[all-commits] [llvm/llvm-project] ac6a0c: [X86][AArch64][NFC] Simplify querying used argumen...

Bill Wendling via All-commits all-commits at lists.llvm.org
Fri Aug 19 11:39:29 PDT 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ac6a0cdc2e85d69ec20fd31d29f30843db0943bd
  Author: Bill Wendling <morbo at google.com>
  Date:   2022-08-19 (Fri, 19 Aug 2022)

  Changed paths:
    M llvm/lib/CodeGen/PrologEpilogInserter.cpp

  Log Message:
  [X86][AArch64][NFC] Simplify querying used argument registers

Registers used for arguments are listed as "live-ins" into the starting
basic block. This means we don't have to go through a potentially
expensive search through all possible argument registers when we only
care about used argument registers.

Differential Revision: https://reviews.llvm.org/D132181

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