llvm-project

6741bf0a - [ARM] Do not pass debug insn to liveness analysis (#197769)

[ARM] Do not pass debug insn to liveness analysis (#197769) Debug instructions must not affect liveness analysis. stepBackward has an assertion failure on debug instructions after https://github.com/llvm/llvm-project/pull/193104. Signed-off-by: John Lu <John.Lu@amd.com>