tree 6fa38abc7a75177a2be726d4ae8c51daa9f90e7e
parent 4109893350feeea69214d938864e200ca5eec7b5
author anoopkg6 <anoop.kumar6@ibm.com> 1783348913 -0500
committer GitHub <noreply@github.com> 1783348913 +0200
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[flang][HLFIR] Relax InlineElementals to support more than two users (#186916)

This pr optimizes the lowering of MINLOC and MAXLOC when the MASK
argument is a simple equality comparison (e.g., MASK = A == X).

This patch introduces isEqualityMask to identify these patterns and
inline the comparison directly into the reduction loop.

This allows the SimplifyHLFIRIntrinsicscation pass to extract the
invariant
search target and bypasses the creation of a temporary logical mask
array
by inlining the equality comparison directly into the reduction loop.
optimization removes the 'hlfir.apply' to the mask's hlfir.elemental,
which
gets eliminated in bufferize-hlfir pass.
Simplifies the reduction state by removing the min/max value tracker,
as the target value is already known.
Implements a 'first-hit' locking mechanism.

---------

Co-authored-by: anoop.kumar6@ibm.com <anoopk@b35lp63.lnxne.boe>