1; RUN: llc < %s -asm-verbose=false -disable-wasm-explicit-locals | FileCheck %s --check-prefix=TYPEINFONAME 2; RUN: llc < %s -asm-verbose=false -disable-wasm-explicit-locals | FileCheck %s --check-prefix=VTABLE 3; RUN: llc < %s -asm-verbose=false -disable-wasm-explicit-locals | FileCheck %s --check-prefix=TYPEINFO 4 5; Test that simple vtables assemble as expected. 6; 7; The class hierarchy is: 8; struct A; 9; struct B : public A; 10; struct C : public A; 11; struct D : public B; 12; Each with a virtual dtor and method foo. 13 14target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" 15target triple = "wasm32-unknown-unknown" 16 17%struct.A = type { i32 (...)** } 18%struct.B = type { %struct.A } 19%struct.C = type { %struct.A } 20%struct.D = type { %struct.B } 21 22@_ZTVN10__cxxabiv117__class_type_infoE = external global i8* 23@_ZTVN10__cxxabiv120__si_class_type_infoE = external global i8* 24 25; TYPEINFONAME-LABEL: _ZTS1A: 26; TYPEINFONAME-NEXT: .asciz "1A" 27@_ZTS1A = constant [3 x i8] c"1A\00" 28; TYPEINFONAME-LABEL: _ZTS1B: 29; TYPEINFONAME-NEXT: .asciz "1B" 30@_ZTS1B = constant [3 x i8] c"1B\00" 31; TYPEINFONAME-LABEL: _ZTS1C: 32; TYPEINFONAME-NEXT: .asciz "1C" 33@_ZTS1C = constant [3 x i8] c"1C\00" 34; TYPEINFONAME-LABEL: _ZTS1D: 35; TYPEINFONAME-NEXT: .asciz "1D" 36@_ZTS1D = constant [3 x i8] c"1D\00" 37 38; VTABLE: .type _ZTV1A,@object 39; VTABLE-NEXT: .section .data.rel.ro._ZTV1A, 40; VTABLE-NEXT: .globl _ZTV1A 41; VTABLE-LABEL: _ZTV1A: 42; VTABLE-NEXT: .int32 0 43; VTABLE-NEXT: .int32 _ZTI1A 44; VTABLE-NEXT: .int32 _ZN1AD2Ev 45; VTABLE-NEXT: .int32 _ZN1AD0Ev 46; VTABLE-NEXT: .int32 _ZN1A3fooEv 47; VTABLE-NEXT: .size _ZTV1A, 20 48@_ZTV1A = constant [5 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast (%struct.A* (%struct.A*)* @_ZN1AD2Ev to i8*), i8* bitcast (void (%struct.A*)* @_ZN1AD0Ev to i8*), i8* bitcast (void (%struct.A*)* @_ZN1A3fooEv to i8*)], align 4 49; VTABLE: .type _ZTV1B,@object 50; VTABLE-NEXT: .section .data.rel.ro._ZTV1B, 51; VTABLE-NEXT: .globl _ZTV1B 52; VTABLE-LABEL: _ZTV1B: 53; VTABLE-NEXT: .int32 0 54; VTABLE-NEXT: .int32 _ZTI1B 55; VTABLE-NEXT: .int32 _ZN1AD2Ev 56; VTABLE-NEXT: .int32 _ZN1BD0Ev 57; VTABLE-NEXT: .int32 _ZN1B3fooEv 58; VTABLE-NEXT: .size _ZTV1B, 20 59@_ZTV1B = constant [5 x i8*] [i8* null, i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1B to i8*), i8* bitcast (%struct.A* (%struct.A*)* @_ZN1AD2Ev to i8*), i8* bitcast (void (%struct.B*)* @_ZN1BD0Ev to i8*), i8* bitcast (void (%struct.B*)* @_ZN1B3fooEv to i8*)], align 4 60; VTABLE: .type _ZTV1C,@object 61; VTABLE-NEXT: .section .data.rel.ro._ZTV1C, 62; VTABLE-NEXT: .globl _ZTV1C 63; VTABLE-LABEL: _ZTV1C: 64; VTABLE-NEXT: .int32 0 65; VTABLE-NEXT: .int32 _ZTI1C 66; VTABLE-NEXT: .int32 _ZN1AD2Ev 67; VTABLE-NEXT: .int32 _ZN1CD0Ev 68; VTABLE-NEXT: .int32 _ZN1C3fooEv 69; VTABLE-NEXT: .size _ZTV1C, 20 70@_ZTV1C = constant [5 x i8*] [i8* null, i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1C to i8*), i8* bitcast (%struct.A* (%struct.A*)* @_ZN1AD2Ev to i8*), i8* bitcast (void (%struct.C*)* @_ZN1CD0Ev to i8*), i8* bitcast (void (%struct.C*)* @_ZN1C3fooEv to i8*)], align 4 71; VTABLE: .type _ZTV1D,@object 72; VTABLE-NEXT: .section .data.rel.ro._ZTV1D, 73; VTABLE-NEXT: .globl _ZTV1D 74; VTABLE-LABEL: _ZTV1D: 75; VTABLE-NEXT: .int32 0 76; VTABLE-NEXT: .int32 _ZTI1D 77; VTABLE-NEXT: .int32 _ZN1AD2Ev 78; VTABLE-NEXT: .int32 _ZN1DD0Ev 79; VTABLE-NEXT: .int32 _ZN1D3fooEv 80; VTABLE-NEXT: .size _ZTV1D, 20 81@_ZTV1D = constant [5 x i8*] [i8* null, i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1D to i8*), i8* bitcast (%struct.A* (%struct.A*)* @_ZN1AD2Ev to i8*), i8* bitcast (void (%struct.D*)* @_ZN1DD0Ev to i8*), i8* bitcast (void (%struct.D*)* @_ZN1D3fooEv to i8*)], align 4 82 83; TYPEINFO: .type _ZTI1A,@object 84; TYPEINFO: .globl _ZTI1A 85; TYPEINFO-LABEL: _ZTI1A: 86; TYPEINFO-NEXT: .int32 _ZTVN10__cxxabiv117__class_type_infoE+8 87; TYPEINFO-NEXT: .int32 _ZTS1A 88; TYPEINFO-NEXT: .size _ZTI1A, 8 89@_ZTI1A = constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i32 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1A, i32 0, i32 0) } 90; TYPEINFO: .type _ZTI1B,@object 91; TYPEINFO: .globl _ZTI1B 92; TYPEINFO-LABEL: _ZTI1B: 93; TYPEINFO-NEXT: .int32 _ZTVN10__cxxabiv120__si_class_type_infoE+8 94; TYPEINFO-NEXT: .int32 _ZTS1B 95; TYPEINFO-NEXT: .int32 _ZTI1A 96; TYPEINFO-NEXT: .size _ZTI1B, 12 97@_ZTI1B = constant { i8*, i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv120__si_class_type_infoE, i32 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1B, i32 0, i32 0), i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*) } 98; TYPEINFO: .type _ZTI1C,@object 99; TYPEINFO: .globl _ZTI1C 100; TYPEINFO-LABEL: _ZTI1C: 101; TYPEINFO-NEXT: .int32 _ZTVN10__cxxabiv120__si_class_type_infoE+8 102; TYPEINFO-NEXT: .int32 _ZTS1C 103; TYPEINFO-NEXT: .int32 _ZTI1A 104; TYPEINFO-NEXT: .size _ZTI1C, 12 105@_ZTI1C = constant { i8*, i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv120__si_class_type_infoE, i32 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1C, i32 0, i32 0), i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*) } 106; TYPEINFO: .type _ZTI1D,@object 107; TYPEINFO: .globl _ZTI1D 108; TYPEINFO-LABEL: _ZTI1D: 109; TYPEINFO-NEXT: .int32 _ZTVN10__cxxabiv120__si_class_type_infoE+8 110; TYPEINFO-NEXT: .int32 _ZTS1D 111; TYPEINFO-NEXT: .int32 _ZTI1B 112; TYPEINFO-NEXT: .size _ZTI1D, 12 113@_ZTI1D = constant { i8*, i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv120__si_class_type_infoE, i32 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1D, i32 0, i32 0), i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1B to i8*) } 114 115@g = global i32 0, align 4 116 117define void @_ZN1A3fooEv(%struct.A* %this) { 118entry: 119 store i32 2, i32* @g, align 4 120 ret void 121} 122 123define void @_ZN1B3fooEv(%struct.B* %this) { 124entry: 125 store i32 4, i32* @g, align 4 126 ret void 127} 128 129define void @_ZN1C3fooEv(%struct.C* %this) { 130entry: 131 store i32 6, i32* @g, align 4 132 ret void 133} 134 135define void @_ZN1D3fooEv(%struct.D* %this) { 136entry: 137 store i32 8, i32* @g, align 4 138 ret void 139} 140 141define linkonce_odr void @_ZN1AD0Ev(%struct.A* %this) { 142entry: 143 %0 = bitcast %struct.A* %this to i8* 144 tail call void @_ZdlPv(i8* %0) 145 ret void 146} 147 148define linkonce_odr void @_ZN1BD0Ev(%struct.B* %this) { 149entry: 150 %0 = bitcast %struct.B* %this to i8* 151 tail call void @_ZdlPv(i8* %0) 152 ret void 153} 154 155define linkonce_odr void @_ZN1CD0Ev(%struct.C* %this) { 156entry: 157 %0 = bitcast %struct.C* %this to i8* 158 tail call void @_ZdlPv(i8* %0) 159 ret void 160} 161 162define linkonce_odr %struct.A* @_ZN1AD2Ev(%struct.A* returned %this) { 163entry: 164 ret %struct.A* %this 165} 166 167define linkonce_odr void @_ZN1DD0Ev(%struct.D* %this) { 168entry: 169 %0 = bitcast %struct.D* %this to i8* 170 tail call void @_ZdlPv(i8* %0) 171 ret void 172} 173 174declare void @_ZdlPv(i8*) 175