diff options
Diffstat (limited to 'include/llvm/CodeGen/TargetRegisterInfo.h')
| -rw-r--r-- | include/llvm/CodeGen/TargetRegisterInfo.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/include/llvm/CodeGen/TargetRegisterInfo.h b/include/llvm/CodeGen/TargetRegisterInfo.h index 0fbff3137653..ddbd677b3eaa 100644 --- a/include/llvm/CodeGen/TargetRegisterInfo.h +++ b/include/llvm/CodeGen/TargetRegisterInfo.h @@ -1,9 +1,8 @@ //==- CodeGen/TargetRegisterInfo.h - Target Register Information -*- C++ -*-==// // -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // @@ -521,6 +520,11 @@ public: /// function. Used by MachineRegisterInfo::isConstantPhysReg(). virtual bool isConstantPhysReg(unsigned PhysReg) const { return false; } + /// Returns true if the register class is considered divergent. + virtual bool isDivergentRegClass(const TargetRegisterClass *RC) const { + return false; + } + /// Physical registers that may be modified within a function but are /// guaranteed to be restored before any uses. This is useful for targets that /// have call sequences where a GOT register may be updated by the caller @@ -986,7 +990,7 @@ public: /// getFrameRegister - This method should return the register used as a base /// for values allocated in the current stack frame. - virtual unsigned getFrameRegister(const MachineFunction &MF) const = 0; + virtual Register getFrameRegister(const MachineFunction &MF) const = 0; /// Mark a register and all its aliases as reserved in the given set. void markSuperRegs(BitVector &RegisterSet, unsigned Reg) const; |