[msvc x64] Update X86CompilationCallback_Win64.asm corresponding to r175267.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175363 91177308-0d34-0410-b5e6-96231b3b80d8
Reduce indents in LSRInstance::NarrowSearchSpaceByCollapsingUnrolledCode method.
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175364 91177308-0d34-0410-b5e6-96231b3b80d8
LegalizeDAG.cpp doesn't need DenseMap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175365 91177308-0d34-0410-b5e6-96231b3b80d8