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diff --git a/contrib/llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp b/contrib/llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
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+++ b/contrib/llvm/lib/Target/NVPTX/NVPTXAsmPrinter.cpp
@@ -0,0 +1,2064 @@
+//===-- NVPTXAsmPrinter.cpp - NVPTX LLVM assembly writer ------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains a printer that converts from our internal representation
+// of machine-dependent LLVM code to NVPTX assembly language.
+//
+//===----------------------------------------------------------------------===//
+
+#include "NVPTXAsmPrinter.h"
+#include "NVPTX.h"
+#include "NVPTXInstrInfo.h"
+#include "NVPTXTargetMachine.h"
+#include "NVPTXRegisterInfo.h"
+#include "NVPTXUtilities.h"
+#include "MCTargetDesc/NVPTXMCAsmInfo.h"
+#include "NVPTXNumRegisters.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/DebugInfo.h"
+#include "llvm/Function.h"
+#include "llvm/GlobalVariable.h"
+#include "llvm/Module.h"
+#include "llvm/CodeGen/Analysis.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/MachineFrameInfo.h"
+#include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/Target/Mangler.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Support/TimeValue.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Analysis/ConstantFolding.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Assembly/Writer.h"
+#include "cl_common_defines.h"
+#include <sstream>
+using namespace llvm;
+
+
+#include "NVPTXGenAsmWriter.inc"
+
+bool RegAllocNilUsed = true;
+
+#define DEPOTNAME "__local_depot"
+
+static cl::opt<bool>
+EmitLineNumbers("nvptx-emit-line-numbers",
+ cl::desc("NVPTX Specific: Emit Line numbers even without -G"),
+ cl::init(true));
+
+namespace llvm {
+bool InterleaveSrcInPtx = false;
+}
+
+static cl::opt<bool, true>InterleaveSrc("nvptx-emit-src",
+ cl::ZeroOrMore,
+ cl::desc("NVPTX Specific: Emit source line in ptx file"),
+ cl::location(llvm::InterleaveSrcInPtx));
+
+
+
+
+// @TODO: This is a copy from AsmPrinter.cpp. The function is static, so we
+// cannot just link to the existing version.
+/// LowerConstant - Lower the specified LLVM Constant to an MCExpr.
+///
+using namespace nvptx;
+const MCExpr *nvptx::LowerConstant(const Constant *CV, AsmPrinter &AP) {
+ MCContext &Ctx = AP.OutContext;
+
+ if (CV->isNullValue() || isa<UndefValue>(CV))
+ return MCConstantExpr::Create(0, Ctx);
+
+ if (const ConstantInt *CI = dyn_cast<ConstantInt>(CV))
+ return MCConstantExpr::Create(CI->getZExtValue(), Ctx);
+
+ if (const GlobalValue *GV = dyn_cast<GlobalValue>(CV))
+ return MCSymbolRefExpr::Create(AP.Mang->getSymbol(GV), Ctx);
+
+ if (const BlockAddress *BA = dyn_cast<BlockAddress>(CV))
+ return MCSymbolRefExpr::Create(AP.GetBlockAddressSymbol(BA), Ctx);
+
+ const ConstantExpr *CE = dyn_cast<ConstantExpr>(CV);
+ if (CE == 0)
+ llvm_unreachable("Unknown constant value to lower!");
+
+
+ switch (CE->getOpcode()) {
+ default:
+ // If the code isn't optimized, there may be outstanding folding
+ // opportunities. Attempt to fold the expression using TargetData as a
+ // last resort before giving up.
+ if (Constant *C =
+ ConstantFoldConstantExpression(CE, AP.TM.getTargetData()))
+ if (C != CE)
+ return LowerConstant(C, AP);
+
+ // Otherwise report the problem to the user.
+ {
+ std::string S;
+ raw_string_ostream OS(S);
+ OS << "Unsupported expression in static initializer: ";
+ WriteAsOperand(OS, CE, /*PrintType=*/false,
+ !AP.MF ? 0 : AP.MF->getFunction()->getParent());
+ report_fatal_error(OS.str());
+ }
+ case Instruction::GetElementPtr: {
+ const TargetData &TD = *AP.TM.getTargetData();
+ // Generate a symbolic expression for the byte address
+ const Constant *PtrVal = CE->getOperand(0);
+ SmallVector<Value*, 8> IdxVec(CE->op_begin()+1, CE->op_end());
+ int64_t Offset = TD.getIndexedOffset(PtrVal->getType(), IdxVec);
+
+ const MCExpr *Base = LowerConstant(CE->getOperand(0), AP);
+ if (Offset == 0)
+ return Base;
+
+ // Truncate/sext the offset to the pointer size.
+ if (TD.getPointerSizeInBits() != 64) {
+ int SExtAmount = 64-TD.getPointerSizeInBits();
+ Offset = (Offset << SExtAmount) >> SExtAmount;
+ }
+
+ return MCBinaryExpr::CreateAdd(Base, MCConstantExpr::Create(Offset, Ctx),
+ Ctx);
+ }
+
+ case Instruction::Trunc:
+ // We emit the value and depend on the assembler to truncate the generated
+ // expression properly. This is important for differences between
+ // blockaddress labels. Since the two labels are in the same function, it
+ // is reasonable to treat their delta as a 32-bit value.
+ // FALL THROUGH.
+ case Instruction::BitCast:
+ return LowerConstant(CE->getOperand(0), AP);
+
+ case Instruction::IntToPtr: {
+ const TargetData &TD = *AP.TM.getTargetData();
+ // Handle casts to pointers by changing them into casts to the appropriate
+ // integer type. This promotes constant folding and simplifies this code.
+ Constant *Op = CE->getOperand(0);
+ Op = ConstantExpr::getIntegerCast(Op, TD.getIntPtrType(CV->getContext()),
+ false/*ZExt*/);
+ return LowerConstant(Op, AP);
+ }
+
+ case Instruction::PtrToInt: {
+ const TargetData &TD = *AP.TM.getTargetData();
+ // Support only foldable casts to/from pointers that can be eliminated by
+ // changing the pointer to the appropriately sized integer type.
+ Constant *Op = CE->getOperand(0);
+ Type *Ty = CE->getType();
+
+ const MCExpr *OpExpr = LowerConstant(Op, AP);
+
+ // We can emit the pointer value into this slot if the slot is an
+ // integer slot equal to the size of the pointer.
+ if (TD.getTypeAllocSize(Ty) == TD.getTypeAllocSize(Op->getType()))
+ return OpExpr;
+
+ // Otherwise the pointer is smaller than the resultant integer, mask off
+ // the high bits so we are sure to get a proper truncation if the input is
+ // a constant expr.
+ unsigned InBits = TD.getTypeAllocSizeInBits(Op->getType());
+ const MCExpr *MaskExpr = MCConstantExpr::Create(~0ULL >> (64-InBits), Ctx);
+ return MCBinaryExpr::CreateAnd(OpExpr, MaskExpr, Ctx);
+ }
+
+ // The MC library also has a right-shift operator, but it isn't consistently
+ // signed or unsigned between different targets.
+ case Instruction::Add:
+ case Instruction::Sub:
+ case Instruction::Mul:
+ case Instruction::SDiv:
+ case Instruction::SRem:
+ case Instruction::Shl:
+ case Instruction::And:
+ case Instruction::Or:
+ case Instruction::Xor: {
+ const MCExpr *LHS = LowerConstant(CE->getOperand(0), AP);
+ const MCExpr *RHS = LowerConstant(CE->getOperand(1), AP);
+ switch (CE->getOpcode()) {
+ default: llvm_unreachable("Unknown binary operator constant cast expr");
+ case Instruction::Add: return MCBinaryExpr::CreateAdd(LHS, RHS, Ctx);
+ case Instruction::Sub: return MCBinaryExpr::CreateSub(LHS, RHS, Ctx);
+ case Instruction::Mul: return MCBinaryExpr::CreateMul(LHS, RHS, Ctx);
+ case Instruction::SDiv: return MCBinaryExpr::CreateDiv(LHS, RHS, Ctx);
+ case Instruction::SRem: return MCBinaryExpr::CreateMod(LHS, RHS, Ctx);
+ case Instruction::Shl: return MCBinaryExpr::CreateShl(LHS, RHS, Ctx);
+ case Instruction::And: return MCBinaryExpr::CreateAnd(LHS, RHS, Ctx);
+ case Instruction::Or: return MCBinaryExpr::CreateOr (LHS, RHS, Ctx);
+ case Instruction::Xor: return MCBinaryExpr::CreateXor(LHS, RHS, Ctx);
+ }
+ }
+ }
+}
+
+
+void NVPTXAsmPrinter::emitLineNumberAsDotLoc(const MachineInstr &MI)
+{
+ if (!EmitLineNumbers)
+ return;
+ if (ignoreLoc(MI))
+ return;
+
+ DebugLoc curLoc = MI.getDebugLoc();
+
+ if (prevDebugLoc.isUnknown() && curLoc.isUnknown())
+ return;
+
+ if (prevDebugLoc == curLoc)
+ return;
+
+ prevDebugLoc = curLoc;
+
+ if (curLoc.isUnknown())
+ return;
+
+
+ const MachineFunction *MF = MI.getParent()->getParent();
+ //const TargetMachine &TM = MF->getTarget();
+
+ const LLVMContext &ctx = MF->getFunction()->getContext();
+ DIScope Scope(curLoc.getScope(ctx));
+
+ if (!Scope.Verify())
+ return;
+
+ StringRef fileName(Scope.getFilename());
+ StringRef dirName(Scope.getDirectory());
+ SmallString<128> FullPathName = dirName;
+ if (!dirName.empty() && !sys::path::is_absolute(fileName)) {
+ sys::path::append(FullPathName, fileName);
+ fileName = FullPathName.str();
+ }
+
+ if (filenameMap.find(fileName.str()) == filenameMap.end())
+ return;
+
+
+ // Emit the line from the source file.
