tree-ssa-sccvn.c (vn_reference_lookup_3): Improve memset handling.
authorRichard Biener <rguenther@suse.de>
Thu, 17 May 2018 12:06:44 +0000 (12:06 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Thu, 17 May 2018 12:06:44 +0000 (12:06 +0000)
commit3f90a68f0fda2f571ba2a3463096b82dbea51217
tree8a4f99dc14271f8125acec10e5b00b17aafa6262
parentbb4e47476537f6431fbbf29cc804252b1504bbc2
tree-ssa-sccvn.c (vn_reference_lookup_3): Improve memset handling.

2018-05-17  Richard Biener  <rguenther@suse.de>

* tree-ssa-sccvn.c (vn_reference_lookup_3): Improve memset handling.

* gcc.dg/tree-ssa/ssa-fre-63.c: New testcase.

From-SVN: r260318
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-63.c [new file with mode: 0644]
gcc/tree-ssa-sccvn.c