forked from OSchip/llvm-project
Simon Pilgrim
parent
1dabfdcf6f
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b0bac23fcd
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//===-- X86ShuffleDecode.h - X86 shuffle decode logic -----------*-C++-*---===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Define several functions to decode x86 specific shuffle semantics into a
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// generic vector mask.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_X86_UTILS_X86SHUFFLEDECODE_H
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#define LLVM_LIB_TARGET_X86_UTILS_X86SHUFFLEDECODE_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/ArrayRef.h"
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//===----------------------------------------------------------------------===//
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// Vector Mask Decoding
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//===----------------------------------------------------------------------===//
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namespace llvm {
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class Constant;
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class MVT;
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enum { SM_SentinelUndef = -1, SM_SentinelZero = -2 };
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void DecodeINSERTPSMask(unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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// <3,1> or <6,7,2,3>
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void DecodeMOVHLPSMask(unsigned NElts, SmallVectorImpl<int> &ShuffleMask);
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// <0,2> or <0,1,4,5>
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void DecodeMOVLHPSMask(unsigned NElts, SmallVectorImpl<int> &ShuffleMask);
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void DecodeMOVSLDUPMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
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//===-- X86ShuffleDecode.h - X86 shuffle decode logic -----------*-C++-*---===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Define several functions to decode x86 specific shuffle semantics into a
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// generic vector mask.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_X86_UTILS_X86SHUFFLEDECODE_H
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#define LLVM_LIB_TARGET_X86_UTILS_X86SHUFFLEDECODE_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/ArrayRef.h"
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//===----------------------------------------------------------------------===//
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// Vector Mask Decoding
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//===----------------------------------------------------------------------===//
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namespace llvm {
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class Constant;
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class MVT;
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enum { SM_SentinelUndef = -1, SM_SentinelZero = -2 };
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void DecodeINSERTPSMask(unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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// <3,1> or <6,7,2,3>
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void DecodeMOVHLPSMask(unsigned NElts, SmallVectorImpl<int> &ShuffleMask);
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// <0,2> or <0,1,4,5>
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void DecodeMOVLHPSMask(unsigned NElts, SmallVectorImpl<int> &ShuffleMask);
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void DecodeMOVSLDUPMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
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void DecodeMOVSHDUPMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
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@ -45,48 +45,48 @@ void DecodeMOVDDUPMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
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void DecodePSLLDQMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodePSRLDQMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodePALIGNRMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodePSHUFMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodePSHUFHWMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodePSHUFLWMask(MVT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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/// DecodeSHUFPMask - This decodes the shuffle masks for shufp*. VT indicates
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/// the type of the vector allowing it to handle different datatypes and vector
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/// widths.
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void DecodeSHUFPMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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/// DecodeUNPCKHMask - This decodes the shuffle masks for unpckhps/unpckhpd
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/// and punpckh*. VT indicates the type of the vector allowing it to handle
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/// different datatypes and vector widths.
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void DecodeUNPCKHMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
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/// DecodeUNPCKLMask - This decodes the shuffle masks for unpcklps/unpcklpd
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/// and punpckl*. VT indicates the type of the vector allowing it to handle
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/// different datatypes and vector widths.
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void DecodeUNPCKLMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
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/// \brief Decode a PSHUFB mask from an IR-level vector constant.
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void DecodePSHUFBMask(const Constant *C, SmallVectorImpl<int> &ShuffleMask);
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/// \brief Decode a PSHUFB mask from a raw array of constants such as from
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/// BUILD_VECTOR.
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void DecodePSHUFBMask(ArrayRef<uint64_t> RawMask,
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SmallVectorImpl<int> &ShuffleMask);
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/// \brief Decode a BLEND immediate mask into a shuffle mask.
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void DecodeBLENDMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodeVPERM2X128Mask(MVT VT, unsigned Imm,
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SmallVectorImpl<int> &ShuffleMask);
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/// DecodeVPERMMask - this decodes the shuffle masks for VPERMQ/VPERMPD.
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/// No VT provided since it only works on 256-bit, 4 element vectors.
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void DecodeVPERMMask(unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodePALIGNRMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodePSHUFMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodePSHUFHWMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodePSHUFLWMask(MVT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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/// DecodeSHUFPMask - This decodes the shuffle masks for shufp*. VT indicates
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/// the type of the vector allowing it to handle different datatypes and vector
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/// widths.
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void DecodeSHUFPMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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/// DecodeUNPCKHMask - This decodes the shuffle masks for unpckhps/unpckhpd
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/// and punpckh*. VT indicates the type of the vector allowing it to handle
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/// different datatypes and vector widths.
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void DecodeUNPCKHMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
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/// DecodeUNPCKLMask - This decodes the shuffle masks for unpcklps/unpcklpd
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/// and punpckl*. VT indicates the type of the vector allowing it to handle
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/// different datatypes and vector widths.
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void DecodeUNPCKLMask(MVT VT, SmallVectorImpl<int> &ShuffleMask);
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/// \brief Decode a PSHUFB mask from an IR-level vector constant.
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void DecodePSHUFBMask(const Constant *C, SmallVectorImpl<int> &ShuffleMask);
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/// \brief Decode a PSHUFB mask from a raw array of constants such as from
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/// BUILD_VECTOR.
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void DecodePSHUFBMask(ArrayRef<uint64_t> RawMask,
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SmallVectorImpl<int> &ShuffleMask);
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/// \brief Decode a BLEND immediate mask into a shuffle mask.
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void DecodeBLENDMask(MVT VT, unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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void DecodeVPERM2X128Mask(MVT VT, unsigned Imm,
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SmallVectorImpl<int> &ShuffleMask);
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/// DecodeVPERMMask - this decodes the shuffle masks for VPERMQ/VPERMPD.
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/// No VT provided since it only works on 256-bit, 4 element vectors.
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void DecodeVPERMMask(unsigned Imm, SmallVectorImpl<int> &ShuffleMask);
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/// \brief Decode a VPERMILP variable mask from an IR-level vector constant.
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void DecodeVPERMILPMask(const Constant *C, SmallVectorImpl<int> &ShuffleMask);
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