From e5fdceb9b869f010a2a75638fd38aaf1867f3008 Mon Sep 17 00:00:00 2001 From: Richard-Qin-X Date: Sun, 9 Aug 2026 04:40:17 +0800 Subject: [CodeGen] Complete register allocation infrastructure --- backend/lib/CodeGen/MachineRegisterInfo.cpp | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'backend/lib/CodeGen/MachineRegisterInfo.cpp') diff --git a/backend/lib/CodeGen/MachineRegisterInfo.cpp b/backend/lib/CodeGen/MachineRegisterInfo.cpp index 3784b22..7bd0ef3 100644 --- a/backend/lib/CodeGen/MachineRegisterInfo.cpp +++ b/backend/lib/CodeGen/MachineRegisterInfo.cpp @@ -229,6 +229,11 @@ Expected MachineRegisterInfo::addLiveIn(PhysicalRegister PhysReg, return {}; } +void MachineRegisterInfo::clearLiveInVirtualRegisters() noexcept { + for (PhysicalRegisterLiveIn &LiveIn : LiveIns) + LiveIn.InitialVirtualRegister.reset(); +} + Expected MachineRegisterInfo::reservePhysicalRegister(PhysicalRegister PhysReg) { if (!PhysReg.isValid()) { return makeUnexpected(ErrorCode::InvalidArgument, -- cgit v1.2.3