//===-------------- VVPInstrInfo.td - VVP_* SDNode patterns ---------------===//
//
// 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 the VE Vector Predicated SDNodes (VVP SDNodes). VVP
// SDNodes are an intermediate isel layer between the vector SDNodes emitted by
// LLVM and the actual VE vector instructions. For example:
//
// ADD(x,y) --> VVP_ADD(x,y,mask,evl) --> VADDSWSXrvml(x,y,mask,evl)
// ^ ^ ^
// The standard The VVP layer SDNode. The VE vector instruction.
// SDNode.
//
// TODO explain how VVP nodes relate to VP SDNodes once VP ISel is uptream.
//===----------------------------------------------------------------------===//
// Binary Operators {
// BinaryOp(x,y,mask,vl)
def SDTIntBinOpVVP : SDTypeProfile<1, 4, [ // vp_add, vp_and, etc.
SDTCisSameAs<0, 1>,
SDTCisSameAs<0, 2>,
SDTCisInt<0>,
SDTCisSameNumEltsAs<0, 3>,
IsVLVT<4>
]>;
// Binary operator commutative pattern.
class vvp_commutative<SDNode RootOp> :
PatFrags<
(ops node:$lhs, node:$rhs, node:$mask, node:$vlen),
[(RootOp node:$lhs, node:$rhs, node:$mask, node:$vlen),
(RootOp node:$rhs, node:$lhs, node:$mask, node:$vlen)]>;
// VVP node definitions.
def vvp_add : SDNode<"VEISD::VVP_ADD", SDTIntBinOpVVP>;
def c_vvp_add : vvp_commutative<vvp_add>;
def vvp_and : SDNode<"VEISD::VVP_AND", SDTIntBinOpVVP>;
def c_vvp_and : vvp_commutative<vvp_and>;
// } Binary Operators
