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1; RUN: opt -module-summary %s -o %t1.bc2; RUN: opt -module-summary %p/Inputs/index-const-prop-alias.ll -o %t2.bc3; RUN: llvm-lto2 run %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,ret_ptr,pl -r=%t1.bc,g.alias,l -r=%t1.bc,g,l \4; RUN: %t2.bc -r=%t2.bc,g,pl -r=%t2.bc,g.alias,pl -save-temps -o %t35; RUN: llvm-dis %t3.1.3.import.bc -o - | FileCheck %s --check-prefix=IMPORT6; RUN: llvm-dis %t3.1.5.precodegen.bc -o - | FileCheck %s --check-prefix=CODEGEN7 8; When ret_ptr is preserved we return pointer to alias, so we can't internalize aliasee9; RUN: llvm-lto2 run %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,ret_ptr,plx -r=%t1.bc,g.alias,l -r=%t1.bc,g,l \10; RUN: %t2.bc -r=%t2.bc,g,pl -r=%t2.bc,g.alias,pl -save-temps -o %t411; RUN: llvm-dis %t4.1.3.import.bc -o - | FileCheck %s --check-prefix=PRESERVED12 13; When g.alias is preserved we can't internalize aliasee either14; RUN: llvm-lto2 run %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,ret_ptr,pl -r=%t1.bc,g.alias,l -r=%t1.bc,g,l \15; RUN: %t2.bc -r=%t2.bc,g,pl -r=%t2.bc,g.alias,plx -save-temps -o %t516; RUN: llvm-dis %t5.1.3.import.bc -o - | FileCheck %s --check-prefix=PRESERVED17 18; We currently don't support importing aliases19; IMPORT: @g.alias = external global i3220; IMPORT-NEXT: @g = internal global i32 42, align 4 #021; IMPORT: attributes #0 = { "thinlto-internalize" }22 23; CODEGEN: define dso_local noundef i32 @main24; CODEGEN-NEXT: ret i32 4225 26; PRESERVED: @g.alias = external global i3227; PRESERVED-NEXT: @g = available_externally global i32 42, align 428 29target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"30target triple = "x86_64-unknown-linux-gnu"31 32@g.alias = external global i3233@g = external global i3234 35define i32 @main() {36 %v = load i32, ptr @g37 ret i32 %v38}39 40define ptr @ret_ptr() {41 ret ptr @g.alias42}43