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[flang][OpenMP][DoConcurrent] Map loop bounds/step to the target region. #153

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[flang][OpenMP][DoConcurrent] Map loop bounds/step to the target region. #153

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Commits on Aug 31, 2024

  1. [flang][OpenMP] Implement more robust loop-nest detection logic 

    The previous loop-nest detection algorithm fell short, in some cases, to
detect whether a pair of `do concurrent` loops are perfectly nested or
not. This is a re-implementation using forward and backward slice
extraction algorithms to compare the set of ops required to setup the
inner loop bounds vs. the set of ops nested in the outer loop other
thatn the nested loop itself.
    @ergawy
    ergawy committed Aug 31, 2024
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  2. [flang][OpenMP][DoConcurrent] Map loop bounds/step to the target region.

    @ergawy
    ergawy committed Aug 31, 2024
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