dbg !69 344 store ptr @"\01??_8C@@7B@", ptr %vbptr.C, align 4, !dbg !69 345 %1 = bitcast ptr %this1 to ptr, !dbg !69 346 %2 = getelementptr inbounds i8, ptr %1, i32 4, !dbg !69 347 %3 = bitcast ptr %2 to ptr, !dbg !69 348 %call = call x86_thiscallcc ptr @"\01??0A@@QAE@XZ"(ptr %3) #8, !dbg !69 349 %4 = bitcast ptr %this1 to ptr, !dbg !69 350 %5 = getelementptr inbounds i8, ptr %4, i32 8, !dbg !69 351 %6 = bitcast ptr %5 to ptr, !dbg !69 352 %call3 = call x86_thiscallcc ptr @"\01??0B@@QAE@XZ"(ptr %6) #8, !dbg !69 353 br label %ctor.skip_vbases, !dbg !69 354 355ctor.skip_vbases: ; preds = %ctor.init_vbases, %entry 356 %7 = bitcast ptr %this1 to ptr, !dbg !69 357 %vbptr = getelementptr inbounds i8, ptr %7, i32 0, !dbg !69 358 %8 = bitcast ptr %vbptr to ptr, !dbg !69 359 %vbtable = load ptr, ptr %8, align 4, !dbg !69 360 %9 = getelementptr inbounds i32, ptr %vbtable, i32 1, !dbg !69 361 %vbase_offs = load i32, ptr %9, align 4, !dbg !69 362 %10 = add nsw i32 0, %vbase_offs, !dbg !69 363 %11 = bitcast ptr %this1 to ptr, !dbg !69 364 %add.ptr = getelementptr inbounds i8, ptr %11, i32 %10, !dbg !69 365 %12 = bitcast ptr %add.ptr to ptr, !dbg !69 366 store ptr @"\01??_7C@@6BA@@@", ptr %12, align 4, !dbg !69 367 %13 = bitcast ptr %this1 to ptr, !dbg !69 368 %vbptr4 = getelementptr inbounds i8, ptr %13, i32 0, !dbg !69 369 %14 = bitcast ptr %vbptr4 to ptr, !dbg !69 370 %vbtable5 = load ptr, ptr %14, align 4, !dbg !69 371 %15 = getelementptr inbounds i32, ptr %vbtable5, i32 2, !dbg !69 372 %vbase_offs6 = load i32, ptr %15, align 4, !dbg !69 373 %16 = add nsw i32 0, %vbase_offs6, !dbg !69 374 %17 = bitcast ptr %this1 to ptr, !dbg !69 375 %add.ptr7 = getelementptr inbounds i8, ptr %17, i32 %16, !dbg !69 376 %18 = bitcast ptr %add.ptr7 to ptr, !dbg !69 377 store ptr @"\01??_7C@@6BB@@@", ptr %18, align 4, !dbg !69 378 %19 = load ptr, ptr %retval, align 4, !dbg !69 379 ret ptr %19, !dbg !69 380} 381 382; Function Attrs: noinline optnone 383define linkonce_odr x86_thiscallcc void @"\01??_9A@@$BA@AE"(ptr %this, ...) #5 comdat align 2 !dbg !70 { 384entry: 385 %this.addr = alloca ptr, align 4 386 store ptr %this, ptr %this.addr, align 4 387 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !72, metadata !DIExpression()), !dbg !73 388 %this1 = load ptr, ptr %this.addr, align 4 389 %0 = bitcast ptr %this1 to ptr 390 %vtable = load ptr, ptr %0, align 4 391 %vfn = getelementptr inbounds ptr, ptr %vtable, i64 0 392 %1 = load ptr, ptr %vfn, align 4 393 musttail call x86_thiscallcc void (ptr, ...) %1(ptr %this1, ...) 394 ret void 395 ; No predecessors! 396 ret void 397} 398 399; Function Attrs: noinline nounwind optnone 400define linkonce_odr x86_thiscallcc ptr @"\01??0A@@QAE@XZ"(ptr returned %this) unnamed_addr #4 comdat align 2 !dbg !74 { 401entry: 402 %this.addr = alloca ptr, align 4 403 store ptr %this, ptr %this.addr, align 4 404 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !78, metadata !DIExpression()), !dbg !79 405 %this1 = load ptr, ptr %this.addr, align 4 406 %0 = bitcast ptr %this1 to ptr, !dbg !80 407 store ptr @"\01??_7A@@6B@", ptr %0, align 4, !dbg !80 408 ret ptr %this1, !dbg !80 409} 410 411; Function Attrs: noinline nounwind optnone 412define linkonce_odr x86_thiscallcc ptr @"\01??0B@@QAE@XZ"(ptr returned %this) unnamed_addr #4 comdat align 2 !dbg !81 { 413entry: 414 %this.addr = alloca ptr, align 4 415 store ptr %this, ptr %this.addr, align 4 416 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !85, metadata !DIExpression()), !dbg !86 417 %this1 = load ptr, ptr %this.addr, align 4 418 %0 = bitcast ptr %this1 to ptr, !dbg !87 419 store ptr @"\01??