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//===-------------- lib/Support/BranchProbability.cpp -----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements Branch Probability class.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/BranchProbability.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
BranchProbability::BranchProbability(uint32_t n, uint32_t d) {
assert(d > 0 && "Denomiator cannot be 0!");
assert(n <= d && "Probability cannot be bigger than 1!");
N = n;
D = d;
}
void BranchProbability::print(raw_ostream &OS) const {
OS << N << " / " << D << " = " << ((double)N / D);
}
void BranchProbability::dump() const {
print(dbgs());
dbgs() << "\n";
}
namespace llvm {
raw_ostream &operator<<(raw_ostream &OS, const BranchProbability &Prob) {
Prob.print(OS);
return OS;
}
}
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