Capitalize lowerTRUNCATE so that it matches the other lower functions in this file despite it not matching coding standards.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172994 91177308-0d34-0410-b5e6-96231b3b80d8
Convert more EVT's to MVT's in the lowering methods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172995 91177308-0d34-0410-b5e6-96231b3b80d8
Disable test that fails due to lack of std::true_type in C++03.

Michael, can this test be ported to C++03?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172996 91177308-0d34-0410-b5e6-96231b3b80d8