X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FARM%2FARMAsmPrinter.cpp;h=f5f1247243724b44d45fc852e49dcb4497d9bfd5;hb=5f53aadd9c9fa073ce5eabc630002b77f9663cf9;hp=49c2512f4d26ad23162cafc5026dd970387d5e95;hpb=1336daad86de3d09d8a2319be3b12f91d4632563;p=oota-llvm.git diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp index 49c2512f4d2..f5f12472437 100644 --- a/lib/Target/ARM/ARMAsmPrinter.cpp +++ b/lib/Target/ARM/ARMAsmPrinter.cpp @@ -80,14 +80,14 @@ void ARMAsmPrinter::EmitFunctionEntryLabel() { OutStreamer->EmitLabel(CurrentFnSym); } -void ARMAsmPrinter::EmitXXStructor(const Constant *CV) { - uint64_t Size = TM.getDataLayout()->getTypeAllocSize(CV->getType()); +void ARMAsmPrinter::EmitXXStructor(const DataLayout &DL, const Constant *CV) { + uint64_t Size = getDataLayout().getTypeAllocSize(CV->getType()); assert(Size && "C++ constructor pointer had zero size!"); const GlobalValue *GV = dyn_cast(CV->stripPointerCasts()); assert(GV && "C++ constructor pointer was not a GlobalValue!"); - const MCExpr *E = MCSymbolRefExpr::Create(GetARMGVSymbol(GV, + const MCExpr *E = MCSymbolRefExpr::create(GetARMGVSymbol(GV, ARMII::MO_NO_FLAG), (Subtarget->isTargetELF() ? MCSymbolRefExpr::VK_ARM_TARGET1 @@ -144,7 +144,7 @@ bool ARMAsmPrinter::runOnMachineFunction(MachineFunction &MF) { } void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum, - raw_ostream &O, const char *Modifier) { + raw_ostream &O) { const MachineOperand &MO = MI->getOperand(OpNum); unsigned TF = MO.getTargetFlags(); @@ -165,27 +165,23 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum, case MachineOperand::MO_Immediate: { int64_t Imm = MO.getImm(); O << '#'; - if ((Modifier && strcmp(Modifier, "lo16") == 0) || - (TF == ARMII::MO_LO16)) + if (TF == ARMII::MO_LO16) O << ":lower16:"; - else if ((Modifier && strcmp(Modifier, "hi16") == 0) || - (TF == ARMII::MO_HI16)) + else if (TF == ARMII::MO_HI16) O << ":upper16:"; O << Imm; break; } case MachineOperand::MO_MachineBasicBlock: - O << *MO.getMBB()->getSymbol(); + MO.getMBB()->getSymbol()->print(O, MAI); return; case MachineOperand::MO_GlobalAddress: { const GlobalValue *GV = MO.getGlobal(); - if ((Modifier && strcmp(Modifier, "lo16") == 0) || - (TF & ARMII::MO_LO16)) + if (TF & ARMII::MO_LO16) O << ":lower16:"; - else if ((Modifier && strcmp(Modifier, "hi16") == 0) || - (TF & ARMII::MO_HI16)) + else if (TF & ARMII::MO_HI16) O << ":upper16:"; - O << *GetARMGVSymbol(GV, TF); + GetARMGVSymbol(GV, TF)->print(O, MAI); printOffset(MO.getOffset(), O); if (TF == ARMII::MO_PLT) @@ -193,7 +189,7 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum, break; } case MachineOperand::MO_ConstantPoolIndex: - O << *GetCPISymbol(MO.getIndex()); + GetCPISymbol(MO.getIndex())->print(O, MAI); break; } } @@ -201,21 +197,12 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum, //===--------------------------------------------------------------------===// MCSymbol *ARMAsmPrinter:: -GetARMJTIPICJumpTableLabel2(unsigned uid, unsigned uid2) const { - const DataLayout *DL = TM.getDataLayout(); +GetARMJTIPICJumpTableLabel(unsigned uid) const { + const DataLayout &DL = getDataLayout(); SmallString<60> Name; - raw_svector_ostream(Name) << DL->getPrivateGlobalPrefix() << "JTI" - << getFunctionNumber() << '_' << uid << '_' << uid2; - return OutContext.GetOrCreateSymbol(Name); -} - - -MCSymbol *ARMAsmPrinter::GetARMSJLJEHLabel() const { - const DataLayout *DL = TM.getDataLayout(); - SmallString<60> Name; - raw_svector_ostream(Name) << DL->getPrivateGlobalPrefix() << "SJLJEH" - << getFunctionNumber(); - return OutContext.GetOrCreateSymbol(Name); + raw_svector_ostream(Name) << DL.getPrivateGlobalPrefix() << "JTI" + << getFunctionNumber() << '_' << uid; + return