forked from OSchip/llvm-project
34 lines
879 B
LLVM
34 lines
879 B
LLVM
; Test to ensure that non-prevailing weak aliasee is kept as a weak definition
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; when the alias is not dead.
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; RUN: opt -module-summary %s -o %t1.bc
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; RUN: llvm-lto2 run %t1.bc \
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; RUN: -r=%t1.bc,__a,lx \
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; RUN: -r=%t1.bc,__b,l \
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; RUN: -r=%t1.bc,a,plx \
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; RUN: -r=%t1.bc,b,pl \
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; RUN: -o %t2.o -save-temps
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; Check that __a is kept as a weak def. __b can be dropped since its alias is
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; not live and will also be dropped.
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; RUN: llvm-dis %t2.o.1.1.promote.bc -o - | FileCheck %s
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; CHECK: define weak hidden void @__a
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; CHECK: declare hidden void @__b
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; CHECK: declare void @b
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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 = hidden alias void (), void ()* @__a
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define weak hidden void @__a() {
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entry:
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ret void
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}
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@b = hidden alias void (), void ()* @__b
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define weak hidden void @__b() {
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entry:
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ret void
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}
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