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1; Ensure that we don't emit available_externally functions at -O2, unless2; -flto is present in which case we should preserve them for link-time inlining3; decisions.4; RUN: opt < %s -S -passes='default<O2>' | FileCheck %s5; RUN: opt < %s -S -passes='lto-pre-link<O2>' | FileCheck %s --check-prefix=LTO6 7@x = common local_unnamed_addr global i32 0, align 48 9define void @test() local_unnamed_addr #0 {10entry:11 tail call void @f0(i32 17)12 ret void13}14 15; CHECK: declare void @f0(i32)16; LTO: define available_externally void @f0(i32 %y)17define available_externally void @f0(i32 %y) local_unnamed_addr #0 {18entry:19 store i32 %y, ptr @x, align 420 ret void21}22 23attributes #0 = { noinline }24