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[BasicAA] Enable -basic-aa-recphi by default
authorDavid Green <david.green@arm.com>
Thu, 9 Jul 2020 12:06:51 +0000 (13:06 +0100)
committerDavid Green <david.green@arm.com>
Thu, 9 Jul 2020 13:54:53 +0000 (14:54 +0100)
commitaf839a96187e3538d63ad57571e4bdf01e2b15c5
tree4b3a9f1f4b3bbe7917ab0fedbc4fd192ec202757tree | snapshot
parent6f5d9136b27eefc981333d8c23ea9c0a38033d7bcommit | diff
[BasicAA] Enable -basic-aa-recphi by default

This option was added a while back, to help improve AA around pointer
phi loops. It looks for phi(gep(phi, const), x) loops, checking if x can
then prove more precise aliasing info.

Differential Revision: https://reviews.llvm.org/D82998
llvm/lib/Analysis/BasicAliasAnalysis.cpp diff | blob | history
llvm/test/Analysis/BasicAA/phi-loop.ll diff | blob | history
llvm/test/Analysis/BasicAA/recphi.ll diff | blob | history
Domain: System / Toolchain;