1bf46e741SEugene Leviant; RUN: opt -module-summary %s -o %t1.bc 2bf46e741SEugene Leviant; RUN: opt -module-summary %p/Inputs/index-const-prop-linkage.ll -o %t2.bc 3bf46e741SEugene Leviant; RUN: llvm-lto2 run -save-temps %t2.bc -r=%t2.bc,foo,pl -r=%t2.bc,g1,pl -r=%t2.bc,g2,pl -r=%t2.bc,g3, \ 4bf46e741SEugene Leviant; RUN: %t1.bc -r=%t1.bc,foo, -r=%t1.bc,main,plx -r=%t1.bc,g2, -o %t3 5bf46e741SEugene Leviant; RUN: llvm-dis %t3.2.3.import.bc -o - | FileCheck %s 6bf46e741SEugene Leviant 7bf46e741SEugene Leviant; Check that we never internalize anything with: 8bf46e741SEugene Leviant; - appending linkage 9bf46e741SEugene Leviant; - common linkage 10bf46e741SEugene Leviant; - available_externally linkage 11bf46e741SEugene Leviant; - reference from @llvm.used 12850d53a1SMatthias Braun; CHECK: @llvm.used = appending global [1 x ptr] [ptr @g2] 13252a1eecSFangrui Song; CHECK-NEXT: @g1 = external global i32, align 4 14d2ef8c1fSFangrui Song; CHECK-NEXT: @g2 = available_externally global i32 42, align 4 15bf46e741SEugene Leviant; CHECK-NEXT: @g3 = available_externally global i32 42, align 4 16bf46e741SEugene Leviant 177b1d7937SAmy Huangtarget datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 18bf46e741SEugene Levianttarget triple = "x86_64-unknown-linux-gnu" 19bf46e741SEugene Leviant 20bf46e741SEugene Leviantdeclare i32 @foo() 21bf46e741SEugene Leviant@g2 = external global i32 22*d5d3eb16SFangrui Song@llvm.used = appending global [1 x ptr] [ptr @g2] 23bf46e741SEugene Leviant 24bf46e741SEugene Leviantdefine i32 @main() { 25bf46e741SEugene Leviant %v = call i32 @foo() 26bf46e741SEugene Leviant ret i32 %v 27bf46e741SEugene Leviant} 28