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Support artificial parameters in function types.

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Provides the functionality for Clang change r172911 - I just had this still
lying around.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173820 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie 2013-01-29 19:35:24 +00:00
parent 9c3846c99c
commit aaf2e639ec
2 changed files with 11 additions and 3 deletions
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2
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
View File

@ -913,6 +913,8 @@ void CompileUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
} else {
DIE *Arg = new DIE(dwarf::DW_TAG_formal_parameter);
addType(Arg, DIType(Ty));
if (DIType(Ty).isArtificial())
addFlag(Arg, dwarf::DW_AT_artificial);
Buffer.addChild(Arg);
}
}

12
test/DebugInfo/member-pointers.ll
View File

@ -1,7 +1,12 @@
; 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_formal_parameter
; CHECK-NEXT: DW_AT_type
; CHECK-NEXT: DW_AT_artificial [DW_FORM_flag_present]
; 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 {
; };
@ -19,12 +24,13 @@
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5, metadata !10}
!5 = metadata !{i32 786484, i32 0, null, metadata !"x", metadata !"x", metadata !"", metadata !6, i32 2, metadata !7, i32 0, i32 1, i64* @x} ; [ DW_TAG_variable ] [x] [line 2] [def]
!5 = metadata !{i32 786484, i32 0, null, metadata !"x", metadata !"x", metadata !"", metadata !6, i32 4, metadata !7, i32 0, i32 1, i64* @x, null} ; [ DW_TAG_variable ] [x] [line 4] [def]
!6 = metadata !{i32 786473, metadata !"simple.cpp", metadata !"/home/blaikie/Development/scratch", null} ; [ DW_TAG_file_type ]
!7 = metadata !{i32 786463, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !8, metadata !9} ; [ DW_TAG_ptr_to_member_type ] [line 0, size 0, align 0, offset 0] [from int]
!8 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!9 = metadata !{i32 786451, null, metadata !"S", metadata !6, i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null} ; [ DW_TAG_structure_type ] [S] [line 1, size 8, align 8, offset 0] [from ]
!10 = metadata !{i32 786484, i32 0, null, metadata !"y", metadata !"y", metadata !"", metadata !6, i32 3, metadata !11, i32 0, i32 1, { i64, i64 }* @y} ; [ DW_TAG_variable ] [y] [line 3] [def]
!10 = metadata !{i32 786484, i32 0, null, metadata !"y", metadata !"y", metadata !"", metadata !6, i32 5, metadata !11, i32 0, i32 1, { i64, i64 }* @y, null} ; [ DW_TAG_variable ] [y] [line 5] [def]
!11 = metadata !{i32 786463, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !12, metadata !9} ; [ DW_TAG_ptr_to_member_type ] [line 0, size 0, align 0, offset 0] [from ]
!12 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !13, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
!13 = metadata !{null, metadata !8}
!13 = metadata !{null, metadata !14, metadata !8}
!14 = metadata !{i32 786447, i32 0, metadata !"", i32 0, i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !9} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from S]