6a64964212
In PR101296 Richard noticed that modref is giving up on analysis in milc by hitting --param=modref-max-accesses limit. While cleaning up original modref patch I removed code that tried to do smart things while merging accesses because it had bugs and wanted to reimplement it later which I later forgot. This patch adds logic that avoids adding access and its subaccess to the list which is just waste of memory and compile time. Incrementally I will add logic merging the ranges. gcc/ChangeLog: 2021-08-23 Jan Hubicka <hubicka@ucw.cz> * ipa-modref-tree.h (modref_access_node::range_info_useful_p): Improve range compare. (modref_access_node::contains): New member function. (modref_access_node::search): Remove. (modref_access_node::insert): Be smarter about subaccesses. gcc/testsuite/ChangeLog: 2021-08-23 Jan Hubicka <hubicka@ucw.cz> * gcc.dg/tree-ssa/modref-7.c: New test. |
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