split XeGPU enums into a separate build rule (#89997)

Fixes the bazel build. Note the addition of the Arith dependency created
duplicate arith enum declarations in the two dialects, so it had to be
spit into its own build rule. This matches what the cmake build does for
this dialect.

Author: j2kun

utils/bazel/llvm-project-overlay/mlir/BUILD.bazel

@@ -5,8 +5,8 @@
 # Description:
 #   The MLIR "Multi-Level Intermediate Representation" Compiler Infrastructure
 
-load("@bazel_skylib//rules:expand_template.bzl", "expand_template")
 load("@bazel_skylib//rules:common_settings.bzl", "bool_flag")
+load("@bazel_skylib//rules:expand_template.bzl", "expand_template")
 load(
     ":build_defs.bzl",
     "cc_headers_only",
@@ -3652,14 +3652,6 @@ gentbl_cc_library(
             ],
             "include/mlir/Dialect/XeGPU/IR/XeGPUTypes.cpp.inc",
         ),
-        (
-            ["-gen-enum-decls"],
-            "include/mlir/Dialect/XeGPU/IR/XeGPUEnums.h.inc",
-        ),
-        (
-            ["-gen-enum-defs"],
-            "include/mlir/Dialect/XeGPU/IR/XeGPUEnums.cpp.inc",
-        ),
         (
             [
                 "-gen-attrdef-decls",
@@ -3677,7 +3669,44 @@ gentbl_cc_library(
     ],
     tblgen = ":mlir-tblgen",
     td_file = "include/mlir/Dialect/XeGPU/IR/XeGPU.td",
-    deps = [":XeGPUTdFiles"],
+    deps = [
+        ":ArithOpsTdFiles",
+        ":XeGPUTdFiles",
+    ],
+)
+
+td_library(
+    name = "XeGPUAttrTdFiles",
+    srcs = [
+        "include/mlir/Dialect/XeGPU/IR/XeGPUAttrs.td",
+        "include/mlir/Dialect/XeGPU/IR/XeGPUDialect.td",
+    ],
+    includes = ["include"],
+    deps = [
+        ":BuiltinDialectTdFiles",
+        ":OpBaseTdFiles",
+        ":ShapedOpInterfacesTdFiles",
+        ":ViewLikeInterfaceTdFiles",
+    ],
+)
+
+# Separated from the XeGPUIncGen target because the enum declaration causes
+# duplicate declarations with the Arith enums.
+gentbl_cc_library(
+    name = "XeGPUEnumsIncGen",
+    tbl_outs = [
+        (
+            ["-gen-enum-decls"],
+            "include/mlir/Dialect/XeGPU/IR/XeGPUEnums.h.inc",
+        ),
+        (
+            ["-gen-enum-defs"],
+            "include/mlir/Dialect/XeGPU/IR/XeGPUEnums.cpp.inc",
+        ),
+    ],
+    tblgen = ":mlir-tblgen",
+    td_file = "include/mlir/Dialect/XeGPU/IR/XeGPUAttrs.td",
+    deps = [":XeGPUAttrTdFiles"],
 )
 
 cc_library(
@@ -3689,12 +3718,14 @@ cc_library(
     hdrs = ["include/mlir/Dialect/XeGPU/IR/XeGPU.h"],
     includes = ["include"],
     deps = [
+        ":ArithDialect",
         ":BytecodeOpInterface",
         ":DialectUtils",
         ":IR",
         ":ShapedOpInterfaces",
         ":SideEffectInterfaces",
         ":ViewLikeInterface",
+        ":XeGPUEnumsIncGen",
         ":XeGPUIncGen",
         "//llvm:Support",
     ],