[X86] Fix mistake in comment. NFC
authorCraig Topper <craig.topper@intel.com>
Tue, 30 Jul 2019 21:00:24 +0000 (21:00 +0000)
committerCraig Topper <craig.topper@intel.com>
Tue, 30 Jul 2019 21:00:24 +0000 (21:00 +0000)
commit8b58371fae2b1d9a0823f229ed3a681142f408d7
tree57ce5fb16283af6e7a6b9652c4dd5d42e0b93551
parent1e4a094b37a1aa32d860dd036dd7f1fffb18ba9c
[X86] Fix mistake in comment. NFC

The code is matching sext not zext.

llvm-svn: 367357
llvm/lib/Target/X86/X86ISelLowering.cpp