[llvm-branch-commits] [llvm] DAG: Check if deoptimize call is available before emitting it (PR #170940)

[Matt Arsenault via llvm-branch-commits]

arsenm wrote:

> Looks good, though I wonder if deoptimize is unavailable, where it comes from then? (Why it is generated in IR?)

Nothing is stopping you from writing IR with an intrinsic on it. And nothing may be keeping the optimize libcall alive if it depends on codegen.

https://github.com/llvm/llvm-project/pull/170940