================
@@ -1575,6 +1650,36 @@ static bool hasCallsBetween(Instruction *Save,
Instruction *ResumeOrDestroy) {
return false;
}
+// Check if await-suspend helper is "simple".
+// The conditions are:
+// 1. The return result is exactly coroutine frame parameter, passed to helper
+// 2. There are no calls between any of the returns and helper entry that could
+// resume or destroy it
+// FIXME: perform more sophisiticated analysis?
+static bool isSimpleHelper(CoroAwaitSuspendInst *AWS) {
----------------
fpasserby wrote:
This method was added so that previously available optimization is not lost
after this change. If you really feel this is too minor, I will remove it.
https://github.com/llvm/llvm-project/pull/79712
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