//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "asm-printer"
#include "Hexagon.h"
#include "HexagonAsmPrinter.h"
#include "HexagonMachineFunctionInfo.h"
-#include "HexagonMCInst.h"
-#include "HexagonTargetMachine.h"
#include "HexagonSubtarget.h"
-#include "InstPrinter/HexagonInstPrinter.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
+#include "HexagonTargetMachine.h"
+#include "MCTargetDesc/HexagonInstPrinter.h"
+#include "MCTargetDesc/HexagonMCInstrInfo.h"
+#include "MCTargetDesc/HexagonMCShuffler.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/Analysis/ConstantFolding.h"
-#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Mangler.h"
+#include "llvm/IR/Module.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
-#include "llvm/Support/MathExtras.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/Debug.h"
#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/Format.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/MathExtras.h"
#include "llvm/Support/TargetRegistry.h"
-#include "llvm/Target/Mangler.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
#include "llvm/Target/TargetOptions.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringExtras.h"
-#include <map>
+#include "llvm/Target/TargetRegisterInfo.h"
using namespace llvm;
+#define DEBUG_TYPE "asm-printer"
+
static cl::opt<bool> AlignCalls(
"hexagon-align-calls", cl::Hidden, cl::init(true),
cl::desc("Insert falign after call instruction for Hexagon target"));
-void HexagonAsmPrinter::EmitAlignment(unsigned NumBits,
- const GlobalValue *GV) const {
- // For basic block level alignment, use ".falign".
- if (!GV) {
- OutStreamer.EmitRawText(StringRef("\t.falign"));
- return;
- }
-
- AsmPrinter::EmitAlignment(NumBits, GV);
-}
+HexagonAsmPrinter::HexagonAsmPrinter(TargetMachine &TM,
+ std::unique_ptr<MCStreamer> Streamer)
+ : AsmPrinter(TM, std::move(Streamer)), Subtarget(nullptr) {}
void HexagonAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
raw_ostream &O) {
const MachineOperand &MO = MI->getOperand(OpNo);
switch (MO.getType()) {
- default: llvm_unreachable("<unknown operand type>");
+ default: llvm_unreachable ("<unknown operand type>");
case MachineOperand::MO_Register:
O << HexagonInstPrinter::getRegisterName(MO.getReg());
return;
case MachineOperand::MO_MachineBasicBlock:
O << *MO.getMBB()->getSymbol();
return;
- case MachineOperand::MO_JumpTableIndex:
- O << *GetJTISymbol(MO.getIndex());
- // FIXME: PIC relocation model.
- return;
case MachineOperand::MO_ConstantPoolIndex:
O << *GetCPISymbol(MO.getIndex());
return;
- case MachineOperand::MO_ExternalSymbol:
- O << *GetExternalSymbolSymbol(MO.getSymbolName());
- return;
case MachineOperand::MO_GlobalAddress:
// Computing the address of a global symbol, not calling it.
- O << *Mang->getSymbol(MO.getGlobal());
+ O << *getSymbol(MO.getGlobal());
printOffset(MO.getOffset(), O);
return;
}
if (ExtraCode[1] != 0) return true; // Unknown modifier.
switch (ExtraCode[0]) {
- default: return true; // Unknown modifier.
+ default:
+ // See if this is a generic print operand
+ return AsmPrinter::PrintAsmOperand(MI, OpNo, AsmVariant, ExtraCode, OS);
case 'c': // Don't print "$" before a global var name or constant.
// Hexagon never has a prefix.
printOperand(MI, OpNo, OS);
return false;
}
-void HexagonAsmPrinter::printPredicateOperand(const MachineInstr *MI,
- unsigned OpNo,
- raw_ostream &O) {
- llvm_unreachable("Unimplemented");
-}
-
/// printMachineInstruction -- Print out a single Hexagon MI in Darwin syntax to
/// the current output stream.
///
void HexagonAsmPrinter::EmitInstruction(const MachineInstr *MI) {
- if (MI->isBundle()) {
- std::vector<const MachineInstr*> BundleMIs;
+ MCInst MCB;
+ MCB.setOpcode(Hexagon::BUNDLE);
+ MCB.addOperand(MCOperand::createImm(0));
- const MachineBasicBlock *MBB = MI->getParent();
+ if (MI->isBundle()) {
+ const MachineBasicBlock* MBB = MI->getParent();
MachineBasicBlock::const_instr_iterator MII = MI;
- ++MII;
- unsigned int IgnoreCount = 0;
- while (MII != MBB->end() && MII->isInsideBundle()) {
- const MachineInstr *MInst = MII;
- if (MInst->getOpcode() == TargetOpcode::DBG_VALUE ||
- MInst->getOpcode() == TargetOpcode::IMPLICIT_DEF) {
- IgnoreCount++;
- ++MII;
- continue;
+ unsigned IgnoreCount = 0;
+
+ for (++MII; MII != MBB->end() && MII->isInsideBundle(); ++MII) {
+ if (MII->getOpcode() == TargetOpcode::DBG_VALUE ||
+ MII->getOpcode() == TargetOpcode::IMPLICIT_DEF)
+ ++IgnoreCount;
+ else {
+ HexagonLowerToMC(MII, MCB, *this);
}
- //BundleMIs.push_back(&*MII);
- BundleMIs.push_back(MInst);
- ++MII;
- }
- unsigned Size = BundleMIs.size();
- assert((Size+IgnoreCount) == MI->getBundleSize() && "Corrupt Bundle!");
- for (unsigned Index = 0; Index < Size; Index++) {
- HexagonMCInst MCI;
- MCI.setStartPacket(Index == 0);
- MCI.setEndPacket(Index == (Size-1));
-
- HexagonLowerToMC(BundleMIs[Index], MCI, *this);
- OutStreamer.EmitInstruction(MCI);
}
}
else {
- HexagonMCInst MCI;
- if (MI->getOpcode() == Hexagon::ENDLOOP0) {
- MCI.setStartPacket(true);
- MCI.setEndPacket(true);
- }
- HexagonLowerToMC(MI, MCI, *this);
- OutStreamer.EmitInstruction(MCI);
- }
-
- return;
-}
-
-/// PrintUnmangledNameSafely - Print out the printable characters in the name.
-/// Don't print things like \n or \0.
-// static void PrintUnmangledNameSafely(const Value *V, raw_ostream &OS) {
-// for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
-// Name != E; ++Name)
-// if (isprint(*Name))
-// OS << *Name;
-// }
-
-
-void HexagonAsmPrinter::printAddrModeBasePlusOffset(const MachineInstr *MI,
- int OpNo, raw_ostream &O) {
- const MachineOperand &MO1 = MI->getOperand(OpNo);
- const MachineOperand &MO2 = MI->getOperand(OpNo+1);
-
- O << HexagonInstPrinter::getRegisterName(MO1.getReg())
- << " + #"
- << MO2.getImm();
-}
-
-
-void HexagonAsmPrinter::printGlobalOperand(const MachineInstr *MI, int OpNo,
- raw_ostream &O) {
- const MachineOperand &MO = MI->getOperand(OpNo);
- assert( (MO.getType() == MachineOperand::MO_GlobalAddress) &&
- "Expecting global address");
-
- O << *Mang->getSymbol(MO.getGlobal());
- if (MO.getOffset() != 0) {
- O << " + ";
- O << MO.getOffset();
+ HexagonLowerToMC(MI, MCB, *this);
+ HexagonMCInstrInfo::padEndloop(MCB);
}
-}
-
-void HexagonAsmPrinter::printJumpTable(const MachineInstr *MI, int OpNo,
- raw_ostream &O) {
- const MachineOperand &MO = MI->getOperand(OpNo);
- assert( (MO.getType() == MachineOperand::MO_JumpTableIndex) &&
- "Expecting jump table index");
-
- // Hexagon_TODO: Do we need name mangling?
- O << *GetJTISymbol(MO.getIndex());
-}
-
-void HexagonAsmPrinter::printConstantPool(const MachineInstr *MI, int OpNo,
- raw_ostream &O) {
- const MachineOperand &MO = MI->getOperand(OpNo);
- assert( (MO.getType() == MachineOperand::MO_ConstantPoolIndex) &&
- "Expecting constant pool index");
-
- // Hexagon_TODO: Do we need name mangling?
- O << *GetCPISymbol(MO.getIndex());
-}
-
-static MCInstPrinter *createHexagonMCInstPrinter(const Target &T,
- unsigned SyntaxVariant,
- const MCAsmInfo &MAI,
- const MCInstrInfo &MII,
- const MCRegisterInfo &MRI,
- const MCSubtargetInfo &STI) {
- if (SyntaxVariant == 0)
- return(new HexagonInstPrinter(MAI, MII, MRI));
- else
- return NULL;
+ // Examine the packet and convert pairs of instructions to duplex
+ // instructions when possible.
+ MCInst InstBundlePreDuplex = MCInst(MCB);
+ SmallVector<DuplexCandidate, 8> possibleDuplexes;
+ possibleDuplexes = HexagonMCInstrInfo::getDuplexPossibilties(*Subtarget->getInstrInfo(), MCB);
+ HexagonMCShuffle(*Subtarget->getInstrInfo(), *Subtarget, OutStreamer->getContext(), MCB, possibleDuplexes);
+ EmitToStreamer(*OutStreamer, MCB);
}
extern "C" void LLVMInitializeHexagonAsmPrinter() {
RegisterAsmPrinter<HexagonAsmPrinter> X(TheHexagonTarget);
-
- TargetRegistry::RegisterMCInstPrinter(TheHexagonTarget,
- createHexagonMCInstPrinter);
}
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