forked from OSchip/llvm-project
28 lines
1.0 KiB
LLVM
28 lines
1.0 KiB
LLVM
; RUN: opt -module-summary %s -o %t1.bc
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; RUN: opt -module-summary %p/Inputs/index-const-prop-linkage.ll -o %t2.bc
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; RUN: llvm-lto2 run -save-temps %t2.bc -r=%t2.bc,foo,pl -r=%t2.bc,g1,pl -r=%t2.bc,g2,pl -r=%t2.bc,g3, \
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; RUN: %t1.bc -r=%t1.bc,foo, -r=%t1.bc,main,plx -r=%t1.bc,g2, -o %t3
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; RUN: llvm-dis %t3.2.3.import.bc -o - | FileCheck %s
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; Check that we never internalize anything with:
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; - appending linkage
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; - common linkage
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; - available_externally linkage
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; - reference from @llvm.used
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; CHECK: @llvm.used = appending global [1 x i32*] [i32* @g2]
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; CHECK-NEXT: @g1 = external dso_local global i32, align 4
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; CHECK-NEXT: @g2 = available_externally dso_local global i32 42, align 4
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; CHECK-NEXT: @g3 = available_externally global i32 42, align 4
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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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declare i32 @foo()
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@g2 = external global i32
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@llvm.used = appending global [1 x i32*] [i32* @g2]
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define i32 @main() {
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%v = call i32 @foo()
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ret i32 %v
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}
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