Merge pull request swiftlang#21463 from gottesmm/pr-89ba7f1c9c5ad900f1217f32305fc79028e07eff

[predictable-mem-opts] Eliminate unused PMOUseKind.

Author: gottesmm

lib/SILOptimizer/Mandatory/PMOMemoryUseCollector.h

@@ -155,13 +155,6 @@ enum PMOUseKind {
   /// This instruction is a general escape of the value, e.g. a call to a
   /// closure that captures it.
   Escape,
-
-  /// This instruction is a call to 'super.init' in a 'self' initializer of a
-  /// derived class.
-  SuperInit,
-
-  /// This instruction is a call to 'self.init' in a delegating initializer.
-  SelfInit
 };
 
 /// This struct represents a single classified access to the memory object

lib/SILOptimizer/Mandatory/PredictableMemOpt.cpp

@@ -1250,9 +1250,6 @@ bool AllocOptimize::tryToRemoveDeadAllocation() {
     if (U.Inst == nullptr) continue;
 
     switch (U.Kind) {
-    case PMOUseKind::SelfInit:
-    case PMOUseKind::SuperInit:
-      llvm_unreachable("Can't happen on allocations");
     case PMOUseKind::Assign:
     case PMOUseKind::PartialStore:
     case PMOUseKind::InitOrAssign: