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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-01-08 18:32:24 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-01-08 18:32:24 +0000 |
| commit | da37e15345ad1356b82395c2eaf912ee96f0a6e8 (patch) | |
| tree | 8e6a963a817968d75e0d5d910d161150cc0e65a8 /llvm/lib/CodeGen/MachineCopyPropagation.cpp | |
| parent | 540651cf5952f0825ef480611d45528e9791b749 (diff) | |
| download | bcm5719-llvm-da37e15345ad1356b82395c2eaf912ee96f0a6e8.tar.gz bcm5719-llvm-da37e15345ad1356b82395c2eaf912ee96f0a6e8.zip | |
InstCombine: If we have a bit test and a sign test anded/ored together, merge the sign bit into the bit test.
This is common in bit field code, e.g. checking if the first or the last bit of a bit field is set.
llvm-svn: 147749
Diffstat (limited to 'llvm/lib/CodeGen/MachineCopyPropagation.cpp')
0 files changed, 0 insertions, 0 deletions
