- //===-- llvm/CodeGen/MachineCombinerPattern.h - Instruction pattern supported by 
- // combiner  ------*- C++ -*-===// 
- // 
- // 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 
- // 
- //===----------------------------------------------------------------------===// 
- // 
- // 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 patterns matched by the PowerPC to reassociate FMA chains. 
-   REASSOC_XY_AMM_BMM, 
-   REASSOC_XMM_AMM_BMM, 
-   
-   // These are patterns matched by the PowerPC to reassociate FMA and FSUB to 
-   // reduce register pressure. 
-   REASSOC_XY_BCA, 
-   REASSOC_XY_BAC, 
-   
-   // These are patterns used to reduce the length of dependence chain. 
-   SUBADD_OP1, 
-   SUBADD_OP2, 
-   
-   // 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, 
-   // NEON integers vectors 
-   MULADDv8i8_OP1, 
-   MULADDv8i8_OP2, 
-   MULADDv16i8_OP1, 
-   MULADDv16i8_OP2, 
-   MULADDv4i16_OP1, 
-   MULADDv4i16_OP2, 
-   MULADDv8i16_OP1, 
-   MULADDv8i16_OP2, 
-   MULADDv2i32_OP1, 
-   MULADDv2i32_OP2, 
-   MULADDv4i32_OP1, 
-   MULADDv4i32_OP2, 
-   
-   MULSUBv8i8_OP1, 
-   MULSUBv8i8_OP2, 
-   MULSUBv16i8_OP1, 
-   MULSUBv16i8_OP2, 
-   MULSUBv4i16_OP1, 
-   MULSUBv4i16_OP2, 
-   MULSUBv8i16_OP1, 
-   MULSUBv8i16_OP2, 
-   MULSUBv2i32_OP1, 
-   MULSUBv2i32_OP2, 
-   MULSUBv4i32_OP1, 
-   MULSUBv4i32_OP2, 
-   
-   MULADDv4i16_indexed_OP1, 
-   MULADDv4i16_indexed_OP2, 
-   MULADDv8i16_indexed_OP1, 
-   MULADDv8i16_indexed_OP2, 
-   MULADDv2i32_indexed_OP1, 
-   MULADDv2i32_indexed_OP2, 
-   MULADDv4i32_indexed_OP1, 
-   MULADDv4i32_indexed_OP2, 
-   
-   MULSUBv4i16_indexed_OP1, 
-   MULSUBv4i16_indexed_OP2, 
-   MULSUBv8i16_indexed_OP1, 
-   MULSUBv8i16_indexed_OP2, 
-   MULSUBv2i32_indexed_OP1, 
-   MULSUBv2i32_indexed_OP2, 
-   MULSUBv4i32_indexed_OP1, 
-   MULSUBv4i32_indexed_OP2, 
-   
-   // Floating Point 
-   FMULADDH_OP1, 
-   FMULADDH_OP2, 
-   FMULSUBH_OP1, 
-   FMULSUBH_OP2, 
-   FMULADDS_OP1, 
-   FMULADDS_OP2, 
-   FMULSUBS_OP1, 
-   FMULSUBS_OP2, 
-   FMULADDD_OP1, 
-   FMULADDD_OP2, 
-   FMULSUBD_OP1, 
-   FMULSUBD_OP2, 
-   FNMULSUBH_OP1, 
-   FNMULSUBS_OP1, 
-   FNMULSUBD_OP1, 
-   FMLAv1i32_indexed_OP1, 
-   FMLAv1i32_indexed_OP2, 
-   FMLAv1i64_indexed_OP1, 
-   FMLAv1i64_indexed_OP2, 
-   FMLAv4f16_OP1, 
-   FMLAv4f16_OP2, 
-   FMLAv8f16_OP1, 
-   FMLAv8f16_OP2, 
-   FMLAv2f32_OP2, 
-   FMLAv2f32_OP1, 
-   FMLAv2f64_OP1, 
-   FMLAv2f64_OP2, 
-   FMLAv4i16_indexed_OP1, 
-   FMLAv4i16_indexed_OP2, 
-   FMLAv8i16_indexed_OP1, 
-   FMLAv8i16_indexed_OP2, 
-   FMLAv2i32_indexed_OP1, 
-   FMLAv2i32_indexed_OP2, 
-   FMLAv2i64_indexed_OP1, 
-   FMLAv2i64_indexed_OP2, 
-   FMLAv4f32_OP1, 
-   FMLAv4f32_OP2, 
-   FMLAv4i32_indexed_OP1, 
-   FMLAv4i32_indexed_OP2, 
-   FMLSv1i32_indexed_OP2, 
-   FMLSv1i64_indexed_OP2, 
-   FMLSv4f16_OP1, 
-   FMLSv4f16_OP2, 
-   FMLSv8f16_OP1, 
-   FMLSv8f16_OP2, 
-   FMLSv2f32_OP1, 
-   FMLSv2f32_OP2, 
-   FMLSv2f64_OP1, 
-   FMLSv2f64_OP2, 
-   FMLSv4i16_indexed_OP1, 
-   FMLSv4i16_indexed_OP2, 
-   FMLSv8i16_indexed_OP1, 
-   FMLSv8i16_indexed_OP2, 
-   FMLSv2i32_indexed_OP1, 
-   FMLSv2i32_indexed_OP2, 
-   FMLSv2i64_indexed_OP1, 
-   FMLSv2i64_indexed_OP2, 
-   FMLSv4f32_OP1, 
-   FMLSv4f32_OP2, 
-   FMLSv4i32_indexed_OP1, 
-   FMLSv4i32_indexed_OP2, 
-   
-   FMULv2i32_indexed_OP1, 
-   FMULv2i32_indexed_OP2, 
-   FMULv2i64_indexed_OP1, 
-   FMULv2i64_indexed_OP2, 
-   FMULv4i16_indexed_OP1, 
-   FMULv4i16_indexed_OP2, 
-   FMULv4i32_indexed_OP1, 
-   FMULv4i32_indexed_OP2, 
-   FMULv8i16_indexed_OP1, 
-   FMULv8i16_indexed_OP2, 
-   
-   // RISCV FMADD, FMSUB, FNMSUB patterns 
-   FMADD_AX, 
-   FMADD_XA, 
-   FMSUB, 
-   FNMSUB, 
- }; 
-   
- } // end namespace llvm 
-   
- #endif 
-