+ if (llvm::InterleaveSrcInPtx)
+ this->emitSrcInText(fileName.str(), curLoc.getLine());
+
+ std::stringstream temp;
+ temp << "\t.loc " << filenameMap[fileName.str()]
+ << " " << curLoc.getLine() << " " << curLoc.getCol();
+ OutStreamer.EmitRawText(Twine(temp.str().c_str()));
+}
+
+void NVPTXAsmPrinter::EmitInstruction(const MachineInstr *MI) {
+ SmallString<128> Str;
+ raw_svector_ostream OS(Str);
+ if (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA)
+ emitLineNumberAsDotLoc(*MI);
+ printInstruction(MI, OS);
+ OutStreamer.EmitRawText(OS.str());
+}
+
+void NVPTXAsmPrinter::printReturnValStr(const Function *F,
+ raw_ostream &O)
+{
+ const TargetData *TD = TM.getTargetData();
+ const TargetLowering *TLI = TM.getTargetLowering();
+
+ Type *Ty = F->getReturnType();
+
+ bool isABI = (nvptxSubtarget.getSmVersion() >= 20);
+
+ if (Ty->getTypeID() == Type::VoidTyID)
+ return;
+
+ O << " (";
+
+ if (isABI) {
+ if (Ty->isPrimitiveType() || Ty->isIntegerTy()) {
+ unsigned size = 0;
+ if (const IntegerType *ITy = dyn_cast<IntegerType>(Ty)) {
+ size = ITy->getBitWidth();
+ if (size < 32) size = 32;
+ } else {
+ assert(Ty->isFloatingPointTy() &&
+ "Floating point type expected here");
+ size = Ty->getPrimitiveSizeInBits();
+ }
+
+ O << ".param .b" << size << " func_retval0";
+ }
+ else if (isa<PointerType>(Ty)) {
+ O << ".param .b" << TLI->getPointerTy().getSizeInBits()
+ << " func_retval0";
+ } else {
+ if ((Ty->getTypeID() == Type::StructTyID) ||
+ isa<VectorType>(Ty)) {
+ SmallVector<EVT, 16> vtparts;
+ ComputeValueVTs(*TLI, Ty, vtparts);
+ unsigned totalsz = 0;
+ for (unsigned i=0,e=vtparts.size(); i!=e; ++i) {
+ unsigned elems = 1;
+ EVT elemtype = vtparts[i];
+ if (vtparts[i].isVector()) {
+ elems = vtparts[i].getVectorNumElements();
+ elemtype = vtparts[i].getVectorElementType();
+ }
+ for (unsigned j=0, je=elems; j!=je; ++j) {
+ unsigned sz = elemtype.getSizeInBits();
+ if (elemtype.isInteger() && (sz < 8)) sz = 8;
+ totalsz += sz/8;
+ }
+ }
+ unsigned retAlignment = 0;
+ if (!llvm::getAlign(*F, 0, retAlignment))
+ retAlignment = TD->getABITypeAlignment(Ty);
+ O << ".param .align "
+ << retAlignment
+ << " .b8 func_retval0["
+ << totalsz << "]";
+ } else
+ assert(false &&
+ "Unknown return type");
+ }
+ } else {
+ SmallVector<EVT, 16> vtparts;
+ ComputeValueVTs(*TLI, Ty, vtparts);
+ unsigned idx = 0;
+ for (unsigned i=0,e=vtparts.size(); i!=e; ++i) {
+ unsigned elems = 1;
+ EVT elemtype = vtparts[i];
+ if (vtparts[i].isVector()) {
+ elems = vtparts[i].getVectorNumElements();
+ elemtype = vtparts[i].getVectorElementType();
+ }
+
+ for (unsigned j=0, je=elems; j!=je; ++j) {
+ unsigned sz = elemtype.getSizeInBits();
+ if (elemtype.isInteger() && (sz < 32)) sz = 32;
+ O << ".reg .b" << sz << " func_retval" << idx;
+ if (j<je-1) O << ", ";
+ ++idx;
+ }
+ if (i < e-1)
+ O << ", ";
+ }
+ }
+ O << ") ";
+ return;
+}
+
+void NVPTXAsmPrinter::printReturnValStr(const MachineFunction &MF,
+ raw_ostream &O) {
+ const Function *F = MF.getFunction();
+ printReturnValStr(F, O);
+}
+
+void NVPTXAsmPrinter::EmitFunctionEntryLabel() {
+ SmallString<128> Str;
+ raw_svector_ostream O(Str);
+
+ // Set up
+ MRI = &MF->getRegInfo();
+ F = MF->getFunction();
+ emitLinkageDirective(F,O);
+ if (llvm::isKernelFunction(*F))
+ O << ".entry ";
+ else {
+ O << ".func ";
+ printReturnValStr(*MF, O);
+ }
+
+ O << *CurrentFnSym;
+
+ emitFunctionParamList(*MF, O);
+
+ if (llvm::isKernelFunction(*F))
+ emitKernelFunctionDirectives(*F, O);
+
+ OutStreamer.EmitRawText(O.str());
+
+ prevDebugLoc = DebugLoc();
+}
+
+void NVPTXAsmPrinter::EmitFunctionBodyStart() {
+ const TargetRegisterInfo &TRI = *TM.getRegisterInfo();
+ unsigned numRegClasses = TRI.getNumRegClasses();
+ VRidGlobal2LocalMap = new std::map<unsigned, unsigned>[numRegClasses+1];
+ OutStreamer.EmitRawText(StringRef("{\n"));
+ setAndEmitFunctionVirtualRegisters(*MF);
+
+ SmallString<128> Str;
+ raw_svector_ostream O(Str);
+ emitDemotedVars(MF->getFunction(), O);
+ OutStreamer.EmitRawText(O.str());
+}
+
+void NVPTXAsmPrinter::EmitFunctionBodyEnd() {
+ OutStreamer.EmitRawText(StringRef("}\n"));
+ delete []VRidGlobal2LocalMap;
+}
+
+
+void
+NVPTXAsmPrinter::emitKernelFunctionDirectives(const Function& F,
+ raw_ostream &O) const {
+ // If the NVVM IR has some of reqntid* specified, then output
+ // the reqntid directive, and set the unspecified ones to 1.
+ // If none of reqntid* is specified, don't output reqntid directive.
+ unsigned reqntidx, reqntidy, reqntidz;
+ bool specified = false;
+ if (llvm::getReqNTIDx(F, reqntidx) == false) reqntidx = 1;
+ else specified = true;
+ if (llvm::getReqNTIDy(F, reqntidy) == false) reqntidy = 1;
+ else specified = true;
+ if (llvm::getReqNTIDz(F, reqntidz) == false) reqntidz = 1;
+ else specified = true;
+
+ if (specified)
+ O << ".reqntid " << reqntidx << ", "
+ << reqntidy << ", " << reqntidz << "\n";
+
+ // If the NVVM IR has some of maxntid* specified, then output
+ // the maxntid directive, and set the unspecified ones to 1.
+ // If none of maxntid* is specified, don't output maxntid directive.
+ unsigned maxntidx, maxntidy, maxntidz;
+ specified = false;
+ if (llvm::getMaxNTIDx(F, maxntidx) == false) maxntidx = 1;
+ else specified = true;
+ if (llvm::getMaxNTIDy(F, maxntidy) == false) maxntidy = 1;
+ else specified = true;
+ if (llvm::getMaxNTIDz(F, maxntidz) == false) maxntidz = 1;
+ else specified = true;
+
+ if (specified)
+ O << ".maxntid " << maxntidx << ", "
+ << maxntidy << ", " << maxntidz << "\n";
+
+ unsigned mincta;
+ if (llvm::getMinCTASm(F, mincta))
+ O << ".minnctapersm " << mincta << "\n";
+}
+
+void
+NVPTXAsmPrinter::getVirtualRegisterName(unsigned vr, bool isVec,
+ raw_ostream &O) {
+ const TargetRegisterClass * RC = MRI->getRegClass(vr);
+ unsigned id = RC->getID();
+
+ std::map<unsigned, unsigned> &regmap = VRidGlobal2LocalMap[id];
+ unsigned mapped_vr = regmap[vr];
+
+ if (!isVec) {
+ O << getNVPTXRegClassStr(RC) << mapped_vr;
+ return;
+ }
+ // Vector virtual register
+ if (getNVPTXVectorSize(RC) == 4)
+ O << "{"
+ << getNVPTXRegClassStr(RC) << mapped_vr << "_0, "
+ << getNVPTXRegClassStr(RC) << mapped_vr << "_1, "
+ << getNVPTXRegClassStr(RC) << mapped_vr << "_2, "
+ << getNVPTXRegClassStr(RC) << mapped_vr << "_3"
+ << "}";
+ else if (getNVPTXVectorSize(RC) == 2)
+ O << "{"
+ << getNVPTXRegClassStr(RC) << mapped_vr << "_0, "
+ << getNVPTXRegClassStr(RC) << mapped_vr << "_1"
+ << "}";
+ else
+ llvm_unreachable("Unsupported vector size");
+}
+
+void
+NVPTXAsmPrinter::emitVirtualRegister(unsigned int vr, bool isVec,
+ raw_ostream &O) {
+ getVirtualRegisterName(vr, isVec, O);
+}
+
+void NVPTXAsmPrinter::printVecModifiedImmediate(const MachineOperand &MO,
+ const char *Modifier,
+ raw_ostream &O) {
+ static const char vecelem[] = {'0', '1', '2', '3', '0', '1', '2', '3'};
+ int Imm = (int)MO.getImm();
+ if(0 == strcmp(Modifier, "vecelem"))
+ O << "_" << vecelem[Imm];
+ else if(0 == strcmp(Modifier, "vecv4comm1")) {
+ if((Imm < 0) || (Imm > 3))
+ O << "//";
+ }
+ else if(0 == strcmp(Modifier, "vecv4comm2")) {
+ if((Imm < 4) || (Imm > 7))
+ O << "//";
+ }
+ else if(0 == strcmp(Modifier, "vecv4pos")) {
+ if(Imm < 0) Imm = 0;
+ O << "_" << vecelem[Imm%4];
+ }
+ else if(0 == strcmp(Modifier, "vecv2comm1")) {
+ if((Imm < 0) || (Imm > 1))
+ O << "//";
+ }
+ else if(0 == strcmp(Modifier, "vecv2comm2")) {
+ if((Imm < 2) || (Imm > 3))
+ O << "//";
+ }
+ else if(0 == strcmp(Modifier, "vecv2pos")) {
+ if(Imm < 0) Imm = 0;
+ O << "_" << vecelem[Imm%2];
+ }
+ else
