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| 1 //===- subzero/src/PNaClTranslator.cpp - ICE from bitcode -----------------===// | 1 //===- subzero/src/PNaClTranslator.cpp - ICE from bitcode -----------------===// |
| 2 // | 2 // |
| 3 // The Subzero Code Generator | 3 // The Subzero Code Generator |
| 4 // | 4 // |
| 5 // This file is distributed under the University of Illinois Open Source | 5 // This file is distributed under the University of Illinois Open Source |
| 6 // License. See LICENSE.TXT for details. | 6 // License. See LICENSE.TXT for details. |
| 7 // | 7 // |
| 8 //===----------------------------------------------------------------------===// | 8 //===----------------------------------------------------------------------===// |
| 9 // | 9 // |
| 10 // This file implements the PNaCl bitcode file to Ice, to machine code | 10 // This file implements the PNaCl bitcode file to Ice, to machine code |
| 11 // translator. | 11 // translator. |
| 12 // | 12 // |
| 13 //===----------------------------------------------------------------------===// | 13 //===----------------------------------------------------------------------===// |
| 14 | 14 |
| 15 #include "PNaClTranslator.h" | |
| 16 #include "IceCfg.h" | 15 #include "IceCfg.h" |
| 17 #include "IceCfgNode.h" | 16 #include "IceCfgNode.h" |
| 18 #include "IceClFlags.h" | 17 #include "IceClFlags.h" |
| 19 #include "IceDefs.h" | 18 #include "IceDefs.h" |
| 20 #include "IceInst.h" | 19 #include "IceInst.h" |
| 21 #include "IceOperand.h" | 20 #include "IceOperand.h" |
| 22 #include "IceTypeConverter.h" | 21 #include "IceTypeConverter.h" |
| 22 #include "PNaClTranslator.h" |
| 23 #include "llvm/Analysis/NaCl/PNaClABIProps.h" | 23 #include "llvm/Analysis/NaCl/PNaClABIProps.h" |
| 24 #include "llvm/Bitcode/NaCl/NaClBitcodeDecoders.h" | 24 #include "llvm/Bitcode/NaCl/NaClBitcodeDecoders.h" |
| 25 #include "llvm/Bitcode/NaCl/NaClBitcodeHeader.h" | 25 #include "llvm/Bitcode/NaCl/NaClBitcodeHeader.h" |
| 26 #include "llvm/Bitcode/NaCl/NaClBitcodeParser.h" | 26 #include "llvm/Bitcode/NaCl/NaClBitcodeParser.h" |
| 27 #include "llvm/Bitcode/NaCl/NaClReaderWriter.h" | 27 #include "llvm/Bitcode/NaCl/NaClReaderWriter.h" |
| 28 #include "llvm/IR/Constants.h" | 28 #include "llvm/IR/Constants.h" |
| 29 #include "llvm/IR/DataLayout.h" | 29 #include "llvm/IR/DataLayout.h" |
| 30 #include "llvm/IR/LLVMContext.h" | 30 #include "llvm/IR/LLVMContext.h" |
| 31 #include "llvm/IR/Module.h" | 31 #include "llvm/IR/Module.h" |
| 32 #include "llvm/Support/Format.h" | 32 #include "llvm/Support/Format.h" |
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| 845 Func->setInternal(LLVMFunc->hasInternalLinkage()); | 845 Func->setInternal(LLVMFunc->hasInternalLinkage()); |
| 846 CurrentNode = InstallNextBasicBlock(); | 846 CurrentNode = InstallNextBasicBlock(); |
| 847 Func->setEntryNode(CurrentNode); | 847 Func->setEntryNode(CurrentNode); |
| 848 for (Function::const_arg_iterator ArgI = LLVMFunc->arg_begin(), | 848 for (Function::const_arg_iterator ArgI = LLVMFunc->arg_begin(), |
| 849 ArgE = LLVMFunc->arg_end(); | 849 ArgE = LLVMFunc->arg_end(); |
| 850 ArgI != ArgE; ++ArgI) { | 850 ArgI != ArgE; ++ArgI) { |
| 851 Func->addArg(getNextInstVar(Context->convertToIceType(ArgI->getType()))); | 851 Func->addArg(getNextInstVar(Context->convertToIceType(ArgI->getType()))); |
| 852 } | 852 } |
| 853 } | 853 } |
| 854 | 854 |
| 855 ~FunctionParser() override; | 855 ~FunctionParser() override{}; |
| 856 | 856 |
