Hi, this patch fixes a pasto in modref_summary::useful_p that made ipa-modref to give up on tracking stores when all load info got lost.
Bootstrapped/regtested x86_64-linux, comitted. gcc/ChangeLog: 2020-09-27 Jan Hubicka <hubi...@ucw.cz> * ipa-modref.c (modref_summary::useful_p): Fix testing of stores. diff --git a/gcc/ipa-modref.c b/gcc/ipa-modref.c index 728c6c1523d..6225552e41a 100644 --- a/gcc/ipa-modref.c +++ b/gcc/ipa-modref.c @@ -135,7 +135,7 @@ modref_summary::useful_p (int ecf_flags) return true; if (ecf_flags & ECF_PURE) return false; - return stores && !loads->every_base; + return stores && !stores->every_base; } /* Dump A to OUT. */