+ llvm_unreachable("Unknown Modifier on immediate operand");
+}
+
+void NVPTXAsmPrinter::printOperand(const MachineInstr *MI, int opNum,
+ raw_ostream &O, const char *Modifier) {
+ const MachineOperand &MO = MI->getOperand(opNum);
+ switch (MO.getType()) {
+ case MachineOperand::MO_Register:
+ if (TargetRegisterInfo::isPhysicalRegister(MO.getReg())) {
+ if (MO.getReg() == NVPTX::VRDepot)
+ O << DEPOTNAME << getFunctionNumber();
+ else
+ O << getRegisterName(MO.getReg());
+ } else {
+ if (!Modifier)
+ emitVirtualRegister(MO.getReg(), false, O);
+ else {
+ if (strcmp(Modifier, "vecfull") == 0)
+ emitVirtualRegister(MO.getReg(), true, O);
+ else
+ llvm_unreachable(
+ "Don't know how to handle the modifier on virtual register.");
+ }
+ }
+ return;
+
+ case MachineOperand::MO_Immediate:
+ if (!Modifier)
+ O << MO.getImm();
+ else if (strstr(Modifier, "vec") == Modifier)
+ printVecModifiedImmediate(MO, Modifier, O);
+ else
+ llvm_unreachable("Don't know how to handle modifier on immediate operand");
+ return;
+
+ case MachineOperand::MO_FPImmediate:
+ printFPConstant(MO.getFPImm(), O);
+ break;
+
+ case MachineOperand::MO_GlobalAddress:
+ O << *Mang->getSymbol(MO.getGlobal());
+ break;
+
+ case MachineOperand::MO_ExternalSymbol: {
+ const char * symbname = MO.getSymbolName();
+ if (strstr(symbname, ".PARAM") == symbname) {
+ unsigned index;
+ sscanf(symbname+6, "%u[];", &index);
+ printParamName(index, O);
+ }
+ else if (strstr(symbname, ".HLPPARAM") == symbname) {
+ unsigned index;
+ sscanf(symbname+9, "%u[];", &index);
+ O << *CurrentFnSym << "_param_" << index << "_offset";
+ }
+ else
+ O << symbname;
+ break;
+ }
+
+ case MachineOperand::MO_MachineBasicBlock:
+ O << *MO.getMBB()->getSymbol();
+ return;
+
+ default:
+ llvm_unreachable("Operand type not supported.");
+ }
+}
+
+void NVPTXAsmPrinter::
+printImplicitDef(const MachineInstr *MI, raw_ostream &O) const {
+#ifndef __OPTIMIZE__
+ O << "\t// Implicit def :";
+ //printOperand(MI, 0);
+ O << "\n";
+#endif
+}
+
+void NVPTXAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum,
+ raw_ostream &O, const char *Modifier) {
+ printOperand(MI, opNum, O);
+
+ if (Modifier && !strcmp(Modifier, "add")) {
+ O << ", ";
+ printOperand(MI, opNum+1, O);
+ } else {
+ if (MI->getOperand(opNum+1).isImm() &&
+ MI->getOperand(opNum+1).getImm() == 0)
+ return; // don't print ',0' or '+0'
+ O << "+";
+ printOperand(MI, opNum+1, O);
+ }
+}
+
+void NVPTXAsmPrinter::printLdStCode(const MachineInstr *MI, int opNum,
+ raw_ostream &O, const char *Modifier)
+{
+ if (Modifier) {
+ const MachineOperand &MO = MI->getOperand(opNum);
+ int Imm = (int)MO.getImm();
+ if (!strcmp(Modifier, "volatile")) {
+ if (Imm)
+ O << ".volatile";
+ } else if (!strcmp(Modifier, "addsp")) {
+ switch (Imm) {
+ case NVPTX::PTXLdStInstCode::GLOBAL: O << ".global"; break;
+ case NVPTX::PTXLdStInstCode::SHARED: O << ".shared"; break;
+ case NVPTX::PTXLdStInstCode::LOCAL: O << ".local"; break;
+ case NVPTX::PTXLdStInstCode::PARAM: O << ".param"; break;
+ case NVPTX::PTXLdStInstCode::CONSTANT: O << ".const"; break;
+ case NVPTX::PTXLdStInstCode::GENERIC:
+ if (!nvptxSubtarget.hasGenericLdSt())
+ O << ".global";
+ break;
+ default:
+ assert("wrong value");
+ }
+ }
+ else if (!strcmp(Modifier, "sign")) {
+ if (Imm==NVPTX::PTXLdStInstCode::Signed)
+ O << "s";
+ else if (Imm==NVPTX::PTXLdStInstCode::Unsigned)
+ O << "u";
+ else
+ O << "f";
+ }
+ else if (!strcmp(Modifier, "vec")) {
+ if (Imm==NVPTX::PTXLdStInstCode::V2)
+ O << ".v2";
+ else if (Imm==NVPTX::PTXLdStInstCode::V4)
+ O << ".v4";
+ }
+ else
+ assert("unknown modifier");
+ }
+ else
+ assert("unknown modifier");
+}
+
+void NVPTXAsmPrinter::emitDeclaration (const Function *F, raw_ostream &O) {
+
+ emitLinkageDirective(F,O);
+ if (llvm::isKernelFunction(*F))
+ O << ".entry ";
+ else
+ O << ".func ";
+ printReturnValStr(F, O);
+ O << *CurrentFnSym << "\n";
+ emitFunctionParamList(F, O);
+ O << ";\n";
+}
+
+static bool usedInGlobalVarDef(const Constant *C)
+{
+ if (!C)
+ return false;
+
+ if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(C)) {
+ if (GV->getName().str() == "llvm.used")
+ return false;
+ return true;
+ }
+
+ for (Value::const_use_iterator ui=C->use_begin(), ue=C->use_end();
+ ui!=ue; ++ui) {
+ const Constant *C = dyn_cast<Constant>(*ui);
+ if (usedInGlobalVarDef(C))
+ return true;
+ }
+ return false;
+}
+
+static bool usedInOneFunc(const User *U, Function const *&oneFunc)
+{
+ if (const GlobalVariable *othergv = dyn_cast<GlobalVariable>(U)) {
+ if (othergv->getName().str() == "llvm.used")
+ return true;
+ }
+
+ if (const Instruction *instr = dyn_cast<Instruction>(U)) {
+ if (instr->getParent() && instr->getParent()->getParent()) {
+ const Function *curFunc = instr->getParent()->getParent();
+ if (oneFunc && (curFunc != oneFunc))
+ return false;
+ oneFunc = curFunc;
+ return true;
+ }
+ else
+ return false;
+ }
+
+ if (const MDNode *md = dyn_cast<MDNode>(U))
+ if (md->hasName() && ((md->getName().str() == "llvm.dbg.gv") ||
+ (md->getName().str() == "llvm.dbg.sp")))
+ return true;
+
+
+ for (User::const_use_iterator ui=U->use_begin(), ue=U->use_end();
+ ui!=ue; ++ui) {
+ if (usedInOneFunc(*ui, oneFunc) == false)
+ return false;
+ }
+ return true;
+}
+
+/* Find out if a global variable can be demoted to local scope.
+ * Currently, this is valid for CUDA shared variables, which have local
+ * scope and global lifetime. So the conditions to check are :
+ * 1. Is the global variable in shared address space?
+ * 2. Does it have internal linkage?
+ * 3. Is the global variable referenced only in one function?
+ */
+static bool canDemoteGlobalVar(const GlobalVariable *gv, Function const *&f) {
+ if (gv->hasInternalLinkage() == false)
+ return false;
+ const PointerType *Pty = gv->getType();
+ if (Pty->getAddressSpace() != llvm::ADDRESS_SPACE_SHARED)
+ return false;
+
+ const Function *oneFunc = 0;
+
+ bool flag = usedInOneFunc(gv, oneFunc);
+ if (flag == false)
+ return false;
+ if (!oneFunc)
+ return false;
+ f = oneFunc;
+ return true;
+}
+
+static bool useFuncSeen(const Constant *C,
+ llvm::DenseMap<const Function *, bool> &seenMap) {
+ for (Value::const_use_iterator ui=C->use_begin(), ue=C->use_end();
+ ui!=ue; ++ui) {
+ if (const Constant *cu = dyn_cast<Constant>(*ui)) {
+ if (useFuncSeen(cu, seenMap))
+ return true;
+ } else if (const Instruction *I = dyn_cast<Instruction>(*ui)) {
+ const BasicBlock *bb = I->getParent();
+ if (!bb) continue;
+ const Function *caller = bb->getParent();
+ if (!caller) continue;
+ if (seenMap.find(caller) != seenMap.end())
+ return true;
+ }
+ }
+ return false;
+}
+
+void NVPTXAsmPrinter::emitDeclarations (Module &M, raw_ostream &O) {
+ llvm::DenseMap<const Function *, bool> seenMap;
+ for (Module::const_iterator FI=M.begin(), FE=M.end();
+ FI!=FE; ++FI) {
+ const Function *F = FI;
+
+ if (F->isDeclaration()) {
+ if (F->use_empty())
+ continue;
+ if (F->getIntrinsicID())
+ continue;
+ CurrentFnSym = Mang->getSymbol(F);
+ emitDeclaration(F, O);
+ continue;
+ }
+ for (Value::const_use_iterator iter=F->use_begin(),
+ iterEnd=F->use_end(); iter!=iterEnd; ++iter) {
+ if (const Constant *C = dyn_cast<Constant>(*iter)) {
+ if (usedInGlobalVarDef(C)) {
+ // The use is in the initialization of a global variable
+ // that is a function pointer, so print a declaration
+ // for the original function
+ CurrentFnSym = Mang->getSymbol(F);
+ emitDeclaration(F, O);
+ break;
+ }
+ // Emit a declaration of this function if the function that
+ // uses this constant expr has already been seen.
