Fix test cases for LTO

Author: kateinoigakukun

test/LTO/module_summary_generic_type_ref.swift

@@ -1,12 +1,12 @@
 // RUN: %empty-directory(%t)
 // RUN: %target-swift-frontend -emit-sib -emit-module-summary-path %t/default_wt.swiftmodule.summary -module-name default_wt -Xllvm -module-summary-embed-debug-name %s
-// RUN: %swift_frontend_plain -cross-module-opt %t/default_wt.swiftmodule.summary -module-summary-embed-debug-name -o %t/default_wt.swiftmodule.merged-summary
+// RUN: %swift_frontend_plain -merge-module-summary %t/default_wt.swiftmodule.summary -module-summary-embed-debug-name -o %t/default_wt.swiftmodule.merged-summary
 // RUN: %swift-module-summary-test --to-yaml %t/default_wt.swiftmodule.merged-summary -o %t/default_wt.merged-summary.yaml
 
 // Ensure that optimizer won't eliminate PrimitiveSequenceType.getPrimitiveSequence
 // RUN: %target-swift-frontend -c -module-summary-path %t/default_wt.swiftmodule.merged-summary default_wt.sib -o %t/default_wt.o
-// RUN: %target-swiftc_driver %t/default_wt.o -o %t/default_wt
-// RUN: %t/default_wt
+// RUN: %target-build-swift %t/default_wt.o -o %t/default_wt
+// RUN: %target-run %t/default_wt
 
 // RUN: cat %t/default_wt.merged-summary.yaml | %FileCheck %s
 // CHECK:      8732890044670327403:

test/LTO/module_summary_preserved.swift

@@ -46,14 +46,17 @@ func callableFromC2(x: Int) -> Int {
   return 2
 }
 
-// RUN: cat %t/preserved.summary.yaml | %FileCheck %s -check-prefix OBJC
+// RUN: if [ %target-runtime == "objc" ]; then cat %t/preserved.summary.yaml | %FileCheck %s -check-prefix OBJC; fi
 // OBJC:      3149498140227613915:
 // OBJC-NEXT:    name:            '$s9preserved1AC11objcMethod1yyFTo'
 // OBJC-NEXT:    guid:            3149498140227613915
 // OBJC-NEXT:    live:            false
 // OBJC-NEXT:    preserved:       true
+
+#if canImport(ObjectiveC)
 import Foundation
 
 class A: NSObject {
   @objc func objcMethod1() {}
 }
+#endif

test/LTO/type_refs_summary.swift

@@ -66,7 +66,7 @@
 // VTABLE-IMPL-NEXT:     type_guid:       9126595621082655001
 
 
-// RUN: %swift_frontend_plain -cross-module-opt %t/type_refs.swiftmodule.summary -module-summary-embed-debug-name -o %t/type_refs.swiftmodule.merged-summary
+// RUN: %swift_frontend_plain -merge-module-summary %t/type_refs.swiftmodule.summary -module-summary-embed-debug-name -o %t/type_refs.swiftmodule.merged-summary
 // RUN: %swift-module-summary-test --to-yaml %t/type_refs.swiftmodule.merged-summary -o %t/type_refs.merged-summary.yaml
 // Ensure that WT of V is not used.
 // RUN: cat %t/type_refs.merged-summary.yaml | %FileCheck %s -check-prefix USED-TYPE