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c1f737b153
GlobalOpt is already dead-code-eliminating global definitions. With this change it also takes care of declarations. Hopefully this should make it now a strict superset of GlobalDCE. This is important for LTO/ThinLTO as we don't want the linker to see "undefined reference" when it processes the input files: it could prevent proper internalization (or even load an extra file from a static archive, changing the behavior of the program!). llvm-svn: 281653
8 lines
123 B
LLVM
8 lines
123 B
LLVM
; RUN: opt < %s -globalopt -S | FileCheck %s
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; CHECK-NOT: aa
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; CHECK-NOT: bb
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declare void @aa()
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@bb = external global i8
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