1*9880d681SAndroid Build Coastguard Worker; RUN: llvm-as < %s >%t1 2*9880d681SAndroid Build Coastguard Worker; RUN: llvm-lto -o %t2 %t1 3*9880d681SAndroid Build Coastguard Worker; RUN: llvm-nm %t2 | FileCheck %s -check-prefix=NOEXPORT 4*9880d681SAndroid Build Coastguard Worker; RUN: llvm-lto -o %t3 -exported-symbol=main %t1 5*9880d681SAndroid Build Coastguard Worker; RUN: llvm-nm %t3 | FileCheck %s -check-prefix=EXPORT 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 8*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu" 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workermodule asm ".text" 11*9880d681SAndroid Build Coastguard Workermodule asm ".align 16, 0x90" 12*9880d681SAndroid Build Coastguard Workermodule asm ".type PR14512, @function" 13*9880d681SAndroid Build Coastguard Workermodule asm "PR14512:.cfi_startproc" 14*9880d681SAndroid Build Coastguard Workermodule asm "ret" 15*9880d681SAndroid Build Coastguard Workermodule asm ".cfi_endproc" 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerdeclare void @PR14512() 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Worker; Without -exported-symbol, main should be eliminated by LTO. 20*9880d681SAndroid Build Coastguard Worker; With -exported-symbol=main, main should be preserved by LTO. 21*9880d681SAndroid Build Coastguard Workerdefine i32 @main(i32 %argc, i8** %argv) { 22*9880d681SAndroid Build Coastguard Worker; NOEXPORT-NOT: main 23*9880d681SAndroid Build Coastguard Worker; EXPORT: main 24*9880d681SAndroid Build Coastguard Worker call void @PR14512() 25*9880d681SAndroid Build Coastguard Worker ret i32 0 26*9880d681SAndroid Build Coastguard Worker} 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Worker; RUN: llvm-lto -o %t -dso-symbol=zed1 -dso-symbol=zed2 %t1 -O0 29*9880d681SAndroid Build Coastguard Worker; RUN: llvm-nm %t | FileCheck %s -check-prefix=ZED1_AND_ZED2 30*9880d681SAndroid Build Coastguard Worker; ZED1_AND_ZED2: V zed1 31*9880d681SAndroid Build Coastguard Worker@zed1 = linkonce_odr global i32 42 32*9880d681SAndroid Build Coastguard Workerdefine i32* @get_zed1() { 33*9880d681SAndroid Build Coastguard Worker ret i32* @zed1 34*9880d681SAndroid Build Coastguard Worker} 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Worker; ZED1_AND_ZED2: r zed2 37*9880d681SAndroid Build Coastguard Worker@zed2 = linkonce_odr unnamed_addr constant i32 42 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Workerdefine i32 @useZed2() { 40*9880d681SAndroid Build Coastguard Worker %x = load i32, i32* @zed2 41*9880d681SAndroid Build Coastguard Worker ret i32 %x 42*9880d681SAndroid Build Coastguard Worker} 43