BlockFrequency.cpp File Reference

#include "llvm/Support/BranchProbability.h"
#include "llvm/Support/BlockFrequency.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>

Include dependency graph for BlockFrequency.cpp:

Go to the source code of this file.

Namespaces
	llvm
	List of target independent CodeGen pass IDs.

Functions
static void	mult96bit (uint64_t freq, uint32_t N, uint32_t W[3])
	Multiply FREQ by N and store result in W array. More...
static uint64_t	divrem96bit (uint32_t W[3], uint32_t D, uint32_t *Rout)
raw_ostream &	llvm::operator<< (raw_ostream &OS, const BlockFrequency &Freq)

Function Documentation

static uint64_t divrem96bit ( uint32_t  W[3], uint32_t  D, uint32_t *  Rout  )

static

Divide 96-bit value stored in W[2]:W[1]:W[0] by D. Since our word size is a 32 bit unsigned integer, we can use a short division algorithm.

Definition at line 37 of file BlockFrequency.cpp.

static void mult96bit ( uint64_t  freq, uint32_t  N, uint32_t  W[3]  )

static

Multiply FREQ by N and store result in W array.

Definition at line 22 of file BlockFrequency.cpp.

References N.