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author | Craig Topper <craig.topper@gmail.com> | 2017-04-12 19:08:03 +0000 |
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committer | Craig Topper <craig.topper@gmail.com> | 2017-04-12 19:08:03 +0000 |
commit | cf3641fd5704076e018cdc39e0eb53e4dc515d6c (patch) | |
tree | 601fd3b1cab61bef5430d33cd2a3464544ea465d /llvm/lib/Bitcode/Reader/BitcodeReader.cpp | |
parent | 6e410189421190343a742c8e7513ef10f53fc0f0 (diff) | |
download | bcm5719-llvm-cf3641fd5704076e018cdc39e0eb53e4dc515d6c.tar.gz bcm5719-llvm-cf3641fd5704076e018cdc39e0eb53e4dc515d6c.zip |
[InstCombine] Remove unreachable code for turning an And where all demanded bits on both sides are known to be zero into a constant 0.
We already handled a superset check that included the known ones too and folded to a constant that may include ones. But it can also handle the case of no ones.
llvm-svn: 300093
Diffstat (limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp')
0 files changed, 0 insertions, 0 deletions