37 lines
724 B
C++
37 lines
724 B
C++
#include "mir/MIR.h"
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#include <stdexcept>
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#include "utils/Log.h"
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namespace mir {
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namespace {
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bool IsAllowedReg(PhysReg reg) {
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switch (reg) {
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case PhysReg::W0:
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case PhysReg::W8:
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case PhysReg::W9:
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case PhysReg::X29:
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case PhysReg::X30:
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case PhysReg::SP:
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return true;
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}
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return false;
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}
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} // namespace
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void RunRegAlloc(MachineFunction& function) {
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for (const auto& inst : function.GetEntry().GetInstructions()) {
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for (const auto& operand : inst.GetOperands()) {
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if (operand.GetKind() == Operand::Kind::Reg &&
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!IsAllowedReg(operand.GetReg())) {
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throw std::runtime_error(FormatError("mir", "寄存器分配失败"));
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}
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}
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}
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}
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} // namespace mir
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