[all-commits] [llvm/llvm-project] 74aa44: [X86] Zero out the 32-bit GPRs explicitly

Bill Wendling via All-commits all-commits at lists.llvm.org
Thu Feb 10 23:09:18 PST 2022

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 74aa44a887732a09bce524cbc6d5039333ddffbe
  Author: Bill Wendling <isanbard at gmail.com>
  Date:   2022-02-10 (Thu, 10 Feb 2022)

  Changed paths:
    M llvm/lib/Target/X86/X86FrameLowering.cpp
    M llvm/test/CodeGen/X86/zero-call-used-regs.ll

  Log Message:
  [X86] Zero out the 32-bit GPRs explicitly

This should ensure that only the 32-bit xors are emitted, and not the
64-bit xors.

Differential Revision: https://reviews.llvm.org/D119523

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