EISW-163563 Add CMake option to conditionally enable XeGPU dialect

Introduced a CMake option MLIR_DIALECT_XEGPU_ENABLE (default OFF) to optionally include the XeGPU dialect in the build.

Author: sramasit

mlir/CMakeLists.txt

@@ -191,6 +191,15 @@ set(MLIR_PDLL_TABLEGEN_TARGET "${MLIR_PDLL_TABLEGEN_TARGET}" CACHE INTERNAL "")
 set(MLIR_SRC_SHARDER_TABLEGEN_EXE "${MLIR_SRC_SHARDER_TABLEGEN_EXE}" CACHE INTERNAL "")
 set(MLIR_SRC_SHARDER_TABLEGEN_TARGET "${MLIR_SRC_SHARDER_TABLEGEN_TARGET}" CACHE INTERNAL "")
 
+# XeGPU Dialect Option (Default OFF)
+option(MLIR_DIALECT_XEGPU_ENABLE
+       "Enable the XeGPU dialect."
+       OFF)
+
+if(MLIR_DIALECT_XEGPU_ENABLE)
+  add_compile_definitions(MLIR_DIALECT_XEGPU_ENABLE)
+endif()
+
 add_subdirectory(include/mlir)
 add_subdirectory(lib)
 # C API needs all dialects for registration, but should be built before tests.

mlir/docs/Passes.md

@@ -119,7 +119,3 @@ This document describes the available MLIR passes and their contracts.
 ## TOSA Dialect Passes
 
 [include "TosaPasses.md"]
-
-## XeGPU Dialect Passes
-
-[include "XeGPUPasses.md"]

mlir/include/mlir/Dialect/CMakeLists.txt

@@ -44,4 +44,6 @@ add_subdirectory(UB)
 add_subdirectory(Utils)
 add_subdirectory(Vector)
 add_subdirectory(X86Vector)
-# add_subdirectory(XeGPU)
+if(MLIR_DIALECT_XEGPU_ENABLE)
+  add_subdirectory(XeGPU)
+endif()