1 ; RUN: llvm-as < %s >%t1 2 ; RUN: llvm-lto -o %t2 %t1 3 ; RUN: llvm-nm %t2 | FileCheck %s -check-prefix=NOEXPORT 4 ; RUN: llvm-lto -o %t3 -exported-symbol=main %t1 5 ; RUN: llvm-nm %t3 | FileCheck %s -check-prefix=EXPORT 6 7 target 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 target triple = "x86_64-unknown-linux-gnu" 9 10 module asm ".text" 11 module asm ".align 16, 0x90" 12 module asm ".type PR14512, @function" 13 module asm "PR14512:.cfi_startproc" 14 module asm "ret" 15 module asm ".cfi_endproc" 16 17 declare void @PR14512() 18 19 ; Without -exported-symbol, main should be eliminated by LTO. 20 ; With -exported-symbol=main, main should be preserved by LTO. 21 define i32 @main(i32 %argc, i8** %argv) { 22 ; NOEXPORT-NOT: main 23 ; EXPORT: main 24 call void @PR14512() 25 ret i32 0 26 } 27 28 ; RUN: llvm-lto -o %t -dso-symbol=zed1 -dso-symbol=zed2 %t1 -disable-opt 29 ; RUN: llvm-nm %t | FileCheck %s -check-prefix=ZED1_AND_ZED2 30 ; ZED1_AND_ZED2: V zed1 31 @zed1 = linkonce_odr global i32 42 32 define i32* @get_zed1() { 33 ret i32* @zed1 34 } 35 36 ; ZED1_AND_ZED2: d zed2 37 @zed2 = linkonce_odr unnamed_addr global i32 42 38