_7B@@6B@", ptr %0, align 4, !dbg !87 420 ret ptr %this1, !dbg !87 421} 422 423; Function Attrs: noinline nounwind optnone 424define linkonce_odr x86_thiscallcc zeroext i1 @"\01?MyMethod@C@@UAE_NXZ"(ptr %this.coerce) unnamed_addr #4 comdat align 2 !dbg !88 { 425entry: 426 %this = alloca ptr, align 4 427 %this.addr = alloca ptr, align 4 428 %coerce.val = bitcast ptr %this.coerce to ptr 429 store ptr %coerce.val, ptr %this, align 4 430 %this1 = load ptr, ptr %this, align 4 431 store ptr %this1, ptr %this.addr, align 4 432 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !89, metadata !DIExpression()), !dbg !90 433 %this2 = load ptr, ptr %this.addr, align 4 434 %0 = bitcast ptr %this2 to ptr 435 %1 = getelementptr inbounds i8, ptr %0, i32 -4 436 %this.adjusted = bitcast ptr %1 to ptr 437 ret i1 true, !dbg !91 438} 439 440; Function Attrs: noinline optnone 441define linkonce_odr x86_thiscallcc zeroext i1 @"\01?MyMethod@C@@W3AE_NXZ"(ptr %this.coerce) unnamed_addr #6 comdat align 2 !dbg !92 { 442entry: 443 %this = alloca ptr, align 4 444 %this.addr = alloca ptr, align 4 445 %coerce.val = bitcast ptr %this.coerce to ptr 446 store ptr %coerce.val, ptr %this, align 4 447 %this1 = load ptr, ptr %this, align 4 448 store ptr %this1, ptr %this.addr, align 4 449 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !93, metadata !DIExpression()), !dbg !94 450 %this2 = load ptr, ptr %this.addr, align 4, !dbg !94 451 %0 = bitcast ptr %this2 to ptr, !dbg !94 452 %1 = getelementptr i8, ptr %0, i32 -4, !dbg !94 453 %call = tail call x86_thiscallcc zeroext i1 @"\01?MyMethod@C@@UAE_NXZ"(ptr %1), !dbg !94 454 ret i1 %call, !dbg !94 455} 456 457; Function Attrs: noinline nounwind optnone 458define linkonce_odr x86_thiscallcc zeroext i1 @"\01?MyMethod@A@@UAE_NXZ"(ptr %this) unnamed_addr #4 comdat align 2 !dbg !95 { 459entry: 460 %this.addr = alloca ptr, align 4 461 store ptr %this, ptr %this.addr, align 4 462 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !96, metadata !DIExpression()), !dbg !97 463 %this1 = load ptr, ptr %this.addr, align 4 464 ret i1 true, !dbg !98 465} 466 467; Function Attrs: noinline nounwind optnone 468define linkonce_odr x86_thiscallcc zeroext i1 @"\01?MyMethod@B@@UAE_NXZ"(ptr %this) unnamed_addr #4 comdat align 2 !dbg !99 { 469entry: 470 %this.addr = alloca ptr, align 4 471 store ptr %this, ptr %this.addr, align 4 472 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !100, metadata !DIExpression()), !dbg !101 473 %this1 = load ptr, ptr %this.addr, align 4 474 ret i1 true, !dbg !102 475} 476 477attributes #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" } 478attributes #1 = { nounwind readnone speculatable } 479attributes #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" } 480attributes #3 = { argmemonly nounwind } 481attributes #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" } 482attributes #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" } 483attributes #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" } 484attributes #7 = { builtin } 485attributes #8 = { nounwind } 486 487!llvm.dbg.cu = !{!0} 488!llvm.module.flags = !{!3, !4, !5, !6} 489!llvm.ident = !{!7} 490 491!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) 492!1 = !DIFile(filename: "thunk.cpp", directory: "C:\5Cpath\5Cto", checksumkind: CSK_MD5, checksum: "d4b977fc614313c5a4fbdc980b2f4243") 493!2 = !{} 494!3 = !{i32 1, !"NumRegisterParameters", i32 0} 495!4 = !{i32 2, !"CodeView", i32 1} 496!5 = !{i32 2, !"Debug Info Version", i32 3} 497!6 = !{i32 1, !"wchar_size", i32 2} 498!7 = !