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" 16 #include "llvm/Support/Format.h" 17 #include "llvm/Support/raw_ostream.h" 18 19 using namespace llvm; 20 21 void BranchProbability::print(raw_ostream &OS) const { 22 OS << N << " / " << D << " = " << format("%g%%", ((double)N / D) * 100.0); 23 } 24 25 void BranchProbability::dump() const { 26 dbgs() << *this << '\n'; 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 } 37
