From aaf2e639ecf2e5a1647e6d59ef53dc76da0a6102 Mon Sep 17 00:00:00 2001 From: David Blaikie Date: Tue, 29 Jan 2013 19:35:24 +0000 Subject: [PATCH] Support artificial parameters in function types. 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 --- lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp | 2 ++ test/DebugInfo/member-pointers.ll | 12 +++++++++--- 2 files changed, 11 insertions(+), 3 deletions(-) diff --git a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp index 2e4ed5d9d06..f0655e67847 100644 --- a/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp @@ -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); } } diff --git a/test/DebugInfo/member-pointers.ll b/test/DebugInfo/member-pointers.ll index c535d30ecde..bea7596ee55 100644 --- a/test/DebugInfo/member-pointers.ll +++ b/test/DebugInfo/member-pointers.ll @@ -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]