| //===-- llvm/CodeGen/MachineCombinerPattern.h - Instruction pattern supported by |
| // combiner ------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines instruction pattern supported by combiner |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CODEGEN_MACHINECOMBINERPATTERN_H |
| #define LLVM_CODEGEN_MACHINECOMBINERPATTERN_H |
| |
| namespace llvm { |
| |
| /// These are instruction patterns matched by the machine combiner pass. |
| enum class MachineCombinerPattern { |
| // These are commutative variants for reassociating a computation chain. See |
| // the comments before getMachineCombinerPatterns() in TargetInstrInfo.cpp. |
| REASSOC_AX_BY, |
| REASSOC_AX_YB, |
| REASSOC_XA_BY, |
| REASSOC_XA_YB, |
| |
| // These are multiply-add patterns matched by the AArch64 machine combiner. |
| MULADDW_OP1, |
| MULADDW_OP2, |
| MULSUBW_OP1, |
| MULSUBW_OP2, |
| MULADDWI_OP1, |
| MULSUBWI_OP1, |
| MULADDX_OP1, |
| MULADDX_OP2, |
| MULSUBX_OP1, |
| MULSUBX_OP2, |
| MULADDXI_OP1, |
| MULSUBXI_OP1 |
| }; |
| |
| } // end namespace llvm |
| |
| #endif |
