diff --git a/compiler/optimizing/code_generator_utils.h b/compiler/optimizing/code_generator_utils.h
index a6b41c0..711f929 100644
--- a/compiler/optimizing/code_generator_utils.h
+++ b/compiler/optimizing/code_generator_utils.h
@@ -40,6 +40,10 @@
       : std::abs(value);
 }
 
+// Return true if the specified instruction produces only non-negative results or the min value of
+// the integral type if the instruction has the integral type.
+bool HasNonNegativeResultOrMinInt(HInstruction* instruction);
+
 }  // namespace art
 
 #endif  // ART_COMPILER_OPTIMIZING_CODE_GENERATOR_UTILS_H_