[PATCH] D156691: [PEI][WebAssembly] Switch to backwards frame index elimination

[Jay Foad via Phabricator via llvm-commits]

foad created this revision.
Herald added subscribers: pmatos, asb, StephenFan, arphaman, sunfish, hiraditya, jgravelle-google, sbc100, dschuff.
Herald added a project: All.
foad requested review of this revision.
Herald added subscribers: llvm-commits, aheejin.
Herald added a project: LLVM.

Backwards frame index elimination uses backwards register scavenging,
which is preferred because it does not rely on accurate kill flags.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156691

Files:
  llvm/lib/Target/WebAssembly/WebAssemblyRegisterInfo.h
  llvm/test/CodeGen/WebAssembly/i128.ll
  llvm/test/CodeGen/WebAssembly/libcalls.ll
  llvm/test/CodeGen/WebAssembly/multi-return.ll
  llvm/test/CodeGen/WebAssembly/umulo-128-legalisation-lowering.ll
  llvm/test/CodeGen/WebAssembly/userstack.ll

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