More migration to raw_ostream, the water has dried up around the iostream hole.
 - Some clients which used DOUT have moved to DEBUG. We are deprecating the
   "magic" DOUT behavior which avoided calling printing functions when the
   statement was disabled. In addition to being unnecessary magic, it had the
   downside of leaving code in -Asserts builds, and of hiding potentially
   unnecessary computations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77019 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/AliasAnalysisEvaluator.cpp b/lib/Analysis/AliasAnalysisEvaluator.cpp
index 07820e3..d4ae73c 100644
--- a/lib/Analysis/AliasAnalysisEvaluator.cpp
+++ b/lib/Analysis/AliasAnalysisEvaluator.cpp
@@ -29,7 +29,7 @@
 #include "llvm/Support/InstIterator.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Compiler.h"
-#include "llvm/Support/Streams.h"
+#include "llvm/Support/raw_ostream.h"
 #include <set>
 #include <sstream>
 using namespace llvm;
@@ -89,10 +89,10 @@
     WriteAsOperand(s2, V2, true, M);
     std::string o1(s1.str()), o2(s2.str());
     if (o2 < o1)
-        std::swap(o1, o2);
-    cerr << "  " << Msg << ":\t"
-         << o1 << ", "
-         << o2 << "\n";
+      std::swap(o1, o2);
+    errs() << "  " << Msg << ":\t"
+           << o1 << ", "
+           << o2 << "\n";
   }
 }
 
@@ -100,9 +100,9 @@
 PrintModRefResults(const char *Msg, bool P, Instruction *I, Value *Ptr,
                    Module *M) {
   if (P) {
-    cerr << "  " << Msg << ":  Ptr: ";
-    WriteAsOperand(*cerr.stream(), Ptr, true, M);
-    cerr << "\t<->" << *I;
+    errs() << "  " << Msg << ":  Ptr: ";
+    WriteAsOperand(errs(), Ptr, true, M);
+    errs() << "\t<->" << *I;
   }
 }
 
@@ -136,8 +136,8 @@
 
   if (PrintNoAlias || PrintMayAlias || PrintMustAlias ||
       PrintNoModRef || PrintMod || PrintRef || PrintModRef)
-    cerr << "Function: " << F.getName() << ": " << Pointers.size()
-         << " pointers, " << CallSites.size() << " call sites\n";
+    errs() << "Function: " << F.getName() << ": " << Pointers.size()
+           << " pointers, " << CallSites.size() << " call sites\n";
 
   // iterate over the worklist, and run the full (n^2)/2 disambiguations
   for (std::set<Value *>::iterator I1 = Pointers.begin(), E = Pointers.end();
@@ -162,7 +162,7 @@
         PrintResults("MustAlias", PrintMustAlias, *I1, *I2, F.getParent());
         ++MustAlias; break;
       default:
-        cerr << "Unknown alias query result!\n";
+        errs() << "Unknown alias query result!\n";
       }
     }
   }
@@ -192,7 +192,7 @@
         PrintModRefResults("  ModRef", PrintModRef, I, *V, F.getParent());
         ++ModRef; break;
       default:
-        cerr << "Unknown alias query result!\n";
+        errs() << "Unknown alias query result!\n";
       }
     }
   }
@@ -201,45 +201,45 @@
 }
 
 static void PrintPercent(unsigned Num, unsigned Sum) {
-  cerr << "(" << Num*100ULL/Sum << "."
-            << ((Num*1000ULL/Sum) % 10) << "%)\n";
+  errs() << "(" << Num*100ULL/Sum << "."
+         << ((Num*1000ULL/Sum) % 10) << "%)\n";
 }
 
 bool AAEval::doFinalization(Module &M) {
   unsigned AliasSum = NoAlias + MayAlias + MustAlias;
-  cerr << "===== Alias Analysis Evaluator Report =====\n";
+  errs() << "===== Alias Analysis Evaluator Report =====\n";
   if (AliasSum == 0) {
-    cerr << "  Alias Analysis Evaluator Summary: No pointers!\n";
+    errs() << "  Alias Analysis Evaluator Summary: No pointers!\n";
   } else {
-    cerr << "  " << AliasSum << " Total Alias Queries Performed\n";
-    cerr << "  " << NoAlias << " no alias responses ";
+    errs() << "  " << AliasSum << " Total Alias Queries Performed\n";
+    errs() << "  " << NoAlias << " no alias responses ";
     PrintPercent(NoAlias, AliasSum);
-    cerr << "  " << MayAlias << " may alias responses ";
+    errs() << "  " << MayAlias << " may alias responses ";
     PrintPercent(MayAlias, AliasSum);
-    cerr << "  " << MustAlias << " must alias responses ";
+    errs() << "  " << MustAlias << " must alias responses ";
     PrintPercent(MustAlias, AliasSum);
-    cerr << "  Alias Analysis Evaluator Pointer Alias Summary: "
-         << NoAlias*100/AliasSum  << "%/" << MayAlias*100/AliasSum << "%/"
-         << MustAlias*100/AliasSum << "%\n";
+    errs() << "  Alias Analysis Evaluator Pointer Alias Summary: "
+           << NoAlias*100/AliasSum  << "%/" << MayAlias*100/AliasSum << "%/"
+           << MustAlias*100/AliasSum << "%\n";
   }
 
