Quote: after OSR, need to remove global, common subexpressions and replace linear function tests

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OSR can introduce equal induction variables. Thus, the … a global technique that can handle values flowing … al. will discover identical values [POPL 1988; Click and Cooper, ACM Trans Programming Languages and Systems, 1995], as will … [Cooper and Simson, Rice, TR95636, 1995; Briggs et al, Software Practice & Experience, 1997] … [p. 621] After strength reduction, the transformed code often … test replacement may be able to convert them … [p. 622] The compiler should look for comparisons between an induction variable …   Google-1   Google-2

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Topic: code optimization by code rewrite (30 items)