X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=examples%2FKaleidoscope%2FOrc%2Flazy_irgen%2Ftoy.cpp;h=f9b972e829488aaef42217c310085560a23db465;hb=d16725c31fbb40fcbf0cdf68b2b417ba445c5140;hp=a1779c7e1bf492da4f8c4ef67bd3a96726919c41;hpb=23662fba704e684f24d3114bb399c80d5c0afbd9;p=oota-llvm.git

diff --git a/examples/Kaleidoscope/Orc/lazy_irgen/toy.cpp b/examples/Kaleidoscope/Orc/lazy_irgen/toy.cpp
index a1779c7e1bf..f9b972e8294 100644
--- a/examples/Kaleidoscope/Orc/lazy_irgen/toy.cpp
+++ b/examples/Kaleidoscope/Orc/lazy_irgen/toy.cpp
@@ -86,7 +86,7 @@ static int gettok() {
       LastChar = getchar();
     } while (isdigit(LastChar) || LastChar == '.');
 
-    NumVal = strtod(NumStr.c_str(), 0);
+    NumVal = strtod(NumStr.c_str(), nullptr);
     return tok_number;
   }
 
@@ -386,7 +386,6 @@ static std::unique_ptr<ForExprAST> ParseForExpr() {
     return ErrorU<ForExprAST>("expected '=' after for");
   getNextToken();  // eat '='.
 
-
   auto Start = ParseExpression();
   if (!Start)
     return nullptr;
@@ -747,7 +746,7 @@ static AllocaInst *CreateEntryBlockAlloca(Function *TheFunction,
                                           const std::string &VarName) {
   IRBuilder<> TmpB(&TheFunction->getEntryBlock(),
                  TheFunction->getEntryBlock().begin());
-  return TmpB.CreateAlloca(Type::getDoubleTy(getGlobalContext()), 0,
+  return TmpB.CreateAlloca(Type::getDoubleTy(getGlobalContext()), nullptr,
                            VarName.c_str());
 }
 
@@ -759,7 +758,7 @@ Value *VariableExprAST::IRGen(IRGenContext &C) const {
   // Look this variable up in the function.
   Value *V = C.NamedValues[Name];
 
-  if (V == 0)
+  if (!V)
     return ErrorP<Value>("Unknown variable name '" + Name + "'");
 
   // Load the value.
@@ -959,7 +958,7 @@ Value *ForExprAST::IRGen(IRGenContext &C) const {
 
   // Compute the end condition.
   Value *EndCond = End->IRGen(C);
-  if (EndCond == 0) return EndCond;
+  if (!EndCond) return nullptr;
 
   // Reload, increment, and restore the alloca.  This handles the case where
   // the body of the loop mutates the variable.
@@ -987,7 +986,6 @@ Value *ForExprAST::IRGen(IRGenContext &C) const {
   else
     C.NamedValues.erase(VarName);
 
-
   // for expr always returns 0.0.
   return Constant::getNullValue(Type::getDoubleTy(getGlobalContext()));
 }
@@ -1223,7 +1221,7 @@ private:
   RuntimeDyld::SymbolInfo searchFunctionASTs(const std::string &Name) {
     auto DefI = FunctionDefs.find(Name);
     if (DefI == FunctionDefs.end())
-      return 0;
+      return nullptr;
 
     // Take the FunctionAST out of the map.
     auto FnAST = std::move(DefI->second);