Start using the new function cloning header

[oota-llvm.git] / lib / Analysis / Interval.cpp

diff --git a/lib/Analysis/Interval.cpp b/lib/Analysis/Interval.cpp
index 5c68be9c2e2207365d804bf0ab77050a8a0f86ea..b966c99574d35e2476bd8be818bd0e7e9ff8b405 100644 (file)
--- a/lib/Analysis/Interval.cpp
+++ b/lib/Analysis/Interval.cpp
@@ -1,12 +1,14 @@
 //===- Interval.cpp - Interval class code ------------------------*- C++ -*--=//
 //
-// This file contains the definition of the cfg::Interval class, which
-// represents a partition of a control flow graph of some kind.
+// This file contains the definition of the Interval class, which represents a
+// partition of a control flow graph of some kind.
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Analysis/Interval.h"
 #include "llvm/BasicBlock.h"
+#include "llvm/Support/CFG.h"
+#include <algorithm>
 
 //===----------------------------------------------------------------------===//
 // Interval Implementation
@@ -14,14 +16,30 @@
 
 // isLoop - Find out if there is a back edge in this interval...
 //
-bool cfg::Interval::isLoop() const {
+bool 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 = HeaderNode->pred_begin(), 
-                                 E = HeaderNode->pred_end(); I != E; ++I) {
+  for (::pred_iterator I = ::pred_begin(HeaderNode), E = ::pred_end(HeaderNode);
+       I != E; ++I) {
     if (contains(*I)) return true;
   }
   return false;
 }
 
 
+void Interval::print(std::ostream &o) const {
+  o << "-------------------------------------------------------------\n"
+       << "Interval Contents:\n";
+  
+  // Print out all of the basic blocks in the interval...
+  std::copy(Nodes.begin(), Nodes.end(), 
+            std::ostream_iterator<BasicBlock*>(o, "\n"));
+
+  o << "Interval Predecessors:\n";
+  std::copy(Predecessors.begin(), Predecessors.end(), 
+            std::ostream_iterator<BasicBlock*>(o, "\n"));
+  
+  o << "Interval Successors:\n";
+  std::copy(Successors.begin(), Successors.end(), 
+            std::ostream_iterator<BasicBlock*>(o, "\n"));
+}