OutContext.getOrCreateSymbol(Name); } bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum, @@ -433,7 +420,7 @@ void ARMAsmPrinter::emitInlineAsmEnd(const MCSubtargetInfo &StartInfo, } void ARMAsmPrinter::EmitStartOfAsmFile(Module &M) { - Triple TT(TM.getTargetTriple()); + const Triple &TT = TM.getTargetTriple(); // Use unified assembler syntax. OutStreamer->EmitAssemblerFlag(MCAF_SyntaxUnified); @@ -471,13 +458,13 @@ emitNonLazySymbolPointer(MCStreamer &OutStreamer, MCSymbol *StubLabel, // using NLPs; however, sometimes the types are local to the file. // We need to fill in the value for the NLP in those cases. OutStreamer.EmitValue( - MCSymbolRefExpr::Create(MCSym.getPointer(), OutStreamer.getContext()), + MCSymbolRefExpr::create(MCSym.getPointer(), OutStreamer.getContext()), 4 /*size*/); } void ARMAsmPrinter::EmitEndOfAsmFile(Module &M) { - Triple TT(TM.getTargetTriple()); + const Triple &TT = TM.getTargetTriple(); if (TT.isOSBinFormatMachO()) { // All darwin targets use mach-o. const TargetLoweringObjectFileMachO &TLOFMacho = @@ -568,7 +555,7 @@ void ARMAsmPrinter::emitAttributes() { // anyhow. // FIXME: For ifunc related functions we could iterate over and look // for a feature string that doesn't match the default one. - StringRef TT = TM.getTargetTriple(); + const Triple &TT = TM.getTargetTriple(); StringRef CPU = TM.getTargetCPU(); StringRef FS = TM.getTargetFeatureString(); std::string ArchFS = ARM_MC::ParseARMTriple(TT, CPU); @@ -591,7 +578,7 @@ void ARMAsmPrinter::emitAttributes() { // We consider krait as a "cortex-a9" + hwdiv CPU // Enable hwdiv through ".arch_extension idiv" if (STI.hasDivide() || STI.hasDivideInARMMode()) - ATS.emitArchExtension(ARM::AEK_HWDIV); + ATS.emitArchExtension(ARM::AEK_HWDIV | ARM::AEK_HWDIVARM); } else ATS.emitTextAttribute(ARMBuildAttrs::CPU_name, CPUString); } @@ -634,7 +621,7 @@ void ARMAsmPrinter::emitAttributes() { } else if (STI.hasVFP4()) ATS.emitFPU(ARM::FK_NEON_VFPV4); else - ATS.emitFPU(ARM::FK_NEON); + ATS.emitFPU(STI.hasFP16() ? ARM::FK_NEON_FP16 : ARM::FK_NEON); // Emit Tag_Advanced_SIMD_arch for ARMv8 architecture if (STI.hasV8Ops()) ATS.emitAttribute(ARMBuildAttrs::Advanced_SIMD_arch, @@ -644,11 +631,21 @@ void ARMAsmPrinter::emitAttributes() { if (STI.hasFPARMv8()) // FPv5 and FP-ARMv8 have the same instructions, so are modeled as one // FPU, but there are two different names for it depending on the CPU. - ATS.emitFPU(STI.hasD16() ? ARM::FK_FPV5_D16 : ARM::FK_FP_ARMV8); + ATS.emitFPU(STI.hasD16() + ? (STI.isFPOnlySP() ? ARM::FK_FPV5_SP_D16 : ARM::FK_FPV5_D16) + : ARM::FK_FP_ARMV8); else if (STI.hasVFP4()) - ATS.emitFPU(STI.hasD16() ? ARM::FK_VFPV4_D16 : ARM::FK_VFPV4); + ATS.emitFPU(STI.hasD16() + ? (STI.isFPOnlySP() ? ARM::FK_FPV4_SP_D16 : ARM::FK_VFPV4_D16) + : ARM::FK_VFPV4); else if (STI.hasVFP3()) - ATS.emitFPU(STI.hasD16() ? ARM::FK_VFPV3_D16 : ARM::FK_VFPV3); + ATS.emitFPU(STI.hasD16() + // +d16 + ? (STI.isFPOnlySP() + ? (STI.hasFP16() ? ARM::FK_VFPV3XD_FP16 : ARM::FK_VFPV3XD) + : (STI.hasFP16() ? ARM::FK_VFPV3_D16_FP16 : ARM::FK_VFPV3_D16)) + // -d16 + : (STI.hasFP16() ? ARM::FK_VFPV3_FP16 : ARM::FK_VFPV3)); else if (STI.hasVFP2()) ATS.emitFPU(ARM::FK_VFPV2); } @@ -810,7 +807,7 @@ void ARMAsmPrinter::emitAttributes() { static MCSymbol *getPICLabel(const char *Prefix, unsigned FunctionNumber, unsigned LabelId, MCContext &Ctx) { - MCSymbol *Label = Ctx.GetOrCreateSymbol(Twine(Prefix) + MCSymbol *Label = Ctx.getOrCreateSymbol(Twine(Prefix) + "PC" + Twine(FunctionNumber) + "_" + Twine(LabelId)); return Label; } @@ -860,7 +857,7 @@ MCSymbol *ARMAsmPrinter::GetARMGVSymbol(const GlobalValue *GV, Name = "__imp_"; getNameWithPrefix(Name, GV); - return OutContext.GetOrCreateSymbol(Name); + return OutContext.getOrCreateSymbol(Name); } else if (Subtarget->isTargetELF()) { return getSymbol(GV); } @@ -869,8 +866,8 @@ MCSymbol *ARMAsmPrinter::GetARMGVSymbol(const GlobalValue *GV, void ARMAsmPrinter:: EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) { - const DataLayout *DL = TM.getDataLayout(); - int Size = TM.getDataLayout()->getTypeAllocSize(MCPV->getType()); + const DataLayout &DL = getDataLayout(); + int Size = DL.getTypeAllocSize(MCPV->getType()); ARMConstantPoolValue *ACPV = static_cast(MCPV); @@ -899,47 +896,42 @@ EmitMachineConstantPoolValue(MachineConstantPoolValue *MCPV) { // Create an MCSymbol for the reference. const MCExpr *Expr = - MCSymbolRefExpr::Create(MCSym, getModifierVariantKind(ACPV->getModifier()), + MCSymbolRefExpr::create(MCSym, getModifierVariantKind(ACPV->getModifier()), OutContext); if (ACPV->getPCAdjustment()) { - MCSymbol *PCLabel = getPICLabel(DL->getPrivateGlobalPrefix(), - getFunctionNumber(), - ACPV->getLabelId(), - OutContext); - const MCExpr *PCRelExpr = MCSymbolRefExpr::Create(PCLabel, OutContext); + MCSymbol *PCLabel = + getPICLabel(DL.getPrivateGlobalPrefix(), getFunctionNumber(), + ACPV->getLabelId(), OutContext); + const MCExpr *PCRelExpr = MCSymbolRefExpr::create(PCLabel, OutContext); PCRelExpr = - MCBinaryExpr::CreateAdd(PCRelExpr, - MCConstantExpr::Create(ACPV->getPCAdjustment(), + MCBinaryExpr::createAdd(PCRelExpr, + MCConstantExpr::create(ACPV->getPCAdjustment(), OutContext), OutContext); if (ACPV->mustAddCurrentAddress()) { // We want "( - .)", but MC doesn't have a concept of the '.' // label, so just emit a local label end reference that instead. - MCSymbol *DotSym = OutContext.CreateTempSymbol(); + MCSymbol *DotSym = OutContext.createTempSymbol(); OutStreamer->EmitLabel(DotSym); - const MCExpr *DotExpr = MCSymbolRefExpr::Create(DotSym, OutContext); - PCRelExpr = MCBinaryExpr::CreateSub(PCRelExpr, DotExpr, OutContext); + const MCExpr *DotExpr = MCSymbolRefExpr::create(DotSym, OutContext); + PCRelExpr = MCBinaryExpr::createSub(PCRelExpr, DotExpr, OutContext); } - Expr = MCBinaryExpr::CreateSub(Expr, PCRelExpr, OutContext); + Expr = MCBinaryExpr::createSub(Expr, PCRelExpr, OutContext); } OutStreamer->EmitValue(Expr, Size); } -void ARMAsmPrinter::EmitJumpTable(const MachineInstr *MI) { - unsigned Opcode = MI->getOpcode(); - int OpNum = 1; - if (Opcode == ARM::BR_JTadd) - OpNum = 2; - else if (Opcode == ARM::BR_JTm) - OpNum = 3; - - const MachineOperand &MO1 = MI->getOperand(OpNum); - const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id +void ARMAsmPrinter::EmitJumpTableAddrs(const MachineInstr *MI) { + const MachineOperand &MO1 = MI->getOperand(1); unsigned JTI = MO1.getIndex(); + // Make sure the Thumb jump table is 4-byte aligned. This will be a nop for + // ARM mode tables. + EmitAlignment(2); + // Emit a label for the jump table. - MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm()); + MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel(JTI); OutStreamer->EmitLabel(JTISymbol); // Mark the jump table as data-in-code. @@ -960,16 +952,16 @@ void ARMAsmPrinter::EmitJumpTable(const MachineInstr *MI) { // LJTI_0_0: // .word (LBB0 - LJTI_0_0) // .word (LBB1 - LJTI_0_0) - const MCExpr *Expr = MCSymbolRefExpr::Create(MBB->getSymbol(), OutContext); + const MCExpr *Expr = MCSymbolRefExpr::create(MBB->getSymbol(), OutContext); if (TM.getRelocationModel() == Reloc::PIC_) - Expr = MCBinaryExpr::CreateSub(Expr, MCSymbolRefExpr::Create(JTISymbol, + Expr = MCBinaryExpr::createSub(Expr, MCSymbolRefExpr::create(JTISymbol, OutContext), OutContext); // If we're generating a table of