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Make sure to generate the right kind of MDNode for enum forward declarations.

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PR14029, LLVM part.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165288 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman 2012-10-05 01:49:14 +00:00
parent 2a2947885a
commit ce3da6f1d5
3 changed files with 17 additions and 19 deletions
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7
include/llvm/DIBuilder.h
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@ -331,12 +331,10 @@ namespace llvm {
/// @param SizeInBits Member size.
/// @param AlignInBits Member alignment.
/// @param Elements Enumeration elements.
/// @param Flags Flags (e.g. forward decl)
DIType createEnumerationType(DIDescriptor Scope, StringRef Name,
DIFile File, unsigned LineNumber,
uint64_t SizeInBits, uint64_t AlignInBits,
DIArray Elements, DIType ClassType,
unsigned Flags);
DIArray Elements, DIType ClassType);
/// createSubroutineType - Create subroutine type.
/// @param File File in which this subroutine is defined.
@ -357,7 +355,8 @@ namespace llvm {
/// createForwardDecl - Create a temporary forward-declared type.
DIType createForwardDecl(unsigned Tag, StringRef Name, DIDescriptor Scope,
DIFile F, unsigned Line, unsigned RuntimeLang = 0);
DIFile F, unsigned Line, unsigned RuntimeLang = 0,
uint64_t SizeInBits = 0, uint64_t AlignInBits = 0);
/// retainType - Retain DIType in a module even if it is not referenced
/// through debug info anchors.

13
lib/VMCore/DIBuilder.cpp
View File

@ -550,7 +550,7 @@ DIType DIBuilder::createEnumerationType(DIDescriptor Scope, StringRef Name,
uint64_t SizeInBits,
uint64_t AlignInBits,
DIArray Elements,
DIType ClassType, unsigned Flags) {
DIType ClassType) {
// TAG_enumeration_type is encoded in DICompositeType format.
Value *Elts[] = {
GetTagConstant(VMContext, dwarf::DW_TAG_enumeration_type),
@ -561,7 +561,7 @@ DIType DIBuilder::createEnumerationType(DIDescriptor Scope, StringRef Name,
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ClassType,
Elements,
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
@ -706,7 +706,9 @@ DIType DIBuilder::createTemporaryType(DIFile F) {
/// can be RAUW'd if the full type is seen.
DIType DIBuilder::createForwardDecl(unsigned Tag, StringRef Name,
DIDescriptor Scope, DIFile F,
unsigned Line, unsigned RuntimeLang) {
unsigned Line, unsigned RuntimeLang,
uint64_t SizeInBits,
uint64_t AlignInBits) {
// Create a temporary MDNode.
Value *Elts[] = {
GetTagConstant(VMContext, Tag),
@ -714,9 +716,8 @@ DIType DIBuilder::createForwardDecl(unsigned Tag, StringRef Name,
MDString::get(VMContext, Name),
F,
ConstantInt::get(Type::getInt32Ty(VMContext), Line),
// To ease transition include sizes etc of 0.
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
ConstantInt::get(Type::getInt32Ty(VMContext), 0),
ConstantInt::get(Type::getInt32Ty(VMContext),
DIDescriptor::FlagFwdDecl),

16
test/DebugInfo/X86/enum-fwd-decl.ll
View File

@ -5,16 +5,14 @@
!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 157772) (llvm/trunk 157761)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !6, metadata !6, metadata !7} ; [ DW_TAG_compile_unit ]
!0 = metadata !{i32 786449, i32 0, i32 4, metadata !"foo.cpp", metadata !"/tmp", metadata !"clang version 3.2 (trunk 165274) (llvm/trunk 165272)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !1, metadata !3} ; [ DW_TAG_compile_unit ] [/tmp/foo.cpp] [DW_LANG_C_plus_plus]
!1 = metadata !{metadata !2}
!2 = metadata !{metadata !3}
!3 = metadata !{i32 786436, null, metadata !"E", metadata !4, i32 1, i64 16, i64 16, i32 0, i32 4, null, metadata !5, 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 0}
!6 = metadata !{metadata !5}
!7 = metadata !{metadata !8}
!8 = metadata !{metadata !9}
!9 = metadata !{i32 786484, i32 0, null, metadata !"e", metadata !"e", metadata !"", metadata !4, i32 2, metadata !3, i32 0, i32 1, i16* @e} ; [ DW_TAG_variable ]
!2 = metadata !{i32 0}
!3 = metadata !{metadata !4}
!4 = metadata !{metadata !5}
!5 = metadata !{i32 786484, i32 0, null, metadata !"e", metadata !"e", metadata !"", metadata !6, i32 2, metadata !7, i32 0, i32 1, i16* @e} ; [ DW_TAG_variable ] [e] [line 2] [def]
!6 = metadata !{i32 786473, metadata !"foo.cpp", metadata !"/tmp", null} ; [ DW_TAG_file_type ]
!7 = metadata !{i32 786436, null, metadata !"E", metadata !6, i32 1, i64 16, i64 16, i32 0, i32 4, null, null, i32 0} ; [ DW_TAG_enumeration_type ] [E] [line 1, size 16, align 16, offset 0] [fwd] [from ]
; CHECK: DW_TAG_enumeration_type
; CHECK-NEXT: DW_AT_name