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1; RUN: opt -module-summary %s -o %t1.bc2; RUN: opt -module-summary %p/Inputs/index-const-prop-define-g.ll -o %t2.bc3; RUN: llvm-lto2 run -save-temps %t2.bc -r=%t2.bc,g,pl \4; RUN: %t1.bc -r=%t1.bc,main,plx -r=%t1.bc,foo,pl -r=%t1.bc,g, -o %t35; RUN: llvm-dis %t3.2.3.import.bc -o - | FileCheck %s6 7; Dead globals are converted to declarations by ThinLTO in dropDeadSymbols8; If we try to internalize such we'll get a broken module. 9; CHECK: @g = external global i3210 11target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"12target triple = "x86_64-unknown-linux-gnu"13 14@g = external global i3215 16; We need at least one live symbol to enable dead stripping17; Otherwise ModuleSummaryIndex::isGlobalValueLive will always18; return true.19define i32 @main() {20 ret i32 4221}22 23define i32 @foo() {24 %v = load i32, ptr @g25 ret i32 %v26}27