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c00c4a1533
Summary: Previously, GlobalAlias::copyAttributesFrom did not preserve ThreadLocalMode, causing incorrect IR generation in IR linking flows. This patch pushes the code responsible for copying this attribute from GlobalVariable::copyAttributesFrom down to GlobalValue::copyAttributesFrom so that it is shared by GlobalAlias. Fixes PR46297. Reviewers: tejohnson, pcc, hans Reviewed By: tejohnson, hans Subscribers: hiraditya, ibookstein, dexonsmith, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D81605
10 lines
338 B
LLVM
10 lines
338 B
LLVM
; RUN: llvm-link %s %p/Inputs/alias-threadlocal-defs.ll -S -o - | FileCheck %s
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; PR46297
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; Verify that linking GlobalAliases preserves the thread_local attribute
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; CHECK: @tlsvar1 = thread_local global i32 0, align 4
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; CHECK: @tlsvar2 = hidden thread_local alias i32, i32* @tlsvar1
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@tlsvar2 = external thread_local global i32, align 4
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