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Debug Info: instead of calling addToContextOwner which constructs the context

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after the DIE creation, we construct the context first.

Ensure that we create the context before we create a type so that we can add
the newly created type to the parent. Remove last use of addToContextOwner
now that it's not needed.

We use createAndAddDIE to wrap around "new DIE(". Now all shareable DIEs
should be added to their parents right after the creation.

Reviewed off-list by Eric, Thanks.

llvm-svn: 193657
This commit is contained in:
Manman Ren 2013-10-29 22:49:29 +00:00
parent 92012bba37
commit cc5f3ed483
11 changed files with 66 additions and 71 deletions
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27
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
View File

@ -826,34 +826,26 @@ DIE *CompileUnit::getOrCreateContextDIE(DIScope Context) {
return getDIE(Context);
}
/// addToContextOwner - Add Die into the list of its context owner's children.
void CompileUnit::addToContextOwner(DIE *Die, DIScope Context) {
assert(!Die->getParent());
if (DIE *ContextDIE = getOrCreateContextDIE(Context)) {
if (Die->getParent()) {
// While creating the context, if this is a type member, we will have
// added the child to the context already.
assert(Die->getParent() == ContextDIE);
return;
}
ContextDIE->addChild(Die);
} else
addDie(Die);
}
/// getOrCreateTypeDIE - Find existing DIE or create new DIE for the
/// given DIType.
DIE *CompileUnit::getOrCreateTypeDIE(const MDNode *TyNode) {
DIType Ty(TyNode);
if (!Ty.isType())
return NULL;
// Construct the context before querying for the existence of the DIE in case
// such construction creates the DIE.
DIE *ContextDIE = getOrCreateContextDIE(resolve(Ty.getContext()));
if (!ContextDIE)
ContextDIE = CUDie.get();
DIE *TyDIE = getDIE(Ty);
if (TyDIE)
return TyDIE;
// Create new type.
TyDIE = new DIE(Ty.getTag());
insertDIE(Ty, TyDIE);
TyDIE = createAndAddDIE(Ty.getTag(), *ContextDIE, Ty);
if (Ty.isBasicType())
constructTypeDIE(*TyDIE, DIBasicType(Ty));
else if (Ty.isCompositeType())
@ -876,7 +868,6 @@ DIE *CompileUnit::getOrCreateTypeDIE(const MDNode *TyNode) {
addAccelType(Ty.getName(), std::make_pair(TyDIE, Flags));
}
addToContextOwner(TyDIE, resolve(Ty.getContext()));
return TyDIE;
}

3
lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
View File

@ -280,9 +280,6 @@ public:
void addVariableAddress(const DbgVariable &DV, DIE *Die,
MachineLocation Location);
/// addToContextOwner - Add Die into the list of its context owner's children.
void addToContextOwner(DIE *Die, DIScope Context);
/// addType - Add a new type attribute to the specified entity. This takes
/// and attribute parameter because DW_AT_friend attributes are also
/// type references.

1
test/DebugInfo/X86/DW_AT_byte_size.ll
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@ -5,6 +5,7 @@
; CHECK: DW_TAG_pointer_type
; CHECK-NEXT: DW_AT_type
; CHECK-NOT: DW_AT_byte_size
; CHECK: DW_TAG
; CHECK: .debug_info contents
%struct.A = type { i32 }

2
test/DebugInfo/X86/debug-info-blocks.ll
View File

@ -26,7 +26,7 @@
; 0x23 = DW_OP_uconst
; 0x91 = DW_OP_fbreg
; CHECK: DW_AT_location{{.*}}91 {{[0-9]+}} 06 23 {{[0-9]+}} )
; CHECK: DW_TAG_structure_type
; CHECK: [[A:.*]]: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_APPLE_objc_complete_type
; CHECK-NEXT: DW_AT_name{{.*}}"A"