Thumb addresses in static relocation // model, we need to add one to keep interworking correctly. else if (AFI->isThumbFunction()) - Expr = MCBinaryExpr::CreateAdd(Expr, MCConstantExpr::Create(1,OutContext), + Expr = MCBinaryExpr::createAdd(Expr, MCConstantExpr::create(1,OutContext), OutContext); OutStreamer->EmitValue(Expr, 4); } @@ -977,65 +969,78 @@ void ARMAsmPrinter::EmitJumpTable(const MachineInstr *MI) { OutStreamer->EmitDataRegion(MCDR_DataRegionEnd); } -void ARMAsmPrinter::EmitJump2Table(const MachineInstr *MI) { - unsigned Opcode = MI->getOpcode(); - int OpNum = (Opcode == ARM::t2BR_JT) ? 2 : 1; - const MachineOperand &MO1 = MI->getOperand(OpNum); - const MachineOperand &MO2 = MI->getOperand(OpNum+1); // Unique Id +void ARMAsmPrinter::EmitJumpTableInsts(const MachineInstr *MI) { + const MachineOperand &MO1 = MI->getOperand(1); unsigned JTI = MO1.getIndex(); - MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, MO2.getImm()); + MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel(JTI); OutStreamer->EmitLabel(JTISymbol); // Emit each entry of the table. const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo(); const std::vector &JT = MJTI->getJumpTables(); const std::vector &JTBBs = JT[JTI].MBBs; - unsigned OffsetWidth = 4; - if (MI->getOpcode() == ARM::t2TBB_JT) { - OffsetWidth = 1; - // Mark the jump table as data-in-code. - OutStreamer->EmitDataRegion(MCDR_DataRegionJT8); - } else if (MI->getOpcode() == ARM::t2TBH_JT) { - OffsetWidth = 2; - // Mark the jump table as data-in-code. - OutStreamer->EmitDataRegion(MCDR_DataRegionJT16); - } for (unsigned i = 0, e = JTBBs.size(); i != e; ++i) { MachineBasicBlock *MBB = JTBBs[i]; - const MCExpr *MBBSymbolExpr = MCSymbolRefExpr::Create(MBB->getSymbol(), + const MCExpr *MBBSymbolExpr = MCSymbolRefExpr::create(MBB->getSymbol(), OutContext); // If this isn't a TBB or TBH, the entries are direct branch instructions. - if (OffsetWidth == 4) { - EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::t2B) + EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::t2B) .addExpr(MBBSymbolExpr) .addImm(ARMCC::AL) .addReg(0)); - continue; - } + } +} + +void ARMAsmPrinter::EmitJumpTableTBInst(const MachineInstr *MI, + unsigned OffsetWidth) { + assert((OffsetWidth == 1 || OffsetWidth == 2) && "invalid tbb/tbh width"); + const MachineOperand &MO1 = MI->getOperand(1); + unsigned JTI = MO1.getIndex(); + + MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel(JTI); + OutStreamer->EmitLabel(JTISymbol); + + // Emit each entry of the table. + const MachineJumpTableInfo *MJTI = MF->getJumpTableInfo(); + const std::vector &JT = MJTI->getJumpTables(); + const std::vector &JTBBs = JT[JTI].MBBs; + + // Mark the jump table as data-in-code. + OutStreamer->EmitDataRegion(OffsetWidth == 1 ? MCDR_DataRegionJT8 + : MCDR_DataRegionJT16); + + for (auto MBB : JTBBs) { + const MCExpr *MBBSymbolExpr = MCSymbolRefExpr::create(MBB->getSymbol(), + OutContext); // Otherwise it's an offset from the dispatch instruction. Construct an // MCExpr for the entry. We want a value of the form: - // (BasicBlockAddr - TableBeginAddr) / 2 + // (BasicBlockAddr - TBBInstAddr + 4) / 2 // // For example, a TBB table with entries jumping to basic blocks BB0 and BB1 // would look like: // LJTI_0_0: - // .byte (LBB0 - LJTI_0_0) / 2 - // .byte (LBB1 - LJTI_0_0) / 2 - const MCExpr *Expr = - MCBinaryExpr::CreateSub(MBBSymbolExpr, - MCSymbolRefExpr::Create(JTISymbol, OutContext), - OutContext); - Expr = MCBinaryExpr::CreateDiv(Expr, MCConstantExpr::Create(2, OutContext), + // .byte (LBB0 - (LCPI0_0 + 4)) / 2 + // .byte (LBB1 - (LCPI0_0 + 4)) / 2 + // where LCPI0_0 is a label defined just before the TBB instruction using + // this table. + MCSymbol *TBInstPC = GetCPISymbol(MI->getOperand(0).getImm()); + const MCExpr *Expr = MCBinaryExpr::createAdd( + MCSymbolRefExpr::create(TBInstPC, OutContext), + MCConstantExpr::create(4, OutContext), OutContext); + Expr = MCBinaryExpr::createSub(MBBSymbolExpr, Expr, OutContext); + Expr = MCBinaryExpr::createDiv(Expr, MCConstantExpr::create(2, OutContext), OutContext); OutStreamer->EmitValue(Expr, OffsetWidth); } // Mark the end of jump table data-in-code region. 