forked from OSchip/llvm-project
[NVPTX] Delete dead code from the AsmPrinter.
llvm-svn: 333924
This commit is contained in:
Benjamin Kramer
parent
f921d85422
commit
f663eba561
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@ -84,7 +84,6 @@
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#include <cstdint>
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#include <cstring>
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#include <new>
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#include <sstream>
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#include <string>
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#include <utility>
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#include <vector>
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@ -1960,65 +1959,6 @@ void NVPTXAsmPrinter::bufferAggregateConstant(const Constant *CPV,
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llvm_unreachable("unsupported constant type in printAggregateConstant()");
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}
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// buildTypeNameMap - Run through symbol table looking for type names.
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//
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bool NVPTXAsmPrinter::ignoreLoc(const MachineInstr &MI) {
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switch (MI.getOpcode()) {
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default:
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return false;
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case NVPTX::CallArgBeginInst:
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case NVPTX::CallArgEndInst0:
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case NVPTX::CallArgEndInst1:
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case NVPTX::CallArgF32:
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case NVPTX::CallArgF64:
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case NVPTX::CallArgI16:
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case NVPTX::CallArgI32:
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case NVPTX::CallArgI32imm:
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case NVPTX::CallArgI64:
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case NVPTX::CallArgParam:
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case NVPTX::CallVoidInst:
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case NVPTX::CallVoidInstReg:
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case NVPTX::Callseq_End:
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case NVPTX::CallVoidInstReg64:
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case NVPTX::DeclareParamInst:
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case NVPTX::DeclareRetMemInst:
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case NVPTX::DeclareRetRegInst:
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case NVPTX::DeclareRetScalarInst:
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case NVPTX::DeclareScalarParamInst:
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case NVPTX::DeclareScalarRegInst:
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case NVPTX::StoreParamF32:
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case NVPTX::StoreParamF64:
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case NVPTX::StoreParamI16:
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case NVPTX::StoreParamI32:
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case NVPTX::StoreParamI64:
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case NVPTX::StoreParamI8:
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case NVPTX::StoreRetvalF32:
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case NVPTX::StoreRetvalF64:
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case NVPTX::StoreRetvalI16:
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case NVPTX::StoreRetvalI32:
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case NVPTX::StoreRetvalI64:
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case NVPTX::StoreRetvalI8:
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case NVPTX::LastCallArgF32:
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case NVPTX::LastCallArgF64:
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case NVPTX::LastCallArgI16:
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case NVPTX::LastCallArgI32:
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case NVPTX::LastCallArgI32imm:
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case NVPTX::LastCallArgI64:
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case NVPTX::LastCallArgParam:
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case NVPTX::LoadParamMemF32:
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case NVPTX::LoadParamMemF64:
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case NVPTX::LoadParamMemI16:
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case NVPTX::LoadParamMemI32:
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case NVPTX::LoadParamMemI64:
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case NVPTX::LoadParamMemI8:
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case NVPTX::PrototypeInst:
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case NVPTX::DBG_VALUE:
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return true;
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}
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return false;
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}
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/// lowerConstantForGV - Return an MCExpr for the given Constant. This is mostly
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/// a copy from AsmPrinter::lowerConstant, except customized to only handle
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/// expressions that are representable in PTX and create
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@ -2319,44 +2259,6 @@ void NVPTXAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum,
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}
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}
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void NVPTXAsmPrinter::emitSrcInText(StringRef filename, unsigned line) {
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std::stringstream temp;
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LineReader *reader = this->getReader(filename);
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temp << "\n//";
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temp << filename.str();
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temp << ":";
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temp << line;
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temp << " ";
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temp << reader->readLine(line);
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temp << "\n";
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this->OutStreamer->EmitRawText(temp.str());
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}
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LineReader *NVPTXAsmPrinter::getReader(const std::string &filename) {
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if (!reader) {
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reader = new LineReader(filename);
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}
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if (reader->fileName() != filename) {
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delete reader;
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reader = new LineReader(filename);
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}
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return reader;
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}
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std::string LineReader::readLine(unsigned lineNum) {
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if (lineNum < theCurLine) {
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theCurLine = 0;
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fstr.seekg(0, std::ios::beg);
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}
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while (theCurLine < lineNum) {
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fstr.getline(buff, 500);
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theCurLine++;
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}
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return buff;
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}
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// Force static initialization.
