forked from OSchip/llvm-project
47 lines
1.4 KiB
LLVM
47 lines
1.4 KiB
LLVM
; REQUIRES: x86
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;; For non-relocatable output, test we parse symbol versions after LTO,
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;; otherwise we may get a symbol named "foo@@VER1", but not "foo" with the
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;; version VER1.
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; RUN: split-file %s %t
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; RUN: llvm-as %t/ir -o %t.o
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; RUN: llvm-mc -filetype=obj -triple=x86_64 %t/asm -o %tbar.o
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; RUN: ld.lld %tbar.o -shared --soname=tbar --version-script %t/ver -o %tbar.so
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;; Emit an error if bar@VER1 is not defined.
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; RUN: not ld.lld %t.o -o /dev/null -shared --version-script %t/ver 2>&1 | FileCheck %s --check-prefix=UNDEF
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; UNDEF: error: undefined symbol: bar@VER1
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; RUN: ld.lld %t.o %tbar.so -o %t.so -shared --version-script %t/ver
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; RUN: llvm-readelf --dyn-syms %t.so | FileCheck %s
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; CHECK: UND bar@VER1
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; CHECK-NEXT: {{[1-9]}} foo@@VER1
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;; For relocatable output, @ should be retained in the symbol name.
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;; Don't parse and drop `@VER1`. Also check that --version-script is ignored.
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; RUN: ld.lld %t.o -o %t.ro -r --version-script %t/ver
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; RUN: llvm-readelf -s %t.ro | FileCheck %s --check-prefix=RELOCATABLE
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; RELOCATABLE: {{[1-9]}} foo@@VER1
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; RELOCATABLE-NEXT: UND bar@VER1
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;--- ver
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VER1 {};
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;--- ir
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target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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module asm ".global foo"
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module asm "foo: call bar"
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module asm ".symver foo,foo@@@VER1"
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module asm ".symver bar,bar@@@VER1"
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;--- asm
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.globl bar
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.symver bar,bar@@@VER1
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bar:
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ret
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