SIL: add the Builtin.name getter and Builtin.arguments

Author: eeckstein

SwiftCompilerSources/Sources/SIL/Instruction.swift

@@ -658,13 +658,21 @@ final public class BuiltinInst : SingleValueInstruction {
     return bridged.BuiltinInst_getID()
   }
 
+  public var name: StringRef {
+    return StringRef(bridged: bridged.BuiltinInst_getName())
+  }
+
   public var intrinsicID: BridgedInstruction.IntrinsicID {
     return bridged.BuiltinInst_getIntrinsicID()
   }
 
   public var substitutionMap: SubstitutionMap {
     SubstitutionMap(bridged: bridged.BuiltinInst_getSubstitutionMap())
   }
+
+  public var arguments: LazyMapSequence<OperandArray, Value> {
+    operands.values
+  }
 }
 
 final public class UpcastInst : SingleValueInstruction, UnaryInstruction {

include/swift/SIL/SILBridging.h

@@ -718,6 +718,7 @@ struct BridgedInstruction {
   BRIDGED_INLINE bool LoadBorrowInst_isUnchecked() const ;
   BRIDGED_INLINE BuiltinValueKind BuiltinInst_getID() const;
   BRIDGED_INLINE IntrinsicID BuiltinInst_getIntrinsicID() const;
+  SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedStringRef BuiltinInst_getName() const;
   SWIFT_IMPORT_UNSAFE BRIDGED_INLINE BridgedSubstitutionMap BuiltinInst_getSubstitutionMap() const;
   BRIDGED_INLINE bool PointerToAddressInst_isStrict() const;
   BRIDGED_INLINE bool PointerToAddressInst_isInvariant() const;

include/swift/SIL/SILBridgingImpl.h

@@ -1132,6 +1132,10 @@ BridgedInstruction::IntrinsicID BridgedInstruction::BuiltinInst_getIntrinsicID()
   }
 }
 
+BridgedStringRef BridgedInstruction::BuiltinInst_getName() const {
+  return getAs<swift::BuiltinInst>()->getName().str();
+}
+
 BridgedSubstitutionMap BridgedInstruction::BuiltinInst_getSubstitutionMap() const {
   return getAs<swift::BuiltinInst>()->getSubstitutions();
 }