llvm/Support/BranchProbability.h

91   BranchProbability &operator+=(BranchProbability RHS) {
92     assert(N != UnknownN && RHS.N != UnknownN &&
95     N = (uint64_t(N) + RHS.N > D) ? D : N + RHS.N;
99   BranchProbability &operator-=(BranchProbability RHS) {
100     assert(N != UnknownN && RHS.N != UnknownN &&
103     N = N < RHS.N ? 0 : N - RHS.N;
107   BranchProbability &operator*=(BranchProbability RHS) {
108     assert(N != UnknownN && RHS.N != UnknownN &&
110     N = (static_cast<uint64_t>(N) * RHS.N + D / 2) / D;
114   BranchProbability &operator*=(uint32_t RHS) {
117     N = (uint64_t(N) * RHS > D) ? D : N * RHS;
121   BranchProbability &operator/=(BranchProbability RHS) {
122     assert(N != UnknownN && RHS.N != UnknownN &&
124     N = (static_cast<uint64_t>(N) * D + RHS.N / 2) / RHS.N;
128   BranchProbability &operator/=(uint32_t RHS) {
131     assert(RHS > 0 && "The divider cannot be zero.");
132     N /= RHS;
136   BranchProbability operator+(BranchProbability RHS) const {
138     Prob += RHS;
142   BranchProbability operator-(BranchProbability RHS) const {
144     Prob -= RHS;
148   BranchProbability operator*(BranchProbability RHS) const {
150     Prob *= RHS;
154   BranchProbability operator*(uint32_t RHS) const {
156     Prob *= RHS;
160   BranchProbability operator/(BranchProbability RHS) const {
162     Prob /= RHS;
166   BranchProbability operator/(uint32_t RHS) const {
168     Prob /= RHS;
172   bool operator==(BranchProbability RHS) const { return N == RHS.N; }
173   bool operator!=(BranchProbability RHS) const { return !(*this == RHS); }
175   bool operator<(BranchProbability RHS) const {
176     assert(N != UnknownN && RHS.N != UnknownN &&
178     return N < RHS.N;
181   bool operator>(BranchProbability RHS) const {
182     assert(N != UnknownN && RHS.N != UnknownN &&
184     return RHS < *this;
187   bool operator<=(BranchProbability RHS) const {
188     assert(N != UnknownN && RHS.N != UnknownN &&
190     return !(RHS < *this);
193   bool operator>=(BranchProbability RHS) const {
194     assert(N != UnknownN && RHS.N != UnknownN &&
196     return !(*this < RHS);