+ if (useFuncSeen(C, seenMap)) {
+ CurrentFnSym = Mang->getSymbol(F);
+ emitDeclaration(F, O);
+ break;
+ }
+ }
+
+ if (!isa<Instruction>(*iter)) continue;
+ const Instruction *instr = cast<Instruction>(*iter);
+ const BasicBlock *bb = instr->getParent();
+ if (!bb) continue;
+ const Function *caller = bb->getParent();
+ if (!caller) continue;
+
+ // If a caller has already been seen, then the caller is
+ // appearing in the module before the callee. so print out
+ // a declaration for the callee.
+ if (seenMap.find(caller) != seenMap.end()) {
+ CurrentFnSym = Mang->getSymbol(F);
+ emitDeclaration(F, O);
+ break;
+ }
+ }
+ seenMap[F] = true;
+ }
+}
+
+void NVPTXAsmPrinter::recordAndEmitFilenames(Module &M) {
+ DebugInfoFinder DbgFinder;
+ DbgFinder.processModule(M);
+
+ unsigned i=1;
+ for (DebugInfoFinder::iterator I = DbgFinder.compile_unit_begin(),
+ E = DbgFinder.compile_unit_end(); I != E; ++I) {
+ DICompileUnit DIUnit(*I);
+ StringRef Filename(DIUnit.getFilename());
+ StringRef Dirname(DIUnit.getDirectory());
+ SmallString<128> FullPathName = Dirname;
+ if (!Dirname.empty() && !sys::path::is_absolute(Filename)) {
+ sys::path::append(FullPathName, Filename);
+ Filename = FullPathName.str();
+ }
+ if (filenameMap.find(Filename.str()) != filenameMap.end())
+ continue;
+ filenameMap[Filename.str()] = i;
+ OutStreamer.EmitDwarfFileDirective(i, "", Filename.str());
+ ++i;
+ }
+
+ for (DebugInfoFinder::iterator I = DbgFinder.subprogram_begin(),
+ E = DbgFinder.subprogram_end(); I != E; ++I) {
+ DISubprogram SP(*I);
+ StringRef Filename(SP.getFilename());
+ StringRef Dirname(SP.getDirectory());
+ SmallString<128> FullPathName = Dirname;
+ if (!Dirname.empty() && !sys::path::is_absolute(Filename)) {
+ sys::path::append(FullPathName, Filename);
+ Filename = FullPathName.str();
+ }
+ if (filenameMap.find(Filename.str()) != filenameMap.end())
+ continue;
+ filenameMap[Filename.str()] = i;
+ ++i;
+ }
+}
+
+bool NVPTXAsmPrinter::doInitialization (Module &M) {
+
+ SmallString<128> Str1;
+ raw_svector_ostream OS1(Str1);
+
+ MMI = getAnalysisIfAvailable<MachineModuleInfo>();
+ MMI->AnalyzeModule(M);
+
+ // We need to call the parent's one explicitly.
+ //bool Result = AsmPrinter::doInitialization(M);
+
+ // Initialize TargetLoweringObjectFile.
+ const_cast<TargetLoweringObjectFile&>(getObjFileLowering())
+ .Initialize(OutContext, TM);
+
+ Mang = new Mangler(OutContext, *TM.getTargetData());
+
+ // Emit header before any dwarf directives are emitted below.
+ emitHeader(M, OS1);
+ OutStreamer.EmitRawText(OS1.str());
+
+
+ // Already commented out
+ //bool Result = AsmPrinter::doInitialization(M);
+
+
+ if (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA)
+ recordAndEmitFilenames(M);
+
+ SmallString<128> Str2;
+ raw_svector_ostream OS2(Str2);
+
+ emitDeclarations(M, OS2);
+
+ // Print out module-level global variables here.
+ for (Module::global_iterator I = M.global_begin(), E = M.global_end();
+ I != E; ++I)
+ printModuleLevelGV(I, OS2);
+
+ OS2 << '\n';
+
+ OutStreamer.EmitRawText(OS2.str());
+ return false; // success
+}
+
+void NVPTXAsmPrinter::emitHeader (Module &M, raw_ostream &O) {
+ O << "//\n";
+ O << "// Generated by LLVM NVPTX Back-End\n";
+ O << "//\n";
+ O << "\n";
+
+ O << ".version 3.0\n";
+
+ O << ".target ";
+ O << nvptxSubtarget.getTargetName();
+
+ if (nvptxSubtarget.getDrvInterface() == NVPTX::NVCL)
+ O << ", texmode_independent";
+ if (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA) {
+ if (!nvptxSubtarget.hasDouble())
+ O << ", map_f64_to_f32";
+ }
+
+ if (MAI->doesSupportDebugInformation())
+ O << ", debug";
+
+ O << "\n";
+
+ O << ".address_size ";
+ if (nvptxSubtarget.is64Bit())
+ O << "64";
+ else
+ O << "32";
+ O << "\n";
+
+ O << "\n";
+}
+
+bool NVPTXAsmPrinter::doFinalization(Module &M) {
+ // XXX Temproarily remove global variables so that doFinalization() will not
+ // emit them again (global variables are emitted at beginning).
+
+ Module::GlobalListType &global_list = M.getGlobalList();
+ int i, n = global_list.size();
+ GlobalVariable **gv_array = new GlobalVariable* [n];
+
+ // first, back-up GlobalVariable in gv_array
+ i = 0;
+ for (Module::global_iterator I = global_list.begin(), E = global_list.end();
+ I != E; ++I)
+ gv_array[i++] = &*I;
+
+ // second, empty global_list
+ while (!global_list.empty())
+ global_list.remove(global_list.begin());
+
+ // call doFinalization
+ bool ret = AsmPrinter::doFinalization(M);
+
+ // now we restore global variables
+ for (i = 0; i < n; i ++)
+ global_list.insert(global_list.end(), gv_array[i]);
+
+ delete[] gv_array;
+ return ret;
+
+
+ //bool Result = AsmPrinter::doFinalization(M);
+ // Instead of calling the parents doFinalization, we may
+ // clone parents doFinalization and customize here.
+ // Currently, we if NVISA out the EmitGlobals() in
+ // parent's doFinalization, which is too intrusive.
+ //
+ // Same for the doInitialization.
+ //return Result;
+}
+
+// This function emits appropriate linkage directives for
+// functions and global variables.
+//
+// extern function declaration -> .extern
+// extern function definition -> .visible
+// external global variable with init -> .visible
+// external without init -> .extern
+// appending -> not allowed, assert.
+
+void NVPTXAsmPrinter::emitLinkageDirective(const GlobalValue* V, raw_ostream &O)
+{
+ if (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA) {
+ if (V->hasExternalLinkage()) {
+ if (isa<GlobalVariable>(V)) {
+ const GlobalVariable *GVar = cast<GlobalVariable>(V);
+ if (GVar) {
+ if (GVar->hasInitializer())
+ O << ".visible ";
+ else
+ O << ".extern ";
+ }
+ } else if (V->isDeclaration())
+ O << ".extern ";
+ else
+ O << ".visible ";
+ } else if (V->hasAppendingLinkage()) {
+ std::string msg;
+ msg.append("Error: ");
+ msg.append("Symbol ");
+ if (V->hasName())
+ msg.append(V->getName().str());
+ msg.append("has unsupported appending linkage type");
+ llvm_unreachable(msg.c_str());
+ }
+ }
+}
+
+
+void NVPTXAsmPrinter::printModuleLevelGV(GlobalVariable* GVar, raw_ostream &O,
+ bool processDemoted) {
+
+ // Skip meta data
+ if (GVar->hasSection()) {
+ if (GVar->getSection() == "llvm.metadata")
+ return;
+ }
+
+ const TargetData *TD = TM.getTargetData();
+
+ // GlobalVariables are always constant pointers themselves.
+ const PointerType *PTy = GVar->getType();
+ Type *ETy = PTy->getElementType();
+
+ if (GVar->hasExternalLinkage()) {
+ if (GVar->hasInitializer())
+ O << ".visible ";
+ else
+ O << ".extern ";
+ }
+
+ if (llvm::isTexture(*GVar)) {
+ O << ".global .texref " << llvm::getTextureName(*GVar) << ";\n";
+ return;
+ }
+
+ if (llvm::isSurface(*GVar)) {
+ O << ".global .surfref " << llvm::getSurfaceName(*GVar) << ";\n";
+ return;
+ }
+
+ if (GVar->isDeclaration()) {
+ // (extern) declarations, no definition or initializer
+ // Currently the only known declaration is for an automatic __local
+ // (.shared) promoted to global.
