aboutsummaryrefslogtreecommitdiffstats
path: root/include/llvm/Support/ConstantFolder.h
blob: 4aad952aaca1c771350801040a9dfb2dbc38edfa (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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
//===-- llvm/Support/ConstantFolder.h - Constant folding helper -*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the ConstantFolder class, a helper for IRBuilder.
// It provides IRBuilder with a set of methods for creating constants
// with minimal folding.  For general constant creation and folding,
// use ConstantExpr and the routines in llvm/Analysis/ConstantFolding.h.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_SUPPORT_CONSTANTFOLDER_H
#define LLVM_SUPPORT_CONSTANTFOLDER_H

#include "llvm/IR/Constants.h"
#include "llvm/IR/InstrTypes.h"

namespace llvm {

/// ConstantFolder - Create constants with minimum, target independent, folding.
class ConstantFolder {
public:
  explicit ConstantFolder() {}

  //===--------------------------------------------------------------------===//
  // Binary Operators
  //===--------------------------------------------------------------------===//

  Constant *CreateAdd(Constant *LHS, Constant *RHS,
                      bool HasNUW = false, bool HasNSW = false) const {
    return ConstantExpr::getAdd(LHS, RHS, HasNUW, HasNSW);
  }
  Constant *CreateFAdd(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getFAdd(LHS, RHS);
  }
  Constant *CreateSub(Constant *LHS, Constant *RHS,
                      bool HasNUW = false, bool HasNSW = false) const {
    return ConstantExpr::getSub(LHS, RHS, HasNUW, HasNSW);
  }
  Constant *CreateFSub(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getFSub(LHS, RHS);
  }
  Constant *CreateMul(Constant *LHS, Constant *RHS,
                      bool HasNUW = false, bool HasNSW = false) const {
    return ConstantExpr::getMul(LHS, RHS, HasNUW, HasNSW);
  }
  Constant *CreateFMul(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getFMul(LHS, RHS);
  }
  Constant *CreateUDiv(Constant *LHS, Constant *RHS,
                       bool isExact = false) const {
    return ConstantExpr::getUDiv(LHS, RHS, isExact);
  }
  Constant *CreateSDiv(Constant *LHS, Constant *RHS,
                       bool isExact = false) const {
    return ConstantExpr::getSDiv(LHS, RHS, isExact);
  }
  Constant *CreateFDiv(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getFDiv(LHS, RHS);
  }
  Constant *CreateURem(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getURem(LHS, RHS);
  }
  Constant *CreateSRem(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getSRem(LHS, RHS);
  }
  Constant *CreateFRem(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getFRem(LHS, RHS);
  }
  Constant *CreateShl(Constant *LHS, Constant *RHS,
                      bool HasNUW = false, bool HasNSW = false) const {
    return ConstantExpr::getShl(LHS, RHS, HasNUW, HasNSW);
  }
  Constant *CreateLShr(Constant *LHS, Constant *RHS,
                       bool isExact = false) const {
    return ConstantExpr::getLShr(LHS, RHS, isExact);
  }
  Constant *CreateAShr(Constant *LHS, Constant *RHS,
                       bool isExact = false) const {
    return ConstantExpr::getAShr(LHS, RHS, isExact);
  }
  Constant *CreateAnd(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getAnd(LHS, RHS);
  }
  Constant *CreateOr(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getOr(LHS, RHS);
  }
  Constant *CreateXor(Constant *LHS, Constant *RHS) const {
    return ConstantExpr::getXor(LHS, RHS);
  }

  Constant *CreateBinOp(Instruction::BinaryOps Opc,
                        Constant *LHS, Constant *RHS) const {
    return ConstantExpr::get(Opc, LHS, RHS);
  }

  //===--------------------------------------------------------------------===//
  // Unary Operators
  //===--------------------------------------------------------------------===//

  Constant *CreateNeg(Constant *C,
                      bool HasNUW = false, bool HasNSW = false) const {
    return ConstantExpr::getNeg(C, HasNUW, HasNSW);
  }
  Constant *CreateFNeg(Constant *C) const {
    return ConstantExpr::getFNeg(C);
  }
  Constant *CreateNot(Constant *C) const {
    return ConstantExpr::getNot(C);
  }

  //===--------------------------------------------------------------------===//
  // Memory Instructions
  //===--------------------------------------------------------------------===//

