Changes to build successfully with GCC 3.02


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1503 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/Expressions.cpp b/lib/Analysis/Expressions.cpp
index a35e37a..e94c796 100644
--- a/lib/Analysis/Expressions.cpp
+++ b/lib/Analysis/Expressions.cpp
@@ -11,6 +11,7 @@
 #include "llvm/Optimizations/ConstantHandling.h"
 #include "llvm/Method.h"
 #include "llvm/BasicBlock.h"
+#include <iostream>
 
 using namespace opt;  // Get all the constant handling stuff
 using namespace analysis;
@@ -178,7 +179,7 @@
 static ExprType handleAddition(ExprType Left, ExprType Right, Value *V) {
   const Type *Ty = V->getType();
   if (Left.ExprTy > Right.ExprTy)
-    swap(Left, Right);   // Make left be simpler than right
+    std::swap(Left, Right);   // Make left be simpler than right
 
   switch (Left.ExprTy) {
   case ExprType::Constant:
@@ -229,7 +230,7 @@
   case Value::TypeVal:   case Value::BasicBlockVal:
   case Value::MethodVal: case Value::ModuleVal: default:
     //assert(0 && "Unexpected expression type to classify!");
-    cerr << "Bizarre thing to expr classify: " << Expr << endl;
+    std::cerr << "Bizarre thing to expr classify: " << Expr << "\n";
     return Expr;
   case Value::GlobalVariableVal:        // Global Variable & Method argument:
   case Value::MethodArgumentVal:        // nothing known, return variable itself
@@ -280,7 +281,7 @@
     ExprType Left (ClassifyExpression(I->getOperand(0)));
     ExprType Right(ClassifyExpression(I->getOperand(1)));
     if (Left.ExprTy > Right.ExprTy)
-      swap(Left, Right);   // Make left be simpler than right
+      std::swap(Left, Right);   // Make left be simpler than right
 
     if (Left.ExprTy != ExprType::Constant)  // RHS must be > constant
       return I;         // Quadratic eqn! :(