Add a ComputeNumSignBits function for use by instcombine, based on the
authorDan Gohman <gohman@apple.com>
Mon, 19 May 2008 22:14:15 +0000 (22:14 +0000)
committerDan Gohman <gohman@apple.com>
Mon, 19 May 2008 22:14:15 +0000 (22:14 +0000)
commit45b4e48b18328e5e66004d5a007595ed00cddaae
treee26bddcbf7aea6b093e63e164464ec8b20df21b1
parentc215b3ef5d9627f5fb6fe9034e46bc29ae592916
Add a ComputeNumSignBits function for use by instcombine, based on the
code in SelectionDAG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51279 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Scalar/InstructionCombining.cpp