verify-di: Add back braces for MSVC compatability

Fixup after r206300.

<rdar://problem/15500563>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206305 91177308-0d34-0410-b5e6-96231b3b80d8
LTO: Add more loop simplification passes to LTO

Similar to r202051, add missing loop simplification passes to the LTO
optimization pipeline.

Patch by Rafael Espindola.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206306 91177308-0d34-0410-b5e6-96231b3b80d8