[bazel][NFC] Add Dialect/Func/Extensions library and deps

Added in D120368

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

@@ -3661,6 +3661,27 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "FuncExtensions",
+    srcs = glob(["lib/Dialect/Func/Extensions/*.cpp"]),
+    hdrs = glob(["include/mlir/Dialect/Func/Extensions/*.h"]),
+    includes = ["include"],
+    deps = [
+        ":ControlFlowDialect",
+        ":FuncDialect",
+        ":IR",
+        ":InferTypeOpInterface",
+    ],
+)
+
+cc_library(
+    name = "AllExtensions",
+    hdrs = ["include/mlir/InitAllExtensions.h"],
+    deps = [
+        ":FuncExtensions",
+    ],
+)
+
 # TODO(zinenko): remove this after updating users.
 
 gentbl_cc_library(
@@ -7629,6 +7650,7 @@ cc_binary(
     srcs = ["tools/mlir-opt/mlir-opt.cpp"],
     local_defines = ["MLIR_INCLUDE_TESTS"],
     deps = [
+        ":AllExtensions",
         ":AllPassesAndDialects",
         ":Analysis",
         ":IR",

utils/bazel/llvm-project-overlay/mlir/examples/toy/Ch5/BUILD.bazel

@@ -103,6 +103,7 @@ cc_binary(
         "//mlir:ArithDialect",
         "//mlir:CastInterfaces",
         "//mlir:FuncDialect",
+        "//mlir:FuncExtensions",
         "//mlir:IR",
         "//mlir:MemRefDialect",
         "//mlir:Parser",

utils/bazel/llvm-project-overlay/mlir/examples/toy/Ch6/BUILD.bazel

@@ -111,6 +111,7 @@ cc_binary(
         "//mlir:ExecutionEngine",
         "//mlir:ExecutionEngineUtils",
         "//mlir:FuncDialect",
+        "//mlir:FuncExtensions",
         "//mlir:FuncToLLVM",
         "//mlir:IR",
         "//mlir:LLVMCommonConversion",

utils/bazel/llvm-project-overlay/mlir/examples/toy/Ch7/BUILD.bazel

@@ -111,6 +111,7 @@ cc_binary(
         "//mlir:ExecutionEngine",
         "//mlir:ExecutionEngineUtils",
         "//mlir:FuncDialect",
+        "//mlir:FuncExtensions",
         "//mlir:FuncToLLVM",
         "//mlir:IR",
         "//mlir:LLVMCommonConversion",