+ emitPTXGlobalVariable(GVar, O);
+ O << ";\n";
+ return;
+ }
+
+ if (llvm::isSampler(*GVar)) {
+ O << ".global .samplerref " << llvm::getSamplerName(*GVar);
+
+ Constant *Initializer = NULL;
+ if (GVar->hasInitializer())
+ Initializer = GVar->getInitializer();
+ ConstantInt *CI = NULL;
+ if (Initializer)
+ CI = dyn_cast<ConstantInt>(Initializer);
+ if (CI) {
+ unsigned sample=CI->getZExtValue();
+
+ O << " = { ";
+
+ for (int i =0, addr=((sample & __CLK_ADDRESS_MASK ) >>
+ __CLK_ADDRESS_BASE) ; i < 3 ; i++) {
+ O << "addr_mode_" << i << " = ";
+ switch (addr) {
+ case 0: O << "wrap"; break;
+ case 1: O << "clamp_to_border"; break;
+ case 2: O << "clamp_to_edge"; break;
+ case 3: O << "wrap"; break;
+ case 4: O << "mirror"; break;
+ }
+ O <<", ";
+ }
+ O << "filter_mode = ";
+ switch (( sample & __CLK_FILTER_MASK ) >> __CLK_FILTER_BASE ) {
+ case 0: O << "nearest"; break;
+ case 1: O << "linear"; break;
+ case 2: assert ( 0 && "Anisotropic filtering is not supported");
+ default: O << "nearest"; break;
+ }
+ if (!(( sample &__CLK_NORMALIZED_MASK ) >> __CLK_NORMALIZED_BASE)) {
+ O << ", force_unnormalized_coords = 1";
+ }
+ O << " }";
+ }
+
+ O << ";\n";
+ return;
+ }
+
+ if (GVar->hasPrivateLinkage()) {
+
+ if (!strncmp(GVar->getName().data(), "unrollpragma", 12))
+ return;
+
+ // FIXME - need better way (e.g. Metadata) to avoid generating this global
+ if (!strncmp(GVar->getName().data(), "filename", 8))
+ return;
+ if (GVar->use_empty())
+ return;
+ }
+
+ const Function *demotedFunc = 0;
+ if (!processDemoted && canDemoteGlobalVar(GVar, demotedFunc)) {
+ O << "// " << GVar->getName().str() << " has been demoted\n";
+ if (localDecls.find(demotedFunc) != localDecls.end())
+ localDecls[demotedFunc].push_back(GVar);
+ else {
+ std::vector<GlobalVariable *> temp;
+ temp.push_back(GVar);
+ localDecls[demotedFunc] = temp;
+ }
+ return;
+ }
+
+ O << ".";
+ emitPTXAddressSpace(PTy->getAddressSpace(), O);
+ if (GVar->getAlignment() == 0)
+ O << " .align " << (int) TD->getPrefTypeAlignment(ETy);
+ else
+ O << " .align " << GVar->getAlignment();
+
+
+ if (ETy->isPrimitiveType() || ETy->isIntegerTy() || isa<PointerType>(ETy)) {
+ O << " .";
+ O << getPTXFundamentalTypeStr(ETy, false);
+ O << " ";
+ O << *Mang->getSymbol(GVar);
+
+ // Ptx allows variable initilization only for constant and global state
+ // spaces.
+ if (((PTy->getAddressSpace() == llvm::ADDRESS_SPACE_GLOBAL) ||
+ (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST_NOT_GEN) ||
+ (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST))
+ && GVar->hasInitializer()) {
+ Constant *Initializer = GVar->getInitializer();
+ if (!Initializer->isNullValue()) {
+ O << " = " ;
+ printScalarConstant(Initializer, O);
+ }
+ }
+ } else {
+ unsigned int ElementSize =0;
+
+ // Although PTX has direct support for struct type and array type and
+ // LLVM IR is very similar to PTX, the LLVM CodeGen does not support for
+ // targets that support these high level field accesses. Structs, arrays
+ // and vectors are lowered into arrays of bytes.
+ switch (ETy->getTypeID()) {
+ case Type::StructTyID:
+ case Type::ArrayTyID:
+ case Type::VectorTyID:
+ ElementSize = TD->getTypeStoreSize(ETy);
+ // Ptx allows variable initilization only for constant and
+ // global state spaces.
+ if (((PTy->getAddressSpace() == llvm::ADDRESS_SPACE_GLOBAL) ||
+ (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST_NOT_GEN) ||
+ (PTy->getAddressSpace() == llvm::ADDRESS_SPACE_CONST))
+ && GVar->hasInitializer()) {
+ Constant *Initializer = GVar->getInitializer();
+ if (!isa<UndefValue>(Initializer) &&
+ !Initializer->isNullValue()) {
+ AggBuffer aggBuffer(ElementSize, O, *this);
+ bufferAggregateConstant(Initializer, &aggBuffer);
+ if (aggBuffer.numSymbols) {
+ if (nvptxSubtarget.is64Bit()) {
+ O << " .u64 " << *Mang->getSymbol(GVar) <<"[" ;
+ O << ElementSize/8;
+ }
+ else {
+ O << " .u32 " << *Mang->getSymbol(GVar) <<"[" ;
+ O << ElementSize/4;
+ }
+ O << "]";
+ }
+ else {
+ O << " .b8 " << *Mang->getSymbol(GVar) <<"[" ;
+ O << ElementSize;
+ O << "]";
+ }
+ O << " = {" ;
+ aggBuffer.print();
+ O << "}";
+ }
+ else {
+ O << " .b8 " << *Mang->getSymbol(GVar) ;
+ if (ElementSize) {
+ O <<"[" ;
+ O << ElementSize;
+ O << "]";
+ }
+ }
+ }
+ else {
+ O << " .b8 " << *Mang->getSymbol(GVar);
+ if (ElementSize) {
+ O <<"[" ;
+ O << ElementSize;
+ O << "]";
+ }
+ }
+ break;
+ default:
+ assert( 0 && "type not supported yet");
+ }
+
+ }
+ O << ";\n";
+}
+
+void NVPTXAsmPrinter::emitDemotedVars(const Function *f, raw_ostream &O) {
+ if (localDecls.find(f) == localDecls.end())
+ return;
+
+ std::vector<GlobalVariable *> &gvars = localDecls[f];
+
+ for (unsigned i=0, e=gvars.size(); i!=e; ++i) {
+ O << "\t// demoted variable\n\t";
+ printModuleLevelGV(gvars[i], O, true);
+ }
+}
+
+void NVPTXAsmPrinter::emitPTXAddressSpace(unsigned int AddressSpace,
+ raw_ostream &O) const {
+ switch (AddressSpace) {
+ case llvm::ADDRESS_SPACE_LOCAL:
+ O << "local" ;
+ break;
+ case llvm::ADDRESS_SPACE_GLOBAL:
+ O << "global" ;
+ break;
+ case llvm::ADDRESS_SPACE_CONST:
+ // This logic should be consistent with that in
+ // getCodeAddrSpace() (NVPTXISelDATToDAT.cpp)
+ if (nvptxSubtarget.hasGenericLdSt())
+ O << "global" ;
+ else
+ O << "const" ;
+ break;
+ case llvm::ADDRESS_SPACE_CONST_NOT_GEN:
+ O << "const" ;
+ break;
+ case llvm::ADDRESS_SPACE_SHARED:
+ O << "shared" ;
+ break;
+ default:
+ llvm_unreachable("unexpected address space");
+ }
+}
+
+std::string NVPTXAsmPrinter::getPTXFundamentalTypeStr(const Type *Ty,
+ bool useB4PTR) const {
+ switch (Ty->getTypeID()) {
+ default:
+ llvm_unreachable("unexpected type");
+ break;
+ case Type::IntegerTyID: {
+ unsigned NumBits = cast<IntegerType>(Ty)->getBitWidth();
+ if (NumBits == 1)
+ return "pred";
+ else if (NumBits <= 64) {
+ std::string name = "u";
+ return name + utostr(NumBits);
+ } else {
+ llvm_unreachable("Integer too large");
+ break;
+ }
+ break;
+ }
+ case Type::FloatTyID:
+ return "f32";
+ case Type::DoubleTyID:
+ return "f64";
+ case Type::PointerTyID:
+ if (nvptxSubtarget.is64Bit())
+ if (useB4PTR) return "b64";
+ else return "u64";
+ else
+ if (useB4PTR) return "b32";
+ else return "u32";
+ }
+ llvm_unreachable("unexpected type");
+ return NULL;
+}
+
+void NVPTXAsmPrinter::emitPTXGlobalVariable(const GlobalVariable* GVar,
+ raw_ostream &O) {
+
+ const TargetData *TD = TM.getTargetData();
+
+ // GlobalVariables are always constant pointers themselves.
+ const PointerType *PTy = GVar->getType();
+ Type *ETy = PTy->getElementType();
+
+ O << ".";
+ emitPTXAddressSpace(PTy->getAddressSpace(), O);
+ if (GVar->getAlignment() == 0)
+ O << " .align " << (int) TD->getPrefTypeAlignment(ETy);
+ else
+ O << " .align " << GVar->getAlignment();
+
+ if (ETy->isPrimitiveType() || ETy->isIntegerTy() || isa<PointerType>(ETy)) {
+ O << " .";
+ O << getPTXFundamentalTypeStr(ETy);
+ O << " ";
+ O << *Mang->getSymbol(GVar);
+ return;
+ }
+
+ int64_t ElementSize =0;
+
+ // Although PTX has direct support for struct type and array type and LLVM IR
+ // is very similar to PTX, the LLVM CodeGen does not support for targets that
+ // support these high level field accesses. Structs and arrays are lowered
+ // into arrays of bytes.
+ switch (ETy->getTypeID()) {
+ case Type::StructTyID:
+ case Type::ArrayTyID:
+ case Type::VectorTyID:
+ ElementSize = TD->getTypeStoreSize(ETy);
+ O << " .b8 " << *Mang->getSymbol(GVar) <<"[" ;
+ if (ElementSize) {
+ O << itostr(ElementSize) ;
+ }
+ O << "]";
+ break;
+ default:
+ assert( 0 && "type not supported yet");
+ }
+ return ;
+}
+
+
+static unsigned int
+getOpenCLAlignment(const TargetData *TD,
+ Type *Ty) {
+ if (Ty->isPrimitiveType() || Ty->isIntegerTy() || isa<PointerType>(Ty))
+ return TD->getPrefTypeAlignment(Ty);
+
+ const ArrayType *ATy = dyn_cast<ArrayType>(Ty);
+ if (ATy)
+ return getOpenCLAlignment(TD, ATy->getElementType());
+
+ const VectorType *VTy = dyn_cast<VectorType>(Ty);
+ if (VTy) {
+ Type *ETy = VTy->getElementType();
+ unsigned int numE = VTy->getNumElements();
+ unsigned int alignE = TD->getPrefTypeAlignment(ETy);
+ if (numE == 3)
+ return 4*alignE;
+ else
+ return numE*alignE;
+ }
+
+ const StructType *STy = dyn_cast<StructType>(Ty);
+ if (STy) {
+ unsigned int alignStruct = 1;
+ // Go through each element of the struct and find the
+ // largest alignment.
