39 lines
1.3 KiB
LLVM
39 lines
1.3 KiB
LLVM
; 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 -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 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, nor @GlobLinkonce
|
|
; NM: S _GlobLinkonce
|
|
; NM: t _a
|
|
; NM: T _b
|
|
; NM: T _c
|
|
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
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
|
|
}
|
|
|
|
define linkonce_odr void @b() {
|
|
ret void
|
|
}
|
|
|
|
define void()* @c() {
|
|
call void @a()
|
|
ret void()* @b
|
|
}
|