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66a730b638
This option is no longer necessary, because we emit weak definitions for any imported modules. Fixes rdar://158364032.
27 lines
1.1 KiB
Swift
27 lines
1.1 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -enable-experimental-feature Embedded -enable-experimental-feature SymbolLinkageMarkers -module-name main -O %s -emit-ir | %FileCheck %s --check-prefix=CHECK-IR
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// RUN: %target-swift-frontend -enable-experimental-feature Embedded -enable-experimental-feature SymbolLinkageMarkers -module-name main -O %s -c -o %t/a.o
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// RUN: %target-clang %target-clang-resource-dir-opt %t/a.o -o %t/a.out -dead_strip
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// RUN: %llvm-nm --defined-only --format=just-symbols --demangle %t/a.out | sort | %FileCheck %s --check-prefix=CHECK-NM
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// RUN: %target-run %t/a.out | %FileCheck %s
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// REQUIRES: swift_in_compiler
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// REQUIRES: executable_test
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// REQUIRES: swift_feature_Embedded
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// REQUIRES: swift_feature_SymbolLinkageMarkers
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public func a_this_is_unused() { }
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@_used
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public func b_this_is_unused_but_explicitly_retained() { }
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// CHECK-IR: define {{.*}}@"$e4main16a_this_is_unusedyyF"()
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// CHECK-IR: define {{.*}}@"$e4main40b_this_is_unused_but_explicitly_retainedyyF"()
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// CHECK-NM-NOT: $e4main14this_is_unusedyyF
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// CHECK-NM: $e4main40b_this_is_unused_but_explicitly_retainedyyF
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print("Hello")
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// CHECK: Hello
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