[PATCH] D54769: [FileCheck] New option -warn

[Sjoerd Meijer via Phabricator via llvm-commits]

SjoerdMeijer added a comment.

> So, I'm not convinced that we can have a diagnostic for your case 3 that would really be meaningful and useful.

That is really unfortunate and problematic. Apologies, but just for completeness, this was that example:

  RUN: llc -mtriple=arm-linux-gnueabi %s -o - | FileCheck %s -check-prefix=FOO
  define void @FOO() {
  entry:
    ; FOO-LABEL: FOO:
    ; DOO:             mov  pc, lr
    ret void
  }

It's really not difficult to make this mistake, and I really would like to solve this one too. My previous approach might be wrong, so I am going to look again if I can get it to reliably error in this case.


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  https://reviews.llvm.org/D54769/new/

https://reviews.llvm.org/D54769