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In LLVM unified builds `%swift_obj_root` points to `<LLVM build dir>/tools/swift`, and folders like `bin`, `lib` and `share` are not under `swift_obj_root`, which makes some tests fail. For the cases in which `%swift_obj_root/lib` was used, replace it by using `%swift-lib-dir` instead. Replicate `%swift-lib-dir` to create `%swift-bin-dir` and `%swift-share-dir`, and use those instead of `%swift_obj_root/bin` and `%swift_obj_root/share`. This alternates work both in Swift build-script builds and also in LLVM unified builds.
39 lines
1.2 KiB
Swift
39 lines
1.2 KiB
Swift
// Tests that under -enable-llvm-wme, LLVM GlobalDCE is able to remove unused
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// witness methods, and that used witness methods are not removed (by running
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// the program).
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// RUN: %empty-directory(%t)
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// RUN: %target-build-swift -Xfrontend -enable-llvm-wme %s -Onone -emit-ir -o %t/main.ll
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// RUN: %target-clang %t/main.ll -isysroot %sdk -L%swift-lib-dir/swift/%target-sdk-name -flto -o %t/main
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// RUN: %target-codesign %t/main
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// RUN: %target-run %t/main | %FileCheck %s
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// RUN: %llvm-nm --defined-only %t/main | %FileCheck %s --check-prefix=NM
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// REQUIRES: executable_test
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// FIXME(mracek): More work needed to get this to work on non-Apple platforms.
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// REQUIRES: VENDOR=apple
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// For LTO, the linker dlopen()'s the libLTO library, which is a scenario that
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// ASan cannot work in ("Interceptors are not working, AddressSanitizer is
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// loaded too late").
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// REQUIRES: no_asan
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protocol TheProtocol {
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func func1_live()
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func func2_dead()
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}
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struct MyStruct : TheProtocol {
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func func1_live() { print("MyStruct.func1_live") }
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func func2_dead() { print("MyStruct.func2_dead") }
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}
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let x: TheProtocol = MyStruct()
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x.func1_live()
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// CHECK: MyStruct.func1_live
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// NM: $s4main8MyStructV10func1_liveyyF
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// NM-NOT: $s4main8MyStructV10func2_deadyyF
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