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(parent: 0f70a17) | patch
[ValueTracking] Handle non-zero ashr/lshr recurrences
authorPhilip Reames <listmail@philipreames.com>
Wed, 31 Mar 2021 23:47:32 +0000 (16:47 -0700)
committerPhilip Reames <listmail@philipreames.com>
Wed, 31 Mar 2021 23:48:32 +0000 (16:48 -0700)
commit4af4828a6ef5778609c6738f674a35bc28eaf829
tree5a495a339015b7025511024d31eacc961faa4d31tree | snapshot
parent0f70a17d0ad971eaa4368be76f3439471b2ab13ecommit | diff
[ValueTracking] Handle non-zero ashr/lshr recurrences

If we know we don't shift out bits (e.g. exact), all we need to know is that input is non-zero.
llvm/lib/Analysis/ValueTracking.cpp diff | blob | history
llvm/test/Analysis/ValueTracking/monotonic-phi.ll diff | blob | history
Domain: System / Toolchain;