Fix priting of input/output must/may aliasing.

PiperOrigin-RevId: 326092933
Change-Id: Ic17b4b6922846c2e0acf6e7d64cd7fe4627b7a3a
diff --git a/tensorflow/compiler/mlir/tensorflow/utils/compile_mlir_util_test.cc b/tensorflow/compiler/mlir/tensorflow/utils/compile_mlir_util_test.cc
index 8a07aab..80e2c11 100644
--- a/tensorflow/compiler/mlir/tensorflow/utils/compile_mlir_util_test.cc
+++ b/tensorflow/compiler/mlir/tensorflow/utils/compile_mlir_util_test.cc
@@ -524,7 +524,7 @@
   ASSERT_TRUE(status_or_hlo_module.ok());
 
   constexpr char expected_hlo_module_string[] =
-      R"(HloModule main.4, input_output_alias={ {0}: (1, {}, may_alias) }
+      R"(HloModule main.4, input_output_alias={ {0}: (1, {}, may-alias) }
 
 ENTRY %main.4 (Arg_0.1: f32[2], Arg_1.2: f32[2]) -> (f32[2]) {
   %Arg_1.2 = f32[2]{0} parameter(1)
diff --git a/tensorflow/compiler/xla/service/hlo_input_output_alias_config.h b/tensorflow/compiler/xla/service/hlo_input_output_alias_config.h
index 6b84bdb..d563046 100644
--- a/tensorflow/compiler/xla/service/hlo_input_output_alias_config.h
+++ b/tensorflow/compiler/xla/service/hlo_input_output_alias_config.h
@@ -57,7 +57,7 @@
     std::string ToString() {
       return absl::StrFormat("(%lld, %s, %s)", parameter_number,
                              parameter_index.ToString(),
-                             kind == kMustAlias ? "must_alias" : "may_alias");
+                             kind == kMustAlias ? "must-alias" : "may-alias");
     }
   };