+ for (unsigned i=0, e=STy->getNumElements(); i != e; i++) {
+ Type *ETy = STy->getElementType(i);
+ unsigned int align = getOpenCLAlignment(TD, ETy);
+ if (align > alignStruct)
+ alignStruct = align;
+ }
+ return alignStruct;
+ }
+
+ const FunctionType *FTy = dyn_cast<FunctionType>(Ty);
+ if (FTy)
+ return TD->getPointerPrefAlignment();
+ return TD->getPrefTypeAlignment(Ty);
+}
+
+void NVPTXAsmPrinter::printParamName(Function::const_arg_iterator I,
+ int paramIndex, raw_ostream &O) {
+ if ((nvptxSubtarget.getDrvInterface() == NVPTX::NVCL) ||
+ (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA))
+ O << *CurrentFnSym << "_param_" << paramIndex;
+ else {
+ std::string argName = I->getName();
+ const char *p = argName.c_str();
+ while (*p) {
+ if (*p == '.')
+ O << "_";
+ else
+ O << *p;
+ p++;
+ }
+ }
+}
+
+void NVPTXAsmPrinter::printParamName(int paramIndex, raw_ostream &O) {
+ Function::const_arg_iterator I, E;
+ int i = 0;
+
+ if ((nvptxSubtarget.getDrvInterface() == NVPTX::NVCL) ||
+ (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA)) {
+ O << *CurrentFnSym << "_param_" << paramIndex;
+ return;
+ }
+
+ for (I = F->arg_begin(), E = F->arg_end(); I != E; ++I, i++) {
+ if (i==paramIndex) {
+ printParamName(I, paramIndex, O);
+ return;
+ }
+ }
+ llvm_unreachable("paramIndex out of bound");
+}
+
+void NVPTXAsmPrinter::emitFunctionParamList(const Function *F,
+ raw_ostream &O) {
+ const TargetData *TD = TM.getTargetData();
+ const AttrListPtr &PAL = F->getAttributes();
+ const TargetLowering *TLI = TM.getTargetLowering();
+ Function::const_arg_iterator I, E;
+ unsigned paramIndex = 0;
+ bool first = true;
+ bool isKernelFunc = llvm::isKernelFunction(*F);
+ bool isABI = (nvptxSubtarget.getSmVersion() >= 20);
+ MVT thePointerTy = TLI->getPointerTy();
+
+ O << "(\n";
+
+ for (I = F->arg_begin(), E = F->arg_end(); I != E; ++I, paramIndex++) {
+ const Type *Ty = I->getType();
+
+ if (!first)
+ O << ",\n";
+
+ first = false;
+
+ // Handle image/sampler parameters
+ if (llvm::isSampler(*I) || llvm::isImage(*I)) {
+ if (llvm::isImage(*I)) {
+ std::string sname = I->getName();
+ if (llvm::isImageWriteOnly(*I))
+ O << "\t.param .surfref " << *CurrentFnSym << "_param_" << paramIndex;
+ else // Default image is read_only
+ O << "\t.param .texref " << *CurrentFnSym << "_param_" << paramIndex;
+ }
+ else // Should be llvm::isSampler(*I)
+ O << "\t.param .samplerref " << *CurrentFnSym << "_param_"
+ << paramIndex;
+ continue;
+ }
+
+ if (PAL.paramHasAttr(paramIndex+1, Attribute::ByVal) == false) {
+ // Just a scalar
+ const PointerType *PTy = dyn_cast<PointerType>(Ty);
+ if (isKernelFunc) {
+ if (PTy) {
+ // Special handling for pointer arguments to kernel
+ O << "\t.param .u" << thePointerTy.getSizeInBits() << " ";
+
+ if (nvptxSubtarget.getDrvInterface() != NVPTX::CUDA) {
+ Type *ETy = PTy->getElementType();
+ int addrSpace = PTy->getAddressSpace();
+ switch(addrSpace) {
+ default:
+ O << ".ptr ";
+ break;
+ case llvm::ADDRESS_SPACE_CONST_NOT_GEN:
+ O << ".ptr .const ";
+ break;
+ case llvm::ADDRESS_SPACE_SHARED:
+ O << ".ptr .shared ";
+ break;
+ case llvm::ADDRESS_SPACE_GLOBAL:
+ case llvm::ADDRESS_SPACE_CONST:
+ O << ".ptr .global ";
+ break;
+ }
+ O << ".align " << (int)getOpenCLAlignment(TD, ETy) << " ";
+ }
+ printParamName(I, paramIndex, O);
+ continue;
+ }
+
+ // non-pointer scalar to kernel func
+ O << "\t.param ."
+ << getPTXFundamentalTypeStr(Ty) << " ";
+ printParamName(I, paramIndex, O);
+ continue;
+ }
+ // Non-kernel function, just print .param .b<size> for ABI
+ // and .reg .b<size> for non ABY
+ unsigned sz = 0;
+ if (isa<IntegerType>(Ty)) {
+ sz = cast<IntegerType>(Ty)->getBitWidth();
+ if (sz < 32) sz = 32;
+ }
+ else if (isa<PointerType>(Ty))
+ sz = thePointerTy.getSizeInBits();
+ else
+ sz = Ty->getPrimitiveSizeInBits();
+ if (isABI)
+ O << "\t.param .b" << sz << " ";
+ else
+ O << "\t.reg .b" << sz << " ";
+ printParamName(I, paramIndex, O);
+ continue;
+ }
+
+ // param has byVal attribute. So should be a pointer
+ const PointerType *PTy = dyn_cast<PointerType>(Ty);
+ assert(PTy &&
+ "Param with byval attribute should be a pointer type");
+ Type *ETy = PTy->getElementType();
+
+ if (isABI || isKernelFunc) {
+ // Just print .param .b8 .align <a> .param[size];
+ // <a> = PAL.getparamalignment
+ // size = typeallocsize of element type
+ unsigned align = PAL.getParamAlignment(paramIndex+1);
+ unsigned sz = TD->getTypeAllocSize(ETy);
+ O << "\t.param .align " << align
+ << " .b8 ";
+ printParamName(I, paramIndex, O);
+ O << "[" << sz << "]";
+ continue;
+ } else {
+ // Split the ETy into constituent parts and
+ // print .param .b<size> <name> for each part.
+ // Further, if a part is vector, print the above for
+ // each vector element.
+ SmallVector<EVT, 16> vtparts;
+ ComputeValueVTs(*TLI, ETy, vtparts);
+ for (unsigned i=0,e=vtparts.size(); i!=e; ++i) {
+ unsigned elems = 1;
+ EVT elemtype = vtparts[i];
+ if (vtparts[i].isVector()) {
+ elems = vtparts[i].getVectorNumElements();
+ elemtype = vtparts[i].getVectorElementType();
+ }
+
+ for (unsigned j=0,je=elems; j!=je; ++j) {
+ unsigned sz = elemtype.getSizeInBits();
+ if (elemtype.isInteger() && (sz < 32)) sz = 32;
+ O << "\t.reg .b" << sz << " ";
+ printParamName(I, paramIndex, O);
+ if (j<je-1) O << ",\n";
+ ++paramIndex;
+ }
+ if (i<e-1)
+ O << ",\n";
+ }
+ --paramIndex;
+ continue;
+ }
+ }
+
+ O << "\n)\n";
+}
+
+void NVPTXAsmPrinter::emitFunctionParamList(const MachineFunction &MF,
+ raw_ostream &O) {
+ const Function *F = MF.getFunction();
+ emitFunctionParamList(F, O);
+}
+
+
+void NVPTXAsmPrinter::
+setAndEmitFunctionVirtualRegisters(const MachineFunction &MF) {
+ SmallString<128> Str;
+ raw_svector_ostream O(Str);
+
+ // Map the global virtual register number to a register class specific
+ // virtual register number starting from 1 with that class.
+ const TargetRegisterInfo *TRI = MF.getTarget().getRegisterInfo();
+ //unsigned numRegClasses = TRI->getNumRegClasses();
+
+ // Emit the Fake Stack Object
+ const MachineFrameInfo *MFI = MF.getFrameInfo();
+ int NumBytes = (int) MFI->getStackSize();
+ if (NumBytes) {
+ O << "\t.local .align " << MFI->getMaxAlignment() << " .b8 \t"
+ << DEPOTNAME
+ << getFunctionNumber() << "[" << NumBytes << "];\n";
+ if (nvptxSubtarget.is64Bit()) {
+ O << "\t.reg .b64 \t%SP;\n";
+ O << "\t.reg .b64 \t%SPL;\n";
+ }
+ else {
+ O << "\t.reg .b32 \t%SP;\n";
+ O << "\t.reg .b32 \t%SPL;\n";
+ }
+ }
+
+ // Go through all virtual registers to establish the mapping between the
+ // global virtual
+ // register number and the per class virtual register number.
+ // We use the per class virtual register number in the ptx output.
