[XLA] Use absl string types and functions instead of the TF versions.

Unfortunately this has to be one big patch, because e.g. absl::StrCat
doesn't accept a TF StringPiece, but as soon as we switch to
absl::string_view, we have to switch away from all of the TF functions.
PiperOrigin-RevId: 209957896

1 files changed, 6 insertions, 6 deletions

diff --git a/tensorflow/compiler/xla/service/hlo_computation.cc b/tensorflow/compiler/xla/service/hlo_computation.cc
index 4c036ea1bf..ae334b2713 100644
--- a/tensorflow/compiler/xla/service/hlo_computation.cc
+++ b/tensorflow/compiler/xla/service/hlo_computation.cc
@@ -25,6 +25,8 @@ limitations under the License.
 
 #include "absl/algorithm/container.h"
 #include "absl/memory/memory.h"
+#include "absl/strings/numbers.h"
+#include "absl/strings/str_cat.h"
 #include "tensorflow/compiler/xla/layout_util.h"
 #include "tensorflow/compiler/xla/map_util.h"
 #include "tensorflow/compiler/xla/service/dfs_hlo_visitor_with_default.h"
@@ -38,12 +40,11 @@ limitations under the License.
 #include "tensorflow/core/lib/core/status.h"
 #include "tensorflow/core/lib/gtl/flatset.h"
 #include "tensorflow/core/lib/strings/str_util.h"
-#include "tensorflow/core/lib/strings/strcat.h"
 #include "tensorflow/core/platform/logging.h"
 
 namespace xla {
 
-using ::tensorflow::strings::StrCat;
+using ::absl::StrCat;
 
 std::unique_ptr<HloComputation> HloComputation::Builder::Build(
     HloInstruction* root_instruction) {
@@ -136,7 +137,7 @@ string RenameFusionParameter(const string& original_name, int64 new_param_no) {
   }
   string after_param = original_name.substr(index + param_underscore.size());
   int64 numeric_suffix;
-  if (tensorflow::strings::safe_strto64(after_param, &numeric_suffix)) {
+  if (absl::SimpleAtoi(after_param, &numeric_suffix)) {
     return StrCat(original_name.substr(0, index + param_underscore.size()),
                   new_param_no);
   }
@@ -808,7 +809,7 @@ std::vector<HloInstruction*> HloComputation::CollectUnreachableRoots() const {
           << tensorflow::str_util::Join(
                  unreachable_roots, "\n\t",
                  [](string* out, const HloInstruction* hlo) {
-                   tensorflow::strings::StrAppend(out, hlo->ToString());
+                   absl::StrAppend(out, hlo->ToString());
                  });
   return unreachable_roots;
 }
@@ -980,8 +981,7 @@ void HloComputation::UniquifyName(NameUniquer* name_uniquer) {
   name_ = name_uniquer->GetUniqueName(name_);
 }
 
-HloInstruction* HloComputation::GetInstructionWithName(
-    tensorflow::StringPiece name) {
+HloInstruction* HloComputation::GetInstructionWithName(absl::string_view name) {
   auto instructions_in_computation = instructions();
   auto it = absl::c_find_if(
       instructions_in_computation,