1 //===-------------- lib/Support/BranchProbability.cpp -----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements Branch Probability class.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/Support/BranchProbability.h"
15 #include "llvm/Support/Debug.h"
16 #include "llvm/Support/raw_ostream.h"
20 BranchProbability::BranchProbability(uint32_t n, uint32_t d) {
21 assert(d > 0 && "Denomiator cannot be 0!");
22 assert(n <= d && "Probability cannot be bigger than 1!");
27 void BranchProbability::print(raw_ostream &OS) const {
28 OS << N << " / " << D << " = " << ((double)N / D);
31 void BranchProbability::dump() const {
38 raw_ostream &operator<<(raw_ostream &OS, const BranchProbability &Prob) {