diff --git a/examples/Kaleidoscope/Chapter3/toy.cpp b/examples/Kaleidoscope/Chapter3/toy.cpp
index 73520d8fa95..9a3d4a4e6df 100644
--- a/examples/Kaleidoscope/Chapter3/toy.cpp
+++ b/examples/Kaleidoscope/Chapter3/toy.cpp
@@ -367,9 +367,9 @@ Value *BinaryExprAST::Codegen() {
   if (L == 0 || R == 0) return 0;
   
   switch (Op) {
-  case '+': return Builder.CreateAdd(L, R, "addtmp");
-  case '-': return Builder.CreateSub(L, R, "subtmp");
-  case '*': return Builder.CreateMul(L, R, "multmp");
+  case '+': return Builder.CreateFAdd(L, R, "addtmp");
+  case '-': return Builder.CreateFSub(L, R, "subtmp");
+  case '*': return Builder.CreateFMul(L, R, "multmp");
   case '<':
     L = Builder.CreateFCmpULT(L, R, "cmptmp");
     // Convert bool 0/1 to double 0.0 or 1.0
diff --git a/examples/Kaleidoscope/Chapter5/toy.cpp b/examples/Kaleidoscope/Chapter5/toy.cpp
index 05ea8647350..844c769ebd2 100644
--- a/examples/Kaleidoscope/Chapter5/toy.cpp
+++ b/examples/Kaleidoscope/Chapter5/toy.cpp
@@ -615,7 +615,7 @@ Value *ForExprAST::Codegen() {
     StepVal = ConstantFP::get(getGlobalContext(), APFloat(1.0));
   }
   
-  Value *NextVar = Builder.CreateAdd(Variable, StepVal, "nextvar");
+  Value *NextVar = Builder.CreateFAdd(Variable, StepVal, "nextvar");
 
   // Compute the end condition.
   Value *EndCond = End->Codegen();
diff --git a/examples/Kaleidoscope/Chapter6/toy.cpp b/examples/Kaleidoscope/Chapter6/toy.cpp
index ef348e55b6b..98a097cc47d 100644
--- a/examples/Kaleidoscope/Chapter6/toy.cpp
+++ b/examples/Kaleidoscope/Chapter6/toy.cpp
@@ -719,7 +719,7 @@ Value *ForExprAST::Codegen() {
     StepVal = ConstantFP::get(getGlobalContext(), APFloat(1.0));
   }
   
-  Value *NextVar = Builder.CreateAdd(Variable, StepVal, "nextvar");
+  Value *NextVar = Builder.CreateFAdd(Variable, StepVal, "nextvar");
 
   // Compute the end condition.
   Value *EndCond = End->Codegen();
diff --git a/examples/Kaleidoscope/Chapter7/toy.cpp b/examples/Kaleidoscope/Chapter7/toy.cpp
index 7519debbab2..0cf7869d02f 100644
--- a/examples/Kaleidoscope/Chapter7/toy.cpp
+++ b/examples/Kaleidoscope/Chapter7/toy.cpp
@@ -828,7 +828,7 @@ Value *ForExprAST::Codegen() {
   // Reload, increment, and restore the alloca.  This handles the case where
   // the body of the loop mutates the variable.
   Value *CurVar = Builder.CreateLoad(Alloca, VarName.c_str());
-  Value *NextVar = Builder.CreateAdd(CurVar, StepVal, "nextvar");
+  Value *NextVar = Builder.CreateFAdd(CurVar, StepVal, "nextvar");
   Builder.CreateStore(NextVar, Alloca);
   
   // Convert condition to a bool by comparing equal to 0.0.