Change errs() to dbgs().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92611 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp
index 372616c..9c1b440 100644
--- a/lib/Transforms/Scalar/CodeGenPrepare.cpp
+++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp
@@ -237,7 +237,7 @@
   BranchInst *BI = cast<BranchInst>(BB->getTerminator());
   BasicBlock *DestBB = BI->getSuccessor(0);
 
-  DEBUG(errs() << "MERGING MOSTLY EMPTY BLOCKS - BEFORE:\n" << *BB << *DestBB);
+  DEBUG(dbgs() << "MERGING MOSTLY EMPTY BLOCKS - BEFORE:\n" << *BB << *DestBB);
 
   // If the destination block has a single pred, then this is a trivial edge,
   // just collapse it.
@@ -251,7 +251,7 @@
       if (isEntry && BB != &BB->getParent()->getEntryBlock())
         BB->moveBefore(&BB->getParent()->getEntryBlock());
       
-      DEBUG(errs() << "AFTER:\n" << *DestBB << "\n\n\n");
+      DEBUG(dbgs() << "AFTER:\n" << *DestBB << "\n\n\n");
       return;
     }
   }
@@ -294,7 +294,7 @@
   }
   BB->eraseFromParent();
 
-  DEBUG(errs() << "AFTER:\n" << *DestBB << "\n\n\n");
+  DEBUG(dbgs() << "AFTER:\n" << *DestBB << "\n\n\n");
 }
 
 
@@ -591,7 +591,7 @@
 
   // If all the instructions matched are already in this BB, don't do anything.
   if (!AnyNonLocal) {
-    DEBUG(errs() << "CGP: Found      local addrmode: " << AddrMode << "\n");
+    DEBUG(dbgs() << "CGP: Found      local addrmode: " << AddrMode << "\n");
     return false;
   }
 
@@ -606,12 +606,12 @@
   // computation.
   Value *&SunkAddr = SunkAddrs[Addr];
   if (SunkAddr) {
-    DEBUG(errs() << "CGP: Reusing nonlocal addrmode: " << AddrMode << " for "
+    DEBUG(dbgs() << "CGP: Reusing nonlocal addrmode: " << AddrMode << " for "
                  << *MemoryInst);
     if (SunkAddr->getType() != Addr->getType())
       SunkAddr = new BitCastInst(SunkAddr, Addr->getType(), "tmp", InsertPt);
   } else {
-    DEBUG(errs() << "CGP: SINKING nonlocal addrmode: " << AddrMode << " for "
+    DEBUG(dbgs() << "CGP: SINKING nonlocal addrmode: " << AddrMode << " for "
                  << *MemoryInst);
     const Type *IntPtrTy =
           TLI->getTargetData()->getIntPtrType(AccessTy->getContext());