10b57cec5SDimitry Andric //===-- X86ShuffleDecodeConstantPool.h - X86 shuffle decode -----*-C++-*---===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // Define several functions to decode x86 specific shuffle semantics using 100b57cec5SDimitry Andric // constants from the constant pool. 110b57cec5SDimitry Andric // 120b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 130b57cec5SDimitry Andric 140b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_X86_X86SHUFFLEDECODECONSTANTPOOL_H 150b57cec5SDimitry Andric #define LLVM_LIB_TARGET_X86_X86SHUFFLEDECODECONSTANTPOOL_H 160b57cec5SDimitry Andric 170b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 180b57cec5SDimitry Andric // Vector Mask Decoding 190b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 200b57cec5SDimitry Andric 210b57cec5SDimitry Andric namespace llvm { 220b57cec5SDimitry Andric class Constant; 23*5ffd83dbSDimitry Andric template <typename T> class SmallVectorImpl; 240b57cec5SDimitry Andric 250b57cec5SDimitry Andric /// Decode a PSHUFB mask from an IR-level vector constant. 260b57cec5SDimitry Andric void DecodePSHUFBMask(const Constant *C, unsigned Width, 270b57cec5SDimitry Andric SmallVectorImpl<int> &ShuffleMask); 280b57cec5SDimitry Andric 290b57cec5SDimitry Andric /// Decode a VPERMILP variable mask from an IR-level vector constant. 300b57cec5SDimitry Andric void DecodeVPERMILPMask(const Constant *C, unsigned ElSize, unsigned Width, 310b57cec5SDimitry Andric SmallVectorImpl<int> &ShuffleMask); 320b57cec5SDimitry Andric 330b57cec5SDimitry Andric /// Decode a VPERMILP2 variable mask from an IR-level vector constant. 34*5ffd83dbSDimitry Andric void DecodeVPERMIL2PMask(const Constant *C, unsigned M2Z, unsigned ElSize, 35*5ffd83dbSDimitry Andric unsigned Width, SmallVectorImpl<int> &ShuffleMask); 360b57cec5SDimitry Andric 370b57cec5SDimitry Andric /// Decode a VPPERM variable mask from an IR-level vector constant. 380b57cec5SDimitry Andric void DecodeVPPERMMask(const Constant *C, unsigned Width, 390b57cec5SDimitry Andric SmallVectorImpl<int> &ShuffleMask); 400b57cec5SDimitry Andric 410b57cec5SDimitry Andric } // llvm namespace 420b57cec5SDimitry Andric 430b57cec5SDimitry Andric #endif 44