In one implementation of the invention, a computer implemented method used in compiling a program includes identifying a covering load, which may be one of a set of covering loads, and a redundant load. The covering load and the redundant load have a first and second load type, respectively. The first and the second load type each may be one of a group of load types including a regular load and at least one speculative-type load. In one implementation, the group of load types includes at least one check-type load. One implementation of the invention is in a machine readable medium.
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