[XLA] Handle kDomain in HloCostAnalysis.

PiperOrigin-RevId: 211891325

1 files changed, 8 insertions, 0 deletions

diff --git a/tensorflow/compiler/xla/service/hlo_cost_analysis.cc b/tensorflow/compiler/xla/service/hlo_cost_analysis.cc
index 939b5114c3..8b4eaad82e 100644
--- a/tensorflow/compiler/xla/service/hlo_cost_analysis.cc
+++ b/tensorflow/compiler/xla/service/hlo_cost_analysis.cc
@@ -227,6 +227,14 @@ Status HloCostAnalysis::HandleCopy(const HloInstruction*) {
   return Status::OK();
 }
 
+Status HloCostAnalysis::HandleDomain(const HloInstruction* domain) {
+  // Domain does not have any computation or data transfer.
+  current_should_compute_bottleneck_time_ = false;
+  current_properties_[kBytesAccessedKey] = 0;
+  current_properties_[kOptimalSecondsKey] = 0;
+  return Status::OK();
+}
+
 Status HloCostAnalysis::HandleDot(const HloInstruction* dot) {
   const Shape& lhs_shape = dot->operand(0)->shape();
   const Shape& rhs_shape = dot->operand(1)->shape();