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-rw-r--r--llvm/test/tools/lto/hide-linkonce-odr.ll15
1 files changed, 11 insertions, 4 deletions
diff --git a/llvm/test/tools/lto/hide-linkonce-odr.ll b/llvm/test/tools/lto/hide-linkonce-odr.ll
index a1de96e8b33..6fbd75764ce 100644
--- a/llvm/test/tools/lto/hide-linkonce-odr.ll
+++ b/llvm/test/tools/lto/hide-linkonce-odr.ll
@@ -1,21 +1,28 @@
; RUN: llvm-as %s -o %t.o
-; 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
+; 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 -exported_symbol _c -exported_symbol _b -exported_symbol _GlobLinkonce
; RUN: llvm-dis %t.dylib.lto.opt.bc -o - | FileCheck --check-prefix=IR %s
-; check that @a is still a linkonce_odr definition
-; IR: define linkonce_odr void @a()
+; check that @a is no longer a linkonce_odr definition
+; IR-NOT: define linkonce_odr void @a()
+; check that @b is appended in llvm.used
+; IR: @llvm.compiler.used = appending global [2 x i8*] [i8* bitcast ([1 x i8*]* @GlobLinkonce to i8*), i8* bitcast (void ()* @b to i8*)], section "llvm.metadata"
; RUN: llvm-nm %t.dylib | FileCheck --check-prefix=NM %s
-; check that the linker can hide @a but not @b
+; check that the linker can hide @a but not @b, nor @GlobLinkonce
+; NM: 0000000000000f48 S _GlobLinkonce
; NM: 0000000000000f10 t _a
; NM: 0000000000000f20 T _b
; NM: 0000000000000f00 T _c
+
target triple = "x86_64-apple-macosx10.10.0"
declare void @external()
+@GlobLinkonce = linkonce_odr unnamed_addr constant [1 x i8*] [i8* null], align 8
+
define linkonce_odr void @a() noinline {
+ %use_of_GlobLinkonce = load [1 x i8*], [1 x i8*] *@GlobLinkonce
call void @external()
ret void
}
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