[XLA] Allow logical buffer coloring to use liveness information.

PiperOrigin-RevId: 162275084

1 files changed, 0 insertions, 12 deletions

diff --git a/tensorflow/compiler/xla/service/tuple_points_to_analysis.h b/tensorflow/compiler/xla/service/tuple_points_to_analysis.h
index be821d5154..099713d671 100644
--- a/tensorflow/compiler/xla/service/tuple_points_to_analysis.h
+++ b/tensorflow/compiler/xla/service/tuple_points_to_analysis.h
@@ -145,9 +145,6 @@ std::ostream& operator<<(std::ostream& out, const BufferAlias& buffer_alias);
 // the potential sources of each buffer in each instruction's output.
 class TuplePointsToAnalysis : public DfsHloVisitorWithDefault {
  public:
-  using Colorer =
-      std::function<Status(TuplePointsToAnalysis* points_to_analysis)>;
-
   // Runs points-to analysis on 'module'.
   static StatusOr<std::unique_ptr<TuplePointsToAnalysis>> Run(
       const HloModule* module);
@@ -213,15 +210,6 @@ class TuplePointsToAnalysis : public DfsHloVisitorWithDefault {
 
   string ToString() const;
 
-  static Colorer DefaultColorer() {
-    return [](TuplePointsToAnalysis* points_to_analysis) {
-      for (auto& buffer : points_to_analysis->logical_buffers()) {
-        buffer->set_color(LogicalBuffer::Color(0));
-      }
-      return Status::OK();
-    };
-  }
-
  private:
   explicit TuplePointsToAnalysis(const HloModule* module) : module_(module) {}