#include "ARMMachineFunctionInfo.h"
#include "llvm/Constants.h"
#include "llvm/Module.h"
+#include "llvm/MDNode.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/DwarfWriter.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetRegistry.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/Support/Compiler.h"
+#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Support/MathExtras.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/FormattedStream.h"
#include <cctype>
using namespace llvm;
namespace {
class VISIBILITY_HIDDEN ARMAsmPrinter : public AsmPrinter {
DwarfWriter *DW;
- MachineModuleInfo *MMI;
/// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
/// make the right decision when printing asm code for different targets.
/// GVNonLazyPtrs - Keeps the set of GlobalValues that require
/// non-lazy-pointers for indirect access.
- StringSet<> GVNonLazyPtrs;
+ StringMap<std::string> GVNonLazyPtrs;
/// HiddenGVNonLazyPtrs - Keeps the set of GlobalValues with hidden
/// visibility that require non-lazy-pointers for indirect access.
- StringSet<> HiddenGVNonLazyPtrs;
-
+ StringMap<std::string> HiddenGVNonLazyPtrs;
+
+ struct FnStubInfo {
+ std::string Stub, LazyPtr, SLP, SCV;
+
+ FnStubInfo() {}
+
+ void Init(const GlobalValue *GV, Mangler *Mang) {
+ // Already initialized.
+ if (!Stub.empty()) return;
+ Stub = Mang->getMangledName(GV, "$stub", true);
+ LazyPtr = Mang->getMangledName(GV, "$lazy_ptr", true);
+ SLP = Mang->getMangledName(GV, "$slp", true);
+ SCV = Mang->getMangledName(GV, "$scv", true);
+ }
+
+ void Init(const std::string &GV, Mangler *Mang) {
+ // Already initialized.
+ if (!Stub.empty()) return;
+ Stub = Mang->makeNameProper(GV+"$stub", true);
+ LazyPtr = Mang->makeNameProper(GV+"$lazy_ptr", true);
+ SLP = Mang->makeNameProper(GV+"$slp", true);
+ SCV = Mang->makeNameProper(GV+"$scv", true);
+ }
+
+ };
+
/// FnStubs - Keeps the set of external function GlobalAddresses that the
/// asm printer should generate stubs for.
- StringSet<> FnStubs;
+ StringMap<FnStubInfo> FnStubs;
/// True if asm printer is printing a series of CONSTPOOL_ENTRY.
bool InCPMode;
public:
- explicit ARMAsmPrinter(raw_ostream &O, TargetMachine &TM,
- const TargetAsmInfo *T, CodeGenOpt::Level OL,
- bool V)
- : AsmPrinter(O, TM, T, OL, V), DW(0), MMI(NULL), AFI(NULL), MCP(NULL),
+ explicit ARMAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM,
+ const TargetAsmInfo *T, bool V)
+ : AsmPrinter(O, TM, T, V), DW(0), AFI(NULL), MCP(NULL),
InCPMode(false) {
Subtarget = &TM.getSubtarget<ARMSubtarget>();
}
return "ARM Assembly Printer";
}
- void printOperand(const MachineInstr *MI, int opNum,
+ void printOperand(const MachineInstr *MI, int OpNum,
const char *Modifier = 0);
- void printSOImmOperand(const MachineInstr *MI, int opNum);
- void printSOImm2PartOperand(const MachineInstr *MI, int opNum);
- void printSORegOperand(const MachineInstr *MI, int opNum);
- void printAddrMode2Operand(const MachineInstr *MI, int OpNo);
- void printAddrMode2OffsetOperand(const MachineInstr *MI, int OpNo);
- void printAddrMode3Operand(const MachineInstr *MI, int OpNo);
- void printAddrMode3OffsetOperand(const MachineInstr *MI, int OpNo);
- void printAddrMode4Operand(const MachineInstr *MI, int OpNo,
+ void printSOImmOperand(const MachineInstr *MI, int OpNum);
+ void printSOImm2PartOperand(const MachineInstr *MI, int OpNum);
+ void printSORegOperand(const MachineInstr *MI, int OpNum);
+ void printAddrMode2Operand(const MachineInstr *MI, int OpNum);
+ void printAddrMode2OffsetOperand(const MachineInstr *MI, int OpNum);
+ void printAddrMode3Operand(const MachineInstr *MI, int OpNum);
+ void printAddrMode3OffsetOperand(const MachineInstr *MI, int OpNum);
+ void printAddrMode4Operand(const MachineInstr *MI, int OpNum,
const char *Modifier = 0);
- void printAddrMode5Operand(const MachineInstr *MI, int OpNo,
+ void printAddrMode5Operand(const MachineInstr *MI, int OpNum,
const char *Modifier = 0);
