Python compatibility fix for r198150

Remove the stat call error reporting for now.

It wasn't essential so silent fallback should be fine here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198155 91177308-0d34-0410-b5e6-96231b3b80d8
Windows build fixes, hopefully last part.

r198153 fixed the msvs bot problem, but broke a msysgit bot. This change
hopefully makes both variants happy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198156 91177308-0d34-0410-b5e6-96231b3b80d8
[SparcV9] Use separate instruction patterns for 64 bit arithmetic instructions instead of reusing 32 bit instruction patterns.
 This is done to avoid spilling the result of the 64-bit instructions to a 4-byte slot.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198157 91177308-0d34-0410-b5e6-96231b3b80d8
Make LLVM_MSC_PREREQ() compatible with all MSVC versions

The defined() preprocessor expansion wasn't working out on the lld builder.

Also update the documentation to cover another Visual Studio release versioning
convention.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198158 91177308-0d34-0410-b5e6-96231b3b80d8
Yet another attempt at getting cmake-clang-i686-mingw32 green.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198159 91177308-0d34-0410-b5e6-96231b3b80d8
Store the global variable that's created so that it's reclaimed afterwards.

This plugs a memory leak in ARM's FastISel by storing the GV in Module so that
it's reclaimed.
PR17978

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198160 91177308-0d34-0410-b5e6-96231b3b80d8
Fix indentation alignment of a declaration in MipsMCCodeEmitter.cpp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198162 91177308-0d34-0410-b5e6-96231b3b80d8