1 files changed, 0 insertions, 51 deletions
diff --git a/lib/CodeGen/SplitKit.cpp b/lib/CodeGen/SplitKit.cpp
index d0971fea48..4bb13e44b8 100644
--- a/lib/CodeGen/SplitKit.cpp
+++ b/lib/CodeGen/SplitKit.cpp
@@ -24,7 +24,6 @@
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/GraphWriter.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
@@ -36,56 +35,6 @@ AllowSplit("spiller-splits-edges",
            cl::desc("Allow critical edge splitting during spilling"));
 
 //===----------------------------------------------------------------------===//
-//                                 Edge Bundles
-//===----------------------------------------------------------------------===//
-
-/// compute - Compute the edge bundles for MF. Bundles depend only on the CFG.
-void EdgeBundles::compute(const MachineFunction *mf) {
-  MF = mf;
-  EC.clear();
-  EC.grow(2 * MF->size());
-
-  for (MachineFunction::const_iterator I = MF->begin(), E = MF->end(); I != E;
-       ++I) {
-    const MachineBasicBlock &MBB = *I;
-    unsigned OutE = 2 * MBB.getNumber() + 1;
-    // Join the outgoing bundle with the ingoing bundles of all successors.
-    for (MachineBasicBlock::const_succ_iterator SI = MBB.succ_begin(),
-           SE = MBB.succ_end(); SI != SE; ++SI)
-      EC.join(OutE, 2 * (*SI)->getNumber());
-  }
-  EC.compress();
-}
-
-/// view - Visualize the annotated bipartite CFG with Graphviz.
-void EdgeBundles::view() const {
-  ViewGraph(*this, "EdgeBundles");
-}
-
-/// Specialize WriteGraph, the standard implementation won't work.
-raw_ostream &llvm::WriteGraph(raw_ostream &O, const EdgeBundles &G,
-                              bool ShortNames,
-                              const std::string &Title) {
-  const MachineFunction *MF = G.getMachineFunction();
-
-  O << "digraph {\n";
-  for (MachineFunction::const_iterator I = MF->begin(), E = MF->end();
-       I != E; ++I) {
-    unsigned BB = I->getNumber();
-    O << "\t\"BB#" << BB << "\" [ shape=box ]\n"
-      << '\t' << G.getBundle(BB, false) << " -> \"BB#" << BB << "\"\n"
-      << "\t\"BB#" << BB << "\" -> " << G.getBundle(BB, true) << '\n';
-    for (MachineBasicBlock::const_succ_iterator SI = I->succ_begin(),
-           SE = I->succ_end(); SI != SE; ++SI)
-      O << "\t\"BB#" << BB << "\" -> \"BB#" << (*SI)->getNumber()
-        << "\" [ color=lightgray ]\n";
-  }
-  O << "}\n";
-  return O;
-}
-
-
-//===----------------------------------------------------------------------===//
 //                                 Split Analysis
 //===----------------------------------------------------------------------===//