- void printAddrModePCOperand(const MachineInstr *MI, int OpNo,
+ void printAddrMode6Operand(const MachineInstr *MI, int OpNum);
+ void printAddrModePCOperand(const MachineInstr *MI, int OpNum,
const char *Modifier = 0);
- void printThumbAddrModeRROperand(const MachineInstr *MI, int OpNo);
- void printThumbAddrModeRI5Operand(const MachineInstr *MI, int OpNo,
+ void printBitfieldInvMaskImmOperand (const MachineInstr *MI, int OpNum);
+
+ void printThumbITMask(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeRROperand(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeRI5Operand(const MachineInstr *MI, int OpNum,
unsigned Scale);
- void printThumbAddrModeS1Operand(const MachineInstr *MI, int OpNo);
- void printThumbAddrModeS2Operand(const MachineInstr *MI, int OpNo);
- void printThumbAddrModeS4Operand(const MachineInstr *MI, int OpNo);
- void printThumbAddrModeSPOperand(const MachineInstr *MI, int OpNo);
- void printPredicateOperand(const MachineInstr *MI, int opNum);
- void printSBitModifierOperand(const MachineInstr *MI, int opNum);
- void printPCLabel(const MachineInstr *MI, int opNum);
- void printRegisterList(const MachineInstr *MI, int opNum);
- void printCPInstOperand(const MachineInstr *MI, int opNum,
+ void printThumbAddrModeS1Operand(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeS2Operand(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeS4Operand(const MachineInstr *MI, int OpNum);
+ void printThumbAddrModeSPOperand(const MachineInstr *MI, int OpNum);
+
+ void printT2SOOperand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeImm12Operand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeImm8Operand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeImm8s4Operand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeImm8OffsetOperand(const MachineInstr *MI, int OpNum);
+ void printT2AddrModeSoRegOperand(const MachineInstr *MI, int OpNum);
+
+ void printPredicateOperand(const MachineInstr *MI, int OpNum);
+ void printSBitModifierOperand(const MachineInstr *MI, int OpNum);
+ void printPCLabel(const MachineInstr *MI, int OpNum);
+ void printRegisterList(const MachineInstr *MI, int OpNum);
+ void printCPInstOperand(const MachineInstr *MI, int OpNum,
const char *Modifier);
- void printJTBlockOperand(const MachineInstr *MI, int opNum);
+ void printJTBlockOperand(const MachineInstr *MI, int OpNum);
- virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant, const char *ExtraCode);
- virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+ virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant,
const char *ExtraCode);
ARMConstantPoolValue *ACPV = static_cast<ARMConstantPoolValue*>(MCPV);
GlobalValue *GV = ACPV->getGV();
- std::string Name = GV ? Mang->getValueName(GV) : TAI->getGlobalPrefix();
- if (!GV)
- Name += ACPV->getSymbol();
+ std::string Name;
+
+
if (ACPV->isNonLazyPointer()) {
+ std::string SymName = Mang->getMangledName(GV);
+ Name = Mang->getMangledName(GV, "$non_lazy_ptr", true);
+
if (GV->hasHiddenVisibility())
- HiddenGVNonLazyPtrs.insert(Name);
+ HiddenGVNonLazyPtrs[SymName] = Name;
else
- GVNonLazyPtrs.insert(Name);
- printSuffixedName(Name, "$non_lazy_ptr");
+ GVNonLazyPtrs[SymName] = Name;
} else if (ACPV->isStub()) {
- FnStubs.insert(Name);
- printSuffixedName(Name, "$stub");
- } else
- O << Name;
+ if (GV) {
+ FnStubInfo &FnInfo = FnStubs[Mang->getMangledName(GV)];
+ FnInfo.Init(GV, Mang);
+ Name = FnInfo.Stub;
+ } else {
+ FnStubInfo &FnInfo = FnStubs[Mang->makeNameProper(ACPV->getSymbol())];
+ FnInfo.Init(ACPV->getSymbol(), Mang);
+ Name = FnInfo.Stub;
+ }
+ } else {
+ if (GV)
+ Name = Mang->getMangledName(GV);
+ else
+ Name = Mang->makeNameProper(ACPV->getSymbol());
+ }
+ O << Name;
+
+
+
if (ACPV->hasModifier()) O << "(" << ACPV->getModifier() << ")";
if (ACPV->getPCAdjustment() != 0) {
O << "-(" << TAI->getPrivateGlobalPrefix() << "PC"
O << ")";
}
O << "\n";
-
- // If the constant pool value is a extern weak symbol, remember to emit
- // the weak reference.
