1; RUN: opt -module-summary %s -o %t.o 2; RUN: opt -module-summary %p/Inputs/thinlto_alias.ll -o %t2.o 3 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 11; preempted. 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 19 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. 24; XFAIL: * 25 26; CHECK-NOT: U f 27; OPT: define hidden void @weakfunc.llvm.0() 28; OPT2: define weak void @weakfunc() 29 30target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 31target triple = "x86_64-unknown-linux-gnu" 32 33@weakfuncAlias = alias void (...), bitcast (void ()* @weakfunc to void (...)*) 34define weak void @weakfunc() { 35entry: 36 ret void 37} 38