diff --git a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
@@ -1856,6 +1856,116 @@
     deps = [":X86VectorTdFiles"],
 )
 
+##---------------------------------------------------------------------------##
+# IRDL dialect.
+##---------------------------------------------------------------------------##
+
+td_library(
+    name = "IRDLTdFiles",
+    srcs = [
+        "include/mlir/Dialect/IRDL/IR/IRDL.td",
+        "include/mlir/Dialect/IRDL/IR/IRDLOps.td",
+        "include/mlir/Dialect/IRDL/IR/IRDLTypes.td",
+    ],
+    includes = ["include"],
+    deps = [
+        ":InferTypeOpInterfaceTdFiles",
+        ":OpBaseTdFiles",
+        ":SideEffectInterfacesTdFiles",
+    ]
+)
+
+gentbl_cc_library(
+    name = "IRDLIncGen",
+    strip_include_prefix = "include",
+    tbl_outs = [
+        (
+            ["-gen-dialect-decls"],
+            "include/mlir/Dialect/IRDL/IR/IRDLDialect.h.inc",
+        ),
+        (
+            ["-gen-dialect-defs"],
+            "include/mlir/Dialect/IRDL/IR/IRDLDialect.cpp.inc",
+        ),
+        (
+            ["-gen-op-decls"],
+            "include/mlir/Dialect/IRDL/IR/IRDL.h.inc",
+        ),
+        (
+            ["-gen-op-defs"],
+            "include/mlir/Dialect/IRDL/IR/IRDL.cpp.inc",
+        ),
+        (
+            ["-gen-typedef-decls"],
+            "include/mlir/Dialect/IRDL/IR/IRDLTypes.h.inc",
+        ),
+        (
+            ["-gen-typedef-defs"],
+            "include/mlir/Dialect/IRDL/IR/IRDLTypes.cpp.inc",
+        ),
+    ],
+    tblgen = ":mlir-tblgen",
+    td_file = "include/mlir/Dialect/IRDL/IR/IRDLOps.td",
+    deps = [":IRDLTdFiles"],
+)
+
+gentbl_cc_library(
+    name = "IRDLOpsIncGen",
+    strip_include_prefix = "include",
+    tbl_outs = [
+        (
+            ["-gen-op-decls"],
+            "include/mlir/Dialect/IRDL/IR/IRDLOps.h.inc",
+        ),
+        (
+            ["-gen-op-defs"],
+            "include/mlir/Dialect/IRDL/IR/IRDLOps.cpp.inc",
+        ),
+    ],
+    tblgen = ":mlir-tblgen",
+    td_file = "include/mlir/Dialect/IRDL/IR/IRDLOps.td",
+    deps = [":IRDLTdFiles"],
+)
+
+gentbl_cc_library(
+    name = "IRDLTypesIncGen",
+    strip_include_prefix = "include",
+    tbl_outs = [
+        (
+            ["-gen-typedef-decls"],
+            "include/mlir/Dialect/IRDL/IR/IRDLTypesGen.h.inc",
+        ),
+        (
+            ["-gen-typedef-defs"],
+            "include/mlir/Dialect/IRDL/IR/IRDLTypesGen.cpp.inc",
+        ),
+    ],
+    tblgen = ":mlir-tblgen",
+    td_file = "include/mlir/Dialect/IRDL/IR/IRDLTypes.td",
+    deps = [":IRDLTdFiles"],
+)
+
+cc_library(
+    name = "IRDLDialect",
+    srcs = ["lib/Dialect/IRDL/IR/IRDL.cpp"],
+    hdrs = [
+        "include/mlir/Dialect/IRDL/IR/IRDL.h",
+        "include/mlir/Dialect/IRDL/IR/IRDLTraits.h",
+    ],
+    includes = ["include"],
+    deps = [
+        ":Dialect",
+        ":InferTypeOpInterface",
+        ":IR",
+        ":IRDLIncGen",
+        ":IRDLOpsIncGen",
+        ":IRDLTypesIncGen",
+        ":Support",
+        "//llvm:Core",
+        "//llvm:Support",
+    ],
+)
+
 ##---------------------------------------------------------------------------##
 # SCF dialect.
 ##---------------------------------------------------------------------------##
@@ -7103,6 +7213,7 @@
         ":GPUTransformOps",
         ":GPUTransforms",
         ":IR",
+        ":IRDLDialect",
         ":IndexDialect",
         ":LLVMDialect",
         ":LLVMIRTransforms",