llvm-project/llvm/lib/Target/RISCV/RISCVCombine.td
Craig Topper fcacda899f [RISCV] Remove constant_fold_cast_op from RISCVPostLegalizerCombiner.
This is no longer tested after other recent changes. AArch64 does
have this in their PostLegalizerCombiner.
2024-11-12 23:28:48 -08:00

30 lines
1.0 KiB
TableGen

//=- RISCVCombine.td - Define RISC-V Combine Rules -----------*- tablegen -*-=//
//
// 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
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
include "llvm/Target/GlobalISel/Combine.td"
def RISCVPreLegalizerCombiner: GICombiner<
"RISCVPreLegalizerCombinerImpl", [all_combines]> {
}
def RISCVO0PreLegalizerCombiner: GICombiner<
"RISCVO0PreLegalizerCombinerImpl", [optnone_combines]> {
}
// Post-legalization combines which are primarily optimizations.
// TODO: Add more combines.
def RISCVPostLegalizerCombiner
: GICombiner<"RISCVPostLegalizerCombinerImpl",
[sub_to_add, combines_for_extload, redundant_and,
identity_combines, shift_immed_chain,
commute_constant_to_rhs]> {
}