[llvm] [CoroEarly] Hide promise alloca for later passes (PR #139243)

[Chuanqi Xu via llvm-commits]

================
@@ -79,15 +79,17 @@ struct Shape {
 
   // Scan the function and collect the above intrinsics for later processing
   void analyze(Function &F, SmallVectorImpl<CoroFrameInst *> &CoroFrames,
-               SmallVectorImpl<CoroSaveInst *> &UnusedCoroSaves);
+               SmallVectorImpl<CoroSaveInst *> &UnusedCoroSaves,
+               SmallVectorImpl<CoroPromiseInst *> &CoroPromises);
   // If for some reason, we were not able to find coro.begin, bailout.
   void invalidateCoroutine(Function &F,
                            SmallVectorImpl<CoroFrameInst *> &CoroFrames);
   // Perform ABI related initial transformation
   void initABI();
   // Remove orphaned and unnecessary intrinsics
   void cleanCoroutine(SmallVectorImpl<CoroFrameInst *> &CoroFrames,
-                      SmallVectorImpl<CoroSaveInst *> &UnusedCoroSaves);
+                      SmallVectorImpl<CoroSaveInst *> &UnusedCoroSaves,
+                      SmallVectorImpl<CoroPromiseInst *> &CoroPromises);
----------------
ChuanqiXu9 wrote:

Can have multiple promises in a coroutine?

https://github.com/llvm/llvm-project/pull/139243