+ unsigned int numVRs = MRI->getNumVirtRegs();
+ for (unsigned i=0; i< numVRs; i++) {
+ unsigned int vr = TRI->index2VirtReg(i);
+ const TargetRegisterClass *RC = MRI->getRegClass(vr);
+ std::map<unsigned, unsigned> &regmap = VRidGlobal2LocalMap[RC->getID()];
+ int n = regmap.size();
+ regmap.insert(std::make_pair(vr, n+1));
+ }
+
+ // Emit register declarations
+ // @TODO: Extract out the real register usage
+ O << "\t.reg .pred %p<" << NVPTXNumRegisters << ">;\n";
+ O << "\t.reg .s16 %rc<" << NVPTXNumRegisters << ">;\n";
+ O << "\t.reg .s16 %rs<" << NVPTXNumRegisters << ">;\n";
+ O << "\t.reg .s32 %r<" << NVPTXNumRegisters << ">;\n";
+ O << "\t.reg .s64 %rl<" << NVPTXNumRegisters << ">;\n";
+ O << "\t.reg .f32 %f<" << NVPTXNumRegisters << ">;\n";
+ O << "\t.reg .f64 %fl<" << NVPTXNumRegisters << ">;\n";
+
+ // Emit declaration of the virtual registers or 'physical' registers for
+ // each register class
+ //for (unsigned i=0; i< numRegClasses; i++) {
+ // std::map<unsigned, unsigned> &regmap = VRidGlobal2LocalMap[i];
+ // const TargetRegisterClass *RC = TRI->getRegClass(i);
+ // std::string rcname = getNVPTXRegClassName(RC);
+ // std::string rcStr = getNVPTXRegClassStr(RC);
+ // //int n = regmap.size();
+ // if (!isNVPTXVectorRegClass(RC)) {
+ // O << "\t.reg " << rcname << " \t" << rcStr << "<"
+ // << NVPTXNumRegisters << ">;\n";
+ // }
+
+ // Only declare those registers that may be used. And do not emit vector
+ // registers as
+ // they are all elementized to scalar registers.
+ //if (n && !isNVPTXVectorRegClass(RC)) {
+ // if (RegAllocNilUsed) {
+ // O << "\t.reg " << rcname << " \t" << rcStr << "<" << (n+1)
+ // << ">;\n";
+ // }
+ // else {
+ // O << "\t.reg " << rcname << " \t" << StrToUpper(rcStr)
+ // << "<" << 32 << ">;\n";
+ // }
+ //}
+ //}
+
+ OutStreamer.EmitRawText(O.str());
+}
+
+
+void NVPTXAsmPrinter::printFPConstant(const ConstantFP *Fp, raw_ostream &O) {
+ APFloat APF = APFloat(Fp->getValueAPF()); // make a copy
+ bool ignored;
+ unsigned int numHex;
+ const char *lead;
+
+ if (Fp->getType()->getTypeID()==Type::FloatTyID) {
+ numHex = 8;
+ lead = "0f";
+ APF.convert(APFloat::IEEEsingle, APFloat::rmNearestTiesToEven,
+ &ignored);
+ } else if (Fp->getType()->getTypeID() == Type::DoubleTyID) {
+ numHex = 16;
+ lead = "0d";
+ APF.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
+ &ignored);
+ } else
+ llvm_unreachable("unsupported fp type");
+
+ APInt API = APF.bitcastToAPInt();
+ std::string hexstr(utohexstr(API.getZExtValue()));
+ O << lead;
+ if (hexstr.length() < numHex)
+ O << std::string(numHex - hexstr.length(), '0');
+ O << utohexstr(API.getZExtValue());
+}
+
+void NVPTXAsmPrinter::printScalarConstant(Constant *CPV, raw_ostream &O) {
+ if (ConstantInt *CI = dyn_cast<ConstantInt>(CPV)) {
+ O << CI->getValue();
+ return;
+ }
+ if (ConstantFP *CFP = dyn_cast<ConstantFP>(CPV)) {
+ printFPConstant(CFP, O);
+ return;
+ }
+ if (isa<ConstantPointerNull>(CPV)) {
+ O << "0";
+ return;
+ }
+ if (GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
+ O << *Mang->getSymbol(GVar);
+ return;
+ }
+ if (ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
+ Value *v = Cexpr->stripPointerCasts();
+ if (GlobalValue *GVar = dyn_cast<GlobalValue>(v)) {
+ O << *Mang->getSymbol(GVar);
+ return;
+ } else {
+ O << *LowerConstant(CPV, *this);
+ return;
+ }
+ }
+ llvm_unreachable("Not scalar type found in printScalarConstant()");
+}
+
+
+void NVPTXAsmPrinter::bufferLEByte(Constant *CPV, int Bytes,
+ AggBuffer *aggBuffer) {
+
+ const TargetData *TD = TM.getTargetData();
+
+ if (isa<UndefValue>(CPV) || CPV->isNullValue()) {
+ int s = TD->getTypeAllocSize(CPV->getType());
+ if (s<Bytes)
+ s = Bytes;
+ aggBuffer->addZeros(s);
+ return;
+ }
+
+ unsigned char *ptr;
+ switch (CPV->getType()->getTypeID()) {
+
+ case Type::IntegerTyID: {
+ const Type *ETy = CPV->getType();
+ if ( ETy == Type::getInt8Ty(CPV->getContext()) ){
+ unsigned char c =
+ (unsigned char)(dyn_cast<ConstantInt>(CPV))->getZExtValue();
+ ptr = &c;
+ aggBuffer->addBytes(ptr, 1, Bytes);
+ } else if ( ETy == Type::getInt16Ty(CPV->getContext()) ) {
+ short int16 =
+ (short)(dyn_cast<ConstantInt>(CPV))->getZExtValue();
+ ptr = (unsigned char*)&int16;
+ aggBuffer->addBytes(ptr, 2, Bytes);
+ } else if ( ETy == Type::getInt32Ty(CPV->getContext()) ) {
+ if (ConstantInt *constInt = dyn_cast<ConstantInt>(CPV)) {
+ int int32 =(int)(constInt->getZExtValue());
+ ptr = (unsigned char*)&int32;
+ aggBuffer->addBytes(ptr, 4, Bytes);
+ break;
+ } else if (ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
+ if (ConstantInt *constInt =
+ dyn_cast<ConstantInt>(ConstantFoldConstantExpression(
+ Cexpr, TD))) {
+ int int32 =(int)(constInt->getZExtValue());
+ ptr = (unsigned char*)&int32;
+ aggBuffer->addBytes(ptr, 4, Bytes);
+ break;
+ }
+ if (Cexpr->getOpcode() == Instruction::PtrToInt) {
+ Value *v = Cexpr->getOperand(0)->stripPointerCasts();
+ aggBuffer->addSymbol(v);
+ aggBuffer->addZeros(4);
+ break;
+ }
+ }
+ llvm_unreachable("unsupported integer const type");
+ } else if (ETy == Type::getInt64Ty(CPV->getContext()) ) {
+ if (ConstantInt *constInt = dyn_cast<ConstantInt>(CPV)) {
+ long long int64 =(long long)(constInt->getZExtValue());
+ ptr = (unsigned char*)&int64;
+ aggBuffer->addBytes(ptr, 8, Bytes);
+ break;
+ } else if (ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
+ if (ConstantInt *constInt = dyn_cast<ConstantInt>(
+ ConstantFoldConstantExpression(Cexpr, TD))) {
+ long long int64 =(long long)(constInt->getZExtValue());
+ ptr = (unsigned char*)&int64;
+ aggBuffer->addBytes(ptr, 8, Bytes);
+ break;
+ }
+ if (Cexpr->getOpcode() == Instruction::PtrToInt) {
+ Value *v = Cexpr->getOperand(0)->stripPointerCasts();
+ aggBuffer->addSymbol(v);
+ aggBuffer->addZeros(8);
+ break;
+ }
+ }
+ llvm_unreachable("unsupported integer const type");
+ } else
+ llvm_unreachable("unsupported integer const type");
+ break;
+ }
+ case Type::FloatTyID:
+ case Type::DoubleTyID: {
+ ConstantFP *CFP = dyn_cast<ConstantFP>(CPV);
+ const Type* Ty = CFP->getType();
+ if (Ty == Type::getFloatTy(CPV->getContext())) {
+ float float32 = (float)CFP->getValueAPF().convertToFloat();
+ ptr = (unsigned char*)&float32;
+ aggBuffer->addBytes(ptr, 4, Bytes);
+ } else if (Ty == Type::getDoubleTy(CPV->getContext())) {
+ double float64 = CFP->getValueAPF().convertToDouble();
+ ptr = (unsigned char*)&float64;
+ aggBuffer->addBytes(ptr, 8, Bytes);
+ }
+ else {
+ llvm_unreachable("unsupported fp const type");
+ }
+ break;
+ }
+ case Type::PointerTyID: {
+ if (GlobalValue *GVar = dyn_cast<GlobalValue>(CPV)) {
+ aggBuffer->addSymbol(GVar);
+ }
+ else if (ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(CPV)) {
+ Value *v = Cexpr->stripPointerCasts();
+ aggBuffer->addSymbol(v);
+ }
+ unsigned int s = TD->getTypeAllocSize(CPV->getType());
+ aggBuffer->addZeros(s);
+ break;
+ }
+
+ case Type::ArrayTyID:
+ case Type::VectorTyID:
+ case Type::StructTyID: {
+ if (isa<ConstantArray>(CPV) || isa<ConstantVector>(CPV) ||
+ isa<ConstantStruct>(CPV)) {
+ int ElementSize = TD->getTypeAllocSize(CPV->getType());
+ bufferAggregateConstant(CPV, aggBuffer);
+ if ( Bytes > ElementSize )
+ aggBuffer->addZeros(Bytes-ElementSize);
+ }
+ else if (isa<ConstantAggregateZero>(CPV))
+ aggBuffer->addZeros(Bytes);
+ else
+ llvm_unreachable("Unexpected Constant type");
+ break;
+ }
+
+ default:
+ llvm_unreachable("unsupported type");
+ }
+}
+
+void NVPTXAsmPrinter::bufferAggregateConstant(Constant *CPV,
+ AggBuffer *aggBuffer) {
+ const TargetData *TD = TM.getTargetData();
+ int Bytes;
+
+ // Old constants
+ if (isa<ConstantArray>(CPV) || isa<ConstantVector>(CPV)) {
+ if (CPV->getNumOperands())
+ for (unsigned i = 0, e = CPV->getNumOperands(); i != e; ++i)
+ bufferLEByte(cast<Constant>(CPV->getOperand(i)), 0, aggBuffer);
+ return;
+ }
+
+ if (const ConstantDataSequential *CDS =
+ dyn_cast<ConstantDataSequential>(CPV)) {
+ if (CDS->getNumElements())
+ for (unsigned i = 0; i < CDS->getNumElements(); ++i)
+ bufferLEByte(cast<Constant>(CDS->getElementAsConstant(i)), 0,
+ aggBuffer);
+ return;
+ }
+
+
+ if (isa<ConstantStruct>(CPV)) {
+ if (CPV->getNumOperands()) {
+ StructType *ST = cast<StructType>(CPV->getType());
+ for (unsigned i = 0, e = CPV->getNumOperands(); i != e; ++i) {
+ if ( i == (e - 1))
+ Bytes = TD->getStructLayout(ST)->getElementOffset(0) +
+ TD->getTypeAllocSize(ST)
+ - TD->getStructLayout(ST)->getElementOffset(i);
+ else
+ Bytes = TD->getStructLayout(ST)->getElementOffset(i+1) -
+ TD->getStructLayout(ST)->getElementOffset(i);
+ bufferLEByte(cast<Constant>(CPV->getOperand(i)), Bytes,
+ aggBuffer);
+ }
+ }
+ return;
+ }
+ llvm_unreachable("unsupported constant type in printAggregateConstant()");
+}
+
+// buildTypeNameMap - Run through symbol table looking for type names.
