Merge pull request swiftlang#22736 from slavapestov/availability-weak-import-better-test

IRGen: Improve weak_import_availability.swift test

Author: slavapestov

test/IRGen/weak_import_availability.swift

@@ -1,9 +1,12 @@
 // RUN: %empty-directory(%t)
 // RUN: %target-swift-frontend -emit-module -emit-module-path %t/weak_import_availability_helper.swiftmodule -parse-as-library %S/Inputs/weak_import_availability_helper.swift -enable-resilience
 //
-// RUN: %target-swift-frontend -primary-file %s -I %t -emit-ir | %FileCheck %s
+// RUN: %target-swift-frontend -primary-file %s -I %t -emit-ir | %FileCheck %s --check-prefix=CHECK-OLD
+// RUN: %target-swift-frontend -primary-file %s -I %t -emit-ir -target x86_64-apple-macosx10.50 | %FileCheck %s --check-prefix=CHECK-NEW
+// RUN: %target-swift-frontend -primary-file %s -I %t -emit-ir -target x86_64-apple-macosx10.60 | %FileCheck %s --check-prefix=CHECK-NEW
 
 // REQUIRES: OS=macosx
+// REQUIRES: CPU=x86_64
 
 import weak_import_availability_helper
 
@@ -14,7 +17,8 @@ public func useConditionallyAvailableCase(e: AlwaysAvailableEnum) {
   }
 }
 
-// CHECK-LABEL: @"$s31weak_import_availability_helper19AlwaysAvailableEnumO013conditionallyF4CaseyA2CmFWC" = extern_weak constant i32
+// CHECK-OLD-LABEL: @"$s31weak_import_availability_helper19AlwaysAvailableEnumO013conditionallyF4CaseyA2CmFWC" = extern_weak constant i32
+// CHECK-NEW-LABEL: @"$s31weak_import_availability_helper19AlwaysAvailableEnumO013conditionallyF4CaseyA2CmFWC" = external constant i32
 
 func useConformance<T : AlwaysAvailableProtocol>(_: T.Type) {}
 
@@ -26,14 +30,16 @@ public func useConditionallyAvailableConformance() {
 // FIXME: We reference the witness table directly -- that's a bug since the module is resilient. Should reference the
 // conformance descriptor instead.
 
-// CHECK-LABEL: @"$s31weak_import_availability_helper21AlwaysAvailableStructVAA0eF8ProtocolAAWP" = extern_weak global i8*
+// CHECK-OLD-LABEL: @"$s31weak_import_availability_helper21AlwaysAvailableStructVAA0eF8ProtocolAAWP" = extern_weak global i8*
+// CHECK-NEW-LABEL: @"$s31weak_import_availability_helper21AlwaysAvailableStructVAA0eF8ProtocolAAWP" = external global i8*
 
 @available(macOS 10.50, *)
 public func callConditionallyAvailableFunction() {
   conditionallyAvailableFunction()
 }
 
-// CHECK-LABEL: declare extern_weak swiftcc void @"$s31weak_import_availability_helper30conditionallyAvailableFunctionyyF"()
+// CHECK-OLD-LABEL: declare extern_weak swiftcc void @"$s31weak_import_availability_helper30conditionallyAvailableFunctionyyF"()
+// CHECK-NEW-LABEL: declare swiftcc void @"$s31weak_import_availability_helper30conditionallyAvailableFunctionyyF"()
 
 @available(macOS 10.50, *)
 public func useConditionallyAvailableGlobal() {
@@ -42,9 +48,11 @@ public func useConditionallyAvailableGlobal() {
   conditionallyAvailableGlobal += 1
 }
 
-// CHECK-LABEL: declare extern_weak swiftcc i64 @"$s31weak_import_availability_helper28conditionallyAvailableGlobalSivg"()
+// CHECK-OLD-LABEL: declare extern_weak swiftcc i64 @"$s31weak_import_availability_helper28conditionallyAvailableGlobalSivg"()
+// CHECK-NEW-LABEL: declare swiftcc i64 @"$s31weak_import_availability_helper28conditionallyAvailableGlobalSivg"()
 
-// CHECK-LABEL: declare extern_weak swiftcc void @"$s31weak_import_availability_helper28conditionallyAvailableGlobalSivs"(i64)
+// CHECK-OLD-LABEL: declare extern_weak swiftcc void @"$s31weak_import_availability_helper28conditionallyAvailableGlobalSivs"(i64)
+// CHECK-NEW-LABEL: declare swiftcc void @"$s31weak_import_availability_helper28conditionallyAvailableGlobalSivs"(i64)
 
 func blackHole<T>(_: T) {}
 
@@ -53,11 +61,13 @@ public func useConditionallyAvailableStruct() {
   blackHole(ConditionallyAvailableStruct.self)
 }
 
-// CHECK-LABEL: declare extern_weak swiftcc %swift.metadata_response @"$s31weak_import_availability_helper28ConditionallyAvailableStructVMa"(i64)
+// CHECK-OLD-LABEL: declare extern_weak swiftcc %swift.metadata_response @"$s31weak_import_availability_helper28ConditionallyAvailableStructVMa"(i64)
+// CHECK-NEW-LABEL: declare swiftcc %swift.metadata_response @"$s31weak_import_availability_helper28ConditionallyAvailableStructVMa"(i64)
 
 @available(macOS 10.50, *)
 public func useConditionallyAvailableMethod(s: ConditionallyAvailableStruct) {
   s.conditionallyAvailableMethod()
 }
 
-// CHECK-LABEL: declare extern_weak swiftcc void @"$s31weak_import_availability_helper28ConditionallyAvailableStructV013conditionallyF6MethodyyF"(%swift.opaque* noalias nocapture swiftself)
+// CHECK-OLD-LABEL: declare extern_weak swiftcc void @"$s31weak_import_availability_helper28ConditionallyAvailableStructV013conditionallyF6MethodyyF"(%swift.opaque* noalias nocapture swiftself)
+// CHECK-NEW-LABEL: declare swiftcc void @"$s31weak_import_availability_helper28ConditionallyAvailableStructV013conditionallyF6MethodyyF"(%swift.opaque* noalias nocapture swiftself)