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author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2024-03-06 17:23:15 +0000 |
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committer | GitHub <noreply@github.com> | 2024-03-06 17:23:15 +0000 |
commit | 0bd9255f8ad9f321dd606365e2bc28447a9976cb (patch) | |
tree | 60454cbc814ca2a10cb3d6fd20ecc715ab510f8e /llvm/lib/CodeGen/MachineScheduler.cpp | |
parent | c371ee9da9c4fa4b682baf47ce5c2a6b6f4c74bc (diff) | |
download | llvm-0bd9255f8ad9f321dd606365e2bc28447a9976cb.zip llvm-0bd9255f8ad9f321dd606365e2bc28447a9976cb.tar.gz llvm-0bd9255f8ad9f321dd606365e2bc28447a9976cb.tar.bz2 |
[X86] Improve KnownBits for X86ISD::PSADBW nodes (#83830)
Don't just return the known zero upperbits, compute the absdiff Knownbits and perform the horizontal sum.
Add implementations that handle both the X86ISD::PSADBW nodes and the INTRINSIC_WO_CHAIN intrinsics (pre-legalization).
Diffstat (limited to 'llvm/lib/CodeGen/MachineScheduler.cpp')
0 files changed, 0 insertions, 0 deletions