32
test/DebugInfo/X86/empty-and-one-elem-array.ll
View File

@ -28,37 +28,41 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
; An empty array should not have an AT_upper_bound attribute. But an array of 1
; should.
; CHECK: DW_TAG_base_type [5]
; CHECK: DW_TAG_base_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "int")
; CHECK-NEXT: DW_AT_encoding [DW_FORM_data1] (0x05)
; CHECK-NEXT: DW_AT_byte_size [DW_FORM_data1] (0x04)
; int[1]:
; CHECK: DW_TAG_array_type [7] *
; int foo::b[1]:
; CHECK: DW_TAG_structure_type
; CHECK: DW_AT_name{{.*}}"foo"
; CHECK: DW_TAG_member
; CHECK: DW_TAG_member
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "b")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; CHECK: DW_TAG_subrange_type [8]
; int[1]:
; CHECK: DW_TAG_array_type [{{.*}}] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; CHECK: DW_TAG_subrange_type [{{.*}}]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; CHECK-NEXT: DW_AT_upper_bound [DW_FORM_data1] (0x00)
; int foo::b[1]:
; CHECK: DW_TAG_member [10]
; CHECK: DW_TAG_member [10]
; int bar::b[0]:
; CHECK: DW_TAG_structure_type
; CHECK: DW_AT_name{{.*}}"bar"
; CHECK: DW_TAG_member
; CHECK: DW_TAG_member
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "b")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; int[0]:
; CHECK: DW_TAG_array_type [7] *
; CHECK: DW_TAG_array_type [{{.*}}] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; CHECK: DW_TAG_subrange_type [11]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
; CHECK-NOT: DW_AT_upper_bound
; int bar::b[0]:
; CHECK: DW_TAG_member [10]
; CHECK: DW_TAG_member [10]
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "b")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4]
!llvm.dbg.cu = !{!0}
!0 = metadata !{i32 786449, metadata !32, i32 12, metadata !"clang version 3.3 (trunk 169136)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ] [/Volumes/Sandbox/llvm/test.c] [DW_LANG_C99]

27
test/DebugInfo/X86/empty-array.ll
View File

@ -6,23 +6,24 @@
@a = global %class.A zeroinitializer, align 4
; CHECK: [[BASETYPE:0x[0-9a-f]*]]: DW_TAG_base_type
; CHECK: [[BASE2:0x[0-9a-f]*]]: DW_TAG_base_type
; CHECK: DW_TAG_class_type
; CHECK: DW_TAG_member
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "x")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[ARRAY:0x[0-9a-f]*]]})
; CHECK: [[ARRAY]]: DW_TAG_array_type [{{.*}}] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASETYPE:0x[0-9a-f]*]]})
; CHECK: DW_TAG_subrange_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASE2:0x[0-9a-f]*]]})
; CHECK-NOT: DW_AT_upper_bound
; CHECK: [[BASETYPE]]: DW_TAG_base_type
; CHECK: [[BASE2]]: DW_TAG_base_type
; CHECK-NEXT: DW_AT_name
; CHECK-NEXT: DW_AT_byte_size [DW_FORM_data1] (0x04)
; CHECK-NEXT: DW_AT_encoding [DW_FORM_data1] (0x05)
; CHECK: [[ARRAY:0x[0-9a-f]*]]: DW_TAG_array_type [{{.*}}] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASETYPE]]})
; CHECK: DW_TAG_subrange_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASE2]]})
; CHECK-NOT: DW_AT_upper_bound
; CHECK: DW_TAG_member
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "x")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[ARRAY]]})
!llvm.dbg.cu = !{!0}
!0 = metadata !{i32 786449, metadata !20, i32 4, metadata !"clang version 3.3 (trunk 169136)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !1, metadata !3, metadata !3, metadata !""} ; [ DW_TAG_compile_unit ] [/Volumes/Sandbox/llvm/t.cpp] [DW_LANG_C_plus_plus]

6
test/DebugInfo/X86/gnu-public-names.ll
View File

@ -48,9 +48,6 @@
; CHECK: DW_AT_GNU_pubnames [DW_FORM_sec_offset] (0x00000000)
; CHECK: DW_AT_GNU_pubtypes [DW_FORM_sec_offset] (0x00000000)
; CHECK: [[INT:[0-9a-f]+]]: DW_TAG_base_type
; CHECK-NEXT: DW_AT_name {{.*}} "int"
; CHECK: [[C:[0-9a-f]+]]: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name {{.*}} "C"
@ -65,6 +62,9 @@
; CHECK-NEXT: DW_AT_MIPS_linkage_name
; CHECK-NEXT: DW_AT_name {{.*}} "static_member_function"
; CHECK: [[INT:[0-9a-f]+]]: DW_TAG_base_type
; CHECK-NEXT: DW_AT_name {{.*}} "int"
; CHECK: [[STATIC_MEM_VAR:[0-9a-f]+]]: DW_TAG_variable
; CHECK-NEXT: DW_AT_specification {{.*}}[[STATIC_MEM_DECL]]

