Differential D131962 Diff 452982 llvm/lib/Target/RISCV/RISCVRegisterInfo.cpp

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Show First 20 Lines • Show All 111 Lines • ▼ Show 20 Lines	BitVector RISCVRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
return Reserved;		return Reserved;
}		}

bool RISCVRegisterInfo::isAsmClobberable(const MachineFunction &MF,		bool RISCVRegisterInfo::isAsmClobberable(const MachineFunction &MF,
MCRegister PhysReg) const {		MCRegister PhysReg) const {
return !MF.getSubtarget<RISCVSubtarget>().isRegisterReservedByUser(PhysReg);		return !MF.getSubtarget<RISCVSubtarget>().isRegisterReservedByUser(PhysReg);
}		}

bool RISCVRegisterInfo::isConstantPhysReg(MCRegister PhysReg) const {
return PhysReg == RISCV::X0 \|\| PhysReg == RISCV::VLENB;
}

const uint32_t *RISCVRegisterInfo::getNoPreservedMask() const {		const uint32_t *RISCVRegisterInfo::getNoPreservedMask() const {
return CSR_NoRegs_RegMask;		return CSR_NoRegs_RegMask;
}		}

// Frame indexes representing locations of CSRs which are given a fixed location		// Frame indexes representing locations of CSRs which are given a fixed location
// by save/restore libcalls.		// by save/restore libcalls.
static const std::pair<unsigned, int> FixedCSRFIMap[] = {		static const std::pair<unsigned, int> FixedCSRFIMap[] = {
{/ra/ RISCV::X1, -1},		{/ra/ RISCV::X1, -1},
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