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| author | Richard Biener <rguenther@suse.de> | 2019-06-21 11:10:39 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-06-21 11:10:39 +0000 |
| commit | b614fca25fac28542b8c6b2df3862688b96e0581 (patch) | |
| tree | 9ec3e5ea0e446cb2f85234f12ac00415409b28be /gcc/tree-vect-loop-manip.c | |
| parent | 1612b1febdd5b6b6ad17c96c980a218bfd40c025 (diff) | |
| download | gcc-b614fca25fac28542b8c6b2df3862688b96e0581.zip gcc-b614fca25fac28542b8c6b2df3862688b96e0581.tar.gz gcc-b614fca25fac28542b8c6b2df3862688b96e0581.tar.bz2 | |
re PR tree-optimization/90913 (ICE in maybe_gen_insn, at optabs.c:7341 since r272239)
2019-06-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/90913
* tree-vect-loop-manip.c (vect_loop_versioning): Do not re-use
the scalar variant of if-conversion versioning.
* gfortran.dg/vect/pr90913.f90: New testcase.
From-SVN: r272545
Diffstat (limited to 'gcc/tree-vect-loop-manip.c')
| -rw-r--r-- | gcc/tree-vect-loop-manip.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c index 9cf1d48..c5cabc8 100644 --- a/gcc/tree-vect-loop-manip.c +++ b/gcc/tree-vect-loop-manip.c @@ -3095,9 +3095,12 @@ vect_loop_versioning (loop_vec_info loop_vinfo, } /* Apply versioning. If there is already a scalar version created by - if-conversion re-use that. */ + if-conversion re-use that. Note we cannot re-use the copy of + an if-converted outer-loop when vectorizing the inner loop only. */ gcond *cond; - if (gimple *call = vect_loop_vectorized_call (loop_to_version, &cond)) + gimple *call; + if ((!loop_to_version->inner || loop == loop_to_version) + && (call = vect_loop_vectorized_call (loop_to_version, &cond))) { gcc_assert (scalar_loop); condition_bb = gimple_bb (cond); |