33 lines
1.5 KiB
LLVM
33 lines
1.5 KiB
LLVM
; This test ensures that when linkonce_odr + unnamed_addr symbols promoted to
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; weak symbols, it preserves the auto hide property when possible.
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; RUN: opt -module-summary %s -o %t.o
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; RUN: opt -module-summary %p/Inputs/linkonce_odr_unnamed_addr.ll -o %t2.o
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=save-temps \
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; RUN: %t.o %t2.o -o %t3.o
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; RUN: llvm-dis %t.o.1.promote.bc -o - | FileCheck %s
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; Now test when one module is a native object. In that case we must be
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; conservative and not auto hide.
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; RUN: llc %p/Inputs/linkonce_odr_unnamed_addr.ll -o %t2native.o -filetype=obj
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; RUN: %gold -plugin %llvmshlibdir/LLVMgold%shlibext \
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; RUN: -m elf_x86_64 \
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; RUN: --plugin-opt=save-temps \
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; RUN: %t.o %t2native.o -o %t3.o
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; RUN: llvm-dis %t.o.1.promote.bc -o - | FileCheck %s --check-prefix=NOSUMMARY
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-grtev4-linux-gnu"
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; In this case all copies are linkonce_odr, so it may be hidden.
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; CHECK: @linkonceodrunnamed = weak_odr hidden unnamed_addr constant i32 0
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; NOSUMMARY: @linkonceodrunnamed = weak_odr dso_local unnamed_addr constant i32 0
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@linkonceodrunnamed = linkonce_odr unnamed_addr constant i32 0
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; In this case, the other copy was weak_odr, so it may not be hidden.
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; CHECK: @odrunnamed = weak_odr dso_local unnamed_addr constant i32 0
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; NOSUMMARY: @odrunnamed = weak_odr dso_local unnamed_addr constant i32 0
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@odrunnamed = linkonce_odr unnamed_addr constant i32 0
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