[all-commits] [llvm/llvm-project] ec8c17: AMDGPU: Correct prolog SP initialization logic

[Matt Arsenault via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: ec8c172d01eb14eba890f36205da0613dda7f742
      https://github.com/llvm/llvm-project/commit/ec8c172d01eb14eba890f36205da0613dda7f742
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2020-08-05 (Wed, 05 Aug 2020)

  Changed paths:
    M llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
    M llvm/lib/Target/AMDGPU/SIFrameLowering.h
    M llvm/test/CodeGen/AMDGPU/GlobalISel/dynamic-alloca-uniform.ll
    M llvm/test/CodeGen/AMDGPU/GlobalISel/non-entry-alloca.ll
    M llvm/test/CodeGen/AMDGPU/non-entry-alloca.ll

  Log Message:
  -----------
  AMDGPU: Correct prolog SP initialization logic

Having callees that will read SP is not the only reason we need to
reference the stack pointer.