Austin Sun / CSE131-PA4

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irgen.cc 1.47 KB
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c30bbd12c   Austin Sun   well 
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  /* irgen.cc -  LLVM IR generator
   *
   * You can implement any LLVM related functions here.
   */
  
  #include "irgen.h"
a5616f5de   Jeffrey Johnson   Constants 
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  IRGenerator irgen;
c30bbd12c   Austin Sun   well 
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  IRGenerator::IRGenerator() :
      context(NULL),
      module(NULL),
      currentFunc(NULL),
      currentBB(NULL)
  {
  }
  
  IRGenerator::~IRGenerator() {
  }
  
  llvm::Module *IRGenerator::GetOrCreateModule(const char *moduleID)
  {
     if ( module == NULL ) {
       context = new llvm::LLVMContext();
       module  = new llvm::Module(moduleID, *context);
       module->setTargetTriple(TargetTriple);
       module->setDataLayout(TargetLayout);
     }
     return module;
  }
  
  void IRGenerator::SetFunction(llvm::Function *func) {
     currentFunc = func;
  }
  
  llvm::Function *IRGenerator::GetFunction() const {
     return currentFunc;
  }
  
  void IRGenerator::SetBasicBlock(llvm::BasicBlock *bb) {
     currentBB = bb;
  }
  
  llvm::BasicBlock *IRGenerator::GetBasicBlock() const {
     return currentBB;
  }
  
  llvm::Type *IRGenerator::GetIntType() const {
     llvm::Type *ty = llvm::Type::getInt32Ty(*context);
     return ty;
  }
  
  llvm::Type *IRGenerator::GetBoolType() const {
     llvm::Type *ty = llvm::Type::getInt1Ty(*context);
     return ty;
  }
  
  llvm::Type *IRGenerator::GetFloatType() const {
     llvm::Type *ty = llvm::Type::getFloatTy(*context);
     return ty;
  }
  
  const char *IRGenerator::TargetLayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128";
  
  const char *IRGenerator::TargetTriple = "x86_64-redhat-linux-gnu";