[PATCH] D73216: [MIPS GlobalISel] Select population count (popcount)

[Petar Avramovic via Phabricator via llvm-commits]

Petar.Avramovic created this revision.
Petar.Avramovic added reviewers: atanasyan, petarj.
Herald added subscribers: llvm-commits, volkan, jrtc27, hiraditya, arichardson, rovka, sdardis.
Herald added a project: LLVM.

G_CTPOP is generated from llvm.ctpop.<type> intrinsics, clang generates
these intrinsics from __builtin_popcount and __builtin_popcountll.
Add lower and narrow scalar for G_CTPOP.
Lower G_CTPOP for MIPS32.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D73216

Files:
  llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
  llvm/test/CodeGen/Mips/GlobalISel/legalizer/ctpop.mir
  llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/ctpop.ll

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