NVPTX.h revision 249423 
1//===-- NVPTX.h - Top-level interface for NVPTX representation --*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains the entry points for global functions defined in
11// the LLVM NVPTX back-end.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef LLVM_TARGET_NVPTX_H
16#define LLVM_TARGET_NVPTX_H
17
18#include "MCTargetDesc/NVPTXBaseInfo.h"
19#include "llvm/IR/Module.h"
20#include "llvm/IR/Value.h"
21#include "llvm/Support/ErrorHandling.h"
22#include "llvm/Target/TargetMachine.h"
23#include <cassert>
24#include <iosfwd>
25
26namespace llvm {
27class NVPTXTargetMachine;
28class FunctionPass;
29class formatted_raw_ostream;
30
31namespace NVPTXCC {
32enum CondCodes {
33  EQ,
34  NE,
35  LT,
36  LE,
37  GT,
38  GE
39};
40}
41
42inline static const char *NVPTXCondCodeToString(NVPTXCC::CondCodes CC) {
43  switch (CC) {
44  case NVPTXCC::NE:
45    return "ne";
46  case NVPTXCC::EQ:
47    return "eq";
48  case NVPTXCC::LT:
49    return "lt";
50  case NVPTXCC::LE:
51    return "le";
52  case NVPTXCC::GT:
53    return "gt";
54  case NVPTXCC::GE:
55    return "ge";
56  }
57  llvm_unreachable("Unknown condition code");
58}
59
60FunctionPass *
61createNVPTXISelDag(NVPTXTargetMachine &TM, llvm::CodeGenOpt::Level OptLevel);
62FunctionPass *createLowerStructArgsPass(NVPTXTargetMachine &);
63FunctionPass *createNVPTXReMatPass(NVPTXTargetMachine &);
64FunctionPass *createNVPTXReMatBlockPass(NVPTXTargetMachine &);
65
66bool isImageOrSamplerVal(const Value *, const Module *);
67
68extern Target TheNVPTXTarget32;
69extern Target TheNVPTXTarget64;
70
71namespace NVPTX {
72enum DrvInterface {
73  NVCL,
74  CUDA,
75  TEST
76};
77
78// A field inside TSFlags needs a shift and a mask. The usage is
79// always as follows :
80// ((TSFlags & fieldMask) >> fieldShift)
81// The enum keeps the mask, the shift, and all valid values of the
82// field in one place.
83enum VecInstType {
84  VecInstTypeShift = 0,
85  VecInstTypeMask = 0xF,
86
87  VecNOP = 0,
88  VecLoad = 1,
89  VecStore = 2,
90  VecBuild = 3,
91  VecShuffle = 4,
92  VecExtract = 5,
93  VecInsert = 6,
94  VecDest = 7,
95  VecOther = 15
96};
97
98enum SimpleMove {
99  SimpleMoveMask = 0x10,
100  SimpleMoveShift = 4
101};
102enum LoadStore {
103  isLoadMask = 0x20,
104  isLoadShift = 5,
105  isStoreMask = 0x40,
106  isStoreShift = 6
107};
108
109namespace PTXLdStInstCode {
110enum AddressSpace {
111  GENERIC = 0,
112  GLOBAL = 1,
113  CONSTANT = 2,
114  SHARED = 3,
115  PARAM = 4,
116  LOCAL = 5
117};
118enum FromType {
119  Unsigned = 0,
120  Signed,
121  Float
122};
123enum VecType {
124  Scalar = 1,
125  V2 = 2,
126  V4 = 4
127};
128}
129}
130} // end namespace llvm;
131
132// Defines symbolic names for NVPTX registers.  This defines a mapping from
133// register name to register number.
134#define GET_REGINFO_ENUM
135#include "NVPTXGenRegisterInfo.inc"
136
137// Defines symbolic names for the NVPTX instructions.
138#define GET_INSTRINFO_ENUM
139#include "NVPTXGenInstrInfo.inc"
140
141#endif
142