{!"clang version 7.0.0 (trunk)"} 499!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) 500!9 = !DISubroutineType(types: !10) 501!10 = !{!11} 502!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 503!12 = !DILocalVariable(name: "a", scope: !8, file: !1, line: 10, type: !13) 504!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 32) 505!14 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "A", file: !1, line: 1, size: 32, flags: DIFlagTypePassByValue, elements: !15, vtableHolder: !14, identifier: ".?AVA@@") 506!15 = !{!16, !17, !19} 507!16 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", baseType: null, size: 32) 508!17 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", scope: !1, file: !1, baseType: !18, size: 32, flags: DIFlagArtificial) 509!18 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 32) 510!19 = !DISubprogram(name: "MyMethod", linkageName: "\01?MyMethod@A@@UAE_NXZ", scope: !14, file: !1, line: 1, type: !20, isLocal: false, isDefinition: false, scopeLine: 1, containingType: !14, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 0, flags: DIFlagPublic | DIFlagPrototyped | DIFlagIntroducedVirtual, isOptimized: false) 511!20 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !21) 512!21 = !{!22, !23} 513!22 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean) 514!23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 32, flags: DIFlagArtificial | DIFlagObjectPointer) 515!24 = !DILocation(line: 10, column: 8, scope: !8) 516!25 = !DILocation(line: 10, column: 12, scope: !8) 517!26 = !DILocation(line: 10, column: 16, scope: !8) 518!27 = !DILocalVariable(name: "b", scope: !8, file: !1, line: 11, type: !28) 519!28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 32) 520!29 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "B", file: !1, line: 2, size: 32, flags: DIFlagTypePassByValue, elements: !30, vtableHolder: !29, identifier: ".?AVB@@") 521!30 = !{!16, !31, !32} 522!31 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$B", scope: !1, file: !1, baseType: !18, size: 32, flags: DIFlagArtificial) 523!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) 524!33 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !34) 525!34 = !{!22, !35} 526!35 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 32, flags: DIFlagArtificial | DIFlagObjectPointer) 527!36 = !DILocation(line: 11, column: 8, scope: !8) 528!37 = !DILocation(line: 11, column: 12, scope: !8) 529!38 = !DILocation(line: 11, column: 16, scope: !8) 530!39 = !DILocalVariable(name: "c", scope: !8, file: !1, line: 12, type: !40) 531!40 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !41, size: 32) 532!41 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "C", file: !1, line: 3, size: 96, flags: DIFlagTypePassByValue, elements: !42, vtableHolder: !41, identifier: ".?AVC@@") 533!42 = !{!43, !44, !45} 534!43 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !41, baseType: !14, offset: 4, flags: DIFlagPublic | DIFlagVirtual) 535!44 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !41, baseType: !29, offset: 8, flags: DIFlagPublic | DIFlagVirtual) 536!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) 537!46 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !47) 538!47 = !