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dc176c3ccd
This code:
/* Make sure we don't accidentally use the old condition. */
cond_expr = NULL_TREE;
was misplaced, since it triggered even when we needed to force the
original unmodified cond_expr into a mask temporary and then invert it.
2019-12-31 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* tree-vect-stmts.c (vectorizable_condition): Only nullify cond_expr
if we've created a new condition. Don't nullify it if we've decided
to keep it and then invert the result.
gcc/testsuite/
* gcc.dg/vect/vect-cond-reduc-6.c: New test.
From-SVN: r279804
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