  Constant *CreateGetElementPtr(Constant *C,
                                ArrayRef<Constant *> IdxList) const {
    return ConstantExpr::getGetElementPtr(C, IdxList);
  }
  Constant *CreateGetElementPtr(Constant *C, Constant *Idx) const {
    // This form of the function only exists to avoid ambiguous overload
    // warnings about whether to convert Idx to ArrayRef<Constant *> or
    // ArrayRef<Value *>.
    return ConstantExpr::getGetElementPtr(C, Idx);
  }
  Constant *CreateGetElementPtr(Constant *C,
                                ArrayRef<Value *> IdxList) const {
    return ConstantExpr::getGetElementPtr(C, IdxList);
  }

  Constant *CreateInBoundsGetElementPtr(Constant *C,
                                        ArrayRef<Constant *> IdxList) const {
    return ConstantExpr::getInBoundsGetElementPtr(C, IdxList);
  }
  Constant *CreateInBoundsGetElementPtr(Constant *C, Constant *Idx) const {
    // This form of the function only exists to avoid ambiguous overload
    // warnings about whether to convert Idx to ArrayRef<Constant *> or
    // ArrayRef<Value *>.
    return ConstantExpr::getInBoundsGetElementPtr(C, Idx);
  }
  Constant *CreateInBoundsGetElementPtr(Constant *C,
                                        ArrayRef<Value *> IdxList) const {
    return ConstantExpr::getInBoundsGetElementPtr(C, IdxList);
  }

  //===--------------------------------------------------------------------===//
  // Cast/Conversion Operators
  //===--------------------------------------------------------------------===//

  Constant *CreateCast(Instruction::CastOps Op, Constant *C,
                       Type *DestTy) const {
    return ConstantExpr::getCast(Op, C, DestTy);
  }
  Constant *CreatePointerCast(Constant *C, Type *DestTy) const {
    return ConstantExpr::getPointerCast(C, DestTy);
  }
  Constant *CreateIntCast(Constant *C, Type *DestTy,
                          bool isSigned) const {
    return ConstantExpr::getIntegerCast(C, DestTy, isSigned);
  }
  Constant *CreateFPCast(Constant *C, Type *DestTy) const {
    return ConstantExpr::getFPCast(C, DestTy);
  }

  Constant *CreateBitCast(Constant *C, Type *DestTy) const {
    return CreateCast(Instruction::BitCast, C, DestTy);
  }
  Constant *CreateIntToPtr(Constant *C, Type *DestTy) const {
    return CreateCast(Instruction::IntToPtr, C, DestTy);
  }
  Constant *CreatePtrToInt(Constant *C, Type *DestTy) const {
    return CreateCast(Instruction::PtrToInt, C, DestTy);
  }
  Constant *CreateZExtOrBitCast(Constant *C, Type *DestTy) const {
    return ConstantExpr::getZExtOrBitCast(C, DestTy);
  }
  Constant *CreateSExtOrBitCast(Constant *C, Type *DestTy) const {
    return ConstantExpr::getSExtOrBitCast(C, DestTy);
  }

  Constant *CreateTruncOrBitCast(Constant *C, Type *DestTy) const {
    return ConstantExpr::getTruncOrBitCast(C, DestTy);
  }

  //===--------------------------------------------------------------------===//
  // Compare Instructions
  //===--------------------------------------------------------------------===//

  Constant *CreateICmp(CmpInst::Predicate P, Constant *LHS,
                       Constant *RHS) const {
    return ConstantExpr::getCompare(P, LHS, RHS);
  }
  Constant *CreateFCmp(CmpInst::Predicate P, Constant *LHS,
                       Constant *RHS) const {
    return ConstantExpr::getCompare(P, LHS, RHS);
  }

  //===--------------------------------------------------------------------===//
  // Other Instructions
  //===--------------------------------------------------------------------===//

  Constant *CreateSelect(Constant *C, Constant *True, Constant *False) const {
    return ConstantExpr::getSelect(C, True, False);
  }

  Constant *CreateExtractElement(Constant *Vec, Constant *Idx) const {
    return ConstantExpr::getExtractElement(Vec, Idx);
  }

  Constant *CreateInsertElement(Constant *Vec, Constant *NewElt,
                                Constant *Idx) const {
    return ConstantExpr::getInsertElement(Vec, NewElt, Idx);
  }

  Constant *CreateShuffleVector(Constant *V1, Constant *V2,
                                Constant *Mask) const {
    return ConstantExpr::getShuffleVector(V1, V2, Mask);
  }

  Constant *CreateExtractValue(Constant *Agg,
                               ArrayRef<unsigned> IdxList) const {
    return ConstantExpr::getExtractValue(Agg, IdxList);
  }

  Constant *CreateInsertValue(Constant *Agg, Constant *Val,
                              ArrayRef<unsigned> IdxList) const {
    return ConstantExpr::getInsertValue(Agg, Val, IdxList);
  }
};

}

#endif