[PATCH] D82341: [PowerPC] add store (load float*) pattern to isProfitableToHoist

[ChenZheng via Phabricator via llvm-commits]

shchenz created this revision.
shchenz added reviewers: jsji, nemanjai, hfinkel, PowerPC.
Herald added subscribers: llvm-commits, wuzish, kbarton, hiraditya.
Herald added a project: LLVM.

`store (load float*)` can be optimized to `store(load i32)` in InstCombine pass.

Add `store (load float*)` to `isProfitableToHoist` to make sure we don't break the opt in `InstCombine` pass.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D82341

Files:
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp
  llvm/test/Transforms/SimplifyCFG/PowerPC/prefer-load-i32.ll

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