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author | Eli Friedman <efriedma@quicinc.com> | 2020-04-21 17:40:41 -0700 |
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committer | Eli Friedman <efriedma@quicinc.com> | 2020-04-22 14:19:26 -0700 |
commit | 1a78b0bd3829381e7be627b459c22083bf4671d4 (patch) | |
tree | 852144562cb6e25f36e812093487a19623171c9a /llvm/lib/CodeGen/MachineDebugify.cpp | |
parent | 3ceea67c091d556ec672e65ec4e9d72997e76807 (diff) | |
download | llvm-1a78b0bd3829381e7be627b459c22083bf4671d4.zip llvm-1a78b0bd3829381e7be627b459c22083bf4671d4.tar.gz llvm-1a78b0bd3829381e7be627b459c22083bf4671d4.tar.bz2 |
[MachineOutliner] Teach outliner to set live-ins
Preserving liveness can be useful even late in the pipeline, if we're
doing substantial optimization work afterwards. (See, for example,
D76065.) Teach MachineOutliner how to correctly set live-ins on the
basic block in outlined functions.
Differential Revision: https://reviews.llvm.org/D78605
Diffstat (limited to 'llvm/lib/CodeGen/MachineDebugify.cpp')
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