[llvm-commits] [llvm] r107903 - in /llvm/trunk/lib/CodeGen/AsmPrinter: DwarfDebug.cpp DwarfDebug.h

[Devang Patel]

Author: dpatel
Date: Thu Jul  8 15:10:35 2010
New Revision: 107903

URL: http://llvm.org/viewvc/llvm-project?rev=107903&view=rev
Log:
Reuse DIEInteger for 1. This is frequently used while emitting an attribute using dwarf::DW_FORM_flag form.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=107903&r1=107902&r2=107903&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Thu Jul  8 15:10:35 2010
@@ -322,6 +322,7 @@
   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 @@
 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);
 }
 

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h?rev=107903&r1=107902&r2=107903&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h Thu Jul  8 15:10:35 2010
@@ -263,6 +263,8 @@
   MCSymbol *DwarfDebugLocSectionSym;
   MCSymbol *DwarfDebugLineSectionSym, *CurrentLineSectionSym;
   MCSymbol *FunctionBeginSym, *FunctionEndSym;
+
+  DIEInteger *DIEIntegerOne;
 private:
   
   /// getSourceDirectoryAndFileIds - Return the directory and file ids that