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Author SHA1 Message Date
Joel E. Denny dc5ba317b1 [FileCheck] Implement -v and -vv for tracing matches 
-v prints all directive pattern matches.

-vv additionally prints info that might be noise to users but that can
be helpful to FileCheck developers.

To maximize code reuse and to make diagnostics more consistent, this
patch also adjusts and extends some of the existing diagnostics.
CHECK-NOT failures now report variables uses.  Many more diagnostics
now report the check prefix and kind of directive.

Reviewed By: probinson

Differential Revision: https://reviews.llvm.org/D47114

llvm-svn: 336967
 2018-07-13 03:08:23 +00:00
Xinliang David Li d24c383ec0 Fix windows build bot failure 
llvm-svn: 271075
 2016-05-28 00:03:35 +00:00
Xinliang David Li 2bd4f8b66b FileCheck: dump command line context with empty input 
Differential Revision: http://reviews.llvm.org/D20716

llvm-svn: 271047
 2016-05-27 21:23:25 +00:00
Justin Bogner 1b9f936f91 FileCheck: Add a flag to allow checking empty input 
Currently FileCheck errors out on empty input. This is usually the
right thing to do, but makes testing things like "this command does
not emit some error message" hard to test. This usually leads to
people using "command 2>&1 | count 0" instead, and then the bots that
use guard malloc fail a few hours later.

By adding a flag to FileCheck that allows empty inputs, we can make
tests that consist entirely of "CHECK-NOT" lines feasible.

llvm-svn: 215127
 2014-08-07 18:40:37 +00:00