//
//===----------------------------------------------------------------------===//
-#ifndef NVPTXASMPRINTER_H
-#define NVPTXASMPRINTER_H
+#ifndef LLVM_LIB_TARGET_NVPTX_NVPTXASMPRINTER_H
+#define LLVM_LIB_TARGET_NVPTX_NVPTXASMPRINTER_H
#include "NVPTX.h"
#include "NVPTXSubtarget.h"
// A better approach is to clone the MCAsmStreamer to a MCPTXAsmStreamer
// (subclass of MCStreamer).
-// This is defined in AsmPrinter.cpp.
-// Used to process the constant expressions in initializers.
-namespace nvptx {
-const llvm::MCExpr *
-LowerConstant(const llvm::Constant *CV, llvm::AsmPrinter &AP);
-}
-
namespace llvm {
class LineReader {
// Once we have this AggBuffer setup, we can choose how to print
// it out.
public:
- unsigned size; // size of the buffer in bytes
- unsigned char *buffer; // the buffer
unsigned numSymbols; // number of symbol addresses
- SmallVector<unsigned, 4> symbolPosInBuffer;
- SmallVector<const Value *, 4> Symbols;
private:
+ const unsigned size; // size of the buffer in bytes
+ std::vector<unsigned char> buffer; // the buffer
+ SmallVector<unsigned, 4> symbolPosInBuffer;
+ SmallVector<const Value *, 4> Symbols;
unsigned curpos;
raw_ostream &O;
NVPTXAsmPrinter &AP;
public:
AggBuffer(unsigned _size, raw_ostream &_O, NVPTXAsmPrinter &_AP)
- : O(_O), AP(_AP) {
- buffer = new unsigned char[_size];
- size = _size;
+ : size(_size), buffer(_size), O(_O), AP(_AP) {
curpos = 0;
numSymbols = 0;
EmitGeneric = AP.EmitGeneric;
}
- ~AggBuffer() { delete[] buffer; }
unsigned addBytes(unsigned char *Ptr, int Num, int Bytes) {
assert((curpos + Num) <= size);
assert((curpos + Bytes) <= size);
unsigned int nSym = 0;
unsigned int nextSymbolPos = symbolPosInBuffer[nSym];
unsigned int nBytes = 4;
- if (AP.nvptxSubtarget.is64Bit())
+ if (static_cast<const NVPTXTargetMachine &>(AP.TM).is64Bit())
nBytes = 8;
for (pos = 0; pos < size; pos += nBytes) {
if (pos)
O << *Name;
}
} else if (const ConstantExpr *Cexpr = dyn_cast<ConstantExpr>(v)) {
- O << *nvptx::LowerConstant(Cexpr, AP);
+ O << *AP.lowerConstant(Cexpr);
} else
llvm_unreachable("symbol type unknown");
nSym++;
else
nextSymbolPos = symbolPosInBuffer[nSym];
} else if (nBytes == 4)
- O << *(unsigned int *)(buffer + pos);
+ O << *(unsigned int *)(&buffer[pos]);
else
- O << *(unsigned long long *)(buffer + pos);
+ O << *(unsigned long long *)(&buffer[pos]);
}
}
}
friend class AggBuffer;
- virtual void emitSrcInText(StringRef filename, unsigned line);
+ void emitSrcInText(StringRef filename, unsigned line);
private:
- virtual const char *getPassName() const { return "NVPTX Assembly Printer"; }
+ const char *getPassName() const override { return "NVPTX Assembly Printer"; }
const Function *F;
std::string CurrentFnName;
- void EmitFunctionEntryLabel();
- void EmitFunctionBodyStart();
- void EmitFunctionBodyEnd();
- void emitImplicitDef(const MachineInstr *MI) const;
+ void EmitBasicBlockStart(const MachineBasicBlock &MBB) const override;
+ void EmitFunctionEntryLabel() override;
+ void EmitFunctionBodyStart() override;
+ void EmitFunctionBodyEnd() override;
+ void emitImplicitDef(const MachineInstr *MI) const override;
- void EmitInstruction(const MachineInstr *);
+ void EmitInstruction(const MachineInstr *) override;
void lowerToMCInst(const MachineInstr *MI, MCInst &OutMI);
bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
MCOperand GetSymbolRef(const MCSymbol *Symbol);
void printParamName(Function::const_arg_iterator I, int paramIndex,
raw_ostream &O);
void emitGlobals(const Module &M);
- void emitHeader(Module &M, raw_ostream &O);
+ void emitHeader(Module &M, raw_ostream &O, const NVPTXSubtarget &STI);
void emitKernelFunctionDirectives(const Function &F, raw_ostream &O) const;
void emitVirtualRegister(unsigned int vr, raw_ostream &);
void emitFunctionExternParamList(const MachineFunction &MF);
void printReturnValStr(const MachineFunction &MF, raw_ostream &O);
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
- raw_ostream &);
+ raw_ostream &) override;
void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
const char *Modifier = nullptr);
bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
- raw_ostream &);
+ raw_ostream &) override;
protected:
- bool doInitialization(Module &M);
- bool doFinalization(Module &M);
+ bool doInitialization(Module &M) override;
+ bool doFinalization(Module &M) override;
private:
std::string CurrentBankselLabelInBasicBlock;
typedef DenseMap<unsigned, unsigned> VRegMap;
typedef DenseMap<const TargetRegisterClass *, VRegMap> VRegRCMap;
VRegRCMap VRegMapping;
- // cache the subtarget here.
- const NVPTXSubtarget &nvptxSubtarget;
+
+ // Cache the subtarget here.
+ const NVPTXSubtarget *nvptxSubtarget;
+
// Build the map between type name and ID based on module's type
// symbol table.
std::map<const Type *, std::string> TypeNameMap;
MCOperand &MCOp);
void lowerImageHandleSymbol(unsigned Index, MCOperand &MCOp);
+ bool isLoopHeaderOfNoUnroll(const MachineBasicBlock &MBB) const;
+
LineReader *reader;
LineReader *getReader(std::string);
bool EmitGeneric;
public:
- NVPTXAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
- : AsmPrinter(TM, Streamer),
- nvptxSubtarget(TM.getSubtarget<NVPTXSubtarget>()) {
+ NVPTXAsmPrinter(TargetMachine &TM, std::unique_ptr<MCStreamer> Streamer)
+ : AsmPrinter(TM, std::move(Streamer)),
+ EmitGeneric(static_cast<NVPTXTargetMachine &>(TM).getDrvInterface() ==
+ NVPTX::CUDA) {
CurrentBankselLabelInBasicBlock = "";
reader = nullptr;
- EmitGeneric = (nvptxSubtarget.getDrvInterface() == NVPTX::CUDA);
}
~NVPTXAsmPrinter() {
delete reader;
}
+ bool runOnMachineFunction(MachineFunction &F) override {
+ nvptxSubtarget = &F.getSubtarget<NVPTXSubtarget>();
+ return AsmPrinter::runOnMachineFunction(F);
+ }
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
+ AU.addRequired<MachineLoopInfo>();
+ AsmPrinter::getAnalysisUsage(AU);
+ }
+
bool ignoreLoc(const MachineInstr &);
std::string getVirtualRegisterName(unsigned) const;
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