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authorRichard Biener <rguenther@suse.de>2020-05-06 10:23:15 +0200
committerRichard Biener <rguenther@suse.de>2020-05-06 13:36:46 +0200
commit6fc00b41e764219e2c88d8892d7c701c0d292a17 (patch)
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parent371905d12259c180efb9b1f1b5716e969feb60f9 (diff)
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middle-end/94964 - avoid EH loop entry with CP_SIMPLE_PREHEADERS
Loop optimizers expect to be able to insert on the preheader edge w/o splitting it thus avoid ending up with a preheader that enters the loop via an EH edge (or an abnormal edge). 2020-05-06 Richard Biener <rguenther@suse.de> PR middle-end/94964 * cfgloopmanip.c (create_preheader): Require non-complex preheader edge for CP_SIMPLE_PREHEADERS.
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