---

yaml
---
r: 273918
b: refs/heads/master-next
c: 4d5a691
h: refs/heads/master

Author: slavapestov

[refs]

@@ -1,6 +1,6 @@
 ---
 refs/heads/master: cbef630f19f869ab5279731179bd731f12b3b9d5
-refs/heads/master-next: a1b75cac54067a170f62bd29acc0e802e31bc2fc
+refs/heads/master-next: 4d5a691090596b527afca393f567423ba5d385b6
 refs/tags/osx-passed: b6b74147ef8a386f532cf9357a1bde006e552c54
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-a: 6bb18e013c2284f2b45f5f84f2df2887dc0f7dea
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-b: 66d897bfcf64a82cb9a87f5e663d889189d06d07

branches/master-next/include/swift/SIL/TypeLowering.h

@@ -565,13 +565,6 @@ class TypeConverter {
 
   llvm::BumpPtrAllocator IndependentBPA;
 
-  enum : unsigned {
-    /// There is a unique entry with this uncurry level in the
-    /// type-lowering map for every TLI we create.  The map has the
-    /// responsibility to call the destructor for these entries.
-    UniqueLoweringEntry = ~0U
-  };
-
   struct CachingTypeKey {
     GenericSignature *Sig;
     AbstractionPattern::CachingKey OrigType;

branches/master-next/lib/SIL/TypeLowering.cpp

@@ -1582,9 +1582,6 @@ TypeConverter::getTypeLoweringForLoweredType(TypeKey key,
   assert(type->isLegalSILType() && "type is not lowered!");
   (void)type;
 
-  // Re-using uncurry level 0 is reasonable because our uncurrying
-  // transforms are idempotent at this level.  This means we don't
-  // need a ton of redundant entries in the map.
   const TypeLowering *lowering = find(key);
   if (!lowering) {
     lowering = &getTypeLoweringForUncachedLoweredType(key);