- if (GV && GV->hasExternalWeakLinkage())
- ExtWeakSymbols.insert(GV);
}
void getAnalysisUsage(AnalysisUsage &AU) const {
// Print out labels for the function.
const Function *F = MF.getFunction();
switch (F->getLinkage()) {
- default: assert(0 && "Unknown linkage type!");
+ default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
case Function::InternalLinkage:
SwitchToTextSection("\t.text", F);
printVisibility(CurrentFnName, F->getVisibility());
if (AFI->isThumbFunction()) {
- EmitAlignment(1, F, AFI->getAlign());
+ EmitAlignment(MF.getAlignment(), F, AFI->getAlign());
O << "\t.code\t16\n";
O << "\t.thumb_func";
if (Subtarget->isTargetDarwin())
O << "\t" << CurrentFnName;
O << "\n";
InCPMode = false;
- } else
- EmitAlignment(2, F);
+ } else {
+ EmitAlignment(MF.getAlignment(), F);
+ }
O << CurrentFnName << ":\n";
// Emit pre-function debug information.
return false;
}
-void ARMAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
+void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
const char *Modifier) {
- const MachineOperand &MO = MI->getOperand(opNum);
+ const MachineOperand &MO = MI->getOperand(OpNum);
switch (MO.getType()) {
- case MachineOperand::MO_Register:
- if (TargetRegisterInfo::isPhysicalRegister(MO.getReg()))
- O << TM.getRegisterInfo()->get(MO.getReg()).AsmName;
- else
- assert(0 && "not implemented");
+ case MachineOperand::MO_Register: {
+ unsigned Reg = MO.getReg();
+ if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
+ if (Modifier && strcmp(Modifier, "dregpair") == 0) {
+ unsigned DRegLo = TRI->getSubReg(Reg, 5); // arm_dsubreg_0
+ unsigned DRegHi = TRI->getSubReg(Reg, 6); // arm_dsubreg_1
+ O << '{'
+ << TRI->getAsmName(DRegLo) << ',' << TRI->getAsmName(DRegHi)
+ << '}';
+ } else if (Modifier && strcmp(Modifier, "dregsingle") == 0) {
+ O << '{' << TRI->getAsmName(Reg) << '}';
+ } else {
+ O << TRI->getAsmName(Reg);
+ }
+ } else
+ llvm_unreachable("not implemented");
break;
+ }
case MachineOperand::MO_Immediate: {
if (!Modifier || strcmp(Modifier, "no_hash") != 0)
O << "#";
case MachineOperand::MO_GlobalAddress: {
bool isCallOp = Modifier && !strcmp(Modifier, "call");
GlobalValue *GV = MO.getGlobal();
- std::string Name = Mang->getValueName(GV);
- bool isExt = (GV->isDeclaration() || GV->hasWeakLinkage() ||
- GV->hasLinkOnceLinkage());
+ std::string Name;
+ bool isExt = GV->isDeclaration() || GV->isWeakForLinker();
if (isExt && isCallOp && Subtarget->isTargetDarwin() &&
TM.getRelocationModel() != Reloc::Static) {
- printSuffixedName(Name, "$stub");
- FnStubs.insert(Name);
- } else
- O << Name;
+ FnStubInfo &FnInfo = FnStubs[Mang->getMangledName(GV)];
+ FnInfo.Init(GV, Mang);
+ Name = FnInfo.Stub;
+ } else {
+ Name = Mang->getMangledName(GV);
+ }
+
+ O << Name;
printOffset(MO.getOffset());
if (isCallOp && Subtarget->isTargetELF() &&
TM.getRelocationModel() == Reloc::PIC_)
O << "(PLT)";
- if (GV->hasExternalWeakLinkage())
- ExtWeakSymbols.insert(GV);
break;
}
case MachineOperand::MO_ExternalSymbol: {
bool isCallOp = Modifier && !strcmp(Modifier, "call");
- std::string Name(TAI->getGlobalPrefix());
- Name += MO.getSymbolName();
+ std::string Name;
if (isCallOp && Subtarget->isTargetDarwin() &&
TM.getRelocationModel() != Reloc::Static) {
- printSuffixedName(Name, "$stub");
- FnStubs.insert(Name);
+ FnStubInfo &FnInfo = FnStubs[Mang->makeNameProper(MO.getSymbolName())];
+ FnInfo.Init(MO.getSymbolName(), Mang);
+ Name = FnInfo.Stub;
} else
- O << Name;
+ Name = Mang->makeNameProper(MO.getSymbolName());
+
+ O << Name;
if (isCallOp && Subtarget->isTargetELF() &&
TM.getRelocationModel() == Reloc::PIC_)
O << "(PLT)";
}
}
-static void printSOImm(raw_ostream &O, int64_t V, bool VerboseAsm,
+static void printSOImm(formatted_raw_ostream &O, int64_t V, bool VerboseAsm,
const TargetAsmInfo *TAI) {
- assert(V < (1 << 12) && "Not a valid so_imm value!");
+ // Break it up into two parts that make up a shifter immediate.
