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| author | Richard Biener <rguenther@suse.de> | 2021-04-06 13:20:44 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-04-06 14:20:28 +0200 |
| commit | e5c170e080399fb3d24a38bbfcd66bd4675abe53 (patch) | |
| tree | 877e3b0d3f265e1dd39d76e9804221341c64fc35 /gcc/gcov-io.h | |
| parent | 671f9f5c0f04d859265f1f2da117baf5a75511ac (diff) | |
| download | gcc-e5c170e080399fb3d24a38bbfcd66bd4675abe53.zip gcc-e5c170e080399fb3d24a38bbfcd66bd4675abe53.tar.gz gcc-e5c170e080399fb3d24a38bbfcd66bd4675abe53.tar.bz2 | |
tree-optimization/99880 - avoid vectorizing irrelevant PHI backedge defs
This adds a relevancy check before trying to set the vector def of
a backedge in an unvectorized PHI.
2021-04-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/99880
* tree-vect-loop.c (maybe_set_vectorized_backedge_value): Only
set vectorized defs of relevant PHIs.
* gcc.dg/torture/pr99880.c: New testcase.
Diffstat (limited to 'gcc/gcov-io.h')
0 files changed, 0 insertions, 0 deletions