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extern "C" void LLVMInitializeNVPTXAsmPrinter() {
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RegisterAsmPrinter<NVPTXAsmPrinter> X(getTheNVPTXTarget32());
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@ -41,7 +41,6 @@
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#include "llvm/Target/TargetMachine.h"
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#include <algorithm>
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#include <cassert>
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#include <fstream>
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#include <map>
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#include <memory>
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#include <string>
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@ -60,27 +59,6 @@ namespace llvm {
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class MCOperand;
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class LineReader {
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private:
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unsigned theCurLine;
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std::ifstream fstr;
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char buff[512];
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std::string theFileName;
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SmallVector<unsigned, 32> lineOffset;
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public:
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LineReader(std::string filename) {
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theCurLine = 0;
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fstr.open(filename.c_str());
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theFileName = filename;
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}
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~LineReader() { fstr.close(); }
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std::string fileName() { return theFileName; }
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std::string readLine(unsigned line);
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};
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class LLVM_LIBRARY_VISIBILITY NVPTXAsmPrinter : public AsmPrinter {
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class AggBuffer {
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@ -217,8 +195,6 @@ class LLVM_LIBRARY_VISIBILITY NVPTXAsmPrinter : public AsmPrinter {
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friend class AggBuffer;
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void emitSrcInText(StringRef filename, unsigned line);
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private:
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StringRef getPassName() const override { return "NVPTX Assembly Printer"; }
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@ -271,8 +247,6 @@ protected:
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bool doFinalization(Module &M) override;
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private:
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std::string CurrentBankselLabelInBasicBlock;
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bool GlobalsEmitted;
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// This is specific per MachineFunction.
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@ -287,17 +261,9 @@ private:
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// Cache the subtarget here.
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const NVPTXSubtarget *nvptxSubtarget;
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// Build the map between type name and ID based on module's type
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// symbol table.
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std::map<Type *, std::string> TypeNameMap;
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// List of variables demoted to a function scope.
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std::map<const Function *, std::vector<const GlobalVariable *>> localDecls;
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// To record filename to ID mapping
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std::map<std::string, unsigned> filenameMap;
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void recordAndEmitFilenames(Module &);
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void emitPTXGlobalVariable(const GlobalVariable *GVar, raw_ostream &O);
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void emitPTXAddressSpace(unsigned int AddressSpace, raw_ostream &O) const;
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std::string getPTXFundamentalTypeStr(Type *Ty, bool = true) const;
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@ -317,10 +283,6 @@ private:
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bool isLoopHeaderOfNoUnroll(const MachineBasicBlock &MBB) const;
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LineReader *reader = nullptr;
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LineReader *getReader(const std::string &);
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// Used to control the need to emit .generic() in the initializer of
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// module scope variables.
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// Although ptx supports the hybrid mode like the following,
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@ -340,10 +302,6 @@ public:
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EmitGeneric(static_cast<NVPTXTargetMachine &>(TM).getDrvInterface() ==
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NVPTX::CUDA) {}
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~NVPTXAsmPrinter() override {
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delete reader;
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}
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bool runOnMachineFunction(MachineFunction &F) override;
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void getAnalysisUsage(AnalysisUsage &AU) const override {
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@ -351,8 +309,6 @@ public:
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AsmPrinter::getAnalysisUsage(AU);
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}
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bool ignoreLoc(const MachineInstr &);
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std::string getVirtualRegisterName(unsigned) const;
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};
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