+ V = ARM_AM::getSOImmVal(V);
+ assert(V != -1 && "Not a valid so_imm value!");
+
unsigned Imm = ARM_AM::getSOImmValImm(V);
unsigned Rot = ARM_AM::getSOImmValRot(V);
assert(MO.isImm() && "Not a valid so_imm value!");
unsigned V1 = ARM_AM::getSOImmTwoPartFirst(MO.getImm());
unsigned V2 = ARM_AM::getSOImmTwoPartSecond(MO.getImm());
- printSOImm(O, ARM_AM::getSOImmVal(V1), VerboseAsm, TAI);
+ printSOImm(O, V1, VerboseAsm, TAI);
O << "\n\torr";
printPredicateOperand(MI, 2);
O << " ";
O << ", ";
printOperand(MI, 0);
O << ", ";
- printSOImm(O, ARM_AM::getSOImmVal(V2), VerboseAsm, TAI);
+ printSOImm(O, V2, VerboseAsm, TAI);
}
// so_reg is a 4-operand unit corresponding to register forms of the A5.1
// "Addressing Mode 1 - Data-processing operands" forms. This includes:
-// REG 0 0 - e.g. R5
-// REG REG 0,SH_OPC - e.g. R5, ROR R3
+// REG 0 0 - e.g. R5
+// REG REG 0,SH_OPC - e.g. R5, ROR R3
// REG 0 IMM,SH_OPC - e.g. R5, LSL #3
void ARMAsmPrinter::printSORegOperand(const MachineInstr *MI, int Op) {
const MachineOperand &MO1 = MI->getOperand(Op);
const MachineOperand &MO3 = MI->getOperand(Op+2);
assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
- O << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << TRI->getAsmName(MO1.getReg());
// Print the shift opc.
O << ", "
if (MO2.getReg()) {
assert(TargetRegisterInfo::isPhysicalRegister(MO2.getReg()));
- O << TM.getRegisterInfo()->get(MO2.getReg()).AsmName;
+ O << TRI->getAsmName(MO2.getReg());
assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
} else {
O << "#" << ARM_AM::getSORegOffset(MO3.getImm());
return;
}
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (!MO2.getReg()) {
if (ARM_AM::getAM2Offset(MO3.getImm())) // Don't print +0.
O << ", "
<< (char)ARM_AM::getAM2Op(MO3.getImm())
- << TM.getRegisterInfo()->get(MO2.getReg()).AsmName;
+ << TRI->getAsmName(MO2.getReg());
if (unsigned ShImm = ARM_AM::getAM2Offset(MO3.getImm()))
O << ", "
}
O << (char)ARM_AM::getAM2Op(MO2.getImm())
- << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ << TRI->getAsmName(MO1.getReg());
if (unsigned ShImm = ARM_AM::getAM2Offset(MO2.getImm()))
O << ", "
const MachineOperand &MO3 = MI->getOperand(Op+2);
assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (MO2.getReg()) {
O << ", "
<< (char)ARM_AM::getAM3Op(MO3.getImm())
- << TM.getRegisterInfo()->get(MO2.getReg()).AsmName
+ << TRI->getAsmName(MO2.getReg())
<< "]";
return;
}
if (MO1.getReg()) {
O << (char)ARM_AM::getAM3Op(MO2.getImm())
- << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ << TRI->getAsmName(MO1.getReg());
return;
}
return;
} else if (Modifier && strcmp(Modifier, "base") == 0) {
// Used for FSTM{D|S} and LSTM{D|S} operations.
- O << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << TRI->getAsmName(MO1.getReg());
if (ARM_AM::getAM5WBFlag(MO2.getImm()))
O << "!";
return;
}
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (unsigned ImmOffs = ARM_AM::getAM5Offset(MO2.getImm())) {
O << ", #"
O << "]";
}
+void ARMAsmPrinter::printAddrMode6Operand(const MachineInstr *MI, int Op) {
+ const MachineOperand &MO1 = MI->getOperand(Op);
+ const MachineOperand &MO2 = MI->getOperand(Op+1);
+ const MachineOperand &MO3 = MI->getOperand(Op+2);
+
+ // FIXME: No support yet for specifying alignment.
