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 720354a..29e3ba1 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 @@
// You ARE the weakest link... goodbye
delete BB;
+
+ WriteToVCG(M, "MergedInto");
}
}
}