llvm/check-multiple-prefixes-nomatch-2.txt at 52b162375ad7f0e1d820ae959031ac70e254aa3b - llvm - Gitea: Git with a cup of tea

RPCSX/llvm

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Daniel Sanders e4e260e6a7 FileCheck: fix a bug with multiple --check-prefix options. Similar to r194565

Summary:
Directives are being ignored, when they occur between a partial-word false
match and any match on another prefix.

For example, with FOO and BAR prefixes:
   _FOO
   FOO: foo
   BAR: bar
FileCheck incorrectly matches:
   fog
   bar

This happens because FOO falsely matched as a partial word at '_FOO' and was
ignored while BAR matched at 'BAR:'. The match of BAR is incorrectly returned
as the 'first match' causing the FOO directive to be discarded.

Fixed this the same way as r194565 (D2166) did for a similar test case.
The partial-word false match should be counted as a match for the purposes of
finding the first match of a prefix, but should be returned as a false match
using CheckTy::CheckNone so that it isn't treated as a directive.

Fixes PR17995

Reviewers: samsonov, arsenm

Reviewed By: samsonov

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2228

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195248 91177308-0d34-0410-b5e6-96231b3b80d8

2013-11-20 13:25:05 +00:00

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 ; RUN: not FileCheck -input-file %s %s -check-prefix=FOO -check-prefix=BAR 2>&1 | FileCheck %s
 fog
 bar
 ; _FOO not a valid check-line
 ; FOO: fo{{o}}
 ; BAR: ba{{r}}
 ; CHECK: {{error: expected string not found in input}}
 ; CHECK-NEXT: {{F}}OO: fo{{[{][{]o[}][}]}}