Refactor code. Fix a potential missing check. Teach isIdentical() about tLDRpci_pic.

llvm-svn: 86330

1 files changed, 0 insertions, 26 deletions

diff --git a/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp b/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp
index cdb06cbd957..da8ceb462b0 100644
--- a/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp
+++ b/llvm/lib/Target/ARM/Thumb2InstrInfo.cpp
@@ -175,32 +175,6 @@ void Thumb2InstrInfo::reMaterialize(MachineBasicBlock &MBB,
   NewMI->getOperand(0).setSubReg(SubIdx);
 }
 
-bool Thumb2InstrInfo::isIdentical(const MachineInstr *MI0,
-                                  const MachineInstr *MI1,
-                                  const MachineRegisterInfo *MRI) const {
-  unsigned Opcode = MI0->getOpcode();
-  if (Opcode == ARM::t2LDRpci_pic) {
-    const MachineOperand &MO0 = MI0->getOperand(1);
-    const MachineOperand &MO1 = MI1->getOperand(1);
-    if (MO0.getOffset() != MO1.getOffset())
-      return false;
-
-    const MachineFunction *MF = MI0->getParent()->getParent();
-    const MachineConstantPool *MCP = MF->getConstantPool();
-    int CPI0 = MO0.getIndex();
-    int CPI1 = MO1.getIndex();
-    const MachineConstantPoolEntry &MCPE0 = MCP->getConstants()[CPI0];
-    const MachineConstantPoolEntry &MCPE1 = MCP->getConstants()[CPI1];
-    ARMConstantPoolValue *ACPV0 =
-      static_cast<ARMConstantPoolValue*>(MCPE0.Val.MachineCPVal);
-    ARMConstantPoolValue *ACPV1 =
-      static_cast<ARMConstantPoolValue*>(MCPE1.Val.MachineCPVal);
-    return ACPV0->hasSameValue(ACPV1);
-  }
-
-  return TargetInstrInfoImpl::isIdentical(MI0, MI1, MRI);
-}
-
 void llvm::emitT2RegPlusImmediate(MachineBasicBlock &MBB,
                                MachineBasicBlock::iterator &MBBI, DebugLoc dl,
                                unsigned DestReg, unsigned BaseReg, int NumBytes,