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Author SHA1 Message Date
Mircea Trofin 98e8a06e72 [FileCheck] Use %ProtectFileCheckOutput in allow-unused-prefixes.txt 
Differential Revision: https://reviews.llvm.org/D90631
 2020-11-05 07:08:20 -08:00
Mircea Trofin a1aaa9ef78 [FileCheck] Fix comments and eof in allow-unused-prefixes.txt 2020-11-02 08:51:01 -08:00
Mircea Trofin 871d658c9c [FileCheck] Report missing prefixes when more than one is provided. 
If more than a prefix is provided - e.g. --check-prefixes=CHECK,FOO - we
don't report if (say) FOO is never used. This may lead to a gap in our
test coverage.

This patch introduces a new option, --allow-unused-prefixes. It
currently is set to true, keeping today's behavior. After we explicitly
set it in tests where this behavior was actually intentional, we will
switch it to false by default.

Differential Revision: https://reviews.llvm.org/D90281
 2020-10-30 12:39:29 -07:00