[PATCH] D93300: [PowerPC] Exploit paddi instruction on Power 10 for constant materialization

[Stefan Pintilie via Phabricator via llvm-commits]

stefanp created this revision.
stefanp added reviewers: nemanjai, lei.
Herald added subscribers: shchenz, kbarton, hiraditya.
stefanp requested review of this revision.
Herald added a project: LLVM.

Starting with Power 10 the instruction paddi is available to use.
The instruction allows for immediates that are 34 bits.

This patch adds exploitation of the paddi instruction to allow us
to materialize constants.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D93300

Files:
  llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
  llvm/test/CodeGen/PowerPC/fast-isel-pcrel.ll
  llvm/test/CodeGen/PowerPC/p10-constants.ll

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