File: remove-metadata.ll

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llvm-toolchain-21 1%3A21.1.6-3
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; Test that llvm-reduce can remove uninteresting metadata from an IR file.
; The Metadata pass erases named & unnamed metadata nodes.
;
; RUN: llvm-reduce -abort-on-invalid-reduction --aggressive-named-md-reduction --test %python --test-arg %p/Inputs/remove-metadata.py %s -o %t
; RUN: FileCheck --check-prefixes=AGGRESSIVE --implicit-check-not=! %s < %t

; RUN: llvm-reduce -abort-on-invalid-reduction --test %python --test-arg %p/Inputs/remove-metadata.py %s -o %t
; RUN: FileCheck --implicit-check-not=! %s < %t

@global = global i32 0, !dbg !0

define void @main() !dbg !0 {
   ret void, !dbg !0
}

!uninteresting = !{!0}
; AGGRESSIVE: !interesting = !{}
; CHECK: !interesting = !{!0}
!interesting = !{!1}

!0 = !{!"uninteresting"}
; CHECK: !0 = !{!"interesting"}
!1 = !{!"interesting"}