#define DEBUG_TYPE "ptx-asm-printer"
#include "PTX.h"
+#include "PTXAsmPrinter.h"
#include "PTXMachineFunctionInfo.h"
+#include "PTXParamManager.h"
+#include "PTXRegisterInfo.h"
#include "PTXTargetMachine.h"
+#include "llvm/Argument.h"
#include "llvm/DerivedTypes.h"
+#include "llvm/Function.h"
#include "llvm/Module.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/Twine.h"
+#include "llvm/Analysis/DebugInfo.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Target/Mangler.h"
#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetRegistry.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
-namespace {
-class PTXAsmPrinter : public AsmPrinter {
-public:
- explicit PTXAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
- : AsmPrinter(TM, Streamer) {}
-
- const char *getPassName() const { return "PTX Assembly Printer"; }
-
- bool doFinalization(Module &M);
-
- virtual void EmitStartOfAsmFile(Module &M);
-
- virtual bool runOnMachineFunction(MachineFunction &MF);
-
- virtual void EmitFunctionBodyStart();
- virtual void EmitFunctionBodyEnd() { OutStreamer.EmitRawText(Twine("}")); }
-
- virtual void EmitInstruction(const MachineInstr *MI);
-
- void printOperand(const MachineInstr *MI, int opNum, raw_ostream &OS);
- void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &OS,
- const char *Modifier = 0);
- void printParamOperand(const MachineInstr *MI, int opNum, raw_ostream &OS,
- const char *Modifier = 0);
- void printPredicateOperand(const MachineInstr *MI, raw_ostream &O);
+static const char PARAM_PREFIX[] = "__param_";
+static const char RETURN_PREFIX[] = "__ret_";
- // autogen'd.
- void printInstruction(const MachineInstr *MI, raw_ostream &OS);
- static const char *getRegisterName(unsigned RegNo);
+static const char *getRegisterTypeName(unsigned RegNo,
+ const MachineRegisterInfo& MRI) {
+ const TargetRegisterClass *TRC = MRI.getRegClass(RegNo);
-private:
- void EmitVariableDeclaration(const GlobalVariable *gv);
- void EmitFunctionDeclaration();
-}; // class PTXAsmPrinter
-} // namespace
+#define TEST_REGCLS(cls, clsstr) \
+ if (PTX::cls ## RegisterClass == TRC) return # clsstr;
-static const char PARAM_PREFIX[] = "__param_";
-
-static const char *getRegisterTypeName(unsigned RegNo) {
-#define TEST_REGCLS(cls, clsstr) \
- if (PTX::cls ## RegisterClass->contains(RegNo)) return # clsstr;
TEST_REGCLS(RegPred, pred);
TEST_REGCLS(RegI16, b16);
TEST_REGCLS(RegI32, b32);
static const char *getStateSpaceName(unsigned addressSpace) {
switch (addressSpace) {
default: llvm_unreachable("Unknown state space");
- case PTX::GLOBAL: return "global";
- case PTX::CONSTANT: return "const";
- case PTX::LOCAL: return "local";
- case PTX::PARAMETER: return "param";
- case PTX::SHARED: return "shared";
+ case PTXStateSpace::Global: return "global";
+ case PTXStateSpace::Constant: return "const";
+ case PTXStateSpace::Local: return "local";
+ case PTXStateSpace::Parameter: return "param";
+ case PTXStateSpace::Shared: return "shared";
}
return NULL;
}
-static const char *getTypeName(const Type* type) {
+static const char *getTypeName(Type* type) {
while (true) {
switch (type->getTypeID()) {
default: llvm_unreachable("Unknown type");
}
case Type::ArrayTyID:
