Split monolithic BUILD file into many build files.
diff --git a/benchmarks/BUILD b/benchmarks/BUILD
new file mode 100644
index 0000000..25858f3
--- /dev/null
+++ b/benchmarks/BUILD
@@ -0,0 +1,51 @@
+load(
+ "//bazel:upb_proto_library.bzl",
+ "upb_proto_library",
+ "upb_proto_reflection_library",
+)
+
+proto_library(
+ name = "benchmark_descriptor_proto",
+ srcs = ["descriptor.proto"],
+)
+
+upb_proto_library(
+ name = "benchmark_descriptor_upb_proto",
+ deps = [":benchmark_descriptor_proto"],
+)
+
+upb_proto_reflection_library(
+ name = "benchmark_descriptor_upb_proto_reflection",
+ deps = [":benchmark_descriptor_proto"],
+)
+
+cc_proto_library(
+ name = "benchmark_descriptor_cc_proto",
+ deps = [":benchmark_descriptor_proto"],
+)
+
+proto_library(
+ name = "benchmark_descriptor_sv_proto",
+ srcs = ["descriptor_sv.proto"],
+)
+
+cc_proto_library(
+ name = "benchmark_descriptor_sv_cc_proto",
+ deps = [":benchmark_descriptor_sv_proto"],
+)
+
+cc_binary(
+ name = "benchmark",
+ testonly = 1,
+ srcs = ["benchmark.cc"],
+ deps = [
+ ":benchmark_descriptor_cc_proto",
+ ":benchmark_descriptor_sv_cc_proto",
+ ":benchmark_descriptor_upb_proto",
+ ":benchmark_descriptor_upb_proto_reflection",
+ "//:descriptor_upb_proto",
+ "//:reflection",
+ "@com_github_google_benchmark//:benchmark_main",
+ "@com_google_protobuf//:protobuf",
+ ],
+)
