From 0c51266082b442ef96200c9faa3113f8d3cfdfb6 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 22 May 2002 22:53:05 +0000
Subject: [PATCH] Avoid creating the symbol table if we don't need it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2728 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/VMCore/ValueHolderImpl.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/VMCore/ValueHolderImpl.h b/lib/VMCore/ValueHolderImpl.h
index 3f20a173e91..6c447718c65 100644
--- a/lib/VMCore/ValueHolderImpl.h
+++ b/lib/VMCore/ValueHolderImpl.h
@@ -16,7 +16,7 @@
 template<class ValueSubclass, class ItemParentType, class SymTabType>
 void ValueHolder<ValueSubclass,ItemParentType,SymTabType>
 ::setParent(SymTabType *P) { 
-  if (Parent) {     // Remove all of the items from the old symbol table..
+  if (Parent && !empty()) {  // Remove all of the items from the old symtab..
     SymbolTable *SymTab = Parent->getSymbolTable();
     for (iterator I = begin(); I != end(); ++I)
       if ((*I)->hasName()) SymTab->remove(*I);
@@ -24,7 +24,7 @@ void ValueHolder<ValueSubclass,ItemParentType,SymTabType>
 
   Parent = P; 
 
-  if (Parent) {     // Remove all of the items from the old symbol table..
+  if (Parent && !empty()) {  // Add all of the items to the new symtab...
     SymbolTable *SymTab = Parent->getSymbolTableSure();
     for (iterator I = begin(); I != end(); ++I)
       if ((*I)->hasName()) SymTab->insert(*I);
-- 
2.34.1