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When we're linking an alias which will be defined later, we neeed to build a GlobalAlias, or else we'll crash later in IRLinker::linkGlobalValueBody. clang sometimes constructs aliases like this for C++ destructors. Differential Revision: https://reviews.llvm.org/D49316 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337053 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
909 B
LLVM
28 lines
909 B
LLVM
; RUN: llvm-as %s -o %t1.o
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; RUN: llvm-as %p/Inputs/alias-alias-1.ll -o %t2.o
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; RUN: llvm-lto2 run -o %t3.o %t1.o %t2.o -r %t2.o,a, -r %t2.o,d,px -r %t1.o,a,p -r %t1.o,c,p -r %t1.o,b -save-temps
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; RUN: llvm-dis < %t3.o.0.0.preopt.bc -o - | FileCheck %s
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; RUN: FileCheck --check-prefix=RES %s < %t3.o.resolution.txt
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; CHECK-NOT: alias
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; CHECK: @c = global i32 1
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; CHECK-NEXT: @d = global i32* @a
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; CHECK-EMPTY:
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; CHECK-NEXT: @a = weak alias i32, i32* @b
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; CHECK-NEXT: @b = internal alias i32, i32* @c
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; RES: 1.o{{$}}
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; RES-NEXT: {{^}}-r={{.*}}1.o,c,p{{$}}
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; RES-NEXT: {{^}}-r={{.*}}1.o,a,p{{$}}
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; RES-NEXT: {{^}}-r={{.*}}1.o,b,{{$}}
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; RES-NEXT: 2.o{{$}}
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; RES-NEXT: {{^}}-r={{.*}}2.o,a,{{$}}
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; RES-NEXT: {{^}}-r={{.*}}2.o,d,px{{$}}
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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-unknown-linux-gnu"
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@a = weak alias i32, i32* @b
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@b = alias i32, i32* @c
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@c = global i32 1
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