Merge pull request #35802 from gottesmm/move-ownership-past-sil-combine-before-inliner

[ownership] Move lowering past SILCombine and right before the inliner.

Author: gottesmm

lib/SILOptimizer/PassManager/PassPipeline.cpp

@@ -314,12 +314,6 @@ void addFunctionPasses(SILPassPipelinePlan &P,
   // Cleanup, which is important if the inliner has restarted the pass pipeline.
   P.addPerformanceConstantPropagation();
 
-  // We earlier eliminated ownership if we are not compiling the stdlib. Now
-  // handle the stdlib functions, re-simplifying, eliminating ARC as we do.
-  P.addCopyPropagation();
-  P.addSemanticARCOpts();
-  P.addNonTransparentFunctionOwnershipModelEliminator();
-
   addSimplifyCFGSILCombinePasses(P);
 
   P.addArrayElementPropagation();
@@ -351,6 +345,12 @@ void addFunctionPasses(SILPassPipelinePlan &P,
   // class_method/witness_method instructions may use concrete types now.
   P.addDevirtualizer();
 
+  // We earlier eliminated ownership if we are not compiling the stdlib. Now
+  // handle the stdlib functions, re-simplifying, eliminating ARC as we do.
+  P.addCopyPropagation();
+  P.addSemanticARCOpts();
+  P.addNonTransparentFunctionOwnershipModelEliminator();
+
   switch (OpLevel) {
   case OptimizationLevelKind::HighLevel:
     // Does not inline functions with defined semantics.