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Allocate the contents of DwarfDebug's StringMaps in a single big BumpPtrAllocator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158265 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -126,6 +126,7 @@ DIType DbgVariable::getType() const {
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DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
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: Asm(A), MMI(Asm->MMI), FirstCU(0),
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AbbreviationsSet(InitAbbreviationsSetSize),
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SourceIdMap(DIEValueAllocator), StringPool(DIEValueAllocator),
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PrevLabel(NULL) {
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NextStringPoolNumber = 0;
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@ -188,6 +188,9 @@ class DwarfDebug {
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/// MMI - Collected machine module information.
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MachineModuleInfo *MMI;
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/// DIEValueAllocator - All DIEValues are allocated through this allocator.
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BumpPtrAllocator DIEValueAllocator;
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//===--------------------------------------------------------------------===//
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// Attributes used to construct specific Dwarf sections.
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//
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@ -210,11 +213,11 @@ class DwarfDebug {
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/// SourceIdMap - Source id map, i.e. pair of source filename and directory,
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/// separated by a zero byte, mapped to a unique id.
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StringMap<unsigned> SourceIdMap;
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StringMap<unsigned, BumpPtrAllocator&> SourceIdMap;
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/// StringPool - A String->Symbol mapping of strings used by indirect
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/// references.
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StringMap<std::pair<MCSymbol*, unsigned> > StringPool;
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StringMap<std::pair<MCSymbol*, unsigned>, BumpPtrAllocator&> StringPool;
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unsigned NextStringPoolNumber;
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/// SectionMap - Provides a unique id per text section.
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@ -292,9 +295,6 @@ class DwarfDebug {
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std::vector<FunctionDebugFrameInfo> DebugFrames;
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// DIEValueAllocator - All DIEValues are allocated through this allocator.
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BumpPtrAllocator DIEValueAllocator;
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// Section Symbols: these are assembler temporary labels that are emitted at
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// the beginning of each supported dwarf section. These are used to form
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// section offsets and are created by EmitSectionLabels.
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