case Type::PointerTyID:
- type = dyn_cast<const SequentialType>(type)->getElementType();
+ type = dyn_cast<SequentialType>(type)->getElementType();
break;
}
}
{
const PTXSubtarget& ST = TM.getSubtarget<PTXSubtarget>();
+ // Emit the PTX .version and .target attributes
OutStreamer.EmitRawText(Twine("\t.version " + ST.getPTXVersionString()));
OutStreamer.EmitRawText(Twine("\t.target " + ST.getTargetString() +
(ST.supportsDouble() ? ""
OutStreamer.AddBlankLine();
+ // Define any .file directives
+ DebugInfoFinder DbgFinder;
+ DbgFinder.processModule(M);
+
+ for (DebugInfoFinder::iterator I = DbgFinder.compile_unit_begin(),
+ E = DbgFinder.compile_unit_end(); I != E; ++I) {
+ DICompileUnit DIUnit(*I);
+ StringRef FN = DIUnit.getFilename();
+ StringRef Dir = DIUnit.getDirectory();
+ GetOrCreateSourceID(FN, Dir);
+ }
+
+ OutStreamer.AddBlankLine();
+
// declare global variables
for (Module::const_global_iterator i = M.global_begin(), e = M.global_end();
i != e; ++i)
EmitVariableDeclaration(i);
}
-bool PTXAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- SetupMachineFunction(MF);
- EmitFunctionDeclaration();
- EmitFunctionBody();
- return false;
-}
-
void PTXAsmPrinter::EmitFunctionBodyStart() {
OutStreamer.EmitRawText(Twine("{"));
const PTXMachineFunctionInfo *MFI = MF->getInfo<PTXMachineFunctionInfo>();
+ const PTXParamManager &PM = MFI->getParamManager();
+
+ // Print register definitions
+ std::string regDefs;
+ unsigned numRegs;
+
+ // pred
+ numRegs = MFI->getNumRegistersForClass(PTX::RegPredRegisterClass);
+ if(numRegs > 0) {
+ regDefs += "\t.reg .pred %p<";
+ regDefs += utostr(numRegs);
+ regDefs += ">;\n";
+ }
- // Print local variable definition
- for (PTXMachineFunctionInfo::reg_iterator
- i = MFI->localVarRegBegin(), e = MFI->localVarRegEnd(); i != e; ++ i) {
- unsigned reg = *i;
-
- std::string def = "\t.reg .";
- def += getRegisterTypeName(reg);
- def += ' ';
- def += getRegisterName(reg);
- def += ';';
- OutStreamer.EmitRawText(Twine(def));
+ // i16
+ numRegs = MFI->getNumRegistersForClass(PTX::RegI16RegisterClass);
+ if(numRegs > 0) {
+ regDefs += "\t.reg .b16 %rh<";
+ regDefs += utostr(numRegs);
+ regDefs += ">;\n";
}
- const MachineFrameInfo* FrameInfo = MF->getFrameInfo();
- DEBUG(dbgs() << "Have " << FrameInfo->getNumObjects() << " frame object(s)\n");
- for (unsigned i = 0, e = FrameInfo->getNumObjects(); i != e; ++i) {
- DEBUG(dbgs() << "Size of object: " << FrameInfo->getObjectSize(i) << "\n");
- std::string def = "\t.reg .b";
- def += utostr(FrameInfo->getObjectSize(i)*8); // Convert to bits
- def += " s";
- def += utostr(i);
- def += ";";
- OutStreamer.EmitRawText(Twine(def));
+ // i32
+ numRegs = MFI->getNumRegistersForClass(PTX::RegI32RegisterClass);
+ if(numRegs > 0) {
+ regDefs += "\t.reg .b32 %r<";
+ regDefs += utostr(numRegs);
+ regDefs += ">;\n";
}
-}
-void PTXAsmPrinter::EmitInstruction(const MachineInstr *MI) {
- std::string str;
- str.reserve(64);
+ // i64
+ numRegs = MFI->getNumRegistersForClass(PTX::RegI64RegisterClass);
+ if(numRegs > 0) {
+ regDefs += "\t.reg .b64 %rd<";
+ regDefs += utostr(numRegs);
+ regDefs += ">;\n";
+ }
- raw_string_ostream OS(str);
+ // f32
+ numRegs = MFI->getNumRegistersForClass(PTX::RegF32RegisterClass);
