lit: Don't use python 2.6 features

LLVM supports python 2.5, this fixes a (somewhat) recent regression.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223626 91177308-0d34-0410-b5e6-96231b3b80d8
X86 intrinsics moved form X86ISelLowering.cpp to X86IntrinsicsInfo.h
X86ISelLowering.cpp has a long switch for intrinsics. I moved a part of
this long switch to the new intrinsics table in X86IntrinsicsInfo.h.
No functional changes, just code and compile time optimization.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223641 91177308-0d34-0410-b5e6-96231b3b80d8