tree 231056553ec04a2facec068d16dc43ef4a204904
parent 4897effb14158051bc07a88cb7e84f3b25d5980c
author Thomas Preud'homme <thomasp@graphcore.ai> 1598610601 +0100
committer Thomas Preud'homme <thomasp@graphcore.ai> 1618926166 +0100

Fix PR46880: Fail CHECK-NOT with undefined variable

Currently a CHECK-NOT directive succeeds whenever the corresponding
match fails. However match can fail due to an error rather than a lack
of match, for instance if a variable is undefined. This commit makes match
error a failure for CHECK-NOT.

Reviewed By: jdenny

Differential Revision: https://reviews.llvm.org/D86222