Andrew Trick | f289df2 | 2011-06-11 01:05:22 +0000 | [diff] [blame] | 1 | //===-------------- lib/Support/BranchProbability.cpp -----------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This file implements Branch Probability class. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "llvm/Support/BranchProbability.h" |
| 15 | #include "llvm/Support/Debug.h" |
Benjamin Kramer | 7102b61 | 2011-10-23 11:32:54 +0000 | [diff] [blame] | 16 | #include "llvm/Support/Format.h" |
Andrew Trick | f289df2 | 2011-06-11 01:05:22 +0000 | [diff] [blame] | 17 | #include "llvm/Support/raw_ostream.h" |
| 18 | |
| 19 | using namespace llvm; |
| 20 | |
Jakub Staszak | 15b3567 | 2011-07-25 22:27:42 +0000 | [diff] [blame] | 21 | void BranchProbability::print(raw_ostream &OS) const { |
Benjamin Kramer | 7102b61 | 2011-10-23 11:32:54 +0000 | [diff] [blame] | 22 | OS << N << " / " << D << " = " << format("%g%%", ((double)N / D) * 100.0); |
Andrew Trick | f289df2 | 2011-06-11 01:05:22 +0000 | [diff] [blame] | 23 | } |
| 24 | |
| 25 | void BranchProbability::dump() const { |
Benjamin Kramer | 7102b61 | 2011-10-23 11:32:54 +0000 | [diff] [blame] | 26 | dbgs() << *this << '\n'; |
Andrew Trick | f289df2 | 2011-06-11 01:05:22 +0000 | [diff] [blame] | 27 | } |
| 28 | |
| 29 | namespace llvm { |
| 30 | |
| 31 | raw_ostream &operator<<(raw_ostream &OS, const BranchProbability &Prob) { |
| 32 | Prob.print(OS); |
| 33 | return OS; |
| 34 | } |
| 35 | |
| 36 | } |