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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.

This touches creation of namespaces and global variables. The purpose is to
handle all DIE creations similarly: constructs the context first, then creates
the DIE and immediately adds the DIE to its parent.

We use createAndAddDIE to wrap around "new DIE(".


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193589 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren 2013-10-29 05:49:41 +00:00
parent b4e591a4a6
commit 6b713800ff
13 changed files with 66 additions and 54 deletions
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24
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
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@ -1327,11 +1327,19 @@ CompileUnit::constructTemplateValueParameterDIE(DIE &Buffer,
/// getOrCreateNameSpace - Create a DIE for DINameSpace.
DIE *CompileUnit::getOrCreateNameSpace(DINameSpace NS) {
// Construct the context before querying for the existence of the DIE in case
// such construction creates the DIE.
DIE *ContextDIE = getOrCreateContextDIE(NS.getContext());
if (!ContextDIE)
// If the context is null, DIE should belong to the CU we call construct
// function on.
ContextDIE = CUDie.get();
DIE *NDie = getDIE(NS);
if (NDie)
return NDie;
NDie = new DIE(dwarf::DW_TAG_namespace);
insertDIE(NS, NDie);
NDie = createAndAddDIE(dwarf::DW_TAG_namespace, *ContextDIE, NS);
if (!NS.getName().empty()) {
addString(NDie, dwarf::DW_AT_name, NS.getName());
addAccelNamespace(NS.getName(), NDie);
@ -1339,7 +1347,6 @@ DIE *CompileUnit::getOrCreateNameSpace(DINameSpace NS) {
} else
addAccelNamespace("(anonymous namespace)", NDie);
addSourceLine(NDie, NS);
addToContextOwner(NDie, NS.getContext());
return NDie;
}
@ -1506,9 +1513,14 @@ void CompileUnit::createGlobalVariableDIE(const MDNode *N) {
// If this is not a static data member definition, create the variable
// DIE and add the initial set of attributes to it.
if (!VariableDIE) {
VariableDIE = new DIE(GV.getTag());
// Construct the context before querying for the existence of the DIE in
// case such construction creates the DIE.
DIE *ContextDIE = getOrCreateContextDIE(GVContext);
if (!ContextDIE)
ContextDIE = CUDie.get();
// Add to map.
insertDIE(N, VariableDIE);
VariableDIE = createAndAddDIE(GV.getTag(), *ContextDIE, N);
// Add name and type.
addString(VariableDIE, dwarf::DW_AT_name, GV.getDisplayName());
@ -1520,8 +1532,6 @@ void CompileUnit::createGlobalVariableDIE(const MDNode *N) {
// Add line number info.
addSourceLine(VariableDIE, GV);
// Add to context owner.
addToContextOwner(VariableDIE, GVContext);
}
// Add location.

4
test/DebugInfo/X86/2010-08-10-DbgConstant.ll
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@ -1,7 +1,7 @@
; RUN: llc -mtriple=i686-linux -O0 -filetype=obj -o %t %s
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; CHECK: DW_TAG_constant [4]
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000002c] = "ro")
; CHECK: DW_TAG_constant
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "ro")
define void @foo() nounwind ssp {
entry:

8
test/DebugInfo/X86/2011-09-26-GlobalVarContext.ll
View File

@ -37,13 +37,13 @@ declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
!19 = metadata !{i32 5, i32 5, metadata !16, null}
!20 = metadata !{metadata !"test.c", metadata !"/work/llvm/vanilla/test/DebugInfo"}
; CHECK: DW_TAG_variable [3]
; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000043] = "GLB")
; CHECK: DW_TAG_variable
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "GLB")
; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01)
; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x01)
; CHECK: DW_TAG_variable [6]
; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000004d] = "LOC")
; CHECK: DW_TAG_variable
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x{{[0-9a-f]*}}] = "LOC")
; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01)
; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x04)

6
test/DebugInfo/X86/DW_TAG_friend.ll
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@ -3,10 +3,10 @@
; Check that the friend tag is there and is followed by a DW_AT_friend that has a reference back.
; CHECK: [[BACK:0x[0-9a-f]*]]: DW_TAG_class_type [4]
; CHECK: [[BACK:0x[0-9a-f]*]]: DW_TAG_class_type
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "A")
; CHECK: DW_TAG_friend [9]
; CHECK-NEXT: DW_AT_friend [DW_FORM_ref4] (cu + 0x0032 => {[[BACK]]})
; CHECK: DW_TAG_friend
; CHECK-NEXT: DW_AT_friend [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BACK]]})
%class.A = type { i32 }

