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
7 ; FIXME: we can now build LTO on windows, debug why this fails.
10 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"
11 target triple = "x86_64-unknown-linux-gnu"
14 module asm ".align 16, 0x90"
15 module asm ".type PR14512, @function"
16 module asm "PR14512:.cfi_startproc"
18 module asm ".cfi_endproc"
20 declare void @PR14512()
22 ; Without -exported-symbol, main should be eliminated by LTO.
23 ; With -exported-symbol=main, main should be preserved by LTO.
24 define i32 @main(i32 %argc, i8** %argv) {
31 ; RUN: llvm-lto -o %t -dso-symbol=zed1 -dso-symbol=zed2 %t1 -disable-opt
32 ; RUN: llvm-nm %t | FileCheck %s -check-prefix=ZED1_AND_ZED2
33 ; ZED1_AND_ZED2: V zed1
34 @zed1 = linkonce_odr global i32 42
36 ; ZED1_AND_ZED2: d zed2
37 @zed2 = linkonce_odr unnamed_addr global i32 42