Interpolation::Interpolation(PassOwnPtr<InterpolableValue> start, PassOwnPtr<InterpolableValue> end)
: m_start(start)
, m_end(end)
, m_cachedFraction(0)
, m_cachedIteration(0)
, m_cachedValue(m_start ? m_start->clone() : nullptr)
{
RELEASE_ASSERT(typesMatch(m_start.get(), m_end.get()));
}
static bool canEliminate(instruction_iterator move)
{
// Does the move source a register?
if(!sourcesRegister(move)) return false;
// Does the move only have a single destination
if(isVectorMove(move)) return false;
// Is the move predicated?
if(isPredicated(move)) return false;
// Do all definitions of the move source dominate the move?
if(!allDefinitionsDominateMove(move)) return false;
// Does the source type match the destination type?
if(!typesMatch(move)) return false;
return true;
}