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| author | Craig Topper <craig.topper@sifive.com> | 2022-04-19 14:38:23 -0700 |
|---|---|---|
| committer | Craig Topper <craig.topper@sifive.com> | 2022-04-19 15:03:43 -0700 |
| commit | 6db0afb44e13cf5f3d3261387079b32358966a61 (patch) | |
| tree | 736fc7bf4c5e0cf172df7ac0bb570ab912af33c2 /llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | |
| parent | e3cf1535220128ed9e7c3ba77cc074318461302d (diff) | |
| download | llvm-6db0afb44e13cf5f3d3261387079b32358966a61.zip llvm-6db0afb44e13cf5f3d3261387079b32358966a61.tar.gz llvm-6db0afb44e13cf5f3d3261387079b32358966a61.tar.bz2 | |
[RISCV] Fold (xor (sllw 1, x), -1) -> (rolw ~1, x).
There's an existing generic combine that does this for legal types.
This patch adds a RISCV specific combine for W instructions.
Reviewed By: luismarques
Differential Revision: https://reviews.llvm.org/D123983
Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
0 files changed, 0 insertions, 0 deletions