NVPTX.h revision 7536ecf2916a6a986f0d328069e3a210f34d5ea7 
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 &);
65ModulePass *createGenericToNVVMPass();
66
67bool isImageOrSamplerVal(const Value *, const Module *);
68
69extern Target TheNVPTXTarget32;
70extern Target TheNVPTXTarget64;
71
72namespace NVPTX {
73enum DrvInterface {
74  NVCL,
75  CUDA,
76  TEST
77};
78
79// A field inside TSFlags needs a shift and a mask. The usage is
80// always as follows :
81// ((TSFlags & fieldMask) >> fieldShift)
82// The enum keeps the mask, the shift, and all valid values of the
83// field in one place.
84enum VecInstType {
85  VecInstTypeShift = 0,
86  VecInstTypeMask = 0xF,
87
88  VecNOP = 0,
89  VecLoad = 1,
90  VecStore = 2,
91  VecBuild = 3,
92  VecShuffle = 4,
93  VecExtract = 5,
94  VecInsert = 6,
95  VecDest = 7,
96  VecOther = 15
97};
98
99enum SimpleMove {
100  SimpleMoveMask = 0x10,
101  SimpleMoveShift = 4
102};
103enum LoadStore {
104  isLoadMask = 0x20,
105  isLoadShift = 5,
106  isStoreMask = 0x40,
107  isStoreShift = 6
108};
109
110namespace PTXLdStInstCode {
111enum AddressSpace {
112  GENERIC = 0,
113  GLOBAL = 1,
114  CONSTANT = 2,
115  SHARED = 3,
116  PARAM = 4,
117  LOCAL = 5
118};
119enum FromType {
120  Unsigned = 0,
121  Signed,
122  Float
123};
124enum VecType {
125  Scalar = 1,
126  V2 = 2,
127  V4 = 4
128};
129}
130}
131} // end namespace llvm;
132
133// Defines symbolic names for NVPTX registers.  This defines a mapping from
134// register name to register number.
135#define GET_REGINFO_ENUM
136#include "NVPTXGenRegisterInfo.inc"
137
138// Defines symbolic names for the NVPTX instructions.
139#define GET_INSTRINFO_ENUM
140#include "NVPTXGenInstrInfo.inc"
141
142#endif
143