32-bit offsets use // actual branch instructions here, so we don't mark those as a data-region // at all. - if (OffsetWidth != 4) - OutStreamer->EmitDataRegion(MCDR_DataRegionEnd); + OutStreamer->EmitDataRegion(MCDR_DataRegionEnd); + + // Make sure the next instruction is 2-byte aligned. + EmitAlignment(1); } void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) { @@ -1183,7 +1188,7 @@ void ARMAsmPrinter::EmitUnwindingInstruction(const MachineInstr *MI) { #include "ARMGenMCPseudoLowering.inc" void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { - const DataLayout *DL = TM.getDataLayout(); + const DataLayout &DL = getDataLayout(); // If we just ended a constant pool, mark it as such. if (InConstantPool && MI->getOpcode() != ARM::CONSTPOOL_ENTRY) { @@ -1218,7 +1223,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { : (MI->getOpcode() == ARM::tLEApcrel ? ARM::tADR : ARM::ADR)) .addReg(MI->getOperand(0).getReg()) - .addExpr(MCSymbolRefExpr::Create(CPISymbol, OutContext)) + .addExpr(MCSymbolRefExpr::create(CPISymbol, OutContext)) // Add predicate operands. .addImm(MI->getOperand(2).getImm()) .addReg(MI->getOperand(3).getReg())); @@ -1228,17 +1233,16 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { case ARM::tLEApcrelJT: case ARM::t2LEApcrelJT: { MCSymbol *JTIPICSymbol = - GetARMJTIPICJumpTableLabel2(MI->getOperand(1).getIndex(), - MI->getOperand(2).getImm()); + GetARMJTIPICJumpTableLabel(MI->getOperand(1).getIndex()); EmitToStreamer(*OutStreamer, MCInstBuilder(MI->getOpcode() == ARM::t2LEApcrelJT ? ARM::t2ADR : (MI->getOpcode() == ARM::tLEApcrelJT ? ARM::tADR : ARM::ADR)) .addReg(MI->getOperand(0).getReg()) - .addExpr(MCSymbolRefExpr::Create(JTIPICSymbol, OutContext)) + .addExpr(MCSymbolRefExpr::create(JTIPICSymbol, OutContext)) // Add predicate operands. - .addImm(MI->getOperand(3).getImm()) - .addReg(MI->getOperand(4).getReg())); + .addImm(MI->getOperand(2).getImm()) + .addReg(MI->getOperand(3).getReg())); return; } // Darwin call instructions are just normal call instructions with different @@ -1277,7 +1281,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { } if (!TRegSym) { - TRegSym = OutContext.CreateTempSymbol(); + TRegSym = OutContext.createTempSymbol(); ThumbIndirectPads.push_back(std::make_pair(TReg, TRegSym)); } @@ -1285,7 +1289,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::tBL) // Predicate comes first here. .addImm(ARMCC::AL).addReg(0) - .addExpr(MCSymbolRefExpr::Create(TRegSym, OutContext))); + .addExpr(MCSymbolRefExpr::create(TRegSym, OutContext))); return; } case ARM::BMOVPCRX_CALL: { @@ -1322,7 +1326,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { const GlobalValue *GV = Op.getGlobal(); const unsigned TF = Op.getTargetFlags(); MCSymbol *GVSym = GetARMGVSymbol(GV, TF); - const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); + const MCExpr *GVSymExpr = MCSymbolRefExpr::create(GVSym, OutContext); EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::Bcc) .addExpr(GVSymExpr) // Add predicate operands. @@ -1334,30 +1338,30 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { case ARM::t2MOVi16_ga_pcrel: { MCInst TmpInst; TmpInst.setOpcode(Opc == ARM::MOVi16_ga_pcrel? ARM::MOVi16 : ARM::t2MOVi16); - TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); + TmpInst.addOperand(MCOperand::createReg(MI->getOperand(0).getReg())); unsigned TF = MI->getOperand(1).getTargetFlags(); const GlobalValue *GV = MI->getOperand(1).getGlobal(); MCSymbol *GVSym = GetARMGVSymbol(GV, TF); - const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); + const MCExpr *GVSymExpr = MCSymbolRefExpr::create(GVSym, OutContext); - MCSymbol *LabelSym = getPICLabel(DL->getPrivateGlobalPrefix(), - getFunctionNumber(), - MI->getOperand(2).getImm(), OutContext); - const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext); + MCSymbol *LabelSym = + getPICLabel(DL.getPrivateGlobalPrefix(), getFunctionNumber(), + MI->getOperand(2).getImm(), OutContext); + const MCExpr *LabelSymExpr= MCSymbolRefExpr::create(LabelSym, OutContext); unsigned PCAdj = (Opc == ARM::MOVi16_ga_pcrel) ? 8 : 4; const MCExpr *PCRelExpr = - ARMMCExpr::CreateLower16(MCBinaryExpr::CreateSub(GVSymExpr, - MCBinaryExpr::CreateAdd(LabelSymExpr, - MCConstantExpr::Create(PCAdj, OutContext), + ARMMCExpr::createLower16(MCBinaryExpr::createSub(GVSymExpr, + MCBinaryExpr::createAdd(LabelSymExpr, + MCConstantExpr::create(PCAdj, OutContext), OutContext), OutContext), OutContext); - TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr)); + TmpInst.addOperand(MCOperand::createExpr(PCRelExpr)); // Add predicate operands. - TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); - TmpInst.addOperand(MCOperand::CreateReg(0)); + TmpInst.addOperand(MCOperand::createImm(ARMCC::AL)); + TmpInst.addOperand(MCOperand::createReg(0)); // Add 's' bit operand (always reg0 for this) - TmpInst.addOperand(MCOperand::CreateReg(0)); + TmpInst.addOperand(MCOperand::createReg(0)); EmitToStreamer(*OutStreamer, TmpInst); return; } @@ -1366,30 +1370,30 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { MCInst TmpInst; TmpInst.setOpcode(Opc == ARM::MOVTi16_ga_pcrel ? ARM::MOVTi16 : ARM::t2MOVTi16); - TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); - TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); + TmpInst.addOperand(MCOperand::createReg(MI->getOperand(0).getReg())); + TmpInst.addOperand(MCOperand::createReg(MI->getOperand(1).getReg())); unsigned TF = MI->getOperand(2).getTargetFlags(); const GlobalValue *GV = MI->getOperand(2).getGlobal(); MCSymbol *GVSym = GetARMGVSymbol(GV, TF); - const MCExpr *GVSymExpr = MCSymbolRefExpr::Create(GVSym, OutContext); + const MCExpr *GVSymExpr = MCSymbolRefExpr::create(GVSym, OutContext); - MCSymbol *LabelSym = getPICLabel(DL->getPrivateGlobalPrefix(), - getFunctionNumber(), - MI->getOperand(3).getImm(), OutContext); - const MCExpr *LabelSymExpr= MCSymbolRefExpr::Create(LabelSym, OutContext); + MCSymbol *LabelSym = + getPICLabel(DL.getPrivateGlobalPrefix(), getFunctionNumber(), + MI->getOperand(3).getImm(), OutContext); + const MCExpr *LabelSymExpr= MCSymbolRefExpr::create(LabelSym, OutContext); unsigned PCAdj = (Opc == ARM::MOVTi16_ga_pcrel) ? 8 : 4; const MCExpr *PCRelExpr = - ARMMCExpr::CreateUpper16(MCBinaryExpr::CreateSub(GVSymExpr, - MCBinaryExpr::CreateAdd(LabelSymExpr, - MCConstantExpr::Create(PCAdj, OutContext), + ARMMCExpr::createUpper16(MCBinaryExpr::createSub(GVSymExpr, + MCBinaryExpr::createAdd(LabelSymExpr, + MCConstantExpr::create(PCAdj, OutContext), OutContext), OutContext), OutContext); - TmpInst.addOperand(MCOperand::CreateExpr(PCRelExpr)); + TmpInst.addOperand(MCOperand::createExpr(PCRelExpr)); // Add predicate operands. - TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); - TmpInst.addOperand(MCOperand::CreateReg(0)); + TmpInst.addOperand(MCOperand::createImm(ARMCC::AL)); + TmpInst.addOperand(MCOperand::createReg(0)); // Add 's' bit operand (always reg0 for this) - TmpInst.addOperand(MCOperand::CreateReg(0)); + TmpInst.addOperand(MCOperand::createReg(0)); EmitToStreamer(*OutStreamer, TmpInst); return; } @@ -1400,10 +1404,9 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { // This adds the address of LPC0 to r0. // Emit the label. - OutStreamer->EmitLabel(getPICLabel(DL->getPrivateGlobalPrefix(), + OutStreamer->EmitLabel(getPICLabel(DL.getPrivateGlobalPrefix(), getFunctionNumber(), - MI->getOperand(2).getImm(), - OutContext)); + MI->getOperand(2).getImm(), OutContext)); // Form and emit the add. EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::tADDhirr) @@ -1422,10 +1425,9 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { // This adds the address of LPC0 to r0. // Emit the label. - OutStreamer->EmitLabel(getPICLabel(DL->getPrivateGlobalPrefix(), + OutStreamer->EmitLabel(getPICLabel(DL.getPrivateGlobalPrefix(), getFunctionNumber(), - MI->getOperand(2).getImm(), - OutContext)); + MI->getOperand(2).getImm(), OutContext)); // Form and emit the add. EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::ADDrr) @@ -1454,10 +1456,9 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { // a PC-relative address at the ldr instruction. // Emit the label. - OutStreamer->EmitLabel(getPICLabel(DL->getPrivateGlobalPrefix(), + OutStreamer->EmitLabel(getPICLabel(DL.getPrivateGlobalPrefix(), getFunctionNumber(), - MI->getOperand(2).getImm(), - OutContext)); + MI->getOperand(2).getImm(), OutContext)); // Form and emit the load unsigned Opcode; @@ -1505,9 +1506,19 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { if (MCPE.isMachineConstantPoolEntry()) EmitMachineConstantPoolValue(MCPE.Val.MachineCPVal); else - EmitGlobalConstant(MCPE.Val.ConstVal); + EmitGlobalConstant(DL, MCPE.Val.ConstVal); return; } + case ARM::JUMPTABLE_ADDRS: + EmitJumpTableAddrs(MI); + return; + case ARM::JUMPTABLE_INSTS: + EmitJumpTableInsts(MI); + return; + case ARM::JUMPTABLE_TBB: + case ARM::JUMPTABLE_TBH: + EmitJumpTableTBInst(MI, MI->getOpcode() == ARM::JUMPTABLE_TBB ? 1 : 2); + return; case ARM::t2BR_JT: { // Lower and emit the instruction itself, then the jump table following it. EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::tMOVr) @@ -1516,37 +1527,19 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { // Add predicate operands. .addImm(ARMCC::AL) .addReg(0)); - - // Output the data for the jump table itself - EmitJump2Table(MI); - return; - } - case ARM::t2TBB_JT: { - // Lower and emit the instruction itself, then the jump table following it. - EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::t2TBB) - .addReg(ARM::PC) - .addReg(MI->getOperand(0).getReg()) - // Add predicate operands. - .addImm(ARMCC::AL) - .addReg(0)); - - // Output the data for the jump table itself - EmitJump2Table(MI); - // Make sure the next instruction is 2-byte aligned. - EmitAlignment(1); return; } + case ARM::t2TBB_JT: case ARM::t2TBH_JT: { - // Lower and emit the instruction itself, then the jump table following it. - EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::t2TBH) - .addReg(ARM::PC) - .addReg(MI->getOperand(0).getReg()) - // Add predicate operands. - .addImm(ARMCC::AL) - .addReg(0)); - - // Output the data for the jump table itself - EmitJump2Table(MI); + unsigned Opc = MI->getOpcode() == ARM::t2TBB_JT ? ARM::t2TBB : ARM::t2TBH; + // Lower and emit the PC label, then the instruction itself. + OutStreamer->EmitLabel(GetCPISymbol(MI->getOperand(3).getImm())); + EmitToStreamer(*OutStreamer, MCInstBuilder(Opc) + .addReg(MI->getOperand(0).getReg()) + .addReg(MI->getOperand(1).getReg()) + // Add predicate