Add OpenCL samplers as Clang builtin types and check sampler related restrictions.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174601 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGOpenCLRuntime.cpp b/lib/CodeGen/CGOpenCLRuntime.cpp
index 215d096..7c454ac 100644
--- a/lib/CodeGen/CGOpenCLRuntime.cpp
+++ b/lib/CodeGen/CGOpenCLRuntime.cpp
@@ -55,6 +55,8 @@
   case BuiltinType::OCLImage3d:
     return llvm::PointerType::get(llvm::StructType::create(
                            CGM.getLLVMContext(), "opencl.image3d_t"), 0);
+  case BuiltinType::OCLSampler:
+    return llvm::IntegerType::get(CGM.getLLVMContext(),32);
   case BuiltinType::OCLEvent:
     return llvm::PointerType::get(llvm::StructType::create(
                            CGM.getLLVMContext(), "opencl.event_t"), 0);