1 ; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s --check-prefix=TYPEINFONAME
2 ; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s --check-prefix=VTABLE
3 ; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s --check-prefix=TYPEINFO
5 ; Test that simple vtables assemble as expected.
7 ; The class hierarchy is:
10 ; struct C : public A;
11 ; struct D : public B;
12 ; Each with a virtual dtor and method foo.
14 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
15 target triple = "wasm32-unknown-unknown"
17 %struct.A = type { i32 (...)** }
18 %struct.B = type { %struct.A }
19 %struct.C = type { %struct.A }
20 %struct.D = type { %struct.B }
22 @_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
23 @_ZTVN10__cxxabiv120__si_class_type_infoE = external global i8*
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"
38 ; VTABLE: .type _ZTV1A,@object
39 ; VTABLE-NEXT: .section .rodata._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 .rodata._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 .rodata._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 .rodata._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
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*) }
115 @g = global i32 0, align 4
117 define void @_ZN1A3fooEv(%struct.A* %this) {
119 store i32 2, i32* @g, align 4
123 define void @_ZN1B3fooEv(%struct.B* %this) {
125 store i32 4, i32* @g, align 4
129 define void @_ZN1C3fooEv(%struct.C* %this) {
131 store i32 6, i32* @g, align 4
135 define void @_ZN1D3fooEv(%struct.D* %this) {
137 store i32 8, i32* @g, align 4
141 define linkonce_odr void @_ZN1AD0Ev(%struct.A* %this) {
143 %0 = bitcast %struct.A* %this to i8*
144 tail call void @_ZdlPv(i8* %0)
148 define linkonce_odr void @_ZN1BD0Ev(%struct.B* %this) {
150 %0 = bitcast %struct.B* %this to i8*
151 tail call void @_ZdlPv(i8* %0)
155 define linkonce_odr void @_ZN1CD0Ev(%struct.C* %this) {
157 %0 = bitcast %struct.C* %this to i8*
158 tail call void @_ZdlPv(i8* %0)
162 define linkonce_odr %struct.A* @_ZN1AD2Ev(%struct.A* returned %this) {
167 define linkonce_odr void @_ZN1DD0Ev(%struct.D* %this) {
169 %0 = bitcast %struct.D* %this to i8*
170 tail call void @_ZdlPv(i8* %0)
174 declare void @_ZdlPv(i8*)