+ if(numRegs > 0) {
+ regDefs += "\t.reg .f32 %f<";
+ regDefs += utostr(numRegs);
+ regDefs += ">;\n";
+ }
- // Emit predicate
- printPredicateOperand(MI, OS);
+ // f64
+ numRegs = MFI->getNumRegistersForClass(PTX::RegF64RegisterClass);
+ if(numRegs > 0) {
+ regDefs += "\t.reg .f64 %fd<";
+ regDefs += utostr(numRegs);
+ regDefs += ">;\n";
+ }
- // Write instruction to str
- printInstruction(MI, OS);
- OS << ';';
- OS.flush();
+ // Local params
+ for (PTXParamManager::param_iterator i = PM.local_begin(), e = PM.local_end();
+ i != e; ++i) {
+ regDefs += "\t.param .b";
+ regDefs += utostr(PM.getParamSize(*i));
+ regDefs += " ";
+ regDefs += PM.getParamName(*i);
+ regDefs += ";\n";
+ }
- StringRef strref = StringRef(str);
- OutStreamer.EmitRawText(strref);
-}
+ OutStreamer.EmitRawText(Twine(regDefs));
-void PTXAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
- raw_ostream &OS) {
- const MachineOperand &MO = MI->getOperand(opNum);
- switch (MO.getType()) {
- default:
- llvm_unreachable("<unknown operand type>");
- break;
- case MachineOperand::MO_GlobalAddress:
- OS << *Mang->getSymbol(MO.getGlobal());
- break;
- case MachineOperand::MO_Immediate:
- OS << (long) MO.getImm();
- break;
- case MachineOperand::MO_MachineBasicBlock:
- OS << *MO.getMBB()->getSymbol();
- break;
- case MachineOperand::MO_Register:
- OS << getRegisterName(MO.getReg());
- break;
- case MachineOperand::MO_FPImmediate:
- APInt constFP = MO.getFPImm()->getValueAPF().bitcastToAPInt();
- bool isFloat = MO.getFPImm()->getType()->getTypeID() == Type::FloatTyID;
- // Emit 0F for 32-bit floats and 0D for 64-bit doubles.
- if (isFloat) {
- OS << "0F";
- }
- else {
- OS << "0D";
- }
- // Emit the encoded floating-point value.
- if (constFP.getZExtValue() > 0) {
- OS << constFP.toString(16, false);
- }
- else {
- OS << "00000000";
- // If We have a double-precision zero, pad to 8-bytes.
- if (!isFloat) {
- OS << "00000000";
- }
- }
- break;
+ const MachineFrameInfo* FrameInfo = MF->getFrameInfo();
+ DEBUG(dbgs() << "Have " << FrameInfo->getNumObjects()
+ << " frame object(s)\n");
+ for (unsigned i = 0, e = FrameInfo->getNumObjects(); i != e; ++i) {
+ DEBUG(dbgs() << "Size of object: " << FrameInfo->getObjectSize(i) << "\n");
+ if (FrameInfo->getObjectSize(i) > 0) {
+ std::string def = "\t.local .align ";
+ def += utostr(FrameInfo->getObjectAlignment(i));
+ def += " .b8";
+ def += " __local";
+ def += utostr(i);
+ def += "[";
+ def += utostr(FrameInfo->getObjectSize(i)); // Convert to bits
+ def += "]";
+ def += ";";
+ OutStreamer.EmitRawText(Twine(def));
+ }
}
-}
-
-void PTXAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum,
- raw_ostream &OS, const char *Modifier) {
- printOperand(MI, opNum, OS);
- if (MI->getOperand(opNum+1).isImm() && MI->getOperand(opNum+1).getImm() == 0)
- return; // don't print "+0"
+ //unsigned Index = 1;
+ // Print parameter passing params
+ //for (PTXMachineFunctionInfo::param_iterator
+ // i = MFI->paramBegin(), e = MFI->paramEnd(); i != e; ++i) {
+ // std::string def = "\t.param .b";
+ // def += utostr(*i);
+ // def += " __ret_";
+ // def += utostr(Index);
+ // Index++;
+ // def += ";";
+ // OutStreamer.EmitRawText(Twine(def));
