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re PR tree-optimization/71824 (ICE when compiling libiberty with Graphite loop optimi...
authorRichard Biener <rguenther@suse.de>
Wed, 1 Feb 2017 08:02:50 +0000 (08:02 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Wed, 1 Feb 2017 08:02:50 +0000 (08:02 +0000)
commit405a740640530a3c93ef68089cb185083e4df890
treee5cc46cf37a94684492138f56035edd905c55361tree
parent315405b66954a298c39503347f1997ca2e0647f4commit | diff
re PR tree-optimization/71824 (ICE when compiling libiberty with Graphite loop optimizations)

2017-02-01  Richard Biener  <rguenther@suse.de>

PR tree-optimization/71824
* graphite-scop-detection.c (scop_detection::build_scop_breadth):
Verify the loops are valid in the merged SESE region.
(scop_detection::can_represent_loop_1): Check analyzing the
evolution of the number of iterations in the region succeeds.

* gcc.dg/graphite/pr71824.c: New testcase.

From-SVN: r245081
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gcc/graphite-scop-detection.c diff | blob | history
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gcc/testsuite/gcc.dg/graphite/pr71824.c [new file with mode: 0644] blob