rename DeferredSendableChecking pass to SendNonSendable pass, handle more instructions such as try_apply and begin_apply, and fix bugs

Author: jturcotti

include/swift/Basic/Features.def

@@ -218,7 +218,7 @@ EXPERIMENTAL_FEATURE(BuiltinModule, true)
 EXPERIMENTAL_FEATURE(StrictConcurrency, true)
 
 /// Defer Sendable checking to SIL diagnostic phase.
-EXPERIMENTAL_FEATURE(DeferredSendableChecking, false)
+EXPERIMENTAL_FEATURE(SendNonSendable, false)
 
 /// Enable extended callbacks (with additional parameters) to be used when the
 /// "playground transform" is enabled.

include/swift/SILOptimizer/Utils/PartitionUtils.h

@@ -54,8 +54,7 @@ enum class PartitionOpKind : uint8_t {
   // Assign one value to a fresh region, takes one arg.
   AssignFresh,
 
-  // Consume the region of a value, takes one arg. Region of arg must be
-  // non-consumed before the op.
+  // Consume the region of a value if not already consumed, takes one arg.
   Consume,
 
   // Merge the regions of two values, takes two args, both must be from

lib/AST/ASTPrinter.cpp

@@ -3476,7 +3476,7 @@ static bool usesFeatureParameterPacks(Decl *decl) {
   return false;
 }
 
-static bool usesFeatureDeferredSendableChecking(Decl *decl) {
+static bool usesFeatureSendNonSendable(Decl *decl) {
   return false;
 }