+ //}
+}
- OS << "+";
- printOperand(MI, opNum+1, OS);
+void PTXAsmPrinter::EmitFunctionBodyEnd() {
+ OutStreamer.EmitRawText(Twine("}"));
}
-void PTXAsmPrinter::printParamOperand(const MachineInstr *MI, int opNum,
- raw_ostream &OS, const char *Modifier) {
- OS << PARAM_PREFIX << (int) MI->getOperand(opNum).getImm() + 1;
+void PTXAsmPrinter::EmitInstruction(const MachineInstr *MI) {
+ MCInst TmpInst;
+ LowerPTXMachineInstrToMCInst(MI, TmpInst, *this);
+ OutStreamer.EmitInstruction(TmpInst);
}
void PTXAsmPrinter::EmitVariableDeclaration(const GlobalVariable *gv) {
unsigned alignment = gv->getAlignment();
if (alignment != 0) {
decl += ".align ";
- decl += utostr(Log2_32(gv->getAlignment()));
+ decl += utostr(gv->getAlignment());
decl += " ";
}
if (PointerType::classof(gv->getType())) {
- const PointerType* pointerTy = dyn_cast<const PointerType>(gv->getType());
- const Type* elementTy = pointerTy->getElementType();
+ PointerType* pointerTy = dyn_cast<PointerType>(gv->getType());
+ Type* elementTy = pointerTy->getElementType();
decl += ".b8 ";
decl += gvsym->getName();
{
assert(elementTy->isArrayTy() && "Only pointers to arrays are supported");
- const ArrayType* arrayTy = dyn_cast<const ArrayType>(elementTy);
+ ArrayType* arrayTy = dyn_cast<ArrayType>(elementTy);
elementTy = arrayTy->getElementType();
unsigned numElements = arrayTy->getNumElements();
while (elementTy->isArrayTy()) {
- arrayTy = dyn_cast<const ArrayType>(elementTy);
+ arrayTy = dyn_cast<ArrayType>(elementTy);
elementTy = arrayTy->getElementType();
numElements *= arrayTy->getNumElements();
if (gv->hasInitializer())
{
- const Constant *C = gv->getInitializer();
+ const Constant *C = gv->getInitializer();
if (const ConstantArray *CA = dyn_cast<ConstantArray>(C))
{
decl += " = {";
OutStreamer.AddBlankLine();
}
-void PTXAsmPrinter::EmitFunctionDeclaration() {
+void PTXAsmPrinter::EmitFunctionEntryLabel() {
// The function label could have already been emitted if two symbols end up
// conflicting due to asm renaming. Detect this and emit an error.
if (!CurrentFnSym->isUndefined()) {
}
const PTXMachineFunctionInfo *MFI = MF->getInfo<PTXMachineFunctionInfo>();
+ const PTXParamManager &PM = MFI->getParamManager();
const bool isKernel = MFI->isKernel();
+ const PTXSubtarget& ST = TM.getSubtarget<PTXSubtarget>();
+ const MachineRegisterInfo& MRI = MF->getRegInfo();
std::string decl = isKernel ? ".entry" : ".func";
if (!isKernel) {
decl += " (";
+ if (ST.useParamSpaceForDeviceArgs()) {
+ for (PTXParamManager::param_iterator i = PM.ret_begin(), e = PM.ret_end(),
+ b = i; i != e; ++i) {
+ if (i != b) {
+ decl += ", ";
+ }
- for (PTXMachineFunctionInfo::ret_iterator
- i = MFI->retRegBegin(), e = MFI->retRegEnd(), b = i;
- i != e; ++i) {
- if (i != b) {
- decl += ", ";
+ decl += ".param .b";
+ decl += utostr(PM.getParamSize(*i));
+ decl += " ";
+ decl += PM.getParamName(*i);
+ }
+ } else {
+ for (PTXMachineFunctionInfo::reg_iterator
+ i = MFI->retreg_begin(), e = MFI->retreg_end(), b = i;
+ i != e; ++i) {
+ if (i != b) {
+ decl += ", ";
+ }
+ decl += ".reg .";
+ decl += getRegisterTypeName(*i, MRI);
+ decl += " ";
+ decl += MFI->getRegisterName(*i);
}
- decl += ".reg .";
