Put in namespace

Fixes #237

Author: Kotynia, Piotr

IGC/GenISAIntrinsics/GenIntrinsics.cpp

@@ -1,6 +1,6 @@
 /*========================== begin_copyright_notice ============================
 
-Copyright (C) 2017-2021 Intel Corporation
+Copyright (C) 2017-2022 Intel Corporation
 
 SPDX-License-Identifier: MIT
 
@@ -89,6 +89,9 @@ void getIntrinsicInfoTableEntries(ID id, SmallVectorImpl<IITDescriptor> &T, Arra
 ID lookupGenIntrinsicID(const char *Name, unsigned int Len);
 }
 }
+
+namespace {
+
 enum IIT_Info {
   // Common values should be encoded with 0-15.
   IIT_Done = 0,
@@ -132,6 +135,8 @@ enum IIT_Info {
   IIT_V1024 = 36
 };
 
+} // namespace
+
 static Type *DecodeFixedType(ArrayRef<GenISAIntrinsic::IITDescriptor> &Infos,
                              ArrayRef<Type*> Tys, LLVMContext &Context) {
   using namespace GenISAIntrinsic;

IGC/VectorCompiler/lib/InternalIntrinsics/InternalIntrinsics.cpp

@@ -51,6 +51,8 @@ static cl::opt<bool> EnableInternalIntrinsicsCache(
 // Metadata name for caching
 static StringRef InternalIntrinsicMDName{"internal_intrinsic_id"};
 
+namespace {
+
 /// IIT_Info - These are enumerators that describe the entries returned by the
 /// getIntrinsicInfoTableEntries function.
 ///
@@ -102,6 +104,8 @@ enum IIT_Info {
   IIT_STRUCT8 = 40,
   IIT_F128 = 41
 };
+
+} // namespace
 // define static const unsigned IIT_Table
 // define static const unsigned char IIT_LongEncodingTable
 #define GET_INTRINSIC_GENERATOR_GLOBAL