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5d79e77524
This help to streamline the process of handling importing since we don't need to special case alias everywhere: just like linkonce_odr function, make sure at least one alias is emitted by turning it weak. Differential Revision: http://reviews.llvm.org/D19308 From: Mehdi Amini <mehdi.amini@apple.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266958 91177308-0d34-0410-b5e6-96231b3b80d8
51 lines
1.8 KiB
LLVM
51 lines
1.8 KiB
LLVM
; Do setup work for all below tests: generate bitcode and combined index
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; RUN: opt -module-summary %s -o %t.bc
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; RUN: opt -module-summary %p/Inputs/odr_resolution.ll -o %t2.bc
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; RUN: llvm-lto -thinlto-action=thinlink -o %t3.bc %t.bc %t2.bc
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; Verify that only one ODR is selected across modules, but non ODR are not affected.
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; RUN: llvm-lto -thinlto-action=promote %t.bc -thinlto-index=%t3.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=MOD1
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; RUN: llvm-lto -thinlto-action=promote %t2.bc -thinlto-index=%t3.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=MOD2
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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; Alias are resolved, but can't be turned into "available_externally"
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; MOD1: @linkoncealias = weak_odr alias void (), void ()* @linkonceodrfuncwithalias
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; MOD2: @linkoncealias = linkonce_odr alias void (), void ()* @linkonceodrfuncwithalias
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@linkoncealias = linkonce_odr alias void (), void ()* @linkonceodrfuncwithalias
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; Function with an alias are not optimized
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; MOD1: define linkonce_odr void @linkonceodrfuncwithalias()
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; MOD2: define linkonce_odr void @linkonceodrfuncwithalias()
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define linkonce_odr void @linkonceodrfuncwithalias() #0 {
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entry:
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ret void
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}
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; MOD1: define weak_odr void @linkonceodrfunc()
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; MOD2: define available_externally void @linkonceodrfunc()
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define linkonce_odr void @linkonceodrfunc() #0 {
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entry:
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ret void
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}
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; MOD1: define linkonce void @linkoncefunc()
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; MOD2: define linkonce void @linkoncefunc()
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define linkonce void @linkoncefunc() #0 {
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entry:
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ret void
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}
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; MOD1: define weak_odr void @weakodrfunc()
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; MOD2: define available_externally void @weakodrfunc()
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define weak_odr void @weakodrfunc() #0 {
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entry:
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ret void
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}
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; MOD1: define weak void @weakfunc()
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; MOD2: define weak void @weakfunc()
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define weak void @weakfunc() #0 {
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entry:
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ret void
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}
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