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1; RUN: opt -module-summary %s -o %t1.bc2; RUN: opt -module-summary %p/Inputs/internalize.ll -o %t2.bc3; Link in %t2.bc first to force its copy of @weak_func_nonprevailing as4; prevailing the %t1.bc copy as non-prevailing.5; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t2.bc %t1.bc6; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=REGULAR7; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc -o - --exported-symbol=_foo | llvm-dis -o - | FileCheck %s --check-prefix=INTERNALIZE8 9; Test the enable-lto-internalization option by setting it to false.10; This makes sure indices are not marked as internallinkage and therefore11; internalization does not happen.12; RUN: llvm-lto -thinlto-action=internalize -thinlto-index %t.index.bc %t1.bc \13; RUN: -enable-lto-internalization=false --exported-symbol=_foo14; RUN: llvm-dis < %t1.bc.thinlto.internalized.bc | FileCheck %s --check-prefix=INTERNALIZE-OPTION-DISABLE15 16; RUN: llvm-lto2 run %t1.bc -o %t.o -save-temps \17; RUN: -r=%t1.bc,_foo,pxl \18; RUN: -r=%t1.bc,_bar,pl \19; RUN: -r=%t1.bc,_linkonce_func,pl \20; RUN: -r=%t1.bc,_weak_func_prevailing,pl \21; RUN: -r=%t1.bc,_alias1,plx \22; RUN: -r=%t1.bc,_weak_func_nonprevailing,l23; RUN: llvm-dis < %t.o.1.2.internalize.bc | FileCheck %s --check-prefix=INTERNALIZE224 25; Test the enable-lto-internalization option by setting it to false.26; This makes sure indices are not marked as internallinkage and therefore27; internalization does not happen.28; RUN: llvm-lto2 run %t1.bc -o %t.o -save-temps -enable-lto-internalization=false \29; RUN: -r=%t1.bc,_foo,pxl \30; RUN: -r=%t1.bc,_bar,pl \31; RUN: -r=%t1.bc,_linkonce_func,pl \32; RUN: -r=%t1.bc,_weak_func_prevailing,pl \33; RUN: -r=%t1.bc,_alias1,plx \34; RUN: -r=%t1.bc,_weak_func_nonprevailing,l35; RUN: llvm-dis < %t.o.1.2.internalize.bc | FileCheck %s --check-prefix=INTERNALIZE2-OPTION-DISABLE36 37; REGULAR: define void @foo38; REGULAR: define void @bar39; REGULAR: define linkonce void @linkonce_func()40; INTERNALIZE: define void @foo41; INTERNALIZE: define internal void @bar42; INTERNALIZE: define internal void @linkonce_func()43; INTERNALIZE: define internal void @weak_func_prevailing()44; INTERNALIZE: define weak void @weak_func_nonprevailing()45; INTERNALIZE-OPTION-DISABLE: define void @foo46; INTERNALIZE-OPTION-DISABLE: define void @bar47; INTERNALIZE-OPTION-DISABLE: define weak void @linkonce_func()48; INTERNALIZE-OPTION-DISABLE: define weak void @weak_func_prevailing()49; INTERNALIZE-OPTION-DISABLE: define weak void @weak_func_nonprevailing()50; INTERNALIZE2: define dso_local void @foo51; INTERNALIZE2: define internal void @bar52; INTERNALIZE2: define internal void @linkonce_func()53; INTERNALIZE2: define internal void @weak_func_prevailing()54; INTERNALIZE2: define weak dso_local void @weak_func_nonprevailing()55; INTERNALIZE2-OPTION-DISABLE: define dso_local void @foo56; INTERNALIZE2-OPTION-DISABLE: define dso_local void @bar57; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @linkonce_func()58; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @weak_func_prevailing()59; INTERNALIZE2-OPTION-DISABLE: define weak dso_local void @weak_func_nonprevailing()60 61target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"62target triple = "x86_64-apple-macosx10.11.0"63 64define void @foo() {65 call void @bar()66 ret void67}68define void @bar() {69 call void @linkonce_func()70 call void @weak_func_prevailing()71 call void @weak_func_nonprevailing()72 ret void73}74define linkonce void @linkonce_func() {75 ret void76}77define weak void @weak_func_prevailing() {78 ret void79}80; Make @weak_func_nonprevailing an aliasee to ensure it is still marked81; live and kept as a definition even when non-prevailing. We want to ensure82; this definition is not internalized.83@alias1 = hidden alias void (), ptr @weak_func_nonprevailing84define weak void @weak_func_nonprevailing() {85 ret void86}87