[XLA] Rename all (Mutable)ArraySlice to absl::Span.

PiperOrigin-RevId: 210998142

1 files changed, 5 insertions, 6 deletions

diff --git a/tensorflow/compiler/xla/service/hlo_reachability.h b/tensorflow/compiler/xla/service/hlo_reachability.h
index 48215d32a8..2c8ebc8e6c 100644
--- a/tensorflow/compiler/xla/service/hlo_reachability.h
+++ b/tensorflow/compiler/xla/service/hlo_reachability.h
@@ -42,7 +42,7 @@ class HloReachabilityMap {
   // Sets up a graph with no edges and where the nodes correspond to the given
   // instructions.
   explicit HloReachabilityMap(
-      tensorflow::gtl::ArraySlice<const HloInstruction*> instructions);
+      absl::Span<const HloInstruction* const> instructions);
 
   // Set the reachability set of 'instruction' to the union of the reachability
   // sets of 'inputs'. Upon return, IsReachable(x, instruction) where
@@ -54,13 +54,12 @@ class HloReachabilityMap {
   // vector in the internal graph of this HloReachabilityMap for the given
   // instruction and does not transitively update any other part of the
   // adjacency matrix.
-  bool SetReachabilityToUnion(
-      tensorflow::gtl::ArraySlice<const HloInstruction*> inputs,
-      const HloInstruction* instruction);
+  bool SetReachabilityToUnion(absl::Span<const HloInstruction* const> inputs,
+                              const HloInstruction* instruction);
 
   // As above, but faster because it does not check if the reachability changed.
   void FastSetReachabilityToUnion(
-      tensorflow::gtl::ArraySlice<const HloInstruction*> inputs,
+      absl::Span<const HloInstruction* const> inputs,
       const HloInstruction* instruction);
 
   // Sets entry so that IsReachable(a, b) will return true
@@ -141,7 +140,7 @@ class HloReachabilityMap {
 
   // Helper for SetReachabilityToUnion/FastSetReachabilityToUnion.
   void SetReachabilityToUnionHelper(
-      tensorflow::gtl::ArraySlice<const HloInstruction*> inputs,
+      absl::Span<const HloInstruction* const> inputs,
       const HloInstruction* instruction, BitVector* bit_vector);
 
   // Return the index of the given instruction. The value is used to index into