17
test/DebugInfo/X86/empty-array.ll
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@ -6,21 +6,22 @@
@a = global %class.A zeroinitializer, align 4
; CHECK: 0x0000002d: DW_TAG_base_type [3]
; CHECK: [[BASETYPE:0x[0-9a-f]*]]: DW_TAG_base_type
; CHECK: [[BASE2:0x[0-9a-f]*]]: 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: 0x00000034: DW_TAG_array_type [4] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0026 => {0x00000026})
; 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: 0x00000039: DW_TAG_subrange_type [5]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x002d => {0x0000002d})
; 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 [8]
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000003f] = "x")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0034 => {0x00000034})
; 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}

4
test/DebugInfo/X86/enum-class.ll
View File

@ -28,12 +28,12 @@
!21 = metadata !{i32 786484, i32 0, null, metadata !"c", metadata !"c", metadata !"", metadata !4, i32 6, metadata !12, i32 0, i32 1, i32* @c, null} ; [ DW_TAG_variable ]
!22 = metadata !{metadata !"foo.cpp", metadata !"/Users/echristo/tmp"}
; CHECK: DW_TAG_enumeration_type [3]
; CHECK: DW_TAG_enumeration_type [{{.*}}]
; CHECK: DW_AT_type [DW_FORM_ref4]
; CHECK: DW_AT_enum_class [DW_FORM_flag_present] (true)
; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "A")
; CHECK: DW_TAG_enumeration_type [3] *
; CHECK: DW_TAG_enumeration_type [{{.*}}] *
; CHECK: DW_AT_type [DW_FORM_ref4]
; CHECK: DW_AT_enum_class [DW_FORM_flag_present] (true)
; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "B")

18
test/DebugInfo/X86/fission-cu.ll
View File

@ -54,12 +54,7 @@
; CHECK-NOT: DW_AT_comp_dir
; CHECK: DW_AT_GNU_dwo_id DW_FORM_data8
; CHECK: [2] DW_TAG_base_type DW_CHILDREN_no
; CHECK: DW_AT_name DW_FORM_GNU_str_index
; CHECK: DW_AT_encoding DW_FORM_data1
; CHECK: DW_AT_byte_size DW_FORM_data1
; CHECK: [3] DW_TAG_variable DW_CHILDREN_no
; CHECK: [2] DW_TAG_variable DW_CHILDREN_no
; CHECK: DW_AT_name DW_FORM_GNU_str_index
; CHECK: DW_AT_type DW_FORM_ref4
; CHECK: DW_AT_external DW_FORM_flag_present
@ -67,6 +62,11 @@
; CHECK: DW_AT_decl_line DW_FORM_data1
; CHECK: DW_AT_location DW_FORM_block1
; CHECK: [3] DW_TAG_base_type DW_CHILDREN_no
; CHECK: DW_AT_name DW_FORM_GNU_str_index
; CHECK: DW_AT_encoding DW_FORM_data1
; CHECK: DW_AT_byte_size DW_FORM_data1
; Check that the rest of the compile units have information.
; CHECK: .debug_info.dwo contents:
; CHECK: DW_TAG_compile_unit
@ -77,15 +77,15 @@
; CHECK-NOT: DW_AT_stmt_list
; CHECK-NOT: DW_AT_comp_dir
; CHECK: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x0000000000000000)
; CHECK: DW_TAG_base_type
; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000003) string = "int")
; CHECK: DW_TAG_variable
; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000002) string = "a")
; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x0018 => {0x00000018})
; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[TYPE:0x[0-9a-f]*]]})
; CHECK: DW_AT_external [DW_FORM_flag_present] (true)
; CHECK: DW_AT_decl_file [DW_FORM_data1] (0x01)
; CHECK: DW_AT_decl_line [DW_FORM_data1] (0x01)
; CHECK: DW_AT_location [DW_FORM_block1] (<0x02> fb 00 )
; CHECK: [[TYPE]]: DW_TAG_base_type
; CHECK: DW_AT_name [DW_FORM_GNU_str_index] ( indexed (00000003) string = "int")
; CHECK: .debug_str.dwo contents:

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

@ -77,12 +77,12 @@
; CHECK: [[GLOB_NS_VAR_DECL:[0-9a-f]+]]: DW_TAG_variable
; CHECK-NEXT: DW_AT_name {{.*}} "global_namespace_variable"
; CHECK: [[D:[0-9a-f]+]]: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name {{.*}} "D"
; CHECK: [[D_VAR_DECL:[0-9a-f]+]]: DW_TAG_variable
; CHECK-NEXT: DW_AT_name {{.*}} "d"
; CHECK: [[D:[0-9a-f]+]]: DW_TAG_structure_type
; CHECK-NEXT: DW_AT_name {{.*}} "D"
; CHECK: [[GLOB_NS_FUNC:[0-9a-f]+]]: DW_TAG_subprogram
; CHECK-NEXT: DW_AT_MIPS_linkage_name
; CHECK-NEXT: DW_AT_name {{.*}} "global_namespace_function"

19
test/DebugInfo/X86/nondefault-subrange-array.ll
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@ -8,22 +8,23 @@
; Check that we can handle non-default array bounds. In this case, the array
; goes from [-3, 38].
; CHECK: 0x0000002d: DW_TAG_base_type [3]
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000041] = "int")
; 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: 0x00000034: DW_TAG_array_type [4] *
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0026 => {0x00000026})
; 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: 0x00000039: DW_TAG_subrange_type [5]
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x002d => {0x0000002d})
; CHECK: DW_TAG_subrange_type
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x{{[0-9a-f]*}} => {[[BASE2]]})
; CHECK-NEXT: DW_AT_lower_bound [DW_FORM_data8] (0xfffffffffffffffd)
; CHECK-NEXT: DW_AT_upper_bound [DW_FORM_data1] (0x26)
; CHECK: 0x00000055: DW_TAG_member [8]
; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000003f] = "x")
; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + 0x0034 => {0x00000034})
; 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}

2
test/DebugInfo/X86/objc-fwd-decl.ll
View File

@ -1,7 +1,7 @@
; RUN: llc -mtriple=x86_64-macosx %s -o %t -filetype=obj
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; CHECK: 0x00000027: DW_TAG_structure_type
; CHECK: DW_TAG_structure_type
; CHECK: DW_AT_declaration
; CHECK: DW_AT_APPLE_runtime_class

8
test/DebugInfo/X86/stringpool.ll
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@ -21,7 +21,7 @@
; Verify that we refer to 'yyyy' with a relocation.
; LINUX: .long .Linfo_string3 # DW_AT_name
; LINUX-NEXT: .long 38 # DW_AT_type
; LINUX-NEXT: .long {{[0-9]+}} # DW_AT_type
; LINUX-NEXT: # DW_AT_external
; LINUX-NEXT: .byte 1 # DW_AT_decl_file
; LINUX-NEXT: .byte 1 # DW_AT_decl_line
@ -30,9 +30,9 @@
; LINUX-NEXT: .quad yyyy
; Verify that we refer to 'yyyy' without a relocation.
; DARWIN: Lset5 = Linfo_string3-Linfo_string ## DW_AT_name
; DARWIN-NEXT: .long Lset5
; DARWIN-NEXT: .long 38 ## DW_AT_type
; DARWIN: Lset[[ID:[0-9]+]] = Linfo_string3-Linfo_string ## DW_AT_name
; DARWIN-NEXT: .long Lset[[ID]]
; DARWIN-NEXT: .long {{[0-9]+}} ## DW_AT_type
; DARWIN-NEXT: ## DW_AT_external
; DARWIN-NEXT: .byte 1 ## DW_AT_decl_file
; DARWIN-NEXT: .byte 1 ## DW_AT_decl_line

2
test/DebugInfo/X86/struct-loc.ll
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@ -2,7 +2,7 @@
; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
; Make sure that structures have a decl file and decl line attached.
; CHECK: DW_TAG_structure_type [3]
; CHECK: DW_TAG_structure_type
; CHECK: DW_AT_decl_file
; CHECK: DW_AT_decl_line
; CHECK: DW_TAG_member

2
test/DebugInfo/template-recursive-void.ll
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@ -13,7 +13,7 @@
; class bar : public foo<void> { };
; bar filters;
; CHECK: DW_TAG_template_type_parameter [10]
; CHECK: DW_TAG_template_type_parameter [{{.*}}]
; CHECK-NEXT: DW_AT_name{{.*}}"T"
; CHECK-NOT: DW_AT_type
; CHECK: NULL