linux-packaging-mono/external/llvm-project/llvm/lib/Target/X86/X86ShuffleDecodeConstantPool.h
Xamarin Public Jenkins (auto-signing) 468663ddbb Imported Upstream version 6.10.0.49
Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
2020-01-16 16:38:04 +00:00

53 lines
2.0 KiB
C++

//===-- X86ShuffleDecodeConstantPool.h - X86 shuffle decode -----*-C++-*---===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Define several functions to decode x86 specific shuffle semantics using
// constants from the constant pool.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_X86_X86SHUFFLEDECODECONSTANTPOOL_H
#define LLVM_LIB_TARGET_X86_X86SHUFFLEDECODECONSTANTPOOL_H
#include "llvm/ADT/SmallVector.h"
//===----------------------------------------------------------------------===//
// Vector Mask Decoding
//===----------------------------------------------------------------------===//
namespace llvm {
class Constant;
class MVT;
/// Decode a PSHUFB mask from an IR-level vector constant.
void DecodePSHUFBMask(const Constant *C, SmallVectorImpl<int> &ShuffleMask);
/// Decode a VPERMILP variable mask from an IR-level vector constant.
void DecodeVPERMILPMask(const Constant *C, unsigned ElSize,
SmallVectorImpl<int> &ShuffleMask);
/// Decode a VPERMILP2 variable mask from an IR-level vector constant.
void DecodeVPERMIL2PMask(const Constant *C, unsigned MatchImm, unsigned ElSize,
SmallVectorImpl<int> &ShuffleMask);
/// Decode a VPPERM variable mask from an IR-level vector constant.
void DecodeVPPERMMask(const Constant *C, SmallVectorImpl<int> &ShuffleMask);
/// Decode a VPERM W/D/Q/PS/PD mask from an IR-level vector constant.
void DecodeVPERMVMask(const Constant *C, unsigned ElSize,
SmallVectorImpl<int> &ShuffleMask);
/// Decode a VPERMT2 W/D/Q/PS/PD mask from an IR-level vector constant.
void DecodeVPERMV3Mask(const Constant *C, unsigned ElSize,
SmallVectorImpl<int> &ShuffleMask);
} // llvm namespace
#endif