Convert the diagnostic methods into passes.

Swift SVN r13503

lib/SILPasses/DefiniteInitialization.cpp

@@ -17,11 +17,14 @@
 #include "swift/AST/DiagnosticsSIL.h"
 #include "swift/SIL/SILBuilder.h"
 #include "swift/SILPasses/Utils/Local.h"
+#include "swift/SILPasses/Transforms.h"
+#include "swift/SILPasses/PassManager.h"
 #include "swift/Basic/Fallthrough.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/ADT/SmallBitVector.h"
 #include "llvm/ADT/StringExtras.h"
+
 using namespace swift;
 
 STATISTIC(NumAssignRewritten, "Number of assigns rewritten");
@@ -1565,3 +1568,27 @@ void swift::performSILDefiniteInitialization(SILModule *M) {
     DEBUG(Fn.verify());
   }
 }
+
+
+class DefiniteInitialization : public SILFunctionTrans {
+  virtual ~DefiniteInitialization() {}
+
+  /// The entry point to the transformation.
+  virtual void runOnFunction(SILFunction &F, SILPassManager *PM) {
+
+    // Walk through and promote all of the alloc_box's that we can.
+    checkDefiniteInitialization(F);
+    DEBUG(F.verify());
+
+    // Lower raw-sil only instructions used by this pass, like "assign".
+    lowerRawSILOperations(F);
+    DEBUG(F.verify());
+
+    PM->invalidateAllAnalysis(SILAnalysis::IK_All);
+  }
+};
+
+SILTransform *swift::createDefiniteInitialization() {
+  return new DefiniteInitialization();
+}
+