The LIT test cases were migrated with the script provided by Nikita Popov. Due to the size of the change it is split into several parts. Reviewed By: nemanja, amyk, nikic, PowerPC Differential Revision: https://reviews.llvm.org/D135470
From https://llvm.org/docs/LangRef.html#asm-template-argument-modifiers: I: Print the letter ‘i’ if the operand is an integer constant, otherwise nothing. Used to print ‘addi’ vs ‘add’ instructions. Differential Revision: https://reviews.llvm.org/D103968