#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 "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineConstantPool.h"
+#include "llvm/CodeGen/MachineFunctionPass.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/DerivedTypes.h"
+#include "llvm/IR/Module.h"
#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
#include <algorithm>
#include <cctype>
using namespace llvm;
namespace {
class XCoreAsmPrinter : public AsmPrinter {
const XCoreSubtarget &Subtarget;
+ XCoreMCInstLower MCInstLowering;
+ void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
public:
explicit XCoreAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
- : AsmPrinter(TM, Streamer), Subtarget(TM.getSubtarget<XCoreSubtarget>()){}
+ : AsmPrinter(TM, Streamer), Subtarget(TM.getSubtarget<XCoreSubtarget>()),
+ MCInstLowering(*this) {}
virtual const char *getPassName() const {
return "XCore Assembly Printer";
}
- void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
void printInlineJT(const MachineInstr *MI, int opNum, raw_ostream &O,
const std::string &directive = ".jmptable");
void printInlineJT32(const MachineInstr *MI, int opNum, raw_ostream &O) {
void emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV);
virtual void EmitGlobalVariable(const GlobalVariable *GV);
- void printInstruction(const MachineInstr *MI, raw_ostream &O); // autogen'd.
- static const char *getRegisterName(unsigned RegNo);
-
void EmitFunctionEntryLabel();
void EmitInstruction(const MachineInstr *MI);
+ void EmitFunctionBodyStart();
void EmitFunctionBodyEnd();
+ virtual MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
};
} // end of anonymous namespace
-#include "XCoreGenAsmWriter.inc"
-
void XCoreAsmPrinter::emitArrayBound(MCSymbol *Sym, const GlobalVariable *GV) {
assert(((GV->hasExternalLinkage() ||
GV->hasWeakLinkage()) ||
EmitSpecialLLVMGlobal(GV))
return;
- const TargetData *TD = TM.getTargetData();
+ const DataLayout *TD = TM.getDataLayout();
OutStreamer.SwitchSection(getObjFileLowering().SectionForGlobal(GV, Mang,TM));
// The ABI requires that unsigned scalar types smaller than 32 bits
// are padded to 32 bits.
if (Size < 4)
- OutStreamer.EmitZeros(4 - Size, 0);
+ OutStreamer.EmitZeros(4 - Size);
// Mark the end of the global
OutStreamer.EmitRawText("\t.cc_bottom " + Twine(GVSym->getName()) + ".data");
}
+void XCoreAsmPrinter::EmitFunctionBodyStart() {
+ MCInstLowering.Initialize(Mang, &MF->getContext());
+}
+
/// EmitFunctionBodyEnd - Targets can override this to emit stuff after
/// the last basic block in the function.
void XCoreAsmPrinter::EmitFunctionBodyEnd() {
OutStreamer.EmitLabel(CurrentFnSym);
}
-void XCoreAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum,
- raw_ostream &O) {
- printOperand(MI, opNum, O);
-
- if (MI->getOperand(opNum+1).isImm() && MI->getOperand(opNum+1).getImm() == 0)
- return;
-
- O << "+";
- printOperand(MI, opNum+1, O);
-}
-
void XCoreAsmPrinter::
printInlineJT(const MachineInstr *MI, int opNum, raw_ostream &O,
const std::string &directive) {
const MachineOperand &MO = MI->getOperand(opNum);
switch (MO.getType()) {
case MachineOperand::MO_Register:
- O << getRegisterName(MO.getReg());
+ O << XCoreInstPrinter::getRegisterName(MO.getReg());
break;
case MachineOperand::MO_Immediate:
O << MO.getImm();
bool XCoreAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant,const char *ExtraCode,
raw_ostream &O) {
+ // Does this asm operand have a single letter operand modifier?
+ if (ExtraCode && ExtraCode[0])
+ if (ExtraCode[1] != 0) return true; // Unknown modifier.
+
+ switch (ExtraCode[0]) {
+ default:
+ // See if this is a generic print operand
+ return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, O);
+ }
+
printOperand(MI, OpNo, O);
return false;
}
+void XCoreAsmPrinter::PrintDebugValueComment(const MachineInstr *MI,
+ raw_ostream &OS) {
+ unsigned NOps = MI->getNumOperands();
+ assert(NOps == 4);
+ OS << '\t' << MAI->getCommentString() << "DEBUG_VALUE: ";
+ // cast away const; DIetc do not take const operands for some reason.
+ DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata()));
+ OS << V.getName();
+ OS << " <- ";
+ // Frame address. Currently handles register +- offset only.
+ assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm());
+ OS << '['; printOperand(MI, 0, OS); OS << '+'; printOperand(MI, 1, OS);
+ OS << ']';
+ OS << "+";
+ printOperand(MI, NOps-2, OS);
+}
+
+MachineLocation XCoreAsmPrinter::
+getDebugValueLocation(const MachineInstr *MI) const {
+ // Handles frame addresses emitted in XCoreInstrInfo::emitFrameIndexDebugValue.
+ assert(MI->getNumOperands() == 4 && "Invalid no. of machine operands!");
+ assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm() &&
+ "Unexpected MachineOperand types");
+ return MachineLocation(MI->getOperand(0).getReg(),
+ MI->getOperand(1).getImm());
+}
+
void XCoreAsmPrinter::EmitInstruction(const MachineInstr *MI) {
SmallString<128> Str;
raw_svector_ostream O(Str);
- // Check for mov mnemonic
- if (MI->getOpcode() == XCore::ADD_2rus && !MI->getOperand(2).getImm())
- O << "\tmov " << getRegisterName(MI->getOperand(0).getReg()) << ", "
- << getRegisterName(MI->getOperand(1).getReg());
- else
- printInstruction(MI, O);
- OutStreamer.EmitRawText(O.str());
+ switch (MI->getOpcode()) {
+ case XCore::DBG_VALUE: {
+ if (isVerbose() && OutStreamer.hasRawTextSupport()) {
+ SmallString<128> TmpStr;
+ raw_svector_ostream OS(TmpStr);
+ PrintDebugValueComment(MI, OS);
+ OutStreamer.EmitRawText(StringRef(OS.str()));
+ }
+ return;
+ }
+ case XCore::ADD_2rus:
+ if (MI->getOperand(2).getImm() == 0) {
+ O << "\tmov "
+ << XCoreInstPrinter::getRegisterName(MI->getOperand(0).getReg()) << ", "
+ << XCoreInstPrinter::getRegisterName(MI->getOperand(1).getReg());
+ OutStreamer.EmitRawText(O.str());
+ return;
+ }
+ break;
+ case XCore::BR_JT:
+ case XCore::BR_JT32:
+ O << "\tbru "
+ << XCoreInstPrinter::getRegisterName(MI->getOperand(1).getReg()) << '\n';
+ if (MI->getOpcode() == XCore::BR_JT)
+ printInlineJT(MI, 0, O);
+ else
+ printInlineJT32(MI, 0, O);
+ O << '\n';
+ OutStreamer.EmitRawText(O.str());
+ return;
+ }
+
+ MCInst TmpInst;
+ MCInstLowering.Lower(MI, TmpInst);
+
+ OutStreamer.EmitInstruction(TmpInst);
}
// Force static initialization.
projects / oota-llvm.git / blobdiff