Merge pull request swiftlang#12935 from adrian-prantl/cherry

master-next: Update IRGenDebugInfo.cpp for LLVM r313825

Author: slavapestov

lib/IRGen/IRGenDebugInfo.cpp

@@ -45,6 +45,7 @@
 #include "llvm/Config/config.h"
 #include "llvm/IR/DIBuilder.h"
 #include "llvm/IR/DebugInfo.h"
+#include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
@@ -1976,7 +1977,7 @@ void IRGenDebugInfoImpl::emitDbgIntrinsic(
   auto *BB = Builder.GetInsertBlock();
 
   // An alloca may only be described by exactly one dbg.declare.
-  if (isa<llvm::AllocaInst>(Storage) && llvm::FindAllocaDbgDeclare(Storage))
+  if (isa<llvm::AllocaInst>(Storage) && !llvm::FindDbgAddrUses(Storage).empty())
     return;
 
   // A dbg.declare is only meaningful if there is a single alloca for