Use llvm::createAlwaysInlinerLegacyPass rename from llvm r278896

Author: bob-wilson

lib/IRGen/IRGen.cpp

@@ -55,6 +55,7 @@
 #include "llvm/Target/TargetSubtargetInfo.h"
 #include "llvm/Transforms/Instrumentation.h"
 #include "llvm/Transforms/IPO.h"
+#include "llvm/Transforms/IPO/AlwaysInliner.h"
 #include "llvm/Transforms/IPO/PassManagerBuilder.h"
 #include "llvm/Transforms/ObjCARC.h"
 #include "llvm/Object/ObjectFile.h"
@@ -153,7 +154,7 @@ void swift::performLLVMOptimizations(IRGenOptions &Opts, llvm::Module *Module,
     PMBuilder.OptLevel = 0;
     if (!Opts.DisableLLVMOptzns)
       PMBuilder.Inliner =
-        llvm::createAlwaysInlinerPass(/*insertlifetime*/false);
+        llvm::createAlwaysInlinerLegacyPass(/*insertlifetime*/false);
   }
 
   // If the optimizer is enabled, we run the ARCOpt pass in the scalar optimizer