[PATCH] D80640: [CodeGen][SVE] Calculate correct type legalization for scalable vectors.

Sander de Smalen via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed May 27 09:11:37 PDT 2020


sdesmalen created this revision.
sdesmalen added reviewers: efriedma, david-arm, ctetreau.
Herald added subscribers: psnobl, rkruppe, hiraditya, tschuett.
Herald added a project: LLVM.
sdesmalen added a child revision: D80139: [CodeGen][SVE] CopyToReg: Split scalable EVTs that are not powers of 2.

This patch updates TargetLoweringBase::computeRegisterProperties and
TargetLoweringBase::getTypeConversion to support scalable vectors,
and make the right calls on how to legalise them. These changes are required
to legalise both MVTs and EVTs.


https://reviews.llvm.org/D80640

Files:
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/include/llvm/Support/TypeSize.h
  llvm/lib/CodeGen/TargetLoweringBase.cpp
  llvm/unittests/CodeGen/AArch64SelectionDAGTest.cpp

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