Revert commit 794d514

Author: aratajew

IGC/AdaptorCommon/ProcessFuncAttributes.cpp

@@ -34,7 +34,6 @@ SPDX-License-Identifier: MIT
 #include "common/igc_regkeys.hpp"
 #include <string>
 #include <set>
-#include <regex>
 
 using namespace llvm;
 using namespace IGC;
@@ -279,14 +278,12 @@ bool ProcessFuncAttributes::runOnModule(Module& M)
         // Check all "ExternalLinkage" functions. Func declarations = Import, Func definition = Export
         if (F->hasExternalLinkage() && F->getCallingConv() == CallingConv::SPIR_FUNC)
         {
-            bool isKhronosSPVIRBuiltin = std::regex_match(F->getName().str(), std::regex("_Z[0-9]+__spirv_.*"));
             // builtins should not be externally linked, they will always be resolved by IGC
             return !(F->hasFnAttribute(llvm::Attribute::Builtin)
                 || F->getName().startswith("__builtin_")
                 || F->getName().startswith("__igcbuiltin_")
                 || F->getName().startswith("llvm.")
-                || F->getName().equals("printf")
-                || isKhronosSPVIRBuiltin);
+                || F->getName().equals("printf"));
         }
         return false;
     };

IGC/AdaptorOCL/CMakeLists.txt

@@ -18,7 +18,6 @@ include_directories("${CMAKE_CURRENT_SOURCE_DIR}")
 set(IGC_BUILD__SRC__AdaptorOCL
     "${CMAKE_CURRENT_SOURCE_DIR}/UnifyIROCL.cpp"
     "${CMAKE_CURRENT_SOURCE_DIR}/MoveStaticAllocas.cpp"
-    "${CMAKE_CURRENT_SOURCE_DIR}/PreprocessSPVIR.cpp"
   )
 
 if(IGC_BUILD__SPIRV_ENABLED)
@@ -117,7 +116,6 @@ set(IGC_BUILD__HDR__AdaptorOCL
     "${CMAKE_CURRENT_SOURCE_DIR}/DriverInfoOCL.hpp"
     "${CMAKE_CURRENT_SOURCE_DIR}/UnifyIROCL.hpp"
     "${CMAKE_CURRENT_SOURCE_DIR}/MoveStaticAllocas.h"
-    "${CMAKE_CURRENT_SOURCE_DIR}/PreprocessSPVIR.h"
 
     #"${IGC_BUILD__COMMON_COMPILER_DIR}/adapters/d3d10/API/USC_d3d10.h"
     #"${IGC_BUILD__COMMON_COMPILER_DIR}/adapters/d3d10/usc_d3d10_umd.h"