#include "AddressPool.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
using namespace llvm;
class MCExpr;
unsigned AddressPool::getIndex(const MCSymbol *Sym, bool TLS) {
HasBeenUsed = true;
auto IterBool =
Pool.insert(std::make_pair(Sym, AddressPoolEntry(Pool.size(), TLS)));
return IterBool.first->second.Number;
}
void AddressPool::emit(AsmPrinter &Asm, const MCSection *AddrSection) {
if (Pool.empty())
return;
Asm.OutStreamer.SwitchSection(AddrSection);
SmallVector<const MCExpr *, 64> Entries(Pool.size());
for (const auto &I : Pool)
Entries[I.second.Number] =
I.second.TLS
? Asm.getObjFileLowering().getDebugThreadLocalSymbol(I.first)
: MCSymbolRefExpr::Create(I.first, Asm.OutContext);
for (const MCExpr *Entry : Entries)
Asm.OutStreamer.EmitValue(Entry, Asm.getDataLayout().getPointerSize());
}