llvm-project

380f0fb6 - [CodeGen/DWARF] Introduce DWARF tag for SwiftTail and emit it in CodeGen.

[CodeGen/DWARF] Introduce DWARF tag for SwiftTail and emit it in CodeGen. swifttailcc is a new calling convention in LLVM introduced in https://reviews.llvm.org/D95443. We add a new DWARF tag to capture this in debuginfo. Differential Revision: https://reviews.llvm.org/D95704 [Note: This patch seems to have been forgotten about, landing it now with considerable delay]