cache computation of #preds for a BB. This speeds up
authorChris Lattner <sabre@nondot.org>
Sat, 4 Aug 2007 20:24:50 +0000 (20:24 +0000)
committerChris Lattner <sabre@nondot.org>
Sat, 4 Aug 2007 20:24:50 +0000 (20:24 +0000)
commite7b653dabe83546c2c13e4595c3ed068eccb88bd
tree0b1d5f6fd58d7b969aeba067913b2ed6308858c4
parent384c7e04366b3eaa1d38d285d586bf5cf13e5fd3
cache computation of #preds for a BB.  This speeds up
mem2reg from 2.0742->2.0522s on PR1432.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40821 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/Utils/PromoteMemoryToRegister.cpp