1 ; RUN: opt -module-summary %s -o %t.o
2 ; RUN: opt -module-summary %p/Inputs/thinlto_alias.ll -o %t2.o
4 ; Ensure that a preempted weak symbol that is linked in as a local
5 ; copy is handled properly. Specifically, the local copy will be promoted,
6 ; and internalization should be able to use the original non-promoted
7 ; name to locate the summary (otherwise internalization will abort because
8 ; it expects to locate summaries for all definitions).
9 ; Note that gold picks the first copy of weakfunc() as the prevailing one,
10 ; so listing %t2.o first is sufficient to ensure that this copy is
12 ; RUN: %gold -m elf_x86_64 -plugin %llvmshlibdir/LLVMgold%shlibext \
13 ; RUN: --plugin-opt=thinlto \
14 ; RUN: --plugin-opt=save-temps \
15 ; RUN: -o %t3.o %t2.o %t.o
16 ; RUN: llvm-nm %t3.o | FileCheck %s
17 ; RUN: llvm-dis %t.o.4.opt.bc -o - | FileCheck --check-prefix=OPT %s
18 ; RUN: llvm-dis %t2.o.4.opt.bc -o - | FileCheck --check-prefix=OPT2 %s
20 ; This does not currently pass because the gold plugin now uses the
21 ; combined summary rather than the IRMover to change the module's linkage
22 ; during the ThinLTO backend. The internalization step implemented by IRMover
23 ; for preempted symbols has not yet been implemented for the combined summary.
27 ; OPT: define hidden void @weakfunc.llvm.0()
28 ; OPT2: define weak void @weakfunc()
30 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
31 target triple = "x86_64-unknown-linux-gnu"
33 @weakfuncAlias = alias void (...), bitcast (void ()* @weakfunc to void (...)*)
34 define weak void @weakfunc() {