Optimizer: move the Value.lookThroughTruncOrBitCast from SimplifyPointerToAddress.swift to OptUtils.swift

Author: eeckstein

SwiftCompilerSources/Sources/Optimizer/InstructionSimplification/SimplifyPointerToAddress.swift

@@ -293,13 +293,6 @@ private extension Value {
       return self
     }
   }
-
-  var lookThroughTruncOrBitCast: Value {
-    if let truncOrBitCast = self as? BuiltinInst, truncOrBitCast.id == .TruncOrBitCast {
-      return truncOrBitCast.arguments[0]
-    }
-    return self
-  }
 }
 
 private extension BuiltinInst {

SwiftCompilerSources/Sources/Optimizer/Utilities/OptUtils.swift

@@ -45,6 +45,13 @@ extension Value {
     }
   }
 
+  var lookThroughTruncOrBitCast: Value {
+    if let truncOrBitCast = self as? BuiltinInst, truncOrBitCast.id == .TruncOrBitCast {
+      return truncOrBitCast.arguments[0]
+    }
+    return self
+  }
+
   func isInLexicalLiverange(_ context: some Context) -> Bool {
     var worklist = ValueWorklist(context)
     defer { worklist.deinitialize() }