1; RUN: opt -module-summary %s -o %t1.bc 2; RUN: opt -module-summary %p/Inputs/index-const-prop-gvref.ll -o %t2.bc 3; RUN: llvm-lto2 run -save-temps %t2.bc -r=%t2.bc,b,pl -r=%t2.bc,a,pl \ 4; RUN: %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,a, -r=%t1.bc,b, -o %t3 5; RUN: llvm-dis %t3.1.3.import.bc -o - | FileCheck %s --check-prefix=SRC 6; RUN: llvm-dis %t3.2.3.import.bc -o - | FileCheck %s --check-prefix=DEST 7 8; No variable in the source module should have been internalized 9; SRC: @b = dso_local global i32* @a 10; SRC-NEXT: @a = dso_local global i32 42 11 12; We can't internalize globals referenced by other live globals 13; DEST: @b = external dso_local global i32* 14; DEST-NEXT: @a = available_externally dso_local global i32 42, align 4 15 16target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 17target triple = "x86_64-unknown-linux-gnu" 18 19@a = external global i32 20@b = external global i32* 21 22define i32 @main() { 23 %p = load i32*, i32** @b, align 8 24 store i32 33, i32* %p, align 4 25 %v = load i32, i32* @a, align 4 26 ret i32 %v 27} 28