{!22, !48} 539!48 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !41, size: 32, flags: DIFlagArtificial | DIFlagObjectPointer) 540!49 = !DILocation(line: 12, column: 8, scope: !8) 541!50 = !DILocation(line: 12, column: 12, scope: !8) 542!51 = !DILocation(line: 12, column: 16, scope: !8) 543!52 = !DILocation(line: 13, column: 5, scope: !8) 544!53 = !DILocation(line: 13, column: 8, scope: !8) 545!54 = !DILocation(line: 14, column: 5, scope: !8) 546!55 = !DILocation(line: 14, column: 8, scope: !8) 547!56 = !DILocation(line: 15, column: 5, scope: !8) 548!57 = !DILocation(line: 15, column: 8, scope: !8) 549!58 = !DILocalVariable(name: "mp", scope: !8, file: !1, line: 16, type: !59) 550!59 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !20, size: 32, flags: DIFlagSingleInheritance, extraData: !14) 551!60 = !DILocation(line: 16, column: 15, scope: !8) 552!61 = !DILocation(line: 17, column: 5, scope: !8) 553!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) 554!63 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !64) 555!64 = !{null, !48} 556!65 = !DISubprogram(name: "C", scope: !41, type: !63, isLocal: false, isDefinition: false, flags: DIFlagPublic | DIFlagArtificial | DIFlagPrototyped, isOptimized: false) 557!66 = !DILocalVariable(name: "is_most_derived", arg: 2, scope: !62, type: !11, flags: DIFlagArtificial) 558!67 = !DILocation(line: 0, scope: !62) 559!68 = !DILocalVariable(name: "this", arg: 1, scope: !62, type: !40, flags: DIFlagArtificial | DIFlagObjectPointer) 560!69 = !DILocation(line: 3, column: 7, scope: !62) 561!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) 562!71 = !DISubroutineType(types: !2) 563!72 = !DILocalVariable(name: "this", arg: 1, scope: !70, type: !13, flags: DIFlagArtificial | DIFlagObjectPointer) 564!73 = !DILocation(line: 0, scope: !70) 565!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) 566!75 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !76) 567!76 = !{null, !23} 568!77 = !DISubprogram(name: "A", scope: !14, type: !75, isLocal: false, isDefinition: false, flags: DIFlagPublic | DIFlagArtificial | DIFlagPrototyped, isOptimized: false) 569!78 = !DILocalVariable(name: "this", arg: 1, scope: !74, type: !13, flags: DIFlagArtificial | DIFlagObjectPointer) 570!79 = !DILocation(line: 0, scope: !74) 571!80 = !DILocation(line: 1, column: 7, scope: !74) 572!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) 573!82 = !DISubroutineType(cc: DW_CC_BORLAND_thiscall, types: !83) 574!83 = !{null, !35} 575!84 = !DISubprogram(name: "B", scope: !29, type: !82, isLocal: false, isDefinition: false, flags: DIFlagPublic | DIFlagArtificial | DIFlagPrototyped, isOptimized: false) 576!85 = !DILocalVariable(name: "this", arg: 1, scope: !81, type: !28, flags: DIFlagArtificial | DIFlagObjectPointer) 577!86 = !DILocation(line: 0, scope: !81) 578!87 = !DILocation(line: 2, column: 7, scope: !81) 579!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) 580!89 = !DILocalVariable(name: "this", arg: 1, scope: !88, type: !40, flags: DIFlagArtificial | DIFlagObjectPointer) 581!90 = !DILocation(line: 0, scope: !88) 582!91 = !DILocation(line: 5, column: 31, scope: !88) 583!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) 584!93 = !DILocalVariable(name: "this", arg: 1, scope: !92, type: !40, flags: DIFlagArtificial | DIFlagObjectPointer) 585!94 = !DILocation(line: 0, scope: !92) 586!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) 587!96 = !DILocalVariable(name: "this", arg: 1, scope: !95, type: !13, flags: DIFlagArtificial | DIFlagObjectPointer) 588!97 = !DILocation(line: 0, scope: !95) 589!98 = !DILocation(line: 1, column: 45, scope: !95) 590!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) 591!100 = !DILocalVariable(name: "this", arg: 1, scope: !99, type: !28, flags: DIFlagArtificial | DIFlagObjectPointer) 592!101 = !DILocation(line: 0, scope: !99) 593!102 = !DILocation(line: 2, column: 45, scope: !99) 594