Backing out 55521. Not safe.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55548 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 26 deletions

diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 6066e5cf66..bcbebcd45d 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -1433,30 +1433,6 @@ X86::CondCode X86::GetOppositeBranchCondition(X86::CondCode CC) {
   }
 }
 
-/// GetSwappedBranchCondition - Return the branch condition that would be
-/// the result of exchanging the two operands of a comparison without
-/// changing the result produced.
-/// e.g. COND_E to COND_E, COND_G -> COND_L
-X86::CondCode X86::GetSwappedBranchCondition(X86::CondCode CC) {
-  switch (CC) {
-  default: assert(0 && "Illegal condition code!");
-  case X86::COND_E:  return X86::COND_E;
-  case X86::COND_NE: return X86::COND_NE;
-  case X86::COND_L:  return X86::COND_G;
-  case X86::COND_LE: return X86::COND_GE;
-  case X86::COND_G:  return X86::COND_L;
-  case X86::COND_GE: return X86::COND_LE;
-  case X86::COND_B:  return X86::COND_A;
-  case X86::COND_BE: return X86::COND_AE;
-  case X86::COND_A:  return X86::COND_B;
-  case X86::COND_AE: return X86::COND_BE;
-  case X86::COND_P:  return X86::COND_P;
-  case X86::COND_NP: return X86::COND_NP;
-  case X86::COND_O:  return X86::COND_O;
-  case X86::COND_NO: return X86::COND_NO;
-  }
-}
-
 bool X86InstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const {
   const TargetInstrDesc &TID = MI->getDesc();
   if (!TID.isTerminator()) return false;
@@ -2397,8 +2373,7 @@ bool X86InstrInfo::BlockHasNoFallThrough(MachineBasicBlock &MBB) const {
 bool X86InstrInfo::
 ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const {
   assert(Cond.size() == 1 && "Invalid X86 branch condition!");
-  X86::CondCode CC = static_cast<X86::CondCode>(Cond[0].getImm());
-  Cond[0].setImm(GetOppositeBranchCondition(CC));
+  Cond[0].setImm(GetOppositeBranchCondition((X86::CondCode)Cond[0].getImm()));
   return false;
 }