From: Chris Lattner <sabre@nondot.org>
Date: Wed, 13 Jun 2001 19:55:22 +0000 (+0000)
Subject: Updates to work with new cfg namespace
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=d36c91c9c6f87d28230c3ae0e4381473eac7944a;p=oota-llvm.git

Updates to work with new cfg namespace


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/DCE.cpp b/lib/Transforms/Scalar/DCE.cpp
index 720354a4dfe..29e3ba1a719 100644
--- a/lib/Transforms/Scalar/DCE.cpp
+++ b/lib/Transforms/Scalar/DCE.cpp
@@ -15,7 +15,10 @@
 // that this may cause other earlier values to become unused.  To make sure that
 // we get them all, we iterate until things stop changing.  Instead, when 
 // removing a value, recheck all of its operands to see if they are now unused.
-// Piece of cake, and more efficient as well.
+// Piece of cake, and more efficient as well.  
+//
+// Note, this is not trivial, because we have to worry about invalidating 
+// iterators.  :(
 //
 //===----------------------------------------------------------------------===//
 
@@ -28,6 +31,8 @@
 #include "llvm/Assembly/Writer.h"
 #include "llvm/CFG.h"
 
+using namespace cfg;
+
 struct ConstPoolDCE { 
   enum { EndOffs = 0 };
   static bool isDCEable(const Value *) { return true; } 
@@ -302,6 +307,8 @@ static bool DoDCEPass(Method *M) {
 	
 	// You ARE the weakest link... goodbye
 	delete BB;
+
+	WriteToVCG(M, "MergedInto");
       }
     }
   }