[Improve CodeGen Testing] This patch renables MIRPrinter print fields which have value equal to its default.
If -simplify-mir option is passed then MIRPrinter will not print such fields.
This change also required some lit test cases in CodeGen directory to be changed.

Reviewed By: MatzeB

Differential Revision: https://reviews.llvm.org/D32304


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304779 91177308-0d34-0410-b5e6-96231b3b80d8
78 files changed