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| author | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-09 04:40:17 +0800 |
|---|---|---|
| committer | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-09 04:40:17 +0800 |
| commit | e5fdceb9b869f010a2a75638fd38aaf1867f3008 (patch) | |
| tree | 023d3e18960956f5ce369739c68aaa2a3e8400e7 /backend/lib/CodeGen/MachineRegisterInfo.cpp | |
| parent | 6c7cecc81a4c7e06e26027e21edd2cfd95a37a0b (diff) | |
| download | rcc-project-e5fdceb9b869f010a2a75638fd38aaf1867f3008.tar.gz rcc-project-e5fdceb9b869f010a2a75638fd38aaf1867f3008.tar.xz | |
[CodeGen] Complete register allocation infrastructure
Diffstat (limited to 'backend/lib/CodeGen/MachineRegisterInfo.cpp')
| -rw-r--r-- | backend/lib/CodeGen/MachineRegisterInfo.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
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<void> MachineRegisterInfo::addLiveIn(PhysicalRegister PhysReg, return {}; } +void MachineRegisterInfo::clearLiveInVirtualRegisters() noexcept { + for (PhysicalRegisterLiveIn &LiveIn : LiveIns) + LiveIn.InitialVirtualRegister.reset(); +} + Expected<void> MachineRegisterInfo::reservePhysicalRegister(PhysicalRegister PhysReg) { if (!PhysReg.isValid()) { return makeUnexpected(ErrorCode::InvalidArgument, |