Abstract: A method, an apparatus, and a computer program product are disclosed for detecting memory-related errors in a computer program during compiling of the computer program. In the method, static analysis is performed upon a computer program. One or more conditions in the computer program are computed based on the static analysis. Each condition is a test for checking a memory access in the computer program and can be either a pre- or post-condition. The validity of each condition in the computer program is then evaluated. If the evaluation is determinate during compiling, the presence or absence of memory-related errors in the computer program is reported. A condition is determinate if the condition is valid or invalid during compiling. Otherwise, computer code based on the condition is generated for incorporation in the computer program for run-time detection of memory-related errors.

Abstract: A code optimizing procedure involves isolating code from a loop construct, executed a predetermined number of times, and optimizing the code for execution conditions which cause the loop to be executed that number of times. This code is compared against corresponding code which has not be optimized, and it is determined whether the inclusion of this code is favorable. If the benefits of including this code are judged to be significant, the code is modified by inclusion of this optimized code, which is conditionally executed when the loop is encountered.