| 1 | //===-------------------- IncrementalSourceMgr.cpp ------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | /// |
| 9 | /// \file |
| 10 | /// This file defines some implementations for IncrementalSourceMgr. |
| 11 | /// |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "llvm/MCA/IncrementalSourceMgr.h" |
| 15 | #ifndef NDEBUG |
| 16 | #include "llvm/Support/Format.h" |
| 17 | #endif |
| 18 | |
| 19 | using namespace llvm; |
| 20 | using namespace llvm::mca; |
| 21 | |
| 22 | void IncrementalSourceMgr::clear() { |
| 23 | Staging.clear(); |
| 24 | InstStorage.clear(); |
| 25 | TotalCounter = 0U; |
| 26 | EOS = false; |
| 27 | } |
| 28 | |
| 29 | void IncrementalSourceMgr::updateNext() { |
| 30 | ++TotalCounter; |
| 31 | Instruction *I = Staging.front(); |
| 32 | Staging.pop_front(); |
| 33 | I->reset(); |
| 34 | |
| 35 | if (InstFreedCB) |
| 36 | InstFreedCB(I); |
| 37 | } |
| 38 | |
| 39 | #ifndef NDEBUG |
| 40 | void IncrementalSourceMgr::printStatistic(raw_ostream &OS) { |
| 41 | unsigned MaxInstStorageSize = InstStorage.size(); |
| 42 | if (MaxInstStorageSize <= TotalCounter) { |
| 43 | auto Ratio = double(MaxInstStorageSize) / double(TotalCounter); |
| 44 | OS << "Cache ratio = "<< MaxInstStorageSize << " / "<< TotalCounter |
| 45 | << llvm::format(Fmt: " (%.2f%%)", Vals: (1.0 - Ratio) * 100.0) << "\n"; |
| 46 | } else { |
| 47 | OS << "Error: Number of created instructions " |
| 48 | << "are larger than the number of issued instructions\n"; |
| 49 | } |
| 50 | } |
| 51 | #endif |
| 52 |