message: [XLA] Delete dead function.
diff: @@ -28,19 +28,6 @@ limitations under the License.
  namespace xla {
  namespace gpu {
  -namespace {
  -
  -bool IsIEEEFloatingPointScalarConstant(const HloInstruction* constant) {
  - if (constant->opcode() != HloOpcode::kConstant ||
  - !ShapeUtil::IsScalar(constant->shape())) {
  - return false;
  - }
  - auto type = constant->shape().element_type();
  - return type == F16 || type == F32 || type == F64;
  -}
  -
  -} // namespace
  -
  /*static*/ bool GpuInstructionFusion::IsExpensive(
  const HloInstruction& instruction) {
  // We say that floating-point division is cheap on the GPU.
  