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| author | David Zarzycki <dave@znu.io> | 2019-11-20 15:52:24 +0200 |
|---|---|---|
| committer | David Zarzycki <dave@znu.io> | 2019-11-20 16:25:42 +0200 |
| commit | 257acbf6aee983227a3976d10d0086f3600f2bee (patch) | |
| tree | 4b932c24d1b5c04aabc78dc1ad4904667ff6260b /llvm/lib/CodeGen/MachineModuleInfo.cpp | |
| parent | f8c92b8ee242bbdc209204f09aefdc207aac42ee (diff) | |
| download | llvm-257acbf6aee983227a3976d10d0086f3600f2bee.zip llvm-257acbf6aee983227a3976d10d0086f3600f2bee.tar.gz llvm-257acbf6aee983227a3976d10d0086f3600f2bee.tar.bz2 | |
[SelectionDAG] Combine U{ADD,SUB}O diamonds into {ADD,SUB}CARRY
Summary:
Convert (uaddo (uaddo x, y), carryIn) into addcarry x, y, carryIn if-and-only-if the carry flags of the first two uaddo are merged via OR or XOR.
Work remaining: match ADD, etc.
Reviewers: craig.topper, RKSimon, spatel, niravd, jonpa, uweigand, deadalnix, nikic, lebedev.ri, dmgreen, chfast
Reviewed By: lebedev.ri
Subscribers: chfast, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D70079
Diffstat (limited to 'llvm/lib/CodeGen/MachineModuleInfo.cpp')
0 files changed, 0 insertions, 0 deletions