[SimplifyLibCalls][NFC] Use StringRef::back instead explicit indexing.
authorDawid Jurczak <dawid_jurek@vp.pl>
Thu, 22 Apr 2021 13:01:44 +0000 (15:01 +0200)
committerDávid Bolvanský <david.bolvansky@gmail.com>
Thu, 22 Apr 2021 13:02:47 +0000 (15:02 +0200)
commit57f443c34866de827bcc5223c93367d93b2c18c8
tree126f99b0e5c5f85122e79875b4826a3df4b94b7a
parent978eb3f168be46d990da0eeec6705e7f6bd85279
[SimplifyLibCalls][NFC] Use StringRef::back instead explicit indexing.

Split off from D100724.

Reviewed By: xbolva00

Differential Revision: https://reviews.llvm.org/D101032
llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp