mirror of
https://github.com/RPCS3/llvm.git
synced 2024-11-24 20:30:06 +00:00
Do not emit specification DIE with DW_AT_specification attribute for member functions of a funcation local class. This trips gdb's partial scan of DIEs at load time. Fixes Radar 7833483.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100586 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
parent
e7b744fe64
commit
5f0940002a
@ -1332,6 +1332,19 @@ DbgScope *DwarfDebug::getOrCreateAbstractScope(MDNode *N) {
|
||||
return AScope;
|
||||
}
|
||||
|
||||
/// isSubprogramContext - Return true if Context is either a subprogram
|
||||
/// or another context nested inside a subprogram.
|
||||
bool isSubprogramContext(MDNode *Context) {
|
||||
if (!Context)
|
||||
return false;
|
||||
DIDescriptor D(Context);
|
||||
if (D.isSubprogram())
|
||||
return true;
|
||||
if (D.isType())
|
||||
return isSubprogramContext(DIType(Context).getContext().getNode());
|
||||
return false;
|
||||
}
|
||||
|
||||
/// updateSubprogramScopeDIE - Find DIE for the given subprogram and
|
||||
/// attach appropriate DW_AT_low_pc and DW_AT_high_pc attributes.
|
||||
/// If there are global variables in this scope then create and insert
|
||||
@ -1347,7 +1360,8 @@ DIE *DwarfDebug::updateSubprogramScopeDIE(MDNode *SPNode) {
|
||||
// expect specification DIE in parent function. So avoid creating
|
||||
// specification DIE for a function defined inside a function.
|
||||
if (SP.isDefinition() && !SP.getContext().isCompileUnit() &&
|
||||
!SP.getContext().isFile() && !SP.getContext().isSubprogram()) {
|
||||
!SP.getContext().isFile() &&
|
||||
!isSubprogramContext(SP.getContext().getNode())) {
|
||||
addUInt(SPDie, dwarf::DW_AT_declaration, dwarf::DW_FORM_flag, 1);
|
||||
|
||||
// Add arguments.
|
||||
@ -1766,7 +1780,8 @@ void DwarfDebug::constructGlobalVariableDIE(MDNode *N) {
|
||||
// Do not create specification DIE if context is either compile unit
|
||||
// or a subprogram.
|
||||
if (DI_GV.isDefinition() && !GVContext.isCompileUnit() &&
|
||||
!GVContext.isFile() && !GVContext.isSubprogram()) {
|
||||
!GVContext.isFile() &&
|
||||
!isSubprogramContext(GVContext.getNode())) {
|
||||
// Create specification DIE.
|
||||
DIE *VariableSpecDIE = new DIE(dwarf::DW_TAG_variable);
|
||||
addDIEEntry(VariableSpecDIE, dwarf::DW_AT_specification,
|
||||
|
||||
89
test/DebugInfo/2010-04-06-NestedFnDbgInfo.ll
Normal file
89
test/DebugInfo/2010-04-06-NestedFnDbgInfo.ll
Normal file
@ -0,0 +1,89 @@
|
||||
; RUN: llvm-as < %s | llc -asm-verbose -O0 | grep AT_specification | count 2
|
||||
; Radar 7833483
|
||||
; Do not emit AT_specification for nested function foo.
|
||||
|
||||
%class.A = type { i8 }
|
||||
%class.B = type { i8 }
|
||||
|
||||
define i32 @main() ssp {
|
||||
entry:
|
||||
%retval = alloca i32, align 4 ; <i32*> [#uses=3]
|
||||
%b = alloca %class.A, align 1 ; <%class.A*> [#uses=1]
|
||||
store i32 0, i32* %retval
|
||||
call void @llvm.dbg.declare(metadata !{%class.A* %b}, metadata !0), !dbg !14
|
||||
%call = call i32 @_ZN1B2fnEv(%class.A* %b), !dbg !15 ; <i32> [#uses=1]
|
||||
store i32 %call, i32* %retval, !dbg !15
|
||||
%0 = load i32* %retval, !dbg !16 ; <i32> [#uses=1]
|
||||
ret i32 %0, !dbg !16
|
||||
}
|
||||
|
||||
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
|
||||
|
||||
define linkonce_odr i32 @_ZN1B2fnEv(%class.A* %this) ssp align 2 {
|
||||
entry:
|
||||
%retval = alloca i32, align 4 ; <i32*> [#uses=2]
|
||||
%this.addr = alloca %class.A*, align 8 ; <%class.A**> [#uses=2]
|
||||
%a = alloca %class.A, align 1 ; <%class.A*> [#uses=1]
|
||||
%i = alloca i32, align 4 ; <i32*> [#uses=2]
|
||||
store %class.A* %this, %class.A** %this.addr
|
||||
call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !17), !dbg !18
|
||||
%this1 = load %class.A** %this.addr ; <%class.A*> [#uses=0]
|
||||
call void @llvm.dbg.declare(metadata !{%class.A* %a}, metadata !19), !dbg !27
|
||||
call void @llvm.dbg.declare(metadata !{i32* %i}, metadata !28), !dbg !29
|
||||
%call = call i32 @_ZZN1B2fnEvEN1A3fooEv(%class.A* %a), !dbg !30 ; <i32> [#uses=1]
|
||||
store i32 %call, i32* %i, !dbg !30
|
||||
%tmp = load i32* %i, !dbg !31 ; <i32> [#uses=1]
|
||||
store i32 %tmp, i32* %retval, !dbg !31
|
||||
%0 = load i32* %retval, !dbg !32 ; <i32> [#uses=1]
|
||||
ret i32 %0, !dbg !32
|
||||
}
|
||||
|
||||
define internal i32 @_ZZN1B2fnEvEN1A3fooEv(%class.A* %this) ssp align 2 {
|
||||
entry:
|
||||
