[PATCH] D110869: [X86] Implement -fzero-call-used-regs option

[Nick Desaulniers via Phabricator via cfe-commits]

nickdesaulniers added inline comments.


================
Comment at: llvm/test/CodeGen/X86/zero-call-used-regs.ll:287
+entry:
+  store volatile i32 2, i32* @result, align 4
+  ret i32 0
----------------
void wrote:
> nickdesaulniers wrote:
> > necessary?
> It's main. Of course it's necessary. :-) (And I want to check main explicitly.)
specifically can the `store volatile i32 2, i32* @result, align 4` be removed?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110869/new/

https://reviews.llvm.org/D110869