Prioritize explicit EnableZEBinary flag over platform settings

This change essentially unifies `EnableZEBinary` and `ForceZEBinary`
configuration flags, prioritizing the former over platform's support for ZEBin
and removing the latter altogether.

Author: Artem Gindinson

IGC/Compiler/CISACodeGen/OpenCLKernelCodeGen.hpp

@@ -264,13 +264,6 @@ namespace IGC
             }
 
 
-            // Handle forcing ZEBin
-            if (IGC_IS_FLAG_SET(ForceZEBinary))
-            {
-                m_enableZEBinary = IGC_IS_FLAG_ENABLED(ForceZEBinary);
-                return;
-            }
-
             // Logic for native ZEBin support
             auto supportsZEBin = [&](CPlatform platformInfo)
             {
@@ -290,14 +283,13 @@ namespace IGC
                 }
             };
 
-            if (!supportsZEBin(platform))
-            {
-                m_enableZEBinary = false;
-                return;
-            }
-
             if (IGC_IS_FLAG_SET(EnableZEBinary))
                 m_enableZEBinary = IGC_IS_FLAG_ENABLED(EnableZEBinary);
+            // TODO: Should options/internal options precede the platform
+            // support status? Consider changing the priority if any
+            // corresponding user scenarios get discovered.
+            else if (!supportsZEBin(platform))
+                m_enableZEBinary = false;
             else if (m_Options.EnableZEBinary)
                 m_enableZEBinary = *m_Options.EnableZEBinary;
             else if (m_InternalOptions.EnableZEBinary)

IGC/common/igc_flags.h

@@ -676,8 +676,7 @@ DECLARE_IGC_REGKEY(bool, EnableLocalIdCalculationInShader, false,
     "shaders on XeHP+. IDs are calculated only if HW generated IDs cannot be"\
     "used.", true)
 DECLARE_IGC_REGKEY(bool, EnableVector8LoadStore, false, "Enable Vectorizer to generate 8x32i and 4x64i loads and stores", true)
-DECLARE_IGC_REGKEY(bool, EnableZEBinary, true,  "Enable output in ZE binary format for supported platforms", true)
-DECLARE_IGC_REGKEY(bool, ForceZEBinary,  false, "Force enable/force disable output in ZE binary format. Overrides EnableZEBinary", true)
+DECLARE_IGC_REGKEY(bool, EnableZEBinary, true,  "Force-enable output in ZE binary format. Leave unset for compiler to choose based on current platform's support for ZE binary", true)
 DECLARE_IGC_REGKEY(bool, ExcludeIRFromZEBinary, false, "Exclude IR sections from ZE binary", true)
 DECLARE_IGC_REGKEY(bool, AllocateZeroInitializedVarsInBss, false,  "Allocate zero initialized global variables in .bss section in ZEBinary", true)
 DECLARE_IGC_REGKEY(DWORD, OverrideOCLMaxParamSize, 0,  "Override the value imposed on the kernel by CL_DEVICE_MAX_PARAMETER_SIZE. Value in bytes, if value==0 no override happens.", true)