   // Display the summary for mod/ref analysis
   unsigned ModRefSum = NoModRef + Mod + Ref + ModRef;
   if (ModRefSum == 0) {
-    cerr << "  Alias Analysis Mod/Ref Evaluator Summary: no mod/ref!\n";
+    errs() << "  Alias Analysis Mod/Ref Evaluator Summary: no mod/ref!\n";
   } else {
-    cerr << "  " << ModRefSum << " Total ModRef Queries Performed\n";
-    cerr << "  " << NoModRef << " no mod/ref responses ";
+    errs() << "  " << ModRefSum << " Total ModRef Queries Performed\n";
+    errs() << "  " << NoModRef << " no mod/ref responses ";
     PrintPercent(NoModRef, ModRefSum);
-    cerr << "  " << Mod << " mod responses ";
+    errs() << "  " << Mod << " mod responses ";
     PrintPercent(Mod, ModRefSum);
-    cerr << "  " << Ref << " ref responses ";
+    errs() << "  " << Ref << " ref responses ";
     PrintPercent(Ref, ModRefSum);
-    cerr << "  " << ModRef << " mod & ref responses ";
+    errs() << "  " << ModRef << " mod & ref responses ";
     PrintPercent(ModRef, ModRefSum);
-    cerr << "  Alias Analysis Evaluator Mod/Ref Summary: "
-         << NoModRef*100/ModRefSum  << "%/" << Mod*100/ModRefSum << "%/"
-         << Ref*100/ModRefSum << "%/" << ModRef*100/ModRefSum << "%\n";
+    errs() << "  Alias Analysis Evaluator Mod/Ref Summary: "
+           << NoModRef*100/ModRefSum  << "%/" << Mod*100/ModRefSum << "%/"
+           << Ref*100/ModRefSum << "%/" << ModRef*100/ModRefSum << "%\n";
   }
 
   return false;
diff --git a/lib/Analysis/IPA/CallGraph.cpp b/lib/Analysis/IPA/CallGraph.cpp
index 6dabcdb..4d15a48 100644
--- a/lib/Analysis/IPA/CallGraph.cpp
+++ b/lib/Analysis/IPA/CallGraph.cpp
@@ -75,7 +75,7 @@
   virtual void print(std::ostream &o, const Module *M) const {
     o << "CallGraph Root is: ";
     if (Function *F = getRoot()->getFunction())
-      o << F->getName() << "\n";
+      o << F->getNameStr() << "\n";
     else
       o << "<<null function: 0x" << getRoot() << ">>\n";
     
@@ -244,13 +244,13 @@
 
 void CallGraphNode::print(std::ostream &OS) const {
   if (Function *F = getFunction())
-    OS << "Call graph node for function: '" << F->getName() <<"'\n";
+    OS << "Call graph node for function: '" << F->getNameStr() <<"'\n";
   else
     OS << "Call graph node <<null function: 0x" << this << ">>:\n";
 
   for (const_iterator I = begin(), E = end(); I != E; ++I)
     if (Function *FI = I->second->getFunction())
-      OS << "  Calls function '" << FI->getName() <<"'\n";
+      OS << "  Calls function '" << FI->getNameStr() <<"'\n";
   else
     OS << "  Calls external node\n";
   OS << "\n";
diff --git a/lib/Analysis/IVUsers.cpp b/lib/Analysis/IVUsers.cpp
index 0f0bbba..ebfc53f 100644
--- a/lib/Analysis/IVUsers.cpp
+++ b/lib/Analysis/IVUsers.cpp
@@ -129,8 +129,8 @@
     if (!AddRecStride->dominates(Preheader, DT))
       return false;
 
-    DOUT << "[" << L->getHeader()->getName()
-         << "] Variable stride: " << *AddRec << "\n";
+    DEBUG(errs() << "[" << L->getHeader()->getName()
+                 << "] Variable stride: " << *AddRec << "\n");
   }
 
   Stride = AddRecStride;
diff --git a/lib/Analysis/Trace.cpp b/lib/Analysis/Trace.cpp
index 8f19fda..31c7a19 100644
--- a/lib/Analysis/Trace.cpp
+++ b/lib/Analysis/Trace.cpp
@@ -33,7 +33,7 @@
 ///
 void Trace::print(std::ostream &O) const {
   Function *F = getFunction ();
-  O << "; Trace from function " << F->getName() << ", blocks:\n";
+  O << "; Trace from function " << F->getNameStr() << ", blocks:\n";
   for (const_iterator i = begin(), e = end(); i != e; ++i) {
     O << "; ";
     WriteAsOperand(O, *i, true, getModule());