%retval = alloca i32, align 4 ; <i32*> [#uses=2]
|
||||
%this.addr = alloca %class.A*, align 8 ; <%class.A**> [#uses=2]
|
||||
store %class.A* %this, %class.A** %this.addr
|
||||
call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !33), !dbg !34
|
||||
%this1 = load %class.A** %this.addr ; <%class.A*> [#uses=0]
|
||||
store i32 42, i32* %retval, !dbg !35
|
||||
%0 = load i32* %retval, !dbg !35 ; <i32> [#uses=1]
|
||||
ret i32 %0, !dbg !35
|
||||
}
|
||||
|
||||
!0 = metadata !{i32 524544, metadata !1, metadata !"b", metadata !3, i32 16, metadata !8} ; [ DW_TAG_auto_variable ]
|
||||
!1 = metadata !{i32 524299, metadata !2, i32 15, i32 12} ; [ DW_TAG_lexical_block ]
|
||||
!2 = metadata !{i32 524334, i32 0, metadata !3, metadata !"main", metadata !"main", metadata !"main", metadata !3, i32 15, metadata !5, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
|
||||
!3 = metadata !{i32 524329, metadata !"one.cc", metadata !"/tmp", metadata !4} ; [ DW_TAG_file_type ]
|
||||
!4 = metadata !{i32 524305, i32 0, i32 4, metadata !"one.cc", metadata !"/tmp", metadata !"clang 1.5", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
|
||||
!5 = metadata !{i32 524309, metadata !3, metadata !"", metadata !3, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !6, i32 0, null} ; [ DW_TAG_subroutine_type ]
|
||||
!6 = metadata !{metadata !7}
|
||||
!7 = metadata !{i32 524324, metadata !3, metadata !"int", metadata !3, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
|
||||
!8 = metadata !{i32 524290, metadata !3, metadata !"B", metadata !3, i32 2, i64 8, i64 8, i64 0, i32 0, null, metadata !9, i32 0, null} ; [ DW_TAG_class_type ]
|
||||
!9 = metadata !{metadata !10}
|
||||
!10 = metadata !{i32 524334, i32 0, metadata !8, metadata !"fn", metadata !"fn", metadata !"_ZN1B2fnEv", metadata !3, i32 4, metadata !11, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
|
||||
!11 = metadata !{i32 524309, metadata !3, metadata !"", metadata !3, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null} ; [ DW_TAG_subroutine_type ]
|
||||
!12 = metadata !{metadata !7, metadata !13}
|
||||
!13 = metadata !{i32 524303, metadata !3, metadata !"", metadata !3, i32 0, i64 64, i64 64, i64 0, i32 64, metadata !8} ; [ DW_TAG_pointer_type ]
|
||||
!14 = metadata !{i32 16, i32 5, metadata !1, null}
|
||||
!15 = metadata !{i32 17, i32 3, metadata !1, null}
|
||||
!16 = metadata !{i32 18, i32 1, metadata !2, null}
|
||||
!17 = metadata !{i32 524545, metadata !10, metadata !"this", metadata !3, i32 4, metadata !13} ; [ DW_TAG_arg_variable ]
|
||||
!18 = metadata !{i32 4, i32 7, metadata !10, null}
|
||||
!19 = metadata !{i32 524544, metadata !20, metadata !"a", metadata !3, i32 9, metadata !21} ; [ DW_TAG_auto_variable ]
|
||||
!20 = metadata !{i32 524299, metadata !10, i32 4, i32 12} ; [ DW_TAG_lexical_block ]
|
||||
!21 = metadata !{i32 524290, metadata !10, metadata !"A", metadata !3, i32 5, i64 8, i64 8, i64 0, i32 0, null, metadata !22, i32 0, null} ; [ DW_TAG_class_type ]
|
||||
!22 = metadata !{metadata !23}
|
||||
!23 = metadata !{i32 524334, i32 0, metadata !21, metadata !"foo", metadata !"foo", metadata !"_ZZN1B2fnEvEN1A3fooEv", metadata !3, i32 7, metadata !24, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
|
||||
!24 = metadata !{i32 524309, metadata !3, metadata !"", metadata !3, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !25, i32 0, null} ; [ DW_TAG_subroutine_type ]
|
||||
!25 = metadata !{metadata !7, metadata !26}
|
||||
!26 = metadata !{i32 524303, metadata !3, metadata !"", metadata !3, i32 0, i64 64, i64 64, i64 0, i32 64, metadata !21} ; [ DW_TAG_pointer_type ]
|
||||
!27 = metadata !{i32 9, i32 7, metadata !20, null}
|
||||
!28 = metadata !{i32 524544, metadata !20, metadata !"i", metadata !3, i32 10, metadata !7} ; [ DW_TAG_auto_variable ]
|
||||
!29 = metadata !{i32 10, i32 9, metadata !20, null}
|
||||
!30 = metadata !{i32 10, i32 5, metadata !20, null}
|
||||
!31 = metadata !{i32 11, i32 5, metadata !20, null}
|
||||
!32 = metadata !{i32 12, i32 3, metadata !10, null}
|
||||
!33 = metadata !{i32 524545, metadata !23, metadata !"this", metadata !3, i32 7, metadata !26} ; [ DW_TAG_arg_variable ]
|
||||
!34 = metadata !{i32 7, i32 11, metadata !23, null}
|
||||
!35 = metadata !{i32 7, i32 19, metadata !36, null}
|
||||
!36 = metadata !{i32 524299, metadata !23, i32 7, i32 17} ; [ DW_TAG_lexical_block ]
|
||||
Loading…
Reference in New Issue
Block a user