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MachineFunction: Remove null check on TargetRegisterInfo #128480

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Merged
merged 1 commit into from
Feb 24, 2025
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MachineFunction: Remove null check on TargetRegisterInfo #128480

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5 changes: 2 additions & 3 deletions llvm/include/llvm/CodeGen/TargetSubtargetInfo.h
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Original file line number Diff line number Diff line change
Expand Up @@ -124,9 +124,8 @@ class TargetSubtargetInfo : public MCSubtargetInfo {

virtual const LegalizerInfo *getLegalizerInfo() const { return nullptr; }

/// getRegisterInfo - If register information is available, return it. If
/// not, return null.
virtual const TargetRegisterInfo *getRegisterInfo() const { return nullptr; }
/// Return the target's register information.
virtual const TargetRegisterInfo *getRegisterInfo() const = 0;

/// If the information for the register banks is available, return it.
/// Otherwise return nullptr.
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5 changes: 1 addition & 4 deletions llvm/lib/CodeGen/MachineFunction.cpp
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Expand Up @@ -189,10 +189,7 @@ void MachineFunction::init() {
// Assume the function starts in SSA form with correct liveness.
Properties.set(MachineFunctionProperties::Property::IsSSA);
Properties.set(MachineFunctionProperties::Property::TracksLiveness);
if (STI->getRegisterInfo())
RegInfo = new (Allocator) MachineRegisterInfo(this);
else
RegInfo = nullptr;
RegInfo = new (Allocator) MachineRegisterInfo(this);

MFInfo = nullptr;

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