1 //===-- LoongArchFrameLowering.cpp - LoongArch Frame Information -*- C++ -*-==//
9 // This file contains the LoongArch implementation of TargetFrameLowering class.
28 #define DEBUG_TYPE "loongarch-frame-lowering"
57   unsigned Addi = IsLA64 ? LoongArch::ADDI_D : LoongArch::ADDI_W;  in adjustReg()
93   unsigned Opc = IsLA64 ? LoongArch::ADD_D : LoongArch::ADD_W;  in adjustReg()
96     Opc = IsLA64 ? LoongArch::SUB_D : LoongArch::SUB_W;  in adjustReg()
100   Register ScratchReg = MRI.createVirtualRegister(&LoongArch::GPRRegClass);  in adjustReg()
136       if (MI.getOpcode() == LoongArch::PseudoST_CFR)  in needScavSlotForCFR()
144   const TargetRegisterClass &RC = LoongArch::GPRRegClass;  in processFunctionBeforeFrameFinalized()
189   Register SPReg = LoongArch::R3;  in emitPrologue()
190   Register FPReg = LoongArch::R22;  in emitPrologue()
284               TII->get(IsLA64 ? LoongArch::BSTRINS_D : LoongArch::BSTRINS_W),  in emitPrologue()
287           .addReg(LoongArch::R0)  in emitPrologue()
296         BuildMI(MBB, MBBI, DL, TII->get(LoongArch::OR),  in emitPrologue()
299             .addReg(LoongArch::R0)  in emitPrologue()
311   Register SPReg = LoongArch::R3;  in emitEpilogue()
331     adjustReg(MBB, LastFrameDestroy, DL, SPReg, LoongArch::R22,  in emitEpilogue()
384     SavedRegs.set(LoongArch::R1);  in determineCalleeSaves()
385     SavedRegs.set(LoongArch::R22);  in determineCalleeSaves()
405   Register SPReg = LoongArch::R3;  in eliminateCallFramePseudoInstr()
420       if (MI->getOpcode() == LoongArch::ADJCALLSTACKDOWN)  in eliminateCallFramePseudoInstr()
445         !(Reg == LoongArch::R1 && MF->getFrameInfo().isReturnAddressTaken());  in spillCalleeSavedRegisters()
478     FrameReg = LoongArch::R3;  in getFrameIndexReference()
487     FrameReg = hasBP(MF) ? LoongArchABI::getBPReg() : LoongArch::R3;  in getFrameIndexReference()