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Remove the intermediate AccelTypes maps in DWARF units.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207060 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-04-24 01:23:49 +00:00
parent e33575f577
commit a0d6bcc183
5 changed files with 23 additions and 37 deletions
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31
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@@ -164,6 +164,11 @@ DIType DbgVariable::getType() const {
return Ty;
}
static LLVM_CONSTEXPR DwarfAccelTable::Atom TypeAtoms[] = {
DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset, dwarf::DW_FORM_data4),
DwarfAccelTable::Atom(dwarf::DW_ATOM_die_tag, dwarf::DW_FORM_data2),
DwarfAccelTable::Atom(dwarf::DW_ATOM_type_flags, dwarf::DW_FORM_data1)};
DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
: Asm(A), MMI(Asm->MMI), FirstCU(0), PrevLabel(NULL), GlobalRangeCount(0),
InfoHolder(A, "info_string", DIEValueAllocator),
@@ -174,7 +179,8 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
AccelObjC(DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset,
dwarf::DW_FORM_data4)),
AccelNamespace(DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset,
dwarf::DW_FORM_data4)) {
dwarf::DW_FORM_data4)),
AccelTypes(TypeAtoms) {
DwarfInfoSectionSym = DwarfAbbrevSectionSym = DwarfStrSectionSym = 0;
DwarfDebugRangeSectionSym = DwarfDebugLocSectionSym = DwarfLineSectionSym = 0;
@@ -1899,27 +1905,15 @@ void DwarfDebug::emitAccelNamespaces() {
// Emit type dies into a hashed accelerator table.
void DwarfDebug::emitAccelTypes() {
DwarfAccelTable::Atom Atoms[] = {
DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset, dwarf::DW_FORM_data4),
DwarfAccelTable::Atom(dwarf::DW_ATOM_die_tag, dwarf::DW_FORM_data2),
DwarfAccelTable::Atom(dwarf::DW_ATOM_type_flags, dwarf::DW_FORM_data1)};
DwarfAccelTable AT(Atoms);
for (const auto &TheU : getUnits()) {
for (const auto &GI : TheU->getAccelTypes()) {
StringRef Name = GI.getKey();
for (const auto &DI : GI.second)
AT.AddName(Name, DI.first, DI.second);
}
}
AT.FinalizeTable(Asm, "types");
AccelTypes.FinalizeTable(Asm, "types");
Asm->OutStreamer.SwitchSection(
Asm->getObjFileLowering().getDwarfAccelTypesSection());
MCSymbol *SectionBegin = Asm->GetTempSymbol("types_begin");
Asm->OutStreamer.EmitLabel(SectionBegin);
// Emit the full data.
AT.Emit(Asm, SectionBegin, &InfoHolder);
AccelTypes.Emit(Asm, SectionBegin, &InfoHolder);
}
// Public name handling.
@@ -2567,3 +2561,10 @@ void DwarfDebug::addAccelNamespace(StringRef Name, const DIE *Die) {
InfoHolder.getStringPoolEntry(Name);
AccelNamespace.AddName(Name, Die);
}
void DwarfDebug::addAccelType(StringRef Name, const DIE *Die, char Flags) {
if (!useDwarfAccelTables())
return;
InfoHolder.getStringPoolEntry(Name);
AccelTypes.AddName(Name, Die, Flags);
}