kongtomorrow

% swiftc -Xllvm -help-hidden /tmp/foo.swift
USAGE: swift (LLVM option parsing) [options]

OPTIONS:
  -a9-754319-workaround                      - Enable workarounds for A9 HW bugs #754319
  -a9-754320-workaround                      - Enable workarounds for A9 HW bugs #754320
  -aarch64-use-tbi                           - Assume that top byte of an address is ignored
  -agg-antidep-debugdiv=<int>                - Debug control for aggressive anti-dep breaker
  -agg-antidep-debugmod=<int>                - Debug control for aggressive anti-dep breaker
  -aggressive-ext-opt                        - Aggressive extension optimization

aqjune

Parameters to clang

http://llvm.org/docs/ProgrammersManual.html#the-llvm-debug-macro-and-debug-option https://clang.llvm.org/docs/UsersManual.html#controlling-size-of-debug-information

-fno-discard-value-names
-g0
	Don’t generate any debug info (default).
-gline-tables-only