aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/llvm12/include/llvm/IR/ConstantFolder.h
blob: a3c83249bb8360e05fffc45a64fc60164a8213d7 (plain) (blame)
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
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
#pragma once

#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif

//===- ConstantFolder.h - Constant folding helper ---------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// 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_IR_CONSTANTFOLDER_H
#define LLVM_IR_CONSTANTFOLDER_H

#include "llvm/ADT/ArrayRef.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/IRBuilderFolder.h"

namespace llvm {

/// ConstantFolder - Create constants with minimum, target independent, folding.
class ConstantFolder final : public IRBuilderFolder {
  virtual void anchor();

public:
  explicit ConstantFolder() = default;

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

  Constant *CreateAdd(Constant *LHS, Constant *RHS,
                      bool HasNUW = false, bool HasNSW = false) const override {
    return ConstantExpr::getAdd(LHS, RHS, HasNUW, HasNSW);
  }

  Constant *CreateFAdd(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getFAdd(LHS, RHS);
  }

  Constant *CreateSub(Constant *LHS, Constant *RHS,
                      bool HasNUW = false, bool HasNSW = false) const override {
    return ConstantExpr::getSub(LHS, RHS, HasNUW, HasNSW);
  }

  Constant *CreateFSub(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getFSub(LHS, RHS);
  }

  Constant *CreateMul(Constant *LHS, Constant *RHS,
                      bool HasNUW = false, bool HasNSW = false) const override {
    return ConstantExpr::getMul(LHS, RHS, HasNUW, HasNSW);
  }

  Constant *CreateFMul(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getFMul(LHS, RHS);
  }

  Constant *CreateUDiv(Constant *LHS, Constant *RHS,
                               bool isExact = false) const override {
    return ConstantExpr::getUDiv(LHS, RHS, isExact);
  }

  Constant *CreateSDiv(Constant *LHS, Constant *RHS,
                               bool isExact = false) const override {
    return ConstantExpr::getSDiv(LHS, RHS, isExact);
  }

  Constant *CreateFDiv(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getFDiv(LHS, RHS);
  }

  Constant *CreateURem(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getURem(LHS, RHS);
  }

  Constant *CreateSRem(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getSRem(LHS, RHS);
  }

  Constant *CreateFRem(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getFRem(LHS, RHS);
  }

  Constant *CreateShl(Constant *LHS, Constant *RHS,
                      bool HasNUW = false, bool HasNSW = false) const override {
    return ConstantExpr::getShl(LHS, RHS, HasNUW, HasNSW);
  }

  Constant *CreateLShr(Constant *LHS, Constant *RHS,
                       bool isExact = false) const override {
    return ConstantExpr::getLShr(LHS, RHS, isExact);
  }

  Constant *CreateAShr(Constant *LHS, Constant *RHS,
                       bool isExact = false) const override {
    return ConstantExpr::getAShr(LHS, RHS, isExact);
  }

  Constant *CreateAnd(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getAnd(LHS, RHS);
  }

  Constant *CreateOr(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getOr(LHS, RHS);
  }

  Constant *CreateXor(Constant *LHS, Constant *RHS) const override {
    return ConstantExpr::getXor(LHS, RHS);
  }

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

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

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

  Constant *CreateFNeg(Constant *C) const override {
    return ConstantExpr::getFNeg(C);
  }

  Constant *CreateNot(Constant *C) const override {
    return ConstantExpr::getNot(C);
  }

  Constant *CreateUnOp(Instruction::UnaryOps Opc, Constant *C) const override {
    return ConstantExpr::get(Opc, C);
  }

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

  Constant *CreateGetElementPtr(Type *Ty, Constant *C,
                                ArrayRef<Constant *> IdxList) const override {
    return ConstantExpr::getGetElementPtr(Ty, C, IdxList);
  }

  Constant *CreateGetElementPtr(Type *Ty, Constant *C,
                                Constant *Idx) const override {
    // 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(Ty, C, Idx);
  }

  Constant *CreateGetElementPtr(Type *Ty, Constant *C,
                                ArrayRef<Value *> IdxList) const override {
    return ConstantExpr::getGetElementPtr(Ty, C, IdxList);
  }

  Constant *CreateInBoundsGetElementPtr(
      Type *Ty, Constant *C, ArrayRef<Constant *> IdxList) const override {
    return ConstantExpr::getInBoundsGetElementPtr(Ty, C, IdxList);
  }

  Constant *CreateInBoundsGetElementPtr(Type *Ty, Constant *C,
                                        Constant *Idx) const override {
    // 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(Ty, C, Idx);
  }

  Constant *CreateInBoundsGetElementPtr(
      Type *Ty, Constant *C, ArrayRef<Value *> IdxList) const override {
    return ConstantExpr::getInBoundsGetElementPtr(Ty, C, IdxList);
  }

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

  Constant *CreateCast(Instruction::CastOps Op, Constant *C,
                       Type *DestTy) const override {
    return ConstantExpr::getCast(Op, C, DestTy);
  }

  Constant *CreatePointerCast(Constant *C, Type *DestTy) const override {
    return ConstantExpr::getPointerCast(C, DestTy);
  }

  Constant *CreatePointerBitCastOrAddrSpaceCast(Constant *C,
                                                Type *DestTy) const override {
    return ConstantExpr::getPointerBitCastOrAddrSpaceCast(C, DestTy);
  }

  Constant *CreateIntCast(Constant *C, Type *DestTy,
                          bool isSigned) const override {
    return ConstantExpr::getIntegerCast(C, DestTy, isSigned);
  }

  Constant *CreateFPCast(Constant *C, Type *DestTy) const override {
    return ConstantExpr::getFPCast(C, DestTy);
  }

  Constant *CreateBitCast(Constant *C, Type *DestTy) const override {
    return CreateCast(Instruction::BitCast, C, DestTy);
  }

  Constant *CreateIntToPtr(Constant *C, Type *DestTy) const override {
    return CreateCast(Instruction::IntToPtr, C, DestTy);
  }

  Constant *CreatePtrToInt(Constant *C, Type *DestTy) const override {
    return CreateCast(Instruction::PtrToInt, C, DestTy);
  }

  Constant *CreateZExtOrBitCast(Constant *C, Type *DestTy) const override {
    return ConstantExpr::getZExtOrBitCast(C, DestTy);
  }

  Constant *CreateSExtOrBitCast(Constant *C, Type *DestTy) const override {
    return ConstantExpr::getSExtOrBitCast(C, DestTy);
  }

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

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

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

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

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

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

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

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

  Constant *CreateShuffleVector(Constant *V1, Constant *V2,
                                ArrayRef<int> Mask) const override {
    return ConstantExpr::getShuffleVector(V1, V2, Mask);
  }

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

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

} // end namespace llvm

#endif // LLVM_IR_CONSTANTFOLDER_H

#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif