Basic blocks typically have few predecessors.  Use a SmallDenseMap to
avoid a heap allocation when this is the case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192602 91177308-0d34-0410-b5e6-96231b3b80d8
Remove the now unused strong phi elimination pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192604 91177308-0d34-0410-b5e6-96231b3b80d8
Remove lib/Transforms/Instrumentation/ProfilingUtils.*

They were leftover from the old profiling support.

Patch by Alastair Murray.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192605 91177308-0d34-0410-b5e6-96231b3b80d8
Remove utils/profile.pl.

It uses now removed opt options.

Patch by Alastair Murray!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192606 91177308-0d34-0410-b5e6-96231b3b80d8