diff options
Diffstat (limited to 'test/LTO/X86/cfi_endproc.ll')
-rw-r--r-- | test/LTO/X86/cfi_endproc.ll | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/LTO/X86/cfi_endproc.ll b/test/LTO/X86/cfi_endproc.ll new file mode 100644 index 0000000..1a69bf6 --- /dev/null +++ b/test/LTO/X86/cfi_endproc.ll @@ -0,0 +1,42 @@ +; 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 + +define i32 @useZed2() { + %x = load i32* @zed2 + ret i32 %x +} |