[PATCH] D64596: [AMDGPU] Skip calculating callee saved registers for entry function.

[Michael Liao via Phabricator via llvm-commits]

hliao marked an inline comment as done.
hliao added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/SIFrameLowering.cpp:985-986
   SIMachineFunctionInfo *MFI = MF.getInfo<SIMachineFunctionInfo>();
+  if (MFI->isEntryFunction())
+    return;
+
----------------
arsenm wrote:
> Why wouldn't this skip the base call?
to resize the SavedVGPRs to the proper size in case any code may break on that


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64596/new/

https://reviews.llvm.org/D64596