- if (MemMgr->NeedsExactSize()) {
- DEBUG(dbgs() << "JIT: ExactSize\n");
- const TargetInstrInfo* TII = F.getTarget().getInstrInfo();
- MachineConstantPool *MCP = F.getConstantPool();
-
- // Ensure the constant pool/jump table info is at least 4-byte aligned.
- ActualSize = RoundUpToAlign(ActualSize, 16);
-
- // Add the alignment of the constant pool
- ActualSize = RoundUpToAlign(ActualSize, MCP->getConstantPoolAlignment());
-
- // Add the constant pool size
- ActualSize += GetConstantPoolSizeInBytes(MCP, TheJIT->getTargetData());
-
- if (MachineJumpTableInfo *MJTI = F.getJumpTableInfo()) {
- // Add the aligment of the jump table info
- ActualSize = RoundUpToAlign(ActualSize,
- MJTI->getEntryAlignment(*TheJIT->getTargetData()));
-
- // Add the jump table size
- ActualSize += GetJumpTableSizeInBytes(MJTI, TheJIT);
- }
-
- // Add the alignment for the function
- ActualSize = RoundUpToAlign(ActualSize,
- std::max(F.getFunction()->getAlignment(), 8U));
-
- // Add the function size
- ActualSize += TII->GetFunctionSizeInBytes(F);
-
- DEBUG(dbgs() << "JIT: ActualSize before globals " << ActualSize << "\n");
- // Add the size of the globals that will be allocated after this function.
- // These are all the ones referenced from this function that were not
- // previously allocated.
- ActualSize += GetSizeOfGlobalsInBytes(F);
- DEBUG(dbgs() << "JIT: ActualSize after globals " << ActualSize << "\n");
- } else if (SizeEstimate > 0) {