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38f68c5a2e
Representing dllexport/dllimport as distinct linkage types prevents using
these attributes on templates and inline functions.
Instead of introducing further mixed linkage types to include linkonce and
weak ODR, the old import/export linkage types are replaced with a new
separate visibility-like specifier:
define available_externally dllimport void @f() {}
@Var = dllexport global i32 1, align 4
Linkage for dllexported globals and functions is now equal to their linkage
without dllexport. Imported globals and functions must be either
declarations with external linkage, or definitions with
AvailableExternallyLinkage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199218 91177308-0d34-0410-b5e6-96231b3b80d8
129 lines
3.1 KiB
LLVM
129 lines
3.1 KiB
LLVM
; RUN: llvm-dis < %s.bc| FileCheck %s
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; linkage-types-3.2.ll.bc was generated by passing this file to llvm-as-3.2
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; The test checks that LLVM does not silently misread linkage types of
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; older bitcode files.
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@common.var = common global i32 0
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; CHECK: @common.var = common global i32 0
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@appending.var = appending global [8 x i32] undef
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; CHECK: @appending.var = appending global [8 x i32] undef
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@extern_weak.var = extern_weak global i32
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; CHECK: @extern_weak.var = extern_weak global i32
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@private.var = private constant i32 0
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; CHECK: @private.var = private constant i32 0
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@linker_private.var = linker_private constant i32 0
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; CHECK: @linker_private.var = linker_private constant i32 0
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@linker_private_weak.var = linker_private_weak constant i32 0
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; CHECK: @linker_private_weak.var = linker_private_weak constant i32 0
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@linker_private_weak_def_auto.var = linker_private_weak_def_auto constant i32 0
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; CHECK: @linker_private_weak_def_auto.var = constant i32 0
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@internal.var = internal constant i32 0
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; CHECK: @internal.var = internal constant i32 0
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@available_externally.var = available_externally constant i32 0
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; CHECK: @available_externally.var = available_externally constant i32 0
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@linkonce.var = linkonce constant i32 0
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; CHECK: @linkonce.var = linkonce constant i32 0
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@weak.var = weak constant i32 0
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; CHECK: @weak.var = weak constant i32 0
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@linkonce_odr.var = linkonce_odr constant i32 0
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; CHECK: @linkonce_odr.var = linkonce_odr constant i32 0
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@linkonce_odr_auto_hide.var = linkonce_odr_auto_hide constant i32 0
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; CHECK: @linkonce_odr_auto_hide.var = constant i32 0
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@external.var = external constant i32
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; CHECK: @external.var = external constant i32
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@dllexport.var = dllexport global i32 0
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; CHECK: @dllexport.var = dllexport global i32 0
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@dllimport.var = dllimport global i32
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; CHECK: @dllimport.var = external dllimport global i32
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define private void @private()
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; CHECK: define private void @private
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{
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ret void;
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}
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define linker_private void @linker_private()
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; CHECK: define linker_private void @linker_private
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{
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ret void;
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}
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define linker_private_weak void @linker_private_weak()
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; CHECK: define linker_private_weak void @linker_private_weak
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{
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ret void;
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}
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define linker_private_weak_def_auto void @linker_private_weak_def_auto()
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; CHECK: define void @linker_private_weak_def_auto
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{
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ret void;
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}
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define internal void @internal()
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; CHECK: define internal void @internal
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{
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ret void;
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}
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define available_externally void @available_externally()
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; CHECK: define available_externally void @available_externally
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{
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ret void;
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}
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define linkonce void @linkonce()
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; CHECK: define linkonce void @linkonce
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{
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ret void;
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}
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define weak void @weak()
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; CHECK: define weak void @weak
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{
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ret void;
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}
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define linkonce_odr void @linkonce_odr()
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; CHECK: define linkonce_odr void @linkonce_odr
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{
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ret void;
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}
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define linkonce_odr_auto_hide void @linkonce_odr_auto_hide()
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; CHECK: define void @linkonce_odr_auto_hide
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{
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ret void;
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}
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define external void @external()
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; CHECK: define void @external
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{
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ret void;
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}
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declare dllimport void @dllimport()
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; CHECK: declare dllimport void @dllimport
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define dllexport void @dllexport()
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; CHECK: define dllexport void @dllexport()
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{
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ret void;
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}
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