Remove some dead code.

The InterferenceResult iterator turned out to be less important than we
thought it would be.  LiveIntervalUnion clients want higher level
information, like the list of interfering virtual registers.

llvm-svn: 137346

1 files changed, 0 insertions, 19 deletions

diff --git a/llvm/lib/CodeGen/LiveIntervalUnion.cpp b/llvm/lib/CodeGen/LiveIntervalUnion.cpp
index 70003e7cc86..b30e169ee0f 100644
--- a/llvm/lib/CodeGen/LiveIntervalUnion.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalUnion.cpp
@@ -91,25 +91,6 @@ LiveIntervalUnion::print(raw_ostream &OS, const TargetRegisterInfo *TRI) const {
   OS << '\n';
 }
 
-void LiveIntervalUnion::InterferenceResult::print(raw_ostream &OS,
-                                          const TargetRegisterInfo *TRI) const {
-  OS << '[' << start() << ';' << stop() << "):"
-     << PrintReg(interference()->reg, TRI);
-}
-
-void LiveIntervalUnion::Query::print(raw_ostream &OS,
-                                     const TargetRegisterInfo *TRI) {
-  OS << "Interferences with ";
-  LiveUnion->print(OS, TRI);
-  InterferenceResult IR = firstInterference();
-  while (isInterference(IR)) {
-    OS << "  ";
-    IR.print(OS, TRI);
-    OS << '\n';
-    nextInterference(IR);
-  }
-}
-
 #ifndef NDEBUG
 // Verify the live intervals in this union and add them to the visited set.
 void LiveIntervalUnion::verify(LiveVirtRegBitSet& VisitedVRegs) {