[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 +2055,21 @@ the coroutine must reach the final suspend point when it get destroyed.
 
 This attribute only works for switched-resume coroutines now.
 
+coro_elide_safe
+---------------
+
+When a Call or Invoke instruction is marked with `coro_elide_safe`,
+CoroAnnotationElidePass performs heap elision when possible. Note that for
+recursive or mutually recursive functions this elision is usually not possible.
+
+coro_gen_noalloc_ramp
+---------------------
+
+This attribute hints CoroSplitPass to generate a `f.noalloc` ramp function for
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yuxuanchen1997 wrote:

This attribute is deleted while addressing your feedback in https://github.com/llvm/llvm-project/pull/99282#pullrequestreview-2265588601

I can add a clarification in the documentation for coro_safe_elide.

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