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Add support for C++11 enum classes in llvm.

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Part of rdar://11496790

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157303 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2012-05-23 00:09:20 +00:00
parent 2f0a748452
commit bb0f6eac1f
4 changed files with 55 additions and 4 deletions
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4
include/llvm/Analysis/DIBuilder.h
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@ -331,8 +331,8 @@ namespace llvm {
/// @param Elements Enumeration elements.
DIType createEnumerationType(DIDescriptor Scope, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits,
uint64_t AlignInBits, DIArray Elements);
uint64_t SizeInBits, uint64_t AlignInBits,
DIArray Elements, DIType ClassType);
/// createSubroutineType - Create subroutine type.
/// @param File File in which this subroutine is defined.

5
lib/Analysis/DIBuilder.cpp
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@ -548,7 +548,8 @@ DIType DIBuilder::createEnumerationType(DIDescriptor Scope, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits,
uint64_t AlignInBits,
DIArray Elements) {
DIArray Elements,
DIType ClassType) {
// TAG_enumeration_type is encoded in DICompositeType format.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type),
@ -560,7 +561,7 @@ DIType DIBuilder::createEnumerationType(DIDescriptor Scope, StringRef Name,
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
NULL,
ClassType,
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),

5
lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
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@ -776,6 +776,11 @@ void CompileUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
Buffer.addChild(ElemDie);
}
}
DIType DTy = CTy.getTypeDerivedFrom();
if (DTy.Verify()) {
addType(&Buffer, DTy);
addUInt(&Buffer, dwarf::DW_AT_enum_class, dwarf::DW_FORM_flag, 1);
}
}
break;
case dwarf::DW_TAG_subroutine_type: {

45
test/DebugInfo/X86/enum-class.ll Normal file
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@ -0,0 +1,45 @@
; RUN: llc -O0 -mtriple=x86_64-apple-darwin %s -o %t -filetype=obj
; RUN: llvm-dwarfdump %t | FileCheck %s
@a = global i32 0, align 4
@b = global i64 0, align 8
@c = global i32 0, align 4
!llvm.dbg.cu = !{!0}
!0 = metadata !{i32 786449, i32 0, i32 4, metadata !"foo.cpp", metadata !"/Users/echristo/tmp", metadata !"clang version 3.2 (trunk 157269) (llvm/trunk 157264)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !15, metadata !15, metadata !17} ; [ DW_TAG_compile_unit ]
!1 = metadata !{metadata !2}
!2 = metadata !{metadata !3, metadata !8, metadata !12}
!3 = metadata !{i32 786436, null, metadata !"A", metadata !4, i32 1, i64 32, i64 32, i32 0, i32 0, metadata !5, metadata !6, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
!4 = metadata !{i32 786473, metadata !"foo.cpp", metadata !"/Users/echristo/tmp", null} ; [ DW_TAG_file_type ]
!5 = metadata !{i32 786468, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!6 = metadata !{metadata !7}
!7 = metadata !{i32 786472, metadata !"A1", i64 1} ; [ DW_TAG_enumerator ]
!8 = metadata !{i32 786436, null, metadata !"B", metadata !4, i32 2, i64 64, i64 64, i32 0, i32 0, metadata !9, metadata !10, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
!9 = metadata !{i32 786468, null, metadata !"long unsigned int", null, i32 0, i64 64, i64 64, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ]
!10 = metadata !{metadata !11}
!11 = metadata !{i32 786472, metadata !"B1", i64 1} ; [ DW_TAG_enumerator ]
!12 = metadata !{i32 786436, null, metadata !"C", metadata !4, i32 3, i64 32, i64 32, i32 0, i32 0, null, metadata !13, i32 0, i32 0} ; [ DW_TAG_enumeration_type ]
!13 = metadata !{metadata !14}
!14 = metadata !{i32 786472, metadata !"C1", i64 1} ; [ DW_TAG_enumerator ]
!15 = metadata !{metadata !16}
!16 = metadata !{i32 0}
!17 = metadata !{metadata !18}
!18 = metadata !{metadata !19, metadata !20, metadata !21}
!19 = metadata !{i32 786484, i32 0, null, metadata !"a", metadata !"a", metadata !"", metadata !4, i32 4, metadata !3, i32 0, i32 1, i32* @a} ; [ DW_TAG_variable ]
!20 = metadata !{i32 786484, i32 0, null, metadata !"b", metadata !"b", metadata !"", metadata !4, i32 5, metadata !8, i32 0, i32 1, i64* @b} ; [ DW_TAG_variable ]
!21 = metadata !{i32 786484, i32 0, null, metadata !"c", metadata !"c", metadata !"", metadata !4, i32 6, metadata !12, i32 0, i32 1, i32* @c} ; [ DW_TAG_variable ]
; CHECK: DW_TAG_enumeration_type [3]
; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x0026 => {0x00000026})
; CHECK: DW_AT_enum_class [DW_FORM_flag] (0x01)
; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "A")
; CHECK: DW_TAG_enumeration_type [3] *
; CHECK: DW_AT_type [DW_FORM_ref4] (cu + 0x0057 => {0x00000057})
; CHECK: DW_AT_enum_class [DW_FORM_flag] (0x01)
; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "B")
; CHECK: DW_TAG_enumeration_type [6]
; CHECK-NOT: DW_AT_enum_class
; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[{{.*}}] = "C")