- decl += getRegisterTypeName(*i);
- decl += " ";
- decl += getRegisterName(*i);
}
decl += ")";
}
decl += " (";
- unsigned cnt = 0;
+ const Function *F = MF->getFunction();
// Print parameters
- for (PTXMachineFunctionInfo::reg_iterator
- i = MFI->argRegBegin(), e = MFI->argRegEnd(), b = i;
- i != e; ++i) {
- if (i != b) {
- decl += ", ";
- }
- if (isKernel) {
+ if (isKernel || ST.useParamSpaceForDeviceArgs()) {
+ /*for (PTXParamManager::param_iterator i = PM.arg_begin(), e = PM.arg_end(),
+ b = i; i != e; ++i) {
+ if (i != b) {
+ decl += ", ";
+ }
+
decl += ".param .b";
- decl += utostr(*i);
+ decl += utostr(PM.getParamSize(*i));
decl += " ";
- decl += PARAM_PREFIX;
- decl += utostr(++cnt);
- } else {
+ decl += PM.getParamName(*i);
+ }*/
+ int Counter = 1;
+ for (Function::const_arg_iterator i = F->arg_begin(), e = F->arg_end(),
+ b = i; i != e; ++i) {
+ if (i != b)
+ decl += ", ";
+ const Type *ArgType = (*i).getType();
+ decl += ".param .b";
+ if (ArgType->isPointerTy()) {
+ if (ST.is64Bit())
+ decl += "64";
+ else
+ decl += "32";
+ } else {
+ decl += utostr(ArgType->getPrimitiveSizeInBits());
+ }
+ if (ArgType->isPointerTy() && ST.emitPtrAttribute()) {
+ const PointerType *PtrType = dyn_cast<const PointerType>(ArgType);
+ decl += " .ptr";
+ switch (PtrType->getAddressSpace()) {
+ default:
+ llvm_unreachable("Unknown address space in argument");
+ case PTXStateSpace::Global:
+ decl += " .global";
+ break;
+ case PTXStateSpace::Shared:
+ decl += " .shared";
+ break;
+ }
+ }
+ decl += " __param_";
+ decl += utostr(Counter++);
+ }
+ } else {
+ for (PTXMachineFunctionInfo::reg_iterator
+ i = MFI->argreg_begin(), e = MFI->argreg_end(), b = i;
+ i != e; ++i) {
+ if (i != b) {
+ decl += ", ";
+ }
+
decl += ".reg .";
- decl += getRegisterTypeName(*i);
+ decl += getRegisterTypeName(*i, MRI);
decl += " ";
- decl += getRegisterName(*i);
+ decl += MFI->getRegisterName(*i);
}
}
decl += ")";
- // // Print parameter list
- // if (!MFI->argRegEmpty()) {
- // decl += " (";
- // if (isKernel) {
- // unsigned cnt = 0;
- // for(PTXMachineFunctionInfo::reg_iterator
- // i = MFI->argRegBegin(), e = MFI->argRegEnd(), b = i;
- // i != e; ++i) {
- // reg = *i;
- // assert(reg != PTX::NoRegister && "Not a valid register!");
- // if (i != b)
- // decl += ", ";
- // decl += ".param .";
- // decl += getRegisterTypeName(reg);
- // decl += " ";
- // decl += PARAM_PREFIX;
- // decl += utostr(++cnt);
- // }
- // } else {
- // for (PTXMachineFunctionInfo::reg_iterator
- // i = MFI->argRegBegin(), e = MFI->argRegEnd(), b = i;
- // i != e; ++i) {
- // reg = *i;
- // assert(reg != PTX::NoRegister && "Not a valid register!");
- // if (i != b)
- // decl += ", ";
- // decl += ".reg .";
- // decl += getRegisterTypeName(reg);
- // decl += " ";
- // decl += getRegisterName(reg);
- // }
- // }
- // decl += ")";
- // }
-
OutStreamer.EmitRawText(Twine(decl));
}
-void PTXAsmPrinter::
-printPredicateOperand(const MachineInstr *MI, raw_ostream &O) {
- int i = MI->findFirstPredOperandIdx();
- if (i == -1)
- llvm_unreachable("missing predicate operand");
+unsigned PTXAsmPrinter::GetOrCreateSourceID(StringRef FileName,
+ StringRef DirName) {
+ // If FE did not provide a file name, then assume stdin.
