eliminate some VC++ warnings, patch contributed by Hartmut Kaiser


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41692 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CGExprScalar.cpp b/CodeGen/CGExprScalar.cpp
index 1cc33bd..e0a8718 100644
--- a/CodeGen/CGExprScalar.cpp
+++ b/CodeGen/CGExprScalar.cpp
@@ -517,7 +517,7 @@
   
   assert(RetType->isIntegerType() && "Result type must be an integer!");
   
-  unsigned ResultWidth = CGF.getContext().getTypeSize(RetType,SourceLocation());
+  unsigned ResultWidth = static_cast<unsigned>(CGF.getContext().getTypeSize(RetType,SourceLocation()));
   return llvm::ConstantInt::get(llvm::APInt(ResultWidth, Val));
 }
 
diff --git a/CodeGen/CodeGenFunction.cpp b/CodeGen/CodeGenFunction.cpp
index 389bd05..d540ea7 100644
--- a/CodeGen/CodeGenFunction.cpp
+++ b/CodeGen/CodeGenFunction.cpp
@@ -51,9 +51,9 @@
 
 void CodeGenFunction::GenerateCode(const FunctionDecl *FD) {
   LLVMIntTy = ConvertType(getContext().IntTy);
-  LLVMPointerWidth =
+  LLVMPointerWidth = static_cast<unsigned>(
     getContext().getTypeSize(getContext().getPointerType(getContext().VoidTy),
-                             SourceLocation());
+                             SourceLocation()));
   
   CurFn = cast<llvm::Function>(CGM.GetAddrOfGlobalDecl(FD));
   CurFuncDecl = FD;
diff --git a/CodeGen/CodeGenModule.cpp b/CodeGen/CodeGenModule.cpp
index ec3d0af..a26e129 100644
--- a/CodeGen/CodeGenModule.cpp
+++ b/CodeGen/CodeGenModule.cpp
@@ -67,8 +67,8 @@
   if (D->getInit() == 0) {
     Init = llvm::Constant::getNullValue(GV->getType()->getElementType());
   } else if (D->getType()->isIntegerType()) {
-    llvm::APSInt Value(getContext().getTypeSize(D->getInit()->getType(),
-                                                SourceLocation()));
+    llvm::APSInt Value(static_cast<unsigned>(
+      getContext().getTypeSize(D->getInit()->getType(), SourceLocation())));
     if (D->getInit()->isIntegerConstantExpr(Value, Context))
       Init = llvm::ConstantInt::get(Value);
   }
diff --git a/CodeGen/CodeGenTypes.cpp b/CodeGen/CodeGenTypes.cpp
index 85d5584..46668e4 100644
--- a/CodeGen/CodeGenTypes.cpp
+++ b/CodeGen/CodeGenTypes.cpp
@@ -58,7 +58,8 @@
     case BuiltinType::ULong:
     case BuiltinType::LongLong:
     case BuiltinType::ULongLong:
-      return llvm::IntegerType::get(Context.getTypeSize(T, SourceLocation()));
+      return llvm::IntegerType::get(
+        static_cast<unsigned>(Context.getTypeSize(T, SourceLocation())));
       
     case BuiltinType::Float:      return llvm::Type::FloatTy;
     case BuiltinType::Double:     return llvm::Type::DoubleTy;