code_generator_utils.h revision 0debae7bc89eb05f7a2bf7dccd223318fad7c88d 
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_COMPILER_OPTIMIZING_CODE_GENERATOR_UTILS_H_
18#define ART_COMPILER_OPTIMIZING_CODE_GENERATOR_UTILS_H_
19
20#include <cstdint>
21
22namespace art {
23
24class HInstruction;
25
26// Computes the magic number and the shift needed in the div/rem by constant algorithm, as out
27// arguments `magic` and `shift`
28void CalculateMagicAndShiftForDivRem(int64_t divisor, bool is_long, int64_t* magic, int* shift);
29
30// Returns true if `cond_input` is expected to have a location. Assumes that
31// `cond_input` is a conditional input of the currently emitted instruction and
32// that it has been previously visited by the InstructionCodeGenerator.
33bool IsBooleanValueOrMaterializedCondition(HInstruction* cond_input);
34
35}  // namespace art
36
37#endif  // ART_COMPILER_OPTIMIZING_CODE_GENERATOR_UTILS_H_
38