diff options
Diffstat (limited to 'llvm/test/LTO/X86/symver-asm.ll')
| -rw-r--r-- | llvm/test/LTO/X86/symver-asm.ll | 43 |
1 files changed, 37 insertions, 6 deletions
diff --git a/llvm/test/LTO/X86/symver-asm.ll b/llvm/test/LTO/X86/symver-asm.ll index 03dda2bedd9..0b0b3334896 100644 --- a/llvm/test/LTO/X86/symver-asm.ll +++ b/llvm/test/LTO/X86/symver-asm.ll @@ -1,16 +1,47 @@ ; RUN: llvm-as < %s >%t1 -; RUN: llvm-lto -o %t2 %t1 +; RUN: llvm-lto -exported-symbol=io_cancel_0_4 -exported-symbol=io_cancel_weak_0_4 -exported-symbol=foo -o %t2 %t1 ; RUN: llvm-nm %t2 | FileCheck %s +; RUN: llvm-lto2 -r %t1,io_cancel_0_4,plx -r %t1,io_cancel_0_4,plx -r %t1,io_cancel_local_0_4,plx -r %t1,io_cancel_weak_0_4,plx -r %t1,io_cancel_weak_0_4,plx -r %t1,io_cancel@@LIBAIO_0.4,plx -r %t1,io_cancel_weak@@LIBAIO_0.4,plx -r %t1,io_cancel_weak@@LIBAIO_0.4.1,plx -r %t1,foo,plx -r %t1,foo,plx -r %t1,foo@@VER1,plx -o %t3 %t1 -save-temps +; RUN: llvm-nm %t3.0 | FileCheck %s +; RUN: llvm-dis %t3.0.2.internalize.bc -o - | FileCheck %s --check-prefix=INTERN +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" module asm ".symver io_cancel_0_4,io_cancel@@LIBAIO_0.4" +module asm ".symver io_cancel_local_0_4,io_cancel_local@@LIBAIO_0.4" +module asm ".symver io_cancel_weak_0_4,io_cancel_weak@@LIBAIO_0.4" +; Ensure we handle case of same aliasee with two version aliases. +module asm ".symver io_cancel_weak_0_4,io_cancel_weak@@LIBAIO_0.4.1" +module asm ".symver foo,foo@@VER1" + +; Local values used in inline assembly must be specified on the +; llvm.compiler.used so they aren't incorrectly DCE'd during module linking. +@llvm.compiler.used = appending global [1 x i8*] [i8* bitcast (i32 ()* @io_cancel_local_0_4 to i8*)], section "llvm.metadata" -; Even without -exported-symbol, io_cancel_0_4 should be noticed by LTOModule's -; RecordStreamer, so it shouldn't get eliminated. However, the object file will -; contain the aliased symver as well as the original. define i32 @io_cancel_0_4() { -; CHECK: io_cancel@@LIBAIO_0.4 -; CHECK: io_cancel_0_4 +; CHECK-DAG: T io_cancel@@LIBAIO_0.4 +; CHECK-DAG: T io_cancel_0_4 + ret i32 0 +} + +define internal i32 @io_cancel_local_0_4() { +; INTERN: llvm.compiler.used {{.*}} @io_cancel_local_0_4 +; INTERN: define internal i32 @io_cancel_local_0_4() +; CHECK-DAG: t io_cancel_local@@LIBAIO_0.4 +; CHECK-DAG: t io_cancel_local_0_4 + ret i32 0 +} + +define weak i32 @io_cancel_weak_0_4() { +; CHECK-DAG: W io_cancel_weak@@LIBAIO_0.4 +; CHECK-DAG: W io_cancel_weak@@LIBAIO_0.4.1 +; CHECK-DAG: W io_cancel_weak_0_4 +ret i32 0 +} + +define i32 @"\01foo"() { +; CHECK-DAG: T foo@@VER1 +; CHECK-DAG: T foo ret i32 0 } |
