//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "asm-printer"
#include "XCore.h"
#include "InstPrinter/XCoreInstPrinter.h"
#include "XCoreInstrInfo.h"
#include "XCoreMCInstLower.h"
#include "XCoreSubtarget.h"
#include "XCoreTargetMachine.h"
+#include "XCoreTargetStreamer.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/DebugInfo.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Mangler.h"
#include "llvm/IR/Module.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MCSymbolELF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
#include <cctype>
using namespace llvm;
+#define DEBUG_TYPE "asm-printer"
+
namespace {
class XCoreAsmPrinter : public AsmPrinter {
- const XCoreSubtarget &Subtarget;
XCoreMCInstLower MCInstLowering;
+ XCoreTargetStreamer &getTargetStreamer();
+
public:
- explicit XCoreAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
- : AsmPrinter(TM, Streamer), Subtarget(TM.getSubtarget<XCoreSubtarget>()),
- MCInstLowering(*this) {}
+ explicit XCoreAsmPrinter(TargetMachine &TM,
+ std::unique_ptr<MCStreamer> Streamer)
+ : AsmPrinter(TM, std::move(Streamer)), MCInstLowering(*this) {}
- virtual const char *getPassName() const {
+ const char *getPassName() const override {
return "XCore Assembly Printer";
}
void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
- raw_ostream &O);
+ raw_ostream &O) override;
+ bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O) override;
void emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV);
- virtual void EmitGlobalVariable(const GlobalVariable *GV);
+ void EmitGlobalVariable(const GlobalVariable *GV) override;
- void EmitFunctionEntryLabel();
- void EmitInstruction(const MachineInstr *MI);
- void EmitFunctionBodyStart();
- void EmitFunctionBodyEnd();
+ void EmitFunctionEntryLabel() override;
+ void EmitInstruction(const MachineInstr *MI) override;
+ void EmitFunctionBodyStart() override;
+ void EmitFunctionBodyEnd() override;
};
} // end of anonymous namespace
+XCoreTargetStreamer &XCoreAsmPrinter::getTargetStreamer() {
+ return static_cast<XCoreTargetStreamer&>(*OutStreamer->getTargetStreamer());
+}
+
void XCoreAsmPrinter::emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV) {
- assert(((GV->hasExternalLinkage() ||
- GV->hasWeakLinkage()) ||
- GV->hasLinkOnceLinkage()) && "Unexpected linkage");
+ assert( ( GV->hasExternalLinkage() || GV->hasWeakLinkage() ||
+ GV->hasLinkOnceLinkage() || GV->hasCommonLinkage() ) &&
+ "Unexpected linkage");
if (ArrayType *ATy = dyn_cast<ArrayType>(
cast<PointerType>(GV->getType())->getElementType())) {
- MCSymbol *SymGlob = OutContext.GetOrCreateSymbol(
+ MCSymbol *SymGlob = OutContext.getOrCreateSymbol(
Twine(Sym->getName() + StringRef(".globound")));
- OutStreamer.EmitSymbolAttribute(SymGlob, MCSA_Global);
- OutStreamer.EmitAssignment(SymGlob,
- MCConstantExpr::Create(ATy->getNumElements(),
- OutContext));
- if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage()) {
- // TODO Use COMDAT groups for LinkOnceLinkage
- OutStreamer.EmitSymbolAttribute(SymGlob, MCSA_Weak);
+ OutStreamer->EmitSymbolAttribute(SymGlob, MCSA_Global);
+ OutStreamer->EmitAssignment(SymGlob,
+ MCConstantExpr::create(ATy->getNumElements(),
+ OutContext));
+ if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
+ GV->hasCommonLinkage()) {
+ OutStreamer->EmitSymbolAttribute(SymGlob, MCSA_Weak);
}
}
}
EmitSpecialLLVMGlobal(GV))
return;
- const DataLayout *TD = TM.getDataLayout();
- OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(GV, Mang,TM));
+ const DataLayout &DL = getDataLayout();
+ OutStreamer->SwitchSection(
+ getObjFileLowering().SectionForGlobal(GV, *Mang, TM));
-
MCSymbol *GVSym = getSymbol(GV);
const Constant *C = GV->getInitializer();
- unsigned Align = (unsigned)TD->getPreferredTypeAlignmentShift(C->getType());
-
+ unsigned Align = (unsigned)DL.getPreferredTypeAlignmentShift(C->getType());
+
// Mark the start of the global
- OutStreamer.EmitRawText("\t.cc_top " + Twine(GVSym->getName()) + ".data," +
- GVSym->getName());
+ getTargetStreamer().emitCCTopData(GVSym->getName());
switch (GV->getLinkage()) {
case GlobalValue::AppendingLinkage:
case GlobalValue::WeakAnyLinkage:
case GlobalValue::WeakODRLinkage:
case GlobalValue::ExternalLinkage:
+ case GlobalValue::CommonLinkage:
emitArrayBound(GVSym, GV);
- OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Global);
+ OutStreamer->EmitSymbolAttribute(GVSym, MCSA_Global);
- // TODO Use COMDAT groups for LinkOnceLinkage
- if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage())
- OutStreamer.EmitSymbolAttribute(GVSym, MCSA_Weak);
+ if (GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() ||
+ GV->hasCommonLinkage())
+ OutStreamer->EmitSymbolAttribute(GVSym, MCSA_Weak);
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
if (GV->isThreadLocal()) {
report_fatal_error("TLS is not supported by this target!");
}
- unsigned Size = TD->getTypeAllocSize(C->getType());
+ unsigned Size = DL.getTypeAllocSize(C->getType());
if (MAI->hasDotTypeDotSizeDirective()) {
- OutStreamer.EmitSymbolAttribute(GVSym, MCSA_ELF_TypeObject);
- OutStreamer.EmitRawText("\t.size " + Twine(GVSym->getName()) + "," +
- Twine(Size));
+ OutStreamer->EmitSymbolAttribute(GVSym, MCSA_ELF_TypeObject);
+ OutStreamer->emitELFSize(cast<MCSymbolELF>(GVSym),
+ MCConstantExpr::create(Size, OutContext));
}
- OutStreamer.EmitLabel(GVSym);
-
- EmitGlobalConstant(C);
+ OutStreamer->EmitLabel(GVSym);
+
+ EmitGlobalConstant(DL, C);
// The ABI requires that unsigned scalar types smaller than 32 bits
// are padded to 32 bits.
