[RISCV] Avoid signed integer overflow UB in RISCVMatInt::generateInstSeq
authorAlex Bradbury <asb@lowrisc.org>
Thu, 18 Jul 2019 04:02:58 +0000 (04:02 +0000)
committerAlex Bradbury <asb@lowrisc.org>
Thu, 18 Jul 2019 04:02:58 +0000 (04:02 +0000)
commit8aba95d64cf315d45b5d2faf2c809b7bd7f4e8e7
treeba39f320d311ef4e423ad67ecede9ef7237e936b
parentad73a436dc3bd9a6da0645872b3e9efe95e45e71
[RISCV] Avoid signed integer overflow UB in RISCVMatInt::generateInstSeq

Found by UBSan.

llvm-svn: 366398
llvm/lib/Target/RISCV/Utils/RISCVMatInt.cpp