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Debug Info: In DIBuilder, the derived-from field of DIDerivedType

Browse Source 
is updated to use DITypeRef.

A paired commit at clang is required due to changes to DIBuilder.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192246 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren 2013-10-08 22:56:31 +00:00
parent c976500793
commit 78c2f9b8cf
2 changed files with 46 additions and 20 deletions
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16
lib/IR/DIBuilder.cpp
View File

@ -283,7 +283,7 @@ DIDerivedType DIBuilder::createQualifiedType(unsigned Tag, DIType FromTy) {
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
FromTy
FromTy.getRef()
};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
@ -321,7 +321,7 @@ DIDerivedType DIBuilder::createMemberPointerType(DIType PointeeTy,
ConstantInt::get(Type::getInt64Ty(VMContext), 0),
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
PointeeTy,
PointeeTy.getRef(),
Base.getRef()
};
return DIDerivedType(MDNode::get(VMContext, Elts));
@ -342,7 +342,7 @@ DIDerivedType DIBuilder::createReferenceType(unsigned Tag, DIType RTy) {
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
RTy
RTy.getRef()
};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
@ -362,7 +362,7 @@ DIDerivedType DIBuilder::createTypedef(DIType Ty, StringRef Name, DIFile File,
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
Ty
Ty.getRef()
};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
@ -382,7 +382,7 @@ DIDerivedType DIBuilder::createFriend(DIType Ty, DIType FriendTy) {
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Offset
ConstantInt::get(Type::getInt32Ty(VMContext), 0), // Flags
FriendTy
FriendTy.getRef()
};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
@ -403,7 +403,7 @@ DIDerivedType DIBuilder::createInheritance(
ConstantInt::get(Type::getInt64Ty(VMContext), 0), // Align
ConstantInt::get(Type::getInt64Ty(VMContext), BaseOffset),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
BaseTy
BaseTy.getRef()
};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
@ -424,7 +424,7 @@ DIDerivedType DIBuilder::createMemberType(
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
Ty
Ty.getRef()
};
return DIDerivedType(MDNode::get(VMContext, Elts));
}
@ -448,7 +448,7 @@ DIBuilder::createStaticMemberType(DIDescriptor Scope, StringRef Name,
ConstantInt::get(Type::getInt64Ty(VMContext), 0/*AlignInBits*/),
ConstantInt::get(Type::getInt64Ty(VMContext), 0/*OffsetInBits*/),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
Ty,
Ty.getRef(),
Val
};
return DIDerivedType(MDNode::get(VMContext, Elts));

50
test/DebugInfo/tu-composite.ll
View File

@ -6,16 +6,26 @@
; CHECK-NEXT: DW_AT_containing_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
; CHECK: [[SP:.*]]: DW_TAG_subprogram
; CHECK: DW_AT_containing_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
; CHECK: [[TYPE2:.*]]: DW_TAG_structure_type
; CHECK: DW_TAG_pointer_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
; CHECK: DW_TAG_typedef
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]})
; IR generated from clang -g with the following source:
; struct C {
; virtual void foo();
; };
; void C::foo() {
; }
;
; struct bar { };
; typedef bar baz;
; void test() {
; baz B;
; }
%struct.C = type { i32 (...)** }
%struct.bar = type { i8 }
@_ZTV1C = unnamed_addr constant [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1C to i8*), i8* bitcast (void (%struct.C*)* @_ZN1C3fooEv to i8*)]
@_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
@ -27,24 +37,32 @@ define void @_ZN1C3fooEv(%struct.C* %this) unnamed_addr #0 align 2 {
entry:
%this.addr = alloca %struct.C*, align 8
store %struct.C* %this, %struct.C** %this.addr, align 8
call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr}, metadata !21), !dbg !23
call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr}, metadata !25), !dbg !27
%this1 = load %struct.C** %this.addr
ret void, !dbg !24
ret void, !dbg !28
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata) #1
; Function Attrs: nounwind ssp uwtable
define void @_Z4testv() #0 {
entry:
%B = alloca %struct.bar, align 1
call void @llvm.dbg.declare(metadata !{%struct.bar* %B}, metadata !29), !dbg !31
ret void, !dbg !32
}
attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!20}
!llvm.module.flags = !{!24}
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (trunk 190115)", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !18, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [tmp.cpp] [DW_LANG_C_plus_plus]
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !19, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [tmp.cpp] [DW_LANG_C_plus_plus]
!1 = metadata !{metadata !"tmp.cpp", metadata !"."}
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!3 = metadata !{metadata !4, metadata !18}
!4 = metadata !{i32 786451, metadata !1, null, metadata !"C", i32 1, i64 64, i64 64, i32 0, i32 0, null, metadata !5, i32 0, metadata !"_ZTS1C", null, metadata !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 1, size 64, align 64, offset 0] [def] [from ]
!5 = metadata !{metadata !6, metadata !13}
!6 = metadata !{i32 786445, metadata !1, metadata !7, metadata !"_vptr$C", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !8} ; [ DW_TAG_member ] [_vptr$C] [line 0, size 64, align 0, offset 0] [artificial] [from ]
@ -59,10 +77,18 @@ attributes #1 = { nounwind readnone }
!15 = metadata !{null, metadata !16}
!16 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1C]
!17 = metadata !{i32 786468}
!18 = metadata !{metadata !19}
!19 = metadata !{i32 786478, metadata !1, null, metadata !"foo", metadata !"foo", metadata !"_ZN1C3fooEv", i32 4, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.C*)* @_ZN1C3fooEv, null, metadata !13, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [foo]
!20 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
!21 = metadata !{i32 786689, metadata !19, metadata !"this", null, i32 16777216, metadata !22, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
!22 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C]
!23 = metadata !{i32 0, i32 0, metadata !19, null}
!24 = metadata !{i32 5, i32 0, metadata !19, null}
!18 = metadata !{i32 786451, metadata !1, null, metadata !"bar", i32 7, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null, metadata !"_ZTS3bar"} ; [ DW_TAG_structure_type ] [bar] [line 7, size 8, align 8, offset 0] [def] [from ]
!19 = metadata !{metadata !20, metadata !21}
!20 = metadata !{i32 786478, metadata !1, null, metadata !"foo", metadata !"foo", metadata !"_ZN1C3fooEv", i32 4, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.C*)* @_ZN1C3fooEv, null, metadata !13, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [foo]
!21 = metadata !{i32 786478, metadata !1, metadata !7, metadata !"test", metadata !"test", metadata !"_Z4testv", i32 9, metadata !22, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z4testv, null, null, metadata !2, i32 9} ; [ DW_TAG_subprogram ] [line 9] [def] [test]
!22 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !23, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!23 = metadata !{null}
!24 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
!25 = metadata !{i32 786689, metadata !20, metadata !"this", null, i32 16777216, metadata !26, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
!26 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C]
!27 = metadata !{i32 0, i32 0, metadata !20, null}
!28 = metadata !{i32 5, i32 0, metadata !20, null}
!29 = metadata !{i32 786688, metadata !21, metadata !"B", metadata !7, i32 10, metadata !30, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [B] [line 10]
!30 = metadata !{i32 786454, metadata !1, null, metadata !"baz", i32 8, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS3bar"} ; [ DW_TAG_typedef ] [baz] [line 8, size 0, align 0, offset 0] [from _ZTS3bar]
!31 = metadata !{i32 10, i32 0, metadata !21, null}
!32 = metadata !{i32 11, i32 0, metadata !21, null}