Remove unused options.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48319 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index 65c8a5b99b1245fe1edd5654a7cf89d6b615ed02..92a4ebeb849ea4f7f76519a1ce7ef1d922c9310a 100644 (file)
--- a/lib/CodeGen/SimpleRegisterCoalescing.cpp
+++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -53,14 +53,6 @@ namespace {
                 cl::desc("Use new coalescer heuristic"),
                 cl::init(false));
 
-  static cl::opt<bool>
-  CommuteDef("coalescer-commute-instrs",
-             cl::init(true), cl::Hidden);
-
-  static cl::opt<int>
-  CommuteLimit("commute-limit",
-               cl::init(-1), cl::Hidden);
-
   RegisterPass<SimpleRegisterCoalescing> 
   X("simple-register-coalescing", "Simple Register Coalescing");
 
@@ -247,8 +239,6 @@ bool SimpleRegisterCoalescing::HasOtherReachingDefs(LiveInterval &IntA,
 bool SimpleRegisterCoalescing::RemoveCopyByCommutingDef(LiveInterval &IntA,
                                                         LiveInterval &IntB,
                                                         MachineInstr *CopyMI) {
-  if (!CommuteDef) return false;
-
   unsigned CopyIdx = li_->getDefIndex(li_->getInstructionIndex(CopyMI));
 
   // FIXME: For now, only eliminate the copy by commuting its def when the
@@ -293,9 +283,6 @@ bool SimpleRegisterCoalescing::RemoveCopyByCommutingDef(LiveInterval &IntA,
   if (HasOtherReachingDefs(IntA, IntB, AValNo, BValNo))
     return false;
 
-  if (CommuteLimit >= 0 && numCommutes >= (unsigned)CommuteLimit)
-    return false;
-
   // At this point we have decided that it is legal to do this
   // transformation.  Start by commuting the instruction.
   MachineBasicBlock *MBB = DefMI->getParent();