Add support for sdiv by 2^k and -2^k. Producing code like:
authorChris Lattner <sabre@nondot.org>
Thu, 25 Aug 2005 17:50:06 +0000 (17:50 +0000)
committerChris Lattner <sabre@nondot.org>
Thu, 25 Aug 2005 17:50:06 +0000 (17:50 +0000)
commit8784a23075f8544f78f8b46cfd10457c1109d433
tree7c91e8a06b686d37680b548fc580ffe414ba907f
parentee84f11577bf788be496b9464fd03c926a8ec2f4
Add support for sdiv by 2^k and -2^k.  Producing code like:

_test:
        srawi r2, r3, 2
        addze r3, r2
        blr

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23052 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/PowerPC/PPCISelDAGToDAG.cpp