| 857 // Set the next constant ID to the given constant C. | 857 // Set the next constant ID to the given constant C. |
| 858 void setNextConstantID(Ice::Constant *C) { | 858 void setNextConstantID(Ice::Constant *C) { |
| 859 setOperand(NextLocalInstIndex++, C); | 859 setOperand(NextLocalInstIndex++, C); |
| 860 } | 860 } |
| 861 | 861 |
| 862 private: | 862 private: |
| 863 // Timer for reading function bitcode and converting to ICE. | |
| 864 Ice::Timer TConvert; | |
| 865 // The corresponding ICE function defined by the function block. | 863 // The corresponding ICE function defined by the function block. |
| 866 Ice::Cfg *Func; | 864 Ice::Cfg *Func; |
| 867 // The index to the current basic block being built. | 865 // The index to the current basic block being built. |
| 868 uint32_t CurrentBbIndex; | 866 uint32_t CurrentBbIndex; |
| 869 // The basic block being built. | 867 // The basic block being built. |
| 870 Ice::CfgNode *CurrentNode; | 868 Ice::CfgNode *CurrentNode; |
| 871 // The ID for the function. | 869 // The ID for the function. |
| 872 unsigned FcnId; | 870 unsigned FcnId; |
| 873 // The corresponding LLVM function. | 871 // The corresponding LLVM function. |
| 874 Function *LLVMFunc; | 872 Function *LLVMFunc; |
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| 1369 return true; | 1367 return true; |
| 1370 case naclbitc::FCMP_TRUE: | 1368 case naclbitc::FCMP_TRUE: |
| 1371 Cond = Ice::InstFcmp::True; | 1369 Cond = Ice::InstFcmp::True; |
| 1372 return true; | 1370 return true; |
| 1373 default: | 1371 default: |
| 1374 return false; | 1372 return false; |
| 1375 } | 1373 } |
| 1376 } | 1374 } |
| 1377 }; | 1375 }; |
| 1378 | 1376 |
| 1379 FunctionParser::~FunctionParser() { | |
| 1380 if (getFlags().SubzeroTimingEnabled) { | |
| 1381 errs() << "[Subzero timing] Convert function " << Func->getFunctionName() | |
| 1382 << ": " << TConvert.getElapsedSec() << " sec\n"; | |
| 1383 } | |
| 1384 } | |
| 1385 | |
| 1386 void FunctionParser::ReportInvalidBinopOpcode(unsigned Opcode, Ice::Type Ty) { | 1377 void FunctionParser::ReportInvalidBinopOpcode(unsigned Opcode, Ice::Type Ty) { |
| 1387 std::string Buffer; | 1378 std::string Buffer; |
| 1388 raw_string_ostream StrBuf(Buffer); | 1379 raw_string_ostream StrBuf(Buffer); |
| 1389 StrBuf << "Binary opcode " << Opcode << "not understood for type " << Ty; | 1380 StrBuf << "Binary opcode " << Opcode << "not understood for type " << Ty; |
| 1390 Error(StrBuf.str()); | 1381 Error(StrBuf.str()); |
| 1391 } | 1382 } |
| 1392 | 1383 |
| 1393 void FunctionParser::ExitBlock() { | 1384 void FunctionParser::ExitBlock() { |
| 1394 // Before translating, check for blocks without instructions, and | 1385 // Before translating, check for blocks without instructions, and |
| 1395 // insert unreachable. This shouldn't happen, but be safe. | 1386 // insert unreachable. This shouldn't happen, but be safe. |
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| 2430 | 2421 |
| 2431 if (TopLevelBlocks != 1) { | 2422 if (TopLevelBlocks != 1) { |
| 2432 errs() << IRFilename | 2423 errs() << IRFilename |
| 2433 << ": Contains more than one module. Found: " << TopLevelBlocks | 2424 << ": Contains more than one module. Found: " << TopLevelBlocks |
| 2434 << "\n"; | 2425 << "\n"; |
| 2435 ErrorStatus = true; | 2426 ErrorStatus = true; |
| 2436 } | 2427 } |
| 2437 } | 2428 } |
| 2438 | 2429 |
| 2439 } // end of namespace Ice | 2430 } // end of namespace Ice |
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