+//
+
+
+bool NVPTXAsmPrinter::isImageType(const Type *Ty) {
+
+ std::map<const Type *, std::string>::iterator PI = TypeNameMap.find(Ty);
+
+ if (PI != TypeNameMap.end() &&
+ (!PI->second.compare("struct._image1d_t") ||
+ !PI->second.compare("struct._image2d_t") ||
+ !PI->second.compare("struct._image3d_t")))
+ return true;
+
+ return false;
+}
+
+/// PrintAsmOperand - Print out an operand for an inline asm expression.
+///
+bool NVPTXAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode,
+ raw_ostream &O) {
+ 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);
+ case 'r':
+ break;
+ }
+ }
+
+ printOperand(MI, OpNo, O);
+
+ return false;
+}
+
+bool NVPTXAsmPrinter::PrintAsmMemoryOperand(const MachineInstr *MI,
+ unsigned OpNo,
+ unsigned AsmVariant,
+ const char *ExtraCode,
+ raw_ostream &O) {
+ if (ExtraCode && ExtraCode[0])
+ return true; // Unknown modifier
+
+ O << '[';
+ printMemOperand(MI, OpNo, O);
+ O << ']';
+
+ return false;
+}
+
+bool NVPTXAsmPrinter::ignoreLoc(const MachineInstr &MI)
+{
+ switch(MI.getOpcode()) {
+ default:
+ return false;
+ case NVPTX::CallArgBeginInst: case NVPTX::CallArgEndInst0:
+ case NVPTX::CallArgEndInst1: case NVPTX::CallArgF32:
+ case NVPTX::CallArgF64: case NVPTX::CallArgI16:
+ case NVPTX::CallArgI32: case NVPTX::CallArgI32imm:
+ case NVPTX::CallArgI64: case NVPTX::CallArgI8:
+ case NVPTX::CallArgParam: case NVPTX::CallVoidInst:
+ case NVPTX::CallVoidInstReg: case NVPTX::Callseq_End:
+ case NVPTX::CallVoidInstReg64:
+ case NVPTX::DeclareParamInst: case NVPTX::DeclareRetMemInst:
+ case NVPTX::DeclareRetRegInst: case NVPTX::DeclareRetScalarInst:
+ case NVPTX::DeclareScalarParamInst: case NVPTX::DeclareScalarRegInst:
+ case NVPTX::StoreParamF32: case NVPTX::StoreParamF64:
+ case NVPTX::StoreParamI16: case NVPTX::StoreParamI32:
+ case NVPTX::StoreParamI64: case NVPTX::StoreParamI8:
+ case NVPTX::StoreParamS32I8: case NVPTX::StoreParamU32I8:
+ case NVPTX::StoreParamS32I16: case NVPTX::StoreParamU32I16:
+ case NVPTX::StoreParamScalar2F32: case NVPTX::StoreParamScalar2F64:
+ case NVPTX::StoreParamScalar2I16: case NVPTX::StoreParamScalar2I32:
+ case NVPTX::StoreParamScalar2I64: case NVPTX::StoreParamScalar2I8:
+ case NVPTX::StoreParamScalar4F32: case NVPTX::StoreParamScalar4I16:
+ case NVPTX::StoreParamScalar4I32: case NVPTX::StoreParamScalar4I8:
+ case NVPTX::StoreParamV2F32: case NVPTX::StoreParamV2F64:
+ case NVPTX::StoreParamV2I16: case NVPTX::StoreParamV2I32:
+ case NVPTX::StoreParamV2I64: case NVPTX::StoreParamV2I8:
+ case NVPTX::StoreParamV4F32: case NVPTX::StoreParamV4I16:
+ case NVPTX::StoreParamV4I32: case NVPTX::StoreParamV4I8:
+ case NVPTX::StoreRetvalF32: case NVPTX::StoreRetvalF64:
+ case NVPTX::StoreRetvalI16: case NVPTX::StoreRetvalI32:
+ case NVPTX::StoreRetvalI64: case NVPTX::StoreRetvalI8:
+ case NVPTX::StoreRetvalScalar2F32: case NVPTX::StoreRetvalScalar2F64:
+ case NVPTX::StoreRetvalScalar2I16: case NVPTX::StoreRetvalScalar2I32:
+ case NVPTX::StoreRetvalScalar2I64: case NVPTX::StoreRetvalScalar2I8:
+ case NVPTX::StoreRetvalScalar4F32: case NVPTX::StoreRetvalScalar4I16:
+ case NVPTX::StoreRetvalScalar4I32: case NVPTX::StoreRetvalScalar4I8:
+ case NVPTX::StoreRetvalV2F32: case NVPTX::StoreRetvalV2F64:
+ case NVPTX::StoreRetvalV2I16: case NVPTX::StoreRetvalV2I32:
+ case NVPTX::StoreRetvalV2I64: case NVPTX::StoreRetvalV2I8:
+ case NVPTX::StoreRetvalV4F32: case NVPTX::StoreRetvalV4I16:
+ case NVPTX::StoreRetvalV4I32: case NVPTX::StoreRetvalV4I8:
+ case NVPTX::LastCallArgF32: case NVPTX::LastCallArgF64:
+ case NVPTX::LastCallArgI16: case NVPTX::LastCallArgI32:
+ case NVPTX::LastCallArgI32imm: case NVPTX::LastCallArgI64:
+ case NVPTX::LastCallArgI8: case NVPTX::LastCallArgParam:
+ case NVPTX::LoadParamMemF32: case NVPTX::LoadParamMemF64:
+ case NVPTX::LoadParamMemI16: case NVPTX::LoadParamMemI32:
+ case NVPTX::LoadParamMemI64: case NVPTX::LoadParamMemI8:
+ case NVPTX::LoadParamRegF32: case NVPTX::LoadParamRegF64:
+ case NVPTX::LoadParamRegI16: case NVPTX::LoadParamRegI32:
+ case NVPTX::LoadParamRegI64: case NVPTX::LoadParamRegI8:
+ case NVPTX::LoadParamScalar2F32: case NVPTX::LoadParamScalar2F64:
+ case NVPTX::LoadParamScalar2I16: case NVPTX::LoadParamScalar2I32:
+ case NVPTX::LoadParamScalar2I64: case NVPTX::LoadParamScalar2I8:
+ case NVPTX::LoadParamScalar4F32: case NVPTX::LoadParamScalar4I16:
+ case NVPTX::LoadParamScalar4I32: case NVPTX::LoadParamScalar4I8:
+ case NVPTX::LoadParamV2F32: case NVPTX::LoadParamV2F64:
+ case NVPTX::LoadParamV2I16: case NVPTX::LoadParamV2I32:
+ case NVPTX::LoadParamV2I64: case NVPTX::LoadParamV2I8:
+ case NVPTX::LoadParamV4F32: case NVPTX::LoadParamV4I16:
+ case NVPTX::LoadParamV4I32: case NVPTX::LoadParamV4I8:
+ case NVPTX::PrototypeInst: case NVPTX::DBG_VALUE:
+ return true;
+ }
+ return false;
+}
+
+// Force static initialization.
+extern "C" void LLVMInitializeNVPTXBackendAsmPrinter() {
+ RegisterAsmPrinter<NVPTXAsmPrinter> X(TheNVPTXTarget32);
+ RegisterAsmPrinter<NVPTXAsmPrinter> Y(TheNVPTXTarget64);
+}
+
+
+void NVPTXAsmPrinter::emitSrcInText(StringRef filename, unsigned line) {
+ std::stringstream temp;
+ LineReader * reader = this->getReader(filename.str());
+ temp << "\n//";
+ temp << filename.str();
+ temp << ":";
+ temp << line;
+ temp << " ";
+ temp << reader->readLine(line);
+ temp << "\n";
+ this->OutStreamer.EmitRawText(Twine(temp.str()));
+}
+
+
+LineReader *NVPTXAsmPrinter::getReader(std::string filename) {
+ if (reader == NULL) {
+ reader = new LineReader(filename);
+ }
+
+ if (reader->fileName() != filename) {
+ delete reader;
+ reader = new LineReader(filename);
+ }
+
+ return reader;
+}
+
+
+std::string
+LineReader::readLine(unsigned lineNum) {
+ if (lineNum < theCurLine) {
+ theCurLine = 0;
+ fstr.seekg(0,std::ios::beg);
+ }
+ while (theCurLine < lineNum) {
+ fstr.getline(buff,500);
+ theCurLine++;
+ }
+ return buff;
+}
+
+// Force static initialization.
+extern "C" void LLVMInitializeNVPTXAsmPrinter() {
+ RegisterAsmPrinter<NVPTXAsmPrinter> X(TheNVPTXTarget32);
+ RegisterAsmPrinter<NVPTXAsmPrinter> Y(TheNVPTXTarget64);
+}
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