forked from OSchip/llvm-project
Add a test showing when ld64 can hide linkonce_odr symbols.
llvm-svn: 257903
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llvm/test/tools/lto
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; RUN: llvm-as %s -o %t.o
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; RUN: %ld64 -lto_library %llvmshlibdir/libLTO.dylib -dylib -arch x86_64 -macosx_version_min 10.10.0 -lSystem -o %t.dylib %t.o -save-temps -undefined dynamic_lookup
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; RUN: llvm-dis %t.dylib.lto.opt.bc -o - | FileCheck --check-prefix=IR %s
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; check that @a is still a linkonce_odr definition
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; IR: define linkonce_odr void @a()
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; RUN: llvm-nm %t.dylib | FileCheck --check-prefix=NM %s
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; check that the linker can hide @a but not @b
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; NM: 0000000000000f10 t _a
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; NM: 0000000000000f20 T _b
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; NM: 0000000000000f00 T _c
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target triple = "x86_64-apple-macosx10.10.0"
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declare void @external()
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define linkonce_odr void @a() noinline {
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call void @external()
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ret void
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}
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define linkonce_odr void @b() {
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ret void
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}
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define void()* @c() {
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call void @a()
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ret void()* @b
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}
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