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| author | Craig Topper <craig.topper@gmail.com> | 2017-04-12 19:08:03 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-04-12 19:08:03 +0000 |
| commit | cf3641fd5704076e018cdc39e0eb53e4dc515d6c (patch) | |
| tree | 601fd3b1cab61bef5430d33cd2a3464544ea465d /clang/lib/Frontend/CompilerInvocation.cpp | |
| parent | 6e410189421190343a742c8e7513ef10f53fc0f0 (diff) | |
| download | llvm-cf3641fd5704076e018cdc39e0eb53e4dc515d6c.zip llvm-cf3641fd5704076e018cdc39e0eb53e4dc515d6c.tar.gz llvm-cf3641fd5704076e018cdc39e0eb53e4dc515d6c.tar.bz2 | |
[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 'clang/lib/Frontend/CompilerInvocation.cpp')
0 files changed, 0 insertions, 0 deletions