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Remove unused options.

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llvm-svn: 48319
This commit is contained in:
Evan Cheng 2008-03-13 02:41:34 +00:00
parent e84a9f3740
commit 6b57844f0c
1 changed files with 0 additions and 13 deletions
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13
lib/CodeGen/SimpleRegisterCoalescing.cpp
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@ -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();