14 #include "llvm/Config/llvm-config.h" 30 double Percent = rint(((
double)N / D) * 100.0 * 100.0) / 100.0;
31 return OS <<
format(
"0x%08" PRIx32
" / 0x%08" PRIx32
" = %.2f%%", N, D,
35 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) 40 assert(Denominator > 0 &&
"Denominator cannot be 0!");
41 assert(Numerator <= Denominator &&
"Probability cannot be bigger than 1!");
46 (Numerator *
static_cast<uint64_t
>(D) + Denominator / 2) / Denominator;
53 uint64_t Denominator) {
54 assert(Numerator <= Denominator &&
"Probability cannot be bigger than 1!");
57 while (Denominator > UINT32_MAX) {
67 template <u
int32_t ConstD>
72 assert(D &&
"divide by 0");
79 uint64_t ProductHigh = (Num >> 32) * N;
80 uint64_t ProductLow = (Num & UINT32_MAX) * N;
83 uint32_t Upper32 = ProductHigh >> 32;
84 uint32_t Lower32 = ProductLow & UINT32_MAX;
85 uint32_t Mid32Partial = ProductHigh & UINT32_MAX;
86 uint32_t Mid32 = Mid32Partial + (ProductLow >> 32);
89 Upper32 += Mid32 < Mid32Partial;
95 uint64_t Rem = (uint64_t(Upper32) << 32) | Mid32;
96 uint64_t UpperQ = Rem / D;
99 if (UpperQ > UINT32_MAX)
102 Rem = ((Rem % D) << 32) | Lower32;
103 uint64_t LowerQ = Rem / D;
104 uint64_t Q = (UpperQ << 32) + LowerQ;
111 return ::scale<D>(Num, N, D);
115 return ::scale<0>(Num, D, N);
This class represents lattice values for constants.
#define LLVM_DUMP_METHOD
Mark debug helper function definitions like dump() that should not be stripped from debug builds...
format_object< Ts... > format(const char *Fmt, const Ts &... Vals)
These are helper functions used to produce formatted output.
uint64_t scaleByInverse(uint64_t Num) const
Scale a large integer by the inverse.
static BranchProbability getBranchProbability(uint64_t Numerator, uint64_t Denominator)
uint64_t scale(uint64_t Num) const
Scale a large integer.
raw_ostream & dbgs()
dbgs() - This returns a reference to a raw_ostream for debugging messages.
assert(ImpDefSCC.getReg()==AMDGPU::SCC &&ImpDefSCC.isDef())
raw_ostream & print(raw_ostream &OS) const
This class implements an extremely fast bulk output stream that can only output to a stream...