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Differential D124193 Diff 424259 llvm/lib/Target/AMDGPU/SIPreAllocateWWMRegs.cpp

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Show First 20 Lines • Show All 142 Lines • ▼ Show 20 Lines	void SIPreAllocateWWMRegs::rewriteRegs(MachineFunction &MF) {
SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();		SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();

for (unsigned Reg : RegsToRewrite) {		for (unsigned Reg : RegsToRewrite) {
LIS->removeInterval(Reg);		LIS->removeInterval(Reg);

const Register PhysReg = VRM->getPhys(Reg);		const Register PhysReg = VRM->getPhys(Reg);
assert(PhysReg != 0);		assert(PhysReg != 0);

		// To be spilled/restored in the prologue/epilogue.
		arsenmUnsubmitted Not Done Reply Inline Actions Drop this comment, it's not unconditionally true. The relevant problem is addressed in frame lowering arsenm: Drop this comment, it's not unconditionally true. The relevant problem is addressed in frame…
MFI->reserveWWMRegister(PhysReg);		MFI->reserveWWMRegister(PhysReg);
}		}

RegsToRewrite.clear();		RegsToRewrite.clear();

// Update the set of reserved registers to include WWM ones.		// Update the set of reserved registers to include WWM ones.
MRI->freezeReservedRegs(MF);		MRI->freezeReservedRegs(MF);
}		}
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