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Temporarily revert r191792 as it is causing some LTO debug failures

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on platforms with relocations in debug info and also temporarily
revert r191800 due to conflicts with the revert of r191792.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191967 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2013-10-04 17:08:38 +00:00
parent 0bb5a66b03
commit 3f045005bf
13 changed files with 114 additions and 402 deletions
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56
lib/CodeGen/AsmPrinter/DwarfDebug.h
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@@ -150,12 +150,11 @@ class DbgVariable {
DbgVariable *AbsVar; // Corresponding Abstract variable, if any.
const MachineInstr *MInsn; // DBG_VALUE instruction of the variable.
int FrameIndex;
DwarfDebug *DD;
public:
// AbsVar may be NULL.
DbgVariable(DIVariable V, DbgVariable *AV, DwarfDebug *DD)
DbgVariable(DIVariable V, DbgVariable *AV)
: Var(V), TheDIE(0), DotDebugLocOffset(~0U), AbsVar(AV), MInsn(0),
FrameIndex(~0), DD(DD) {}
FrameIndex(~0) {}
// Accessors.
DIVariable getVariable() const { return Var; }
@@ -328,30 +327,6 @@ class DwarfDebug {
// Maps subprogram MDNode with its corresponding CompileUnit.
DenseMap <const MDNode *, CompileUnit *> SPMap;
/// Maps type MDNode with its corresponding DIE. These DIEs can be
/// shared across CUs, that is why we keep the map here instead
/// of in CompileUnit.
DenseMap<const MDNode *, DIE *> MDTypeNodeToDieMap;
/// Maps subprogram MDNode with its corresponding DIE.
DenseMap<const MDNode *, DIE *> MDSPNodeToDieMap;
/// Maps static member MDNode with its corresponding DIE.
DenseMap<const MDNode *, DIE *> MDStaticMemberNodeToDieMap;
/// Specifies a worklist item. Sometimes, when we try to add an attribute to
/// a DIE, the DIE is not yet added to its owner yet, so we don't know whether
/// we should use ref_addr or ref4. We create a worklist that will be
/// processed during finalization to add attributes with the correct form
/// (ref_addr or ref4).
struct DIEEntryWorkItem {
DIE *Die;
uint16_t Attribute;
DIEEntry *Entry;
DIEEntryWorkItem(DIE *D, uint16_t A, DIEEntry *E) :
Die(D), Attribute(A), Entry(E) {
}
};
SmallVector<DIEEntryWorkItem, 64> DIEEntryWorklist;
// Used to uniquely define abbreviations.
FoldingSet<DIEAbbrev> AbbreviationsSet;
@@ -686,28 +661,6 @@ public:
DwarfDebug(AsmPrinter *A, Module *M);
~DwarfDebug();
void insertTypeDIE(const MDNode *TypeMD, DIE *Die) {
MDTypeNodeToDieMap.insert(std::make_pair(TypeMD, Die));
}
DIE *getTypeDIE(const MDNode *TypeMD) {
return MDTypeNodeToDieMap.lookup(TypeMD);
}
void insertSPDIE(const MDNode *SPMD, DIE *Die) {
MDSPNodeToDieMap.insert(std::make_pair(SPMD, Die));
}
DIE *getSPDIE(const MDNode *SPMD) {
return MDSPNodeToDieMap.lookup(SPMD);
}
void insertStaticMemberDIE(const MDNode *StaticMD, DIE *Die) {
MDStaticMemberNodeToDieMap.insert(std::make_pair(StaticMD, Die));
}
DIE *getStaticMemberDIE(const MDNode *StaticMD) {
return MDStaticMemberNodeToDieMap.lookup(StaticMD);
}
void insertDIEEntryWorklist(DIE *Die, uint16_t Attribute, DIEEntry *Entry) {
DIEEntryWorklist.push_back(DIEEntryWorkItem(Die, Attribute, Entry));
}
/// \brief Emit all Dwarf sections that should come prior to the
/// content.
void beginModule();
@@ -770,11 +723,6 @@ public:
return Ref.resolve(TypeIdentifierMap);
}
/// When we don't know whether the correct form is ref4 or ref_addr, we create
/// a worklist item and insert it to DIEEntryWorklist.
void addDIEEntry(DIE *Die, uint16_t Attribute, uint16_t Form,
DIEEntry *Entry);
/// isSubprogramContext - Return true if Context is either a subprogram
/// or another context nested inside a subprogram.
bool isSubprogramContext(const MDNode *Context);