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6986b2400c
This fixes CodeGen/available-externally-suppress.c when the new pass manager is turned on by default. available_externally was not emitted during -O2 -flto runs when it should still be retained for link time inlining purposes. This can be fixed by checking that we aren't LTOPrelinking when adding the EliminateAvailableExternallyPass. Differential Revision: https://reviews.llvm.org/D63580 llvm-svn: 363971
24 lines
687 B
LLVM
24 lines
687 B
LLVM
; Ensure that we don't emit available_externally functions at -O2, unless
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; -flto is present in which case we should preserve them for link-time inlining
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; decisions.
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; RUN: opt < %s -S -passes='default<O2>' | FileCheck %s
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; RUN: opt < %s -S -passes='lto-pre-link<O2>' | FileCheck %s --check-prefix=LTO
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@x = common local_unnamed_addr global i32 0, align 4
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define void @test() local_unnamed_addr #0 {
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entry:
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tail call void @f0(i32 17)
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ret void
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}
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; CHECK: declare void @f0(i32)
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; LTO: define available_externally void @f0(i32 %y)
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define available_externally void @f0(i32 %y) local_unnamed_addr #0 {
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entry:
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store i32 %y, i32* @x, align 4
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ret void
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}
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attributes #0 = { noinline }
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