Changes

Changes from Git (git https://github.com/llvm/llvm-project.git)

Summary

  1. Reduce the number of memory allocations when displaying (details)
Commit eb482afaf5bbf3abf9d02c3810e418945c68a936 by momchil.velikov
Reduce the number of memory allocations when displaying
a warning about clobbering reserved registers (NFC).

Also address some minor inefficiencies and style issues.

Differential Revision: https://reviews.llvm.org/D86088
The file was modifiedllvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp