| ; RUN: llvm-as < %s >%t1 |
| ; RUN: llvm-lto -o %t2 %t1 |
| ; RUN: llvm-nm %t2 | FileCheck %s -check-prefix=NOEXPORT |
| ; RUN: llvm-lto -o %t3 -exported-symbol=main %t1 |
| ; RUN: llvm-nm %t3 | FileCheck %s -check-prefix=EXPORT |
| |
| 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" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| module asm ".text" |
| module asm ".align 16, 0x90" |
| module asm ".type PR14512, @function" |
| module asm "PR14512:.cfi_startproc" |
| module asm "ret" |
| module asm ".cfi_endproc" |
| |
| declare void @PR14512() |
| |
| ; Without -exported-symbol, main should be eliminated by LTO. |
| ; With -exported-symbol=main, main should be preserved by LTO. |
| define i32 @main(i32 %argc, i8** %argv) { |
| ; NOEXPORT-NOT: main |
| ; EXPORT: main |
| call void @PR14512() |
| ret i32 0 |
| } |
| |
| ; RUN: llvm-lto -o %t -dso-symbol=zed1 -dso-symbol=zed2 %t1 -disable-opt |
| ; RUN: llvm-nm %t | FileCheck %s -check-prefix=ZED1_AND_ZED2 |
| ; ZED1_AND_ZED2: V zed1 |
| @zed1 = linkonce_odr global i32 42 |
| define i32* @get_zed1() { |
| ret i32* @zed1 |
| } |
| |
| ; ZED1_AND_ZED2: d zed2 |
| @zed2 = linkonce_odr unnamed_addr global i32 42 |