operands. + .addImm(ARMCC::AL) + .addReg(0)); return; } case ARM::tBR_JTr: @@ -1557,22 +1550,15 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { unsigned Opc = MI->getOpcode() == ARM::BR_JTr ? ARM::MOVr : ARM::tMOVr; TmpInst.setOpcode(Opc); - TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); - TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); + TmpInst.addOperand(MCOperand::createReg(ARM::PC)); + TmpInst.addOperand(MCOperand::createReg(MI->getOperand(0).getReg())); // Add predicate operands. - TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); - TmpInst.addOperand(MCOperand::CreateReg(0)); + TmpInst.addOperand(MCOperand::createImm(ARMCC::AL)); + TmpInst.addOperand(MCOperand::createReg(0)); // Add 's' bit operand (always reg0 for this) if (Opc == ARM::MOVr) - TmpInst.addOperand(MCOperand::CreateReg(0)); + TmpInst.addOperand(MCOperand::createReg(0)); EmitToStreamer(*OutStreamer, TmpInst); - - // Make sure the Thumb jump table is 4-byte aligned. - if (Opc == ARM::tMOVr) - EmitAlignment(2); - - // Output the data for the jump table itself - EmitJumpTable(MI); return; } case ARM::BR_JTm: { @@ -1582,23 +1568,20 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { if (MI->getOperand(1).getReg() == 0) { // literal offset TmpInst.setOpcode(ARM::LDRi12); - TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); - TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); - TmpInst.addOperand(MCOperand::CreateImm(MI->getOperand(2).getImm())); + TmpInst.addOperand(MCOperand::createReg(ARM::PC)); + TmpInst.addOperand(MCOperand::createReg(MI->getOperand(0).getReg())); + TmpInst.addOperand(MCOperand::createImm(MI->getOperand(2).getImm())); } else { TmpInst.setOpcode(ARM::LDRrs); - TmpInst.addOperand(MCOperand::CreateReg(ARM::PC)); - TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg())); - TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(1).getReg())); - TmpInst.addOperand(MCOperand::CreateImm(0)); + TmpInst.addOperand(MCOperand::createReg(ARM::PC)); + TmpInst.addOperand(MCOperand::createReg(MI->getOperand(0).getReg())); + TmpInst.addOperand(MCOperand::createReg(MI->getOperand(1).getReg())); + TmpInst.addOperand(MCOperand::createImm(0)); } // Add predicate operands. - TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); - TmpInst.addOperand(MCOperand::CreateReg(0)); + TmpInst.addOperand(MCOperand::createImm(ARMCC::AL)); + TmpInst.addOperand(MCOperand::createReg(0)); EmitToStreamer(*OutStreamer, TmpInst); - - // Output the data for the jump table itself - EmitJumpTable(MI); return; } case ARM::BR_JTadd: { @@ -1613,9 +1596,6 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { .addReg(0) // Add 's' bit operand (always reg0 for this) .addReg(0)); - - // Output the data for the jump table itself - EmitJumpTable(MI); return; } case ARM::SPACE: @@ -1660,12 +1640,12 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { // adds $val, #7 // str $val, [$src, #4] // movs r0, #0 - // b 1f + // b LSJLJEH // movs r0, #1 - // 1: + // LSJLJEH: unsigned SrcReg = MI->getOperand(0).getReg(); unsigned ValReg = MI->getOperand(1).getReg(); - MCSymbol *Label = GetARMSJLJEHLabel(); + MCSymbol *Label = OutContext.createTempSymbol("SJLJEH", false, true); OutStreamer->AddComment("eh_setjmp begin"); EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::tMOVr) .addReg(ValReg) @@ -1702,7 +1682,7 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) { .addImm(ARMCC::AL) .addReg(0)); - const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Label, OutContext); + const MCExpr *SymbolExpr = MCSymbolRefExpr::create(Label, OutContext); EmitToStreamer(*OutStreamer, MCInstBuilder(ARM::tB) .addExpr(SymbolExpr) .addImm(ARMCC::AL)