Revert "Remove SPV_KHR_bfloat16 workaround"

Signed-off-by: Whitney Tsang <[email protected]>

Author: whitneywhtsang

third_party/intel/cmake/FindSPIRVToLLVMTranslator.cmake

@@ -26,6 +26,30 @@ if (NOT SPIRVToLLVMTranslator_FOUND)
 
             FetchContent_MakeAvailable(spirv-llvm-translator)
 
+            # FIXME: Don't apply patch when Agama driver is updated.
+            execute_process(
+                COMMAND git apply --check ${CMAKE_CURRENT_LIST_DIR}/3122.patch
+                WORKING_DIRECTORY ${spirv-llvm-translator_SOURCE_DIR}
+                ERROR_QUIET
+                RESULT_VARIABLE PATCH_RESULT
+            )
+            if(PATCH_RESULT EQUAL 0)
+                execute_process(
+                        COMMAND git apply ${CMAKE_CURRENT_LIST_DIR}/3122.patch
+                        WORKING_DIRECTORY ${spirv-llvm-translator_SOURCE_DIR}
+                        RESULT_VARIABLE PATCH_RESULT
+                )
+            else()
+                execute_process( # Check if the patch is already applied
+                        COMMAND git apply --reverse --check ${CMAKE_CURRENT_LIST_DIR}/3122.patch
+                        WORKING_DIRECTORY ${spirv-llvm-translator_SOURCE_DIR}
+                        RESULT_VARIABLE PATCH_RESULT
+                )
+            endif()
+            if(NOT PATCH_RESULT EQUAL 0)
+                message(FATAL_ERROR "Failed to apply 3122.patch to SPIRV-LLVM-Translator")
+            endif()
+
             # FIXME: Don't apply patch when Agama driver is updated to incorporate with the SPV_INTEL_bfloat16_arithmetic extension.
             execute_process(
                 COMMAND git apply --check ${CMAKE_CURRENT_LIST_DIR}/3388.patch