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re PR tree-optimization/70701 (incomplete value numbering when memcpy-ing from array)
authorRichard Biener <rguenther@suse.de>
Mon, 18 Apr 2016 11:39:04 +0000 (11:39 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Mon, 18 Apr 2016 11:39:04 +0000 (11:39 +0000)
commitedd048e29a3b5bce813f26b5b66f40fbe2f50d54
treec5a0950537128282b7fea62dcc5afe5df81856f4tree | snapshot
parent65833da69d1cb0b57572c2736781d335fced397ccommit | diff
re PR tree-optimization/70701 (incomplete value numbering when memcpy-ing from array)

2016-04-18  Richard Biener  <rguenther@suse.de>

PR tree-optimization/70701
* tree-ssa-sccvn.c (vn_reference_lookup_3): Resolve fully constant
references after translating through a memcpy.

* gcc.dg/tree-ssa/ssa-fre-53.c: New testcase.

From-SVN: r235131
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-53.c [new file with mode: 0644] blob
gcc/tree-ssa-sccvn.c diff | blob | history
Domain: System / Toolchain;