use static_cast to get rid of windows warning. 

warning C4244: 'argument' : conversion from 'uint64_t' to 'const unsigned int', possible loss of data

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180846 91177308-0d34-0410-b5e6-96231b3b80d8
fix windows warning. 

warning C4244: 'argument' : conversion from 'uint64_t' to 'const unsigned int', possible loss of data

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180847 91177308-0d34-0410-b5e6-96231b3b80d8
replace reinterpret_cast by cast or remove reinterpret_cast to get rid of windows warning: warning C4946: reinterpret_cast used between related classes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180850 91177308-0d34-0410-b5e6-96231b3b80d8
get rid of windows warning:

warning C4800: forcing value to bool 'true' or 'false' (performance warning)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180851 91177308-0d34-0410-b5e6-96231b3b80d8