Reuse DIEInteger for 1. This is frequently used while emitting an attribute using dwarf::DW_FORM_flag form.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107903 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2010-07-08 20:10:35 +00:00
parent 7db1e7a527
commit ca76f6f57c
2 changed files with 5 additions and 1 deletions

View File

@ -322,6 +322,7 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
DwarfDebugRangeSectionSym = DwarfDebugLocSectionSym = 0;
DwarfDebugLineSectionSym = CurrentLineSectionSym = 0;
FunctionBeginSym = FunctionEndSym = 0;
DIEIntegerOne = new (DIEValueAllocator) DIEInteger(1);
{
NamedRegionTimer T(DbgTimerName, DWARFGroupName, TimePassesIsEnabled);
beginModule(M);
@ -376,7 +377,8 @@ DIEEntry *DwarfDebug::createDIEEntry(DIE *Entry) {
void DwarfDebug::addUInt(DIE *Die, unsigned Attribute,
unsigned Form, uint64_t Integer) {
if (!Form) Form = DIEInteger::BestForm(false, Integer);
DIEValue *Value = new (DIEValueAllocator) DIEInteger(Integer);
DIEValue *Value = Integer == 1 ?
DIEIntegerOne : new (DIEValueAllocator) DIEInteger(Integer);
Die->addValue(Attribute, Form, Value);
}

View File

@ -263,6 +263,8 @@ class DwarfDebug {
MCSymbol *DwarfDebugLocSectionSym;
MCSymbol *DwarfDebugLineSectionSym, *CurrentLineSectionSym;
MCSymbol *FunctionBeginSym, *FunctionEndSym;
DIEInteger *DIEIntegerOne;
private:
/// getSourceDirectoryAndFileIds - Return the directory and file ids that