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gcc.gnu.org Git - gcc.git/commit
tree-optimization/113863 - elide degenerate virtual PHIs when moving ee stores
This makes sure to elide degenerate virtual PHIs when moving stores
across early exits.
PR tree-optimization/113863
* tree-vect-data-refs.cc (vect_analyze_early_break_dependences):
Record crossed virtual PHIs.
* tree-vect-loop.cc (move_early_exit_stmts): Elide crossed
virtual PHIs.
* gcc.dg/vect/pr113863.c: New testcase.
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