if (Size < 4)
- OutStreamer.EmitZeros(4 - Size);
+ OutStreamer->EmitZeros(4 - Size);
// Mark the end of the global
- OutStreamer.EmitRawText("\t.cc_bottom " + Twine(GVSym->getName()) + ".data");
+ getTargetStreamer().emitCCBottomData(GVSym->getName());
}
void XCoreAsmPrinter::EmitFunctionBodyStart() {
/// the last basic block in the function.
void XCoreAsmPrinter::EmitFunctionBodyEnd() {
// Emit function end directives
- OutStreamer.EmitRawText("\t.cc_bottom " + Twine(CurrentFnSym->getName()) +
- ".function");
+ getTargetStreamer().emitCCBottomFunction(CurrentFnSym->getName());
}
void XCoreAsmPrinter::EmitFunctionEntryLabel() {
// Mark the start of the function
- OutStreamer.EmitRawText("\t.cc_top " + Twine(CurrentFnSym->getName()) +
- ".function," + CurrentFnSym->getName());
- OutStreamer.EmitLabel(CurrentFnSym);
+ getTargetStreamer().emitCCTopFunction(CurrentFnSym->getName());
+ OutStreamer->EmitLabel(CurrentFnSym);
}
void XCoreAsmPrinter::
MachineBasicBlock *MBB = JTBBs[i];
if (i > 0)
O << ",";
- O << *MBB->getSymbol();
+ MBB->getSymbol()->print(O, MAI);
}
}
void XCoreAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
raw_ostream &O) {
- const DataLayout *DL = TM.getDataLayout();
+ const DataLayout &DL = getDataLayout();
const MachineOperand &MO = MI->getOperand(opNum);
switch (MO.getType()) {
case MachineOperand::MO_Register:
O << MO.getImm();
break;
case MachineOperand::MO_MachineBasicBlock:
- O << *MO.getMBB()->getSymbol();
+ MO.getMBB()->getSymbol()->print(O, MAI);
break;
case MachineOperand::MO_GlobalAddress:
- O << *getSymbol(MO.getGlobal());
+ getSymbol(MO.getGlobal())->print(O, MAI);
break;
case MachineOperand::MO_ConstantPoolIndex:
- O << DL->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
- << '_' << MO.getIndex();
+ O << DL.getPrivateGlobalPrefix() << "CPI" << getFunctionNumber() << '_'
+ << MO.getIndex();
break;
case MachineOperand::MO_BlockAddress:
- O << *GetBlockAddressSymbol(MO.getBlockAddress());
+ GetBlockAddressSymbol(MO.getBlockAddress())->print(O, MAI);
break;
default:
llvm_unreachable("not implemented");
return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O);
}
+bool XCoreAsmPrinter::
+PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
+ unsigned AsmVariant, const char *ExtraCode,
+ raw_ostream &O) {
+ if (ExtraCode && ExtraCode[0]) {
+ return true; // Unknown modifier.
+ }
+ printOperand(MI, OpNum, O);
+ O << '[';
+ printOperand(MI, OpNum + 1, O);
+ O << ']';
+ return false;
+}
+
void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) {
SmallString<128> Str;
raw_svector_ostream O(Str);
O << "\tmov "
<< XCoreInstPrinter::getRegisterName(MI->getOperand(0).getReg()) << ", "
<< XCoreInstPrinter::getRegisterName(MI->getOperand(1).getReg());
- OutStreamer.EmitRawText(O.str());
+ OutStreamer->EmitRawText(O.str());
return;
}
break;
else
printInlineJT32(MI, 0, O);
O << '\n';
- OutStreamer.EmitRawText(O.str());
+ OutStreamer->EmitRawText(O.str());
return;
}
MCInst TmpInst;
MCInstLowering.Lower(MI, TmpInst);
- OutStreamer.EmitInstruction(TmpInst);
+ EmitToStreamer(*OutStreamer, TmpInst);
}
// Force static initialization.