xref: /aosp_15_r20/external/tensorflow/tensorflow/compiler/xla/mlir_hlo/include/mlir-hlo/utils/codegen_utils.h (revision b6fb3261f9314811a0f4371741dbb8839866f948)
1 #ifndef MLIR_HLO_UTILS_CODEGEN_UTILS_H
2 #define MLIR_HLO_UTILS_CODEGEN_UTILS_H
3 
4 /* Copyright 2021 The TensorFlow Authors. All Rights Reserved.
5 
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
9 
10     http://www.apache.org/licenses/LICENSE-2.0
11 
12 Unless required by applicable law or agreed to in writing, software
13 distributed under the License is distributed on an "AS IS" BASIS,
14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 See the License for the specific language governing permissions and
16 limitations under the License.
17 ==============================================================================*/
18 
19 #include "llvm/ADT/SmallVector.h"
20 #include "llvm/ADT/StringRef.h"
21 #include "mlir/Dialect/LLVMIR/LLVMDialect.h"
22 #include "mlir/IR/MLIRContext.h"  // TF:llvm-project
23 
24 #ifndef TENSORFLOW_COMPILER_MLIR_HLO_INCLUDE_MLIR_HLO_UTILS_CODEGEN_UTILS_H_
25 #define TENSORFLOW_COMPILER_MLIR_HLO_INCLUDE_MLIR_HLO_UTILS_CODEGEN_UTILS_H_
26 
27 namespace mlir {
28 class Value;
29 class ValueRange;
30 class OpBuilder;
31 class Location;
32 class Operation;
33 namespace codegen_utils {
34 
35 Value emitNumElementsComputation(OpBuilder& b, Location loc, Operation* op);
36 Value emitNumElementsComputation(OpBuilder& b, Location loc, Value memref);
37 
38 llvm::SmallVector<Value> calcMultiDimIndex(OpBuilder& b, Location loc,
39                                            Value linearIndex, Value memref);
40 
41 llvm::SmallVector<Value> calcMultiDimIndex(OpBuilder& b, Location loc,
42                                            Value linearIndex,
43                                            llvm::ArrayRef<Value> shape);
44 
45 }  // namespace codegen_utils
46 }  // namespace mlir
47 
48 #endif  // TENSORFLOW_COMPILER_MLIR_HLO_INCLUDE_MLIR_HLO_UTILS_CODEGEN_UTILS_H_
49 
50 #endif
51