+ O << "[" << TRI->getAsmName(MO1.getReg()) << "]";
+
+ if (ARM_AM::getAM6WBFlag(MO3.getImm())) {
+ if (MO2.getReg() == 0)
+ O << "!";
+ else
+ O << ", " << TRI->getAsmName(MO2.getReg());
+ }
+}
+
void ARMAsmPrinter::printAddrModePCOperand(const MachineInstr *MI, int Op,
const char *Modifier) {
if (Modifier && strcmp(Modifier, "label") == 0) {
const MachineOperand &MO1 = MI->getOperand(Op);
assert(TargetRegisterInfo::isPhysicalRegister(MO1.getReg()));
- O << "[pc, +" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName << "]";
+ O << "[pc, +" << TRI->getAsmName(MO1.getReg()) << "]";
+}
+
+void
+ARMAsmPrinter::printBitfieldInvMaskImmOperand(const MachineInstr *MI, int Op) {
+ const MachineOperand &MO = MI->getOperand(Op);
+ uint32_t v = ~MO.getImm();
+ int32_t lsb = CountTrailingZeros_32(v);
+ int32_t width = (32 - CountLeadingZeros_32 (v)) - lsb;
+ assert(MO.isImm() && "Not a valid bf_inv_mask_imm value!");
+ O << "#" << lsb << ", #" << width;
+}
+
+//===--------------------------------------------------------------------===//
+
+void
+ARMAsmPrinter::printThumbITMask(const MachineInstr *MI, int Op) {
+ // (3 - the number of trailing zeros) is the number of then / else.
+ unsigned Mask = MI->getOperand(Op).getImm();
+ unsigned NumTZ = CountTrailingZeros_32(Mask);
+ assert(NumTZ <= 3 && "Invalid IT mask!");
+ for (unsigned Pos = 3, e = NumTZ; Pos > e; --Pos) {
+ bool T = (Mask & (1 << Pos)) != 0;
+ if (T)
+ O << 't';
+ else
+ O << 'e';
+ }
}
void
ARMAsmPrinter::printThumbAddrModeRROperand(const MachineInstr *MI, int Op) {
const MachineOperand &MO1 = MI->getOperand(Op);
const MachineOperand &MO2 = MI->getOperand(Op+1);
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
- O << ", " << TM.getRegisterInfo()->get(MO2.getReg()).AsmName << "]";
+ O << "[" << TRI->getAsmName(MO1.getReg());
+ O << ", " << TRI->getAsmName(MO2.getReg()) << "]";
}
void
return;
}
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (MO3.getReg())
- O << ", " << TM.getRegisterInfo()->get(MO3.getReg()).AsmName;
+ O << ", " << TRI->getAsmName(MO3.getReg());
else if (unsigned ImmOffs = MO2.getImm()) {
O << ", #" << ImmOffs;
if (Scale > 1)
void ARMAsmPrinter::printThumbAddrModeSPOperand(const MachineInstr *MI,int Op) {
const MachineOperand &MO1 = MI->getOperand(Op);
const MachineOperand &MO2 = MI->getOperand(Op+1);
- O << "[" << TM.getRegisterInfo()->get(MO1.getReg()).AsmName;
+ O << "[" << TRI->getAsmName(MO1.getReg());
if (unsigned ImmOffs = MO2.getImm())
O << ", #" << ImmOffs << " * 4";
O << "]";
}
-void ARMAsmPrinter::printPredicateOperand(const MachineInstr *MI, int opNum) {
- ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(opNum).getImm();
+//===--------------------------------------------------------------------===//
+
+// Constant shifts t2_so_reg is a 2-operand unit corresponding to the Thumb2
+// register with shift forms.
+// REG 0 0 - e.g. R5
+// REG IMM, SH_OPC - e.g. R5, LSL #3
+void ARMAsmPrinter::printT2SOOperand(const MachineInstr *MI, int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+
+ unsigned Reg = MO1.getReg();
+ assert(TargetRegisterInfo::isPhysicalRegister(Reg));
+ O << TRI->getAsmName(Reg);
+
+ // Print the shift opc.
+ O << ", "
+ << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO2.getImm()))
+ << " ";
+
+ assert(MO2.isImm() && "Not a valid t2_so_reg value!");
+ O << "#" << ARM_AM::getSORegOffset(MO2.getImm());
+}
+
+void ARMAsmPrinter::printT2AddrModeImm12Operand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << TRI->getAsmName(MO1.getReg());
+
+ unsigned OffImm = MO2.getImm();
+ if (OffImm) // Don't print +0.
+ O << ", #+" << OffImm;
+ O << "]";
+}
+
+void ARMAsmPrinter::printT2AddrModeImm8Operand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << TRI->getAsmName(MO1.getReg());
+
+ int32_t OffImm = (int32_t)MO2.getImm();
+ // Don't print +0.
+ if (OffImm < 0)
+ O << ", #-" << -OffImm;
+ else if (OffImm > 0)
+ O << ", #+" << OffImm;
+ O << "]";
+}
+
+void ARMAsmPrinter::printT2AddrModeImm8s4Operand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << TRI->getAsmName(MO1.getReg());
+
+ int32_t OffImm = (int32_t)MO2.getImm() / 4;
+ // Don't print +0.
+ if (OffImm < 0)
+ O << ", #-" << -OffImm << " * 4";
+ else if (OffImm > 0)
+ O << ", #+" << OffImm << " * 4";
+ O << "]";
+}
+
+void ARMAsmPrinter::printT2AddrModeImm8OffsetOperand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ int32_t OffImm = (int32_t)MO1.getImm();
+ // Don't print +0.
+ if (OffImm < 0)
+ O << "#-" << -OffImm;
+ else if (OffImm > 0)
+ O << "#+" << OffImm;
+}
+
+void ARMAsmPrinter::printT2AddrModeSoRegOperand(const MachineInstr *MI,
+ int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1);
+ const MachineOperand &MO3 = MI->getOperand(OpNum+2);
+
+ O << "[" << TRI->getAsmName(MO1.getReg());
+
+ if (MO2.getReg()) {
+ O << ", +" << TRI->getAsmName(MO2.getReg());
+
+ unsigned ShAmt = MO3.getImm();
+ if (ShAmt) {
+ assert(ShAmt <= 3 && "Not a valid Thumb2 addressing mode!");
+ O << ", lsl #" << ShAmt;
+ }
+ }
+ O << "]";
+}
+
+
+//===--------------------------------------------------------------------===//
+
+void ARMAsmPrinter::printPredicateOperand(const MachineInstr *MI, int OpNum) {
+ ARMCC::CondCodes CC = (ARMCC::CondCodes)MI->getOperand(OpNum).getImm();
if (CC != ARMCC::AL)
O << ARMCondCodeToString(CC);
}
-void ARMAsmPrinter::printSBitModifierOperand(const MachineInstr *MI, int opNum){
- unsigned Reg = MI->getOperand(opNum).getReg();
+void ARMAsmPrinter::printSBitModifierOperand(const MachineInstr *MI, int OpNum){
+ unsigned Reg = MI->getOperand(OpNum).getReg();
if (Reg) {
assert(Reg == ARM::CPSR && "Expect ARM CPSR register!");
O << 's';
}
}
-void ARMAsmPrinter::printPCLabel(const MachineInstr *MI, int opNum) {
- int Id = (int)MI->getOperand(opNum).getImm();
+void ARMAsmPrinter::printPCLabel(const MachineInstr *MI, int OpNum) {
+ int Id = (int)MI->getOperand(OpNum).getImm();
O << TAI->getPrivateGlobalPrefix() << "PC" << Id;
}
-void ARMAsmPrinter::printRegisterList(const MachineInstr *MI, int opNum) {
+void ARMAsmPrinter::printRegisterList(const MachineInstr *MI, int OpNum) {
O << "{";
- for (unsigned i = opNum, e = MI->getNumOperands(); i != e; ++i) {
+ for (unsigned i = OpNum, e = MI->getNumOperands(); i != e; ++i) {
printOperand(MI, i);
if (i != e-1) O << ", ";
}
O << "}";
}
-void ARMAsmPrinter::printCPInstOperand(const MachineInstr *MI, int OpNo,
+void ARMAsmPrinter::printCPInstOperand(const MachineInstr *MI, int OpNum,
const char *Modifier) {
assert(Modifier && "This operand only works with a modifier!");
// There are two aspects to a CONSTANTPOOL_ENTRY operand, the label and the
// data itself.
if (!strcmp(Modifier, "label")) {
- unsigned ID = MI->getOperand(OpNo).getImm();
+ unsigned ID = MI->getOperand(OpNum).getImm();
O << TAI->getPrivateGlobalPrefix() << "CPI" << getFunctionNumber()
<< '_' << ID << ":\n";
} else {
assert(!strcmp(Modifier, "cpentry") && "Unknown modifier for CPE");
- unsigned CPI = MI->getOperand(OpNo).getIndex();
+ unsigned CPI = MI->getOperand(OpNum).getIndex();
const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPI];
EmitMachineConstantPoolValue(MCPE.Val.MachineCPVal);
} else {
EmitGlobalConstant(MCPE.Val.ConstVal);
- // remember to emit the weak reference
- if (const GlobalValue *GV = dyn_cast<GlobalValue>(MCPE.Val.ConstVal))
- if (GV->hasExternalWeakLinkage())
- ExtWeakSymbols.insert(GV);
}
}
}
-void ARMAsmPrinter::printJTBlockOperand(const MachineInstr *MI, int OpNo) {
- const MachineOperand &MO1 = MI->getOperand(OpNo);
- const MachineOperand &MO2 = MI->getOperand(OpNo+1); // Unique Id
+void ARMAsmPrinter::printJTBlockOperand(const MachineInstr *MI, int OpNum) {
+ const MachineOperand &MO1 = MI->getOperand(OpNum);
+ const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id
unsigned JTI = MO1.getIndex();
O << TAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber()
<< '_' << JTI << '_' << MO2.getImm() << ":\n";
}
-bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant, const char *ExtraCode){
// Does this asm operand have a single letter operand modifier?
if (ExtraCode && ExtraCode[0]) {
switch (ExtraCode[0]) {
default: return true; // Unknown modifier.
- case 'a': // Don't print "#" before a global var name or constant.
- case 'c': // Don't print "$" before a global var name or constant.
- printOperand(MI, OpNo, "no_hash");
+ case 'a': // Print as a memory address.
+ if (MI->getOperand(OpNum).isReg()) {
+ O << "[" << TRI->getAsmName(MI->getOperand(OpNum).getReg()) << "]";
+ return false;
+ }
+ // Fallthrough
+ case 'c': // Don't print "#" before an immediate operand.
+ printOperand(MI, OpNum, "no_hash");
return false;
case 'P': // Print a VFP double precision register.
- printOperand(MI, OpNo);
+ printOperand(MI, OpNum);
return false;
case 'Q':
if (TM.getTargetData()->isLittleEndian())
// Fallthrough
case 'H': // Write second word of DI / DF reference.
// Verify that this operand has two consecutive registers.
- if (!MI->getOperand(OpNo).isReg() ||
- OpNo+1 == MI->getNumOperands() ||
- !MI->getOperand(OpNo+1).isReg())
+ if (!MI->getOperand(OpNum).isReg() ||
+ OpNum+1 == MI->getNumOperands() ||
+ !MI->getOperand(OpNum+1).isReg())
return true;
- ++OpNo; // Return the high-part.
+ ++OpNum; // Return the high-part.
}
}
- printOperand(MI, OpNo);
+ printOperand(MI, OpNum);
return false;
}
bool ARMAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
- unsigned OpNo, unsigned AsmVariant,
+ unsigned OpNum, unsigned AsmVariant,
const char *ExtraCode) {
if (ExtraCode && ExtraCode[0])
return true; // Unknown modifier.
- printAddrMode2Operand(MI, OpNo);
+ printAddrMode2Operand(MI, OpNum);
return false;
}
bool ARMAsmPrinter::doInitialization(Module &M) {
bool Result = AsmPrinter::doInitialization(M);
-
- // Emit initial debug information.
- MMI = getAnalysisIfAvailable<MachineModuleInfo>();
- assert(MMI);
DW = getAnalysisIfAvailable<DwarfWriter>();
- assert(DW && "Dwarf Writer is not available");
- DW->BeginModule(&M, MMI, O, this, TAI);
- // Darwin wants symbols to be quoted if they have complex names.
- if (Subtarget->isTargetDarwin())
- Mang->setUseQuotes(true);
+ // Use unified assembler syntax mode for Thumb.
+ if (Subtarget->isThumb())
+ O << "\t.syntax unified\n";
// Emit ARM Build Attributes
if (Subtarget->isTargetELF()) {
/// 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) {
+static void PrintUnmangledNameSafely(const Value *V, formatted_raw_ostream &OS) {
for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
Name != E; ++Name)
if (isprint(*Name))
return;
}
- std::string name = Mang->getValueName(GVar);
+ std::string name = Mang->getMangledName(GVar);
Constant *C = GVar->getInitializer();
+ if (isa<MDNode>(C) || isa<MDString>(C))
+ return;
const Type *Type = C->getType();
unsigned Size = TD->getTypeAllocSize(Type);
unsigned Align = TD->getPreferredAlignmentLog(GVar);
case GlobalValue::InternalLinkage:
break;
default:
- assert(0 && "Unknown linkage type!");
- break;
+ llvm_unreachable("Unknown linkage type!");
}
EmitAlignment(Align, GVar);
if (TAI->hasDotTypeDotSizeDirective())
O << "\t.size " << name << ", " << Size << "\n";
- // If the initializer is a extern weak symbol, remember to emit the weak
- // reference!
- if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
- if (GV->hasExternalWeakLinkage())
- ExtWeakSymbols.insert(GV);
-
EmitGlobalConstant(C);
O << '\n';
}
if (Subtarget->isTargetDarwin()) {
SwitchToDataSection("");
+ O << '\n';
// Output stubs for dynamically-linked functions
- for (StringSet<>::iterator i = FnStubs.begin(), e = FnStubs.end();
- i != e; ++i) {
+ for (StringMap<FnStubInfo>::iterator I = FnStubs.begin(), E = FnStubs.end();
+ I != E; ++I) {
+ const FnStubInfo &Info = I->second;
if (TM.getRelocationModel() == Reloc::PIC_)
SwitchToTextSection(".section __TEXT,__picsymbolstub4,symbol_stubs,"
"none,16", 0);
EmitAlignment(2);
O << "\t.code\t32\n";
- const char *p = i->getKeyData();
- printSuffixedName(p, "$stub");
- O << ":\n";
- O << "\t.indirect_symbol " << p << "\n";
- O << "\tldr ip, ";
- printSuffixedName(p, "$slp");
- O << "\n";
+ O << Info.Stub << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << '\n';
+ O << "\tldr ip, " << Info.SLP << '\n';
if (TM.getRelocationModel() == Reloc::PIC_) {
- printSuffixedName(p, "$scv");
- O << ":\n";
+ O << Info.SCV << ":\n";
O << "\tadd ip, pc, ip\n";
}
O << "\tldr pc, [ip, #0]\n";
- printSuffixedName(p, "$slp");
- O << ":\n";
- O << "\t.long\t";
- printSuffixedName(p, "$lazy_ptr");
- if (TM.getRelocationModel() == Reloc::PIC_) {
- O << "-(";
- printSuffixedName(p, "$scv");
- O << "+8)\n";
- } else
- O << "\n";
+ O << Info.SLP << ":\n";
+ O << "\t.long\t" << Info.LazyPtr;
+ if (TM.getRelocationModel() == Reloc::PIC_)
+ O << "-(" << Info.SCV << "+8)";
+ O << '\n';
+
SwitchToDataSection(".lazy_symbol_pointer", 0);
- printSuffixedName(p, "$lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << "\n";
+ O << Info.LazyPtr << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << "\n";
O << "\t.long\tdyld_stub_binding_helper\n";
}
- O << "\n";
+ O << '\n';
// Output non-lazy-pointers for external and common global variables.
if (!GVNonLazyPtrs.empty()) {
SwitchToDataSection("\t.non_lazy_symbol_pointer", 0);
- for (StringSet<>::iterator i = GVNonLazyPtrs.begin(),
- e = GVNonLazyPtrs.end(); i != e; ++i) {
- const char *p = i->getKeyData();
- printSuffixedName(p, "$non_lazy_ptr");
- O << ":\n";
- O << "\t.indirect_symbol " << p << "\n";
+ for (StringMap<std::string>::iterator I = GVNonLazyPtrs.begin(),
+ E = GVNonLazyPtrs.end(); I != E; ++I) {
+ O << I->second << ":\n";
+ O << "\t.indirect_symbol " << I->getKeyData() << "\n";
O << "\t.long\t0\n";
}
}
if (!HiddenGVNonLazyPtrs.empty()) {
SwitchToSection(TAI->getDataSection());
- for (StringSet<>::iterator i = HiddenGVNonLazyPtrs.begin(),
- e = HiddenGVNonLazyPtrs.end(); i != e; ++i) {
- const char *p = i->getKeyData();
+ for (StringMap<std::string>::iterator I = HiddenGVNonLazyPtrs.begin(),
+ E = HiddenGVNonLazyPtrs.end(); I != E; ++I) {
EmitAlignment(2);
- printSuffixedName(p, "$non_lazy_ptr");
- O << ":\n";
- O << "\t.long " << p << "\n";
+ O << I->second << ":\n";
+ O << "\t.long " << I->getKeyData() << "\n";
}
}
- // Emit initial debug information.
- DW->EndModule();
-
// Funny Darwin hack: This flag tells the linker that no global symbols
// contain code that falls through to other global symbols (e.g. the obvious
// implementation of multiple entry points). If this doesn't occur, the
// linker can safely perform dead code stripping. Since LLVM never
// generates code that does this, it is always safe to set.
O << "\t.subsections_via_symbols\n";
- } else {
- // Emit final debug information for ELF.
- DW->EndModule();
}
return AsmPrinter::doFinalization(M);
/// using the given target machine description. This should work
/// regardless of whether the function is in SSA form.
///
-FunctionPass *llvm::createARMCodePrinterPass(raw_ostream &o,
- ARMTargetMachine &tm,
- CodeGenOpt::Level OptLevel,
+FunctionPass *llvm::createARMCodePrinterPass(formatted_raw_ostream &o,
+ TargetMachine &tm,
bool verbose) {
- return new ARMAsmPrinter(o, tm, tm.getTargetAsmInfo(), OptLevel, verbose);
+ return new ARMAsmPrinter(o, tm, tm.getTargetAsmInfo(), verbose);
}
-namespace {
- static struct Register {
- Register() {
- ARMTargetMachine::registerAsmPrinter(createARMCodePrinterPass);
- }
- } Registrator;
+// Force static initialization.
+extern "C" void LLVMInitializeARMAsmPrinter() {
+ extern Target TheARMTarget, TheThumbTarget;
+ TargetRegistry::RegisterAsmPrinter(TheARMTarget, createARMCodePrinterPass);
+ TargetRegistry::RegisterAsmPrinter(TheThumbTarget, createARMCodePrinterPass);
}
projects / oota-llvm.git / blobdiff