File: witness_table_multifile.swift

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// RUN: %target-swift-frontend -primary-file %s %S/Inputs/witness_table_multifile_2.swift -emit-ir -disable-objc-attr-requires-foundation-module | %FileCheck %s

// CHECK: [[P_WITNESS_TABLE:%[A-Za-z0-9_]+]] = type { [{{24|12}} x i8], ptr, ptr }

// CHECK-LABEL: define hidden swiftcc void @"$s23witness_table_multifile3baryyF"
func bar() {
  // CHECK: call swiftcc void @"$s23witness_table_multifile2goAA1P_pyF"
  // CHECK:  [[WITNESS_TABLE_ADDR:%[0-9]+]] = getelementptr inbounds [[P_WITNESS_TABLE]], ptr %0, i32 0, i32 2
  // CHECK:  [[WITNESS_TABLE:%[A-Za-z0-9_-]+]] = load ptr, ptr [[WITNESS_TABLE_ADDR]]
  // CHECK:  [[BUFFER:%[0-9]+]] = call ptr @__swift_project_boxed_opaque_existential_1
  // CHECK-NEXT: getelementptr inbounds ptr, ptr [[WITNESS_TABLE]], i32 4
  go().foo()
}

// Ensure that protocols from other files get fully validated even
// when they're only used as types.
func useAProtocol() -> ProtocolOnlyUsedAsAType? {
  return nil
}