+ if (FileName.empty())
+ return GetOrCreateSourceID("<stdin>", StringRef());
+
+ // MCStream expects full path name as filename.
+ if (!DirName.empty() && !sys::path::is_absolute(FileName)) {
+ SmallString<128> FullPathName = DirName;
+ sys::path::append(FullPathName, FileName);
+ // Here FullPathName will be copied into StringMap by GetOrCreateSourceID.
+ return GetOrCreateSourceID(StringRef(FullPathName), StringRef());
+ }
- unsigned reg = MI->getOperand(i).getReg();
- int predOp = MI->getOperand(i+1).getImm();
+ StringMapEntry<unsigned> &Entry = SourceIdMap.GetOrCreateValue(FileName);
+ if (Entry.getValue())
+ return Entry.getValue();
- DEBUG(dbgs() << "predicate: (" << reg << ", " << predOp << ")\n");
+ unsigned SrcId = SourceIdMap.size();
+ Entry.setValue(SrcId);
- if (reg != PTX::NoRegister) {
- O << '@';
- if (predOp == PTX::PRED_NEGATE)
- O << '!';
- O << getRegisterName(reg);
- }
+ // Print out a .file directive to specify files for .loc directives.
+ OutStreamer.EmitDwarfFileDirective(SrcId, "", Entry.getKey());
+
+ return SrcId;
+}
+
+MCOperand PTXAsmPrinter::GetSymbolRef(const MachineOperand &MO,
+ const MCSymbol *Symbol) {
+ const MCExpr *Expr;
+ Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, OutContext);
+ return MCOperand::CreateExpr(Expr);
}
-#include "PTXGenAsmWriter.inc"
+MCOperand PTXAsmPrinter::lowerOperand(const MachineOperand &MO) {
+ MCOperand MCOp;
+ const PTXMachineFunctionInfo *MFI = MF->getInfo<PTXMachineFunctionInfo>();
+ const MCExpr *Expr;
+ const char *RegSymbolName;
+ switch (MO.getType()) {
+ default:
+ llvm_unreachable("Unknown operand type");
+ case MachineOperand::MO_Register:
+ // We create register operands as symbols, since the PTXInstPrinter class
+ // has no way to map virtual registers back to a name without some ugly
+ // hacks.
+ // FIXME: Figure out a better way to handle virtual register naming.
+ RegSymbolName = MFI->getRegisterName(MO.getReg());
+ Expr = MCSymbolRefExpr::Create(RegSymbolName, MCSymbolRefExpr::VK_None,
+ OutContext);
+ MCOp = MCOperand::CreateExpr(Expr);
+ break;
+ case MachineOperand::MO_Immediate:
+ MCOp = MCOperand::CreateImm(MO.getImm());
+ break;
+ case MachineOperand::MO_MachineBasicBlock:
+ MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
+ MO.getMBB()->getSymbol(), OutContext));
+ break;
+ case MachineOperand::MO_GlobalAddress:
+ MCOp = GetSymbolRef(MO, Mang->getSymbol(MO.getGlobal()));
+ break;
+ case MachineOperand::MO_ExternalSymbol:
+ MCOp = GetSymbolRef(MO, GetExternalSymbolSymbol(MO.getSymbolName()));
+ break;
+ case MachineOperand::MO_FPImmediate:
+ APFloat Val = MO.getFPImm()->getValueAPF();
+ bool ignored;
+ Val.convert(APFloat::IEEEdouble, APFloat::rmTowardZero, &ignored);
+ MCOp = MCOperand::CreateFPImm(Val.convertToDouble());
+ break;
+ }
+
+ return MCOp;
+}
// Force static initialization.
extern "C" void LLVMInitializePTXAsmPrinter() {
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