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44 lines
2.1 KiB
LLVM
44 lines
2.1 KiB
LLVM
; Test that linkonce_odr and weak_odr variables which are visible to regular
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; object (and so are not readonly) are not internalized by thin LTO.
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; RUN: opt -module-summary %s -o %t.bc
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; RUN: llvm-lto2 run -save-temps %t.bc -o %t.out \
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; RUN: -r=%t.bc,_ZL5initSv,plx \
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; RUN: -r=%t.bc,_ZN9SingletonI1SE11getInstanceEv,lx \
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; RUN: -r=%t.bc,_ZZN9SingletonI1SE11getInstanceEvE8instance,lx \
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; RUN: -r=%t.bc,_ZZN9SingletonI1SE11getInstanceEvE13instance_weak,lx
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; RUN: llvm-dis %t.out.1.1.promote.bc -o - | FileCheck %s
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; RUN: llvm-dis %t.out.1.2.internalize.bc -o - | FileCheck %s --check-prefix=INTERNALIZE
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; CHECK: @_ZZN9SingletonI1SE11getInstanceEvE8instance = available_externally dso_local global %struct.S zeroinitializer
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; CHECK: @_ZZN9SingletonI1SE11getInstanceEvE13instance_weak = available_externally dso_local global %struct.S* null, align 8
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; CHECK: define linkonce_odr dso_local dereferenceable(16) %struct.S* @_ZN9SingletonI1SE11getInstanceEv() comdat
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; INTERNALIZE: define internal dereferenceable(16) %struct.S* @_ZN9SingletonI1SE11getInstanceEv()
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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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%struct.S = type { i64, i64 }
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$_ZN9SingletonI1SE11getInstanceEv = comdat any
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$_ZZN9SingletonI1SE11getInstanceEvE8instance = comdat any
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$_ZZN9SingletonI1SE11getInstanceEvE13instance_weak = comdat any
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@_ZZN9SingletonI1SE11getInstanceEvE8instance = linkonce_odr dso_local global %struct.S zeroinitializer, comdat, align 8
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@_ZZN9SingletonI1SE11getInstanceEvE13instance_weak = weak_odr dso_local global %struct.S* null, comdat, align 8
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define dso_local void @_ZL5initSv() {
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%1 = call dereferenceable(16) %struct.S* @_ZN9SingletonI1SE11getInstanceEv()
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store %struct.S* %1, %struct.S** @_ZZN9SingletonI1SE11getInstanceEvE13instance_weak
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%2 = getelementptr inbounds %struct.S, %struct.S* %1, i32 0, i32 0
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store i64 1, i64* %2, align 8
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ret void
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}
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define linkonce_odr dso_local dereferenceable(16) %struct.S* @_ZN9SingletonI1SE11getInstanceEv() #0 comdat align 2 {
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ret %struct.S* @_ZZN9SingletonI1SE11getInstanceEvE8instance
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}
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