23
test/DebugInfo/X86/nondefault-subrange-array.ll
View File

@ -8,23 +8,24 @@
; Check that we can handle non-default array bounds. In this case, the array
; goes from [-3, 38].
; CHECK: [[BASE:0x[0-9a-f]*]]: DW_TAG_base_type
; CHECK: [[BASE2:0x[0-9a-f]*]]: DW_TAG_base_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "int")
; CHECK-NEXT: DW_AT_byte_size [DW_FORM_data1] (0x04)
; CHECK-NEXT: DW_AT_encoding [DW_FORM_data1] (0x05)
; CHECK: DW_TAG_class_type
; CHECK: DW_TAG_member
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "x")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[ARRAY:0x[0-9a-f]*]]})
; CHECK: [[ARRAY:0x[0-9a-f]*]]: DW_TAG_array_type [{{.*}}] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASE]]})
; CHECK: [[ARRAY]]: DW_TAG_array_type [{{.*}}] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASE:0x[0-9a-f]*]]})
; CHECK: DW_TAG_subrange_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASE2]]})
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASE2:0x[0-9a-f]*]]})
; CHECK-NEXT: DW_AT_lower_bound [DW_FORM_data8] (0xfffffffffffffffd)
; CHECK-NEXT: DW_AT_upper_bound [DW_FORM_data1] (0x26)
; CHECK: DW_TAG_member
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "x")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[ARRAY]]})
; CHECK: [[BASE]]: DW_TAG_base_type
; CHECK: [[BASE2]]: DW_TAG_base_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "int")
; CHECK-NEXT: DW_AT_byte_size [DW_FORM_data1] (0x04)
; CHECK-NEXT: DW_AT_encoding [DW_FORM_data1] (0x05)
!llvm.dbg.cu = !{!0}

6
test/DebugInfo/X86/subrange-type.ll
View File

@ -2,10 +2,10 @@
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; Make sure that the base type from the subrange type has a name.
; CHECK: 0x0000006b: DW_TAG_base_type [6]
; CHECK: DW_TAG_subrange_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]+}} => {[[SUBTYPE:0x[0-9a-f]*]]})
; CHECK: [[SUBTYPE]]: DW_TAG_base_type
; CHECK-NEXT: DW_AT_name
; CHECK: DW_TAG_subrange_type [8]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x006b => {0x0000006b})
define i32 @main() nounwind uwtable {
entry:

6
test/DebugInfo/member-pointers.ll
View File

@ -4,12 +4,12 @@
; RUN: llc -filetype=obj -O0 < %s > %t
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; CHECK: DW_TAG_ptr_to_member_type
; CHECK: [[TYPE:.*]]: DW_TAG_subroutine_type
; CHECK: DW_TAG_ptr_to_member_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE:0x[0-9a-f]+]]})
; CHECK: [[TYPE]]: DW_TAG_subroutine_type
; CHECK: DW_TAG_formal_parameter
; CHECK-NEXT: DW_AT_type
; CHECK-NEXT: DW_AT_artificial [DW_FORM_flag
; CHECK: DW_TAG_ptr_to_member_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
; IR generated from clang -g with the following source:
; struct S {
; };

4
test/DebugInfo/tu-member-pointer.ll
View File

@ -2,9 +2,9 @@
; RUN: llc -filetype=obj -O0 < %s > %t
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; CHECK: [[TYPE:.*]]: DW_TAG_base_type
; CHECK: DW_TAG_ptr_to_member_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE:0x[0-9a-f]+]]})
; CHECK: [[TYPE]]: DW_TAG_base_type
; IR generated from clang -g with the following source:
; struct Foo {
; int e;