[llvm-dev] FileCheck

[Matt Arsenault via llvm-dev]

> On Jun 18, 2020, at 14:32, Chris Lattner via llvm-dev <llvm-dev at lists.llvm.org> wrote:
> 
> 2) Instead of dumping the entire input by default, would it be reasonable to change the default “make check” to have  FileCheck print the 10 lines before and after the mismatch?  Most problems are close by the check failure.  If you want to check extra fancy, dump the CHECK-LABEL region.
> 

In my experience, the entire CHECK-LABEL region is still way too much (e.g. MIR tests print a giant block of function information in the prolog). There needs to be a stricter line count clamping of some kind

-Matt
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