[NFC][tests] Replace non-portable grep with FileCheck
authorHubert Tong <hubert.reinterpretcast@gmail.com>
Tue, 24 Nov 2020 17:14:03 +0000 (12:14 -0500)
committerHubert Tong <hubert.reinterpretcast@gmail.com>
Tue, 24 Nov 2020 17:15:07 +0000 (12:15 -0500)
commit44174b3d518ed70482ff5df2879523a4e26f92cc
treed283b698922b1ee74888981cedd68c4ae3e25c21
parenta248eca6659779116a6fb348117d74a0b8a05316
[NFC][tests] Replace non-portable grep with FileCheck

After commit 2482648a795afbe12774168bbbf70dc14c031267, a GNU grep option
is just passed unconditionally to `grep` in general. This patch fixes
the test for platforms where `grep` is not GNU grep.
clang/test/CodeGen/thinlto_embed_bitcode.ll