Add enviroment variable for OCL debugging options

Author: DianaChen

IGC/AdaptorOCL/ocl_igc_interface/impl/igc_ocl_translation_ctx_impl.h

@@ -226,6 +226,7 @@ CIF_DECLARE_INTERFACE_PIMPL(IgcOclTranslationCtx) : CIF::PimplBase
 
         IGC::CPlatform igcPlatform = this->globalState.GetIgcCPlatform();
 
+        // extra ocl options set from regkey
         const char *extraOptions = IGC_GET_REGKEYSTRING(ExtraOCLOptions);
         std::string combinedOptions;
         if (extraOptions[0] != '\0')
@@ -239,6 +240,20 @@ CIF_DECLARE_INTERFACE_PIMPL(IgcOclTranslationCtx) : CIF::PimplBase
             inputArgs.OptionsSize = combinedOptions.size();
         }
 
+        // extra ocl internal options set from regkey
+        const char *extraInternlOptions = IGC_GET_REGKEYSTRING(ExtraOCLInternalOptions);
+        std::string combinedInternalOptions;
+        if (extraInternlOptions[0] != '\0')
+        {
+            if (inputArgs.pInternalOptions != nullptr)
+            {
+                combinedInternalOptions = std::string(inputArgs.pInternalOptions) + ' ';
+            }
+            combinedInternalOptions += extraInternlOptions;
+            inputArgs.pInternalOptions = combinedInternalOptions.c_str();
+            inputArgs.InternalOptionsSize = combinedInternalOptions.size();
+        }
+
         bool success = false;
         if (this->inType == CodeType::elf)
         {

IGC/common/igc_flags.def

@@ -268,6 +268,7 @@ DECLARE_IGC_REGKEY(bool, EnableGTLocationDebugging,     false, "Setting this to
 DECLARE_IGC_REGKEY(bool, EnableRelocations,             false, "Setting this to 1 (true) makes IGC emit relocatable ELF with debug info", true)
 DECLARE_IGC_REGKEY(bool, EnableWriteOldFPToStack,       true,  "Setting this to 1 (true) writes the caller frame's frame-pointer to the start of callee's frame on stack, to support stack walk", false)
 DECLARE_IGC_REGKEY(debugString, ExtraOCLOptions,        0,     "Extra options for OpenCL", true)
+DECLARE_IGC_REGKEY(debugString, ExtraOCLInternalOptions, 0,    "Extra internal options for OpenCL", true)
 
 DECLARE_IGC_GROUP("IGC Features")
 DECLARE_IGC_REGKEY(bool, EnableOCLSIMD16,               true,  "Enable OCL SIMD16 mode", true)