Pull predecessor and successor iterators out of the CFG*.h files, and plop them into

the BasicBlock class where they should be.  pred_begin/pred_end become methods on BasicBlock,
and the cfg namespace isn't used anymore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@691 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 5 deletions

diff --git a/lib/Analysis/Interval.cpp b/lib/Analysis/Interval.cpp
index 97fa34ea7a..5c68be9c2e 100644
--- a/lib/Analysis/Interval.cpp
+++ b/lib/Analysis/Interval.cpp
@@ -8,19 +8,17 @@
 #include "llvm/Analysis/Interval.h"
 #include "llvm/BasicBlock.h"
 
-using namespace cfg;
-
 //===----------------------------------------------------------------------===//
 // Interval Implementation
 //===----------------------------------------------------------------------===//
 
 // isLoop - Find out if there is a back edge in this interval...
 //
-bool Interval::isLoop() const {
+bool cfg::Interval::isLoop() const {
   // There is a loop in this interval iff one of the predecessors of the header
   // node lives in the interval.
-  for (BasicBlock::pred_iterator I = pred_begin(HeaderNode), 
-                                 E = pred_end(HeaderNode); I != E; ++I) {
+  for (BasicBlock::pred_iterator I = HeaderNode->pred_begin(), 
+                                 E = HeaderNode->pred_end(); I != E; ++I) {
     if (contains(*I)) return true;
   }
   return false;