1; Ensure that we don't emit available_externally functions at -O2, unless
2; -flto is present in which case we should preserve them for link-time inlining
3; decisions.
4; RUN: opt < %s -S -passes='default<O2>' | FileCheck %s
5; RUN: opt < %s -S -passes='lto-pre-link<O2>' | FileCheck %s --check-prefix=LTO
6
7@x = common local_unnamed_addr global i32 0, align 4
8
9define void @test() local_unnamed_addr #0 {
10entry:
11  tail call void @f0(i32 17)
12  ret void
13}
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, i32* @x, align 4
20  ret void
21}
22
23attributes #0 = { noinline }
24