[all-commits] [llvm/llvm-project] 6c733f: Use Pseudo Instruction to carry stack probing info...

[serge-sans-paille via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 6c733f5a1320977d24e7f5c565e55a6590e6ec8c
      https://github.com/llvm/llvm-project/commit/6c733f5a1320977d24e7f5c565e55a6590e6ec8c
  Author: serge-sans-paille <sguelton at redhat.com>
  Date:   2020-06-02 (Tue, 02 Jun 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86FrameLowering.cpp
    M llvm/lib/Target/X86/X86InstrCompiler.td

  Log Message:
  -----------
  Use Pseudo Instruction to carry stack probing information

Instead of using a fake call and metadata to temporarily represent a probed
static alloca, use a pseudo instruction.

This is inspired by the SystemZ approach proposed in https://reviews.llvm.org/D78717.

Differential Revision: https://reviews.llvm.org/D80641