diff options
Diffstat (limited to 'include/llvm/MC/MCSchedule.h')
| -rw-r--r-- | include/llvm/MC/MCSchedule.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/llvm/MC/MCSchedule.h b/include/llvm/MC/MCSchedule.h index 689ac73cbdd1..df3248ee6e86 100644 --- a/include/llvm/MC/MCSchedule.h +++ b/include/llvm/MC/MCSchedule.h @@ -1,9 +1,8 @@ //===-- llvm/MC/MCSchedule.h - Scheduling -----------------------*- 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 // //===----------------------------------------------------------------------===// // @@ -15,6 +14,7 @@ #ifndef LLVM_MC_MCSCHEDULE_H #define LLVM_MC_MCSCHEDULE_H +#include "llvm/ADT/ArrayRef.h" #include "llvm/ADT/Optional.h" #include "llvm/Config/llvm-config.h" #include "llvm/Support/DataTypes.h" @@ -370,6 +370,11 @@ struct MCSchedModel { getReciprocalThroughput(const MCSubtargetInfo &STI, const MCInstrInfo &MCII, const MCInst &Inst) const; + /// Returns the maximum forwarding delay for register reads dependent on + /// writes of scheduling class WriteResourceIdx. + static unsigned getForwardingDelayCycles(ArrayRef<MCReadAdvanceEntry> Entries, + unsigned WriteResourceIdx = 0); + /// Returns the default initialized model. static const MCSchedModel &GetDefaultSchedModel() { return Default; } static const MCSchedModel Default; |