| XCoreInstrInfo.cpp (198090) | XCoreInstrInfo.cpp (200581) |
|---|---|
| 1//===- XCoreInstrInfo.cpp - XCore Instruction Information -------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 439 unchanged lines hidden (view full) --- 448 else { 449 MI = BeforeI; 450 ++MI; 451 } 452 } 453 return true; 454} 455 | 1//===- XCoreInstrInfo.cpp - XCore Instruction Information -------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 439 unchanged lines hidden (view full) --- 448 else { 449 MI = BeforeI; 450 ++MI; 451 } 452 } 453 return true; 454} 455 |
| 456/// BlockHasNoFallThrough - Analyse if MachineBasicBlock does not 457/// fall-through into its successor block. 458bool XCoreInstrInfo:: 459BlockHasNoFallThrough(const MachineBasicBlock &MBB) const 460{ 461 if (MBB.empty()) return false; 462 463 switch (MBB.back().getOpcode()) { 464 case XCore::RETSP_u6: // Return. 465 case XCore::RETSP_lu6: 466 case XCore::BAU_1r: // Indirect branch. 467 case XCore::BRFU_u6: // Uncond branch. 468 case XCore::BRFU_lu6: 469 case XCore::BRBU_u6: 470 case XCore::BRBU_lu6: 471 return true; 472 default: return false; 473 } 474} 475 | |
| 476/// ReverseBranchCondition - Return the inverse opcode of the 477/// specified Branch instruction. 478bool XCoreInstrInfo:: 479ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const 480{ 481 assert((Cond.size() == 2) && 482 "Invalid XCore branch condition!"); 483 Cond[0].setImm(GetOppositeBranchCondition((XCore::CondCode)Cond[0].getImm())); 484 return false; 485} | 456/// ReverseBranchCondition - Return the inverse opcode of the 457/// specified Branch instruction. 458bool XCoreInstrInfo:: 459ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const 460{ 461 assert((Cond.size() == 2) && 462 "Invalid XCore branch condition!"); 463 Cond[0].setImm(GetOppositeBranchCondition((XCore::CondCode)Cond[0].getImm())); 464 return false; 465} |