Merge pull request #63658 from compnerd/async-noexcept

IRGen: order properties on SwiftAsyncCC to be uniform

Author: compnerd

lib/IRGen/GenConcurrency.cpp

@@ -330,8 +330,8 @@ llvm::Function *IRGenModule::getAwaitAsyncContinuationFn() {
   llvm::Value *context = suspendFn->getArg(0);
   auto *call =
       Builder.CreateCall(getContinuationAwaitFunctionPointer(), {context});
-  call->setDoesNotThrow();
   call->setCallingConv(SwiftAsyncCC);
+  call->setDoesNotThrow();
   call->setTailCallKind(AsyncTailCallKind);
 
   Builder.CreateRetVoid();

lib/IRGen/GenFunc.cpp

@@ -2541,8 +2541,8 @@ llvm::Function *IRGenFunction::createAsyncSuspendFn() {
   auto *suspendCall = Builder.CreateCall(
       IGM.getTaskSwitchFuncFunctionPointer(),
       {context, resumeFunction, targetExecutorFirst, targetExecutorSecond});
-  suspendCall->setDoesNotThrow();
   suspendCall->setCallingConv(IGM.SwiftAsyncCC);
+  suspendCall->setDoesNotThrow();
   suspendCall->setTailCallKind(IGM.AsyncTailCallKind);
 
   llvm::AttributeList attrs = suspendCall->getAttributes();