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(parent: 2920061) | patch
[InstCombine] add xor+not folds
authorSanjay Patel <spatel@rotateright.com>
Thu, 6 Sep 2018 16:23:40 +0000 (16:23 +0000)
committerSanjay Patel <spatel@rotateright.com>
Thu, 6 Sep 2018 16:23:40 +0000 (16:23 +0000)
commit93bd15a00593286ebbd904b66a4b1575ccce7762
tree3c7b6d7beaa482d1408ef5d95cb184233e629abctree | snapshot
parent29200611055f49a0d37243caa5f8bba1df9d57a6commit | diff
[InstCombine] add xor+not folds

This fold is needed to avoid a regression when we try
to recommit rL300977.
We can't see the most basic win currently because
demanded bits changes the patterns:
https://rise4fun.com/Alive/plpp

llvm-svn: 341559
llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp diff | blob | history
llvm/test/Transforms/InstCombine/xor.ll diff | blob | history
Domain: System / Toolchain;