From 92c8a77ba480bf4aeddea412cc1d2988f6ad81cd Mon Sep 17 00:00:00 2001
From: HyoukJoong Lee <hyouklee@google.com>
Date: Fri, 5 Oct 2018 07:46:22 -0700
Subject: Use absl::Span for HloModuleGroupMetadata

PiperOrigin-RevId: 215905026
---
 tensorflow/compiler/xla/service/hlo_module_group_metadata.cc | 2 +-
 tensorflow/compiler/xla/service/hlo_module_group_metadata.h  | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

(limited to 'tensorflow/compiler')

diff --git a/tensorflow/compiler/xla/service/hlo_module_group_metadata.cc b/tensorflow/compiler/xla/service/hlo_module_group_metadata.cc
index 83352ef91b..b4aac4c807 100644
--- a/tensorflow/compiler/xla/service/hlo_module_group_metadata.cc
+++ b/tensorflow/compiler/xla/service/hlo_module_group_metadata.cc
@@ -59,7 +59,7 @@ string HloModuleGroupMetadata::TrackedInstruction::ToString() const {
 }
 
 /* static */ StatusOr<std::unique_ptr<HloModuleGroupMetadata>>
-HloModuleGroupMetadata::Build(const std::vector<HloModule*>& modules) {
+HloModuleGroupMetadata::Build(absl::Span<HloModule* const> modules) {
   auto metadata = absl::make_unique<HloModuleGroupMetadata>(modules);
   TF_RETURN_IF_ERROR(metadata->Build());
   return std::move(metadata);
diff --git a/tensorflow/compiler/xla/service/hlo_module_group_metadata.h b/tensorflow/compiler/xla/service/hlo_module_group_metadata.h
index 0311b73207..928df0f5a7 100644
--- a/tensorflow/compiler/xla/service/hlo_module_group_metadata.h
+++ b/tensorflow/compiler/xla/service/hlo_module_group_metadata.h
@@ -102,14 +102,14 @@ class HloModuleGroupMetadata {
     HloInstruction* recv_done = nullptr;
   };
 
-  explicit HloModuleGroupMetadata(const std::vector<HloModule*>& modules)
-      : modules_(modules) {}
+  explicit HloModuleGroupMetadata(absl::Span<HloModule* const> modules)
+      : modules_(modules.begin(), modules.end()) {}
 
   ~HloModuleGroupMetadata() = default;
 
   // Build and return the metadata for the given modules.
   static StatusOr<std::unique_ptr<HloModuleGroupMetadata>> Build(
-      const std::vector<HloModule*>& modules);
+      absl::Span<HloModule* const> modules);
 
   // Returns true if the instruction is one of the 4 channel instructions (Send,
   // Recv, SendDone, RecvDone).
@@ -274,7 +274,7 @@ class HloModuleGroupMetadata {
   int64 max_channel_id_ = -1;
 
   // The modules that this metadata was built from.
-  const std::vector<HloModule*>& modules_;
+  const std::vector<HloModule*> modules_;
 
   absl::flat_hash_map<HloModule*, std::unique_ptr<TuplePointsToAnalysis>>
       points_to_analyses_;
-- 
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