Swift SIL: add BeginBorrowInst.isLexical

Author: eeckstein

SwiftCompilerSources/Sources/SIL/Instruction.swift

@@ -879,6 +879,8 @@ final public class BeginBorrowInst : SingleValueInstruction, UnaryInstruction {
   public var endBorrows: EndBorrowSequence {
     uses.lazy.compactMap({ $0.instruction as? EndBorrowInst })
   }
+
+  public var isLexical: Bool { bridged.BeginBorrow_isLexical() }
 }
 
 final public class ProjectBoxInst : SingleValueInstruction, UnaryInstruction {

include/swift/SIL/SILBridging.h

@@ -593,6 +593,7 @@ struct BridgedInstruction {
   BRIDGED_INLINE SwiftInt StructExtractInst_fieldIndex() const;
   BRIDGED_INLINE OptionalBridgedValue StructInst_getUniqueNonTrivialFieldValue() const;
   BRIDGED_INLINE SwiftInt StructElementAddrInst_fieldIndex() const;
+  BRIDGED_INLINE bool BeginBorrow_isLexical() const;
   BRIDGED_INLINE SwiftInt ProjectBoxInst_fieldIndex() const;
   BRIDGED_INLINE bool EndCOWMutationInst_doKeepUnique() const;
   BRIDGED_INLINE SwiftInt EnumInst_caseIndex() const;

include/swift/SIL/SILBridgingImpl.h

@@ -780,6 +780,10 @@ SwiftInt BridgedInstruction::StructElementAddrInst_fieldIndex() const {
   return getAs<swift::StructElementAddrInst>()->getFieldIndex();
 }
 
+bool BridgedInstruction::BeginBorrow_isLexical() const {
+  return getAs<swift::BeginBorrowInst>()->isLexical();
+}
+
 SwiftInt BridgedInstruction::ProjectBoxInst_fieldIndex() const {
   return getAs<swift::ProjectBoxInst>()->getFieldIndex();
 }