//===- 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
// 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 (::pred_iterator I = ::pred_begin(HeaderNode), E = ::pred_end(HeaderNode);
}
+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"));
+}