[llvm-branch-commits] [llvm] [LLVM][Coroutines] Create `.noalloc` variant of switch ABI coroutine ramp functions during CoroSplit (PR #99283)

[Yuxuan Chen via llvm-branch-commits]

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@@ -2049,6 +2055,22 @@ the coroutine must reach the final suspend point when it get destroyed.
 
 This attribute only works for switched-resume coroutines now.
 
+coro_must_elide
+---------------
+
+When a Call or Invoke instruction is marked with `coro_must_elide`,
+CoroAnnotationElidePass performs heap elision when possible. Note that for
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yuxuanchen1997 wrote:

What about `coro_elide_safe`?

https://github.com/llvm/llvm-project/pull/99283