blob: b703cbbd2b29928b11f3ec681f5354cc81010e74 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
//===-- 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
|
