MCDataFragment *MCObjectStreamer::getOrCreateDataFragment() const {
MCDataFragment *F = dyn_cast_or_null<MCDataFragment>(getCurrentFragment());
// When bundling is enabled, we don't want to add data to a fragment that
// already has instructions (see MCELFStreamer::EmitInstToData for details)
if (!F || (Assembler->isBundlingEnabled() && F->hasInstructions())) {
F = new MCDataFragment();
insert(F);
}
return F;
}
static bool CanReuseDataFragment(const MCDataFragment &F,
const MCAssembler &Assembler,
const MCSubtargetInfo *STI) {
if (!F.hasInstructions())
return true;
// When bundling is enabled, we don't want to add data to a fragment that
// already has instructions (see MCELFStreamer::EmitInstToData for details)
if (Assembler.isBundlingEnabled())
return Assembler.getRelaxAll();
// If the subtarget is changed mid fragment we start a new fragment to record
// the new STI.
return !STI || F.getSubtargetInfo() == STI;
}
MCDataFragment *MCObjectStreamer::getOrCreateDataFragment() const {
MCDataFragment *F = dyn_cast_or_null<MCDataFragment>(getCurrentFragment());
// When bundling is enabled, we don't want to add data to a fragment that
// already has instructions (see MCELFStreamer::EmitInstToData for details)
if (!F || (Assembler->isBundlingEnabled() && F->hasInstructions())) {
const auto *Sec = dyn_cast<MCSectionELF>(&getCurrentSectionData()->getSection());
if (Sec && Sec->getSectionName().startswith(".zdebug_"))
F = new MCCompressedFragment();
else
F = new MCDataFragment();
insert(F);
}
return F;
}
