-//===- Interval.cpp - Interval class code ------------------------*- C++ -*--=//
+//===- Interval.cpp - Interval class code ---------------------------------===//
//
-// This file contains the definition of the cfg::Interval class, which
-// represents a partition of a control flow graph of some kind.
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// 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/CFG.h"
+#include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/CFG.h"
+#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
-using namespace cfg;
+using namespace llvm;
//===----------------------------------------------------------------------===//
// Interval Implementation
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 = pred_begin(HeaderNode),
- E = pred_end(HeaderNode); I != E; ++I) {
- if (contains(*I)) return true;
- }
+ for (::pred_iterator I = ::pred_begin(HeaderNode), E = ::pred_end(HeaderNode);
+ I != E; ++I)
+ if (contains(*I))
+ return true;
return false;
}
+void Interval::print(raw_ostream &OS) const {
+ OS << "-------------------------------------------------------------\n"
+ << "Interval Contents:\n";
+
+ // Print out all of the basic blocks in the interval...
+ for (std::vector<BasicBlock*>::const_iterator I = Nodes.begin(),
+ E = Nodes.end(); I != E; ++I)
+ OS << **I << "\n";
+
+ OS << "Interval Predecessors:\n";
+ for (std::vector<BasicBlock*>::const_iterator I = Predecessors.begin(),
+ E = Predecessors.end(); I != E; ++I)
+ OS << **I << "\n";
+
+ OS << "Interval Successors:\n";
+ for (std::vector<BasicBlock*>::const_iterator I = Successors.begin(),
+ E = Successors.end(); I != E; ++I)
+ OS << **I << "\n";
+}