[all-commits] [llvm/llvm-project] 0da19a: [PEI][WebAssembly] Switch to backwards frame index...

[Jay Foad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0da19a2be5648140d6cfab4340866dc2bd58c4a9
      https://github.com/llvm/llvm-project/commit/0da19a2be5648140d6cfab4340866dc2bd58c4a9
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2023-08-03 (Thu, 03 Aug 2023)

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

  Log Message:
  -----------
  [PEI][WebAssembly] Switch to backwards frame index elimination

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

Differential Revision: https://reviews.llvm.org/D156691