lib/VMCore/IRBuilder.cpp

   1 //===---- IRBuilder.cpp - Builder for LLVM Instrs -------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file implements the IRBuilder class, which is used as a convenient way
  11 // to create LLVM instructions with a consistent and simplified interface.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #include "llvm/Support/IRBuilder.h"
  16 #include "llvm/GlobalVariable.h"
  17 #include "llvm/Function.h"
  18 #include "llvm/LLVMContext.h"
  19 using namespace llvm;
  20
  21 /// CreateGlobalString - Make a new global variable with an initializer that
  22 /// has array of i8 type filled in with the nul terminated string value
  23 /// specified.  If Name is specified, it is the name of the global variable
  24 /// created.
  25 Value *IRBuilderBase::CreateGlobalString(const char *Str, const Twine &Name) {
  26   Constant *StrConstant = ConstantArray::get(Context, Str, true);
  27   Module &M = *BB->getParent()->getParent();
  28   GlobalVariable *GV = new GlobalVariable(M, StrConstant->getType(),
  29                                           true, GlobalValue::InternalLinkage,
  30                                           StrConstant, "", 0, false);
  31   GV->setName(Name);
  32   return GV;
  33 }
  34
  35 const Type *IRBuilderBase::getCurrentFunctionReturnType() const {
  36   assert(BB && BB->getParent() && "No current function!");
  37   return BB->getParent()->getReturnType();
  38 }