forked from OSchip/llvm-project
36 lines
852 B
C
36 lines
852 B
C
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/*
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* Copyright 2020 Cerebras Systems
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*
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* Use of this software is governed by the MIT license
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*
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* Written by Sven Verdoolaege,
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* Cerebras Systems, 175 S San Antonio Rd, Los Altos, CA, USA
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*/
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#include <isl_pw_macro.h>
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/* isl_pw_*_every_piece callback that checks whether "set" and "el"
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* are free of local variables.
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*/
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static isl_bool FN(PW,piece_no_local)(__isl_keep isl_set *set,
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__isl_keep EL *el, void *user)
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{
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isl_bool involves;
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involves = isl_set_involves_locals(set);
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if (involves >= 0 && !involves)
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involves = FN(EL,involves_locals)(el);
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return isl_bool_not(involves);
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}
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/* Does "pw" involve any local variables, i.e., integer divisions?
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*/
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isl_bool FN(PW,involves_locals)(__isl_keep PW *pw)
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{
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isl_bool no_locals;
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no_locals = FN(PW,every_piece)(pw, &FN(PW,piece_no_local), NULL);
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return isl_bool_not(no_locals);
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}
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