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[CFIInstrInserter] Use number of supported registers (NFC) #71797

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Merged
merged 1 commit into from
Nov 9, 2023
Merged

[CFIInstrInserter] Use number of supported registers (NFC) #71797

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4 changes: 2 additions & 2 deletions llvm/lib/CodeGen/CFIInstrInserter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -151,7 +151,7 @@ void CFIInstrInserter::calculateCFAInfo(MachineFunction &MF) {
Register InitialRegister =
MF.getSubtarget().getFrameLowering()->getInitialCFARegister(MF);
InitialRegister = TRI.getDwarfRegNum(InitialRegister, true);
unsigned NumRegs = TRI.getNumRegs();
unsigned NumRegs = TRI.getNumSupportedRegs(MF);

// Initialize MBBMap.
for (MachineBasicBlock &MBB : MF) {
Expand Down Expand Up @@ -181,7 +181,7 @@ void CFIInstrInserter::calculateOutgoingCFAInfo(MBBCFAInfo &MBBInfo) {
MachineFunction *MF = MBBInfo.MBB->getParent();
const std::vector<MCCFIInstruction> &Instrs = MF->getFrameInstructions();
const TargetRegisterInfo &TRI = *MF->getSubtarget().getRegisterInfo();
unsigned NumRegs = TRI.getNumRegs();
unsigned NumRegs = TRI.getNumSupportedRegs(*MF);
BitVector CSRSaved(NumRegs), CSRRestored(NumRegs);

// Determine cfa offset and register set by the block.
Expand Down