std::vector<BasicBlockInfo> computeAllBlockSizes(MachineFunction *MF) {
std::vector<BasicBlockInfo> BBInfo;
BBInfo.resize(MF->getNumBlockIDs());
for (MachineBasicBlock &MBB : *MF)
computeBlockSize(MF, &MBB, BBInfo[MBB.getNumber()]);
return BBInfo;
}
void
ArenaAllocator::init(Uint32 sz, Uint32 type_id, const Pool_context& pc)
{
Uint32 blocksz = ArenaBlock::computeBlockSizeInWords(sz);
Uint32 wpp = m_pool.WORDS_PER_PAGE;
Uint32 bs = computeBlockSize(blocksz, wpp);
Record_info ri;
ri.m_size = 4 * bs;
{
ArenaBlock tmp;
const char * off_base = (char*)&tmp;
const char * off_next = (char*)&tmp.nextPool;
const char * off_magic = (char*)&tmp.m_magic;
ri.m_offset_next_pool = Uint32(off_next - off_base);
ri.m_offset_magic = Uint32(off_magic - off_base);
}
ri.m_type_id = type_id;
m_pool.init(ri, pc);
m_block_size = bs - ArenaBlock::HeaderSize;
}
