iree/compiler/Dialect/Util/Conversion/test/hint_ops.mlir

// RUN: iree-opt -iree-convert-to-hal %s --split-input-file | IreeFileCheck %s

// CHECK-LABEL: @preserve_compiler_hints
func @preserve_compiler_hints() {
  // CHECK: util.do_not_optimize()
  util.do_not_optimize()

  // CHECK: %[[C:.+]] = arith.constant 2
  %c = arith.constant 2 : i32
  // CHECK: util.do_not_optimize(%[[C]])
  util.do_not_optimize(%c) : i32
  return
}