[llvm] [profcheck][coro] Adding Branch weights PGO in Coroutines Passes (PR #184466)

[Chuanqi Xu via llvm-commits]

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@@ -1102,6 +1116,46 @@ void coro::SwitchCloner::create() {
   // Replacing coro.free with 'null' in cleanup to suppress deallocation code.
   if (FKind == coro::CloneKind::SwitchCleanup)
     elideCoroFree(NewFramePtr);
+
+  
+  // Update branch weights of the cloned resume switch if we have profile data.
+  if (Shape.ABI == coro::ABI::Switch) {
+    auto *ClonedSwitch = cast_if_present<SwitchInst>(
+        VMap[Shape.SwitchLowering.ResumeSwitch]);
+    if (ClonedSwitch) {
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ChuanqiXu9 wrote:

nit: we prefer assignment in if

https://github.com/llvm/llvm-project/pull/184466