; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode/modules/juce_audio_formats/codecs/oggvorbis (open)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%struct.OggVorbis_File = type { ptr, i32, i64, i64, %struct.ogg_sync_state, i32, ptr, ptr, ptr, ptr, ptr, ptr, i64, i32, i64, i32, double, double, %struct.ogg_stream_state, %struct.vorbis_dsp_state, %struct.vorbis_block, %struct.ov_callbacks }
%struct.ogg_sync_state = type { ptr, i32, i32, i32, i32, i32, i32 }
%struct.ogg_stream_state = type { ptr, i64, i64, i64, ptr, ptr, i64, i64, i64, i64, [282 x i8], i32, i32, i32, i64, i64, i64, i64 }
%struct.vorbis_dsp_state = type { i32, ptr, ptr, ptr, i32, i32, i32, i32, i32, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, ptr }
%struct.vorbis_block = type { ptr, %struct.oggpack_buffer, i64, i64, i64, i32, i32, i32, i64, i64, ptr, ptr, i64, i64, i64, ptr, i64, i64, i64, i64, ptr }
%struct.oggpack_buffer = type { i64, i32, ptr, ptr, i64 }
%struct.ov_callbacks = type { ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
declare hidden i32 @_ov_open2(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @ov_test_open(ptr noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.OggVorbis_File, ptr %4, i32 0, i32 13
  %6 = load i32, ptr %5, align 8, !tbaa !9
  %7 = icmp ne i32 %6, 1
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  store i32 -131, ptr %2, align 4
  br label %12

9:                                                ; preds = %1
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = call i32 @_ov_open2(ptr noundef %10)
  store i32 %11, ptr %2, align 4
  br label %12

12:                                               ; preds = %9, %8
  %13 = load i32, ptr %2, align 4
  ret i32 %13
}

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 128}
!10 = !{!"OggVorbis_File", !6, i64 0, !11, i64 8, !12, i64 16, !12, i64 24, !13, i64 32, !11, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96, !6, i64 104, !6, i64 112, !12, i64 120, !11, i64 128, !12, i64 136, !11, i64 144, !14, i64 152, !14, i64 160, !15, i64 168, !16, i64 576, !17, i64 720, !19, i64 912}
!11 = !{!"int", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!"", !6, i64 0, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28}
!14 = !{!"double", !7, i64 0}
!15 = !{!"", !6, i64 0, !12, i64 8, !12, i64 16, !12, i64 24, !6, i64 32, !6, i64 40, !12, i64 48, !12, i64 56, !12, i64 64, !12, i64 72, !7, i64 80, !11, i64 364, !11, i64 368, !11, i64 372, !12, i64 376, !12, i64 384, !12, i64 392, !12, i64 400}
!16 = !{!"vorbis_dsp_state", !11, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !11, i64 32, !11, i64 36, !11, i64 40, !11, i64 44, !11, i64 48, !12, i64 56, !12, i64 64, !12, i64 72, !12, i64 80, !12, i64 88, !12, i64 96, !12, i64 104, !12, i64 112, !12, i64 120, !12, i64 128, !6, i64 136}
!17 = !{!"vorbis_block", !6, i64 0, !18, i64 8, !12, i64 48, !12, i64 56, !12, i64 64, !11, i64 72, !11, i64 76, !11, i64 80, !12, i64 88, !12, i64 96, !6, i64 104, !6, i64 112, !12, i64 120, !12, i64 128, !12, i64 136, !6, i64 144, !12, i64 152, !12, i64 160, !12, i64 168, !12, i64 176, !6, i64 184}
!18 = !{!"", !12, i64 0, !11, i64 8, !6, i64 16, !6, i64 24, !12, i64 32}
!19 = !{!"", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: nounwind uwtable
declare hidden i32 @_ov_open2(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @ov_test_open(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 128
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %.not = icmp eq i32 %3, 1
  br i1 %.not, label %4, label %6

4:                                                ; preds = %1
  %5 = tail call i32 @_ov_open2(ptr noundef nonnull %0)
  br label %6

6:                                                ; preds = %1, %4
  %.0 = phi i32 [ %5, %4 ], [ -131, %1 ]
  ret i32 %.0
}

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !10, i64 128}
!6 = !{!"OggVorbis_File", !7, i64 0, !10, i64 8, !11, i64 16, !11, i64 24, !12, i64 32, !10, i64 64, !7, i64 72, !7, i64 80, !7, i64 88, !7, i64 96, !7, i64 104, !7, i64 112, !11, i64 120, !10, i64 128, !11, i64 136, !10, i64 144, !13, i64 152, !13, i64 160, !14, i64 168, !15, i64 576, !16, i64 720, !18, i64 912}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!"", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28}
!13 = !{!"double", !8, i64 0}
!14 = !{!"", !7, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !7, i64 32, !7, i64 40, !11, i64 48, !11, i64 56, !11, i64 64, !11, i64 72, !8, i64 80, !10, i64 364, !10, i64 368, !10, i64 372, !11, i64 376, !11, i64 384, !11, i64 392, !11, i64 400}
!15 = !{!"vorbis_dsp_state", !10, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !10, i64 32, !10, i64 36, !10, i64 40, !10, i64 44, !10, i64 48, !11, i64 56, !11, i64 64, !11, i64 72, !11, i64 80, !11, i64 88, !11, i64 96, !11, i64 104, !11, i64 112, !11, i64 120, !11, i64 128, !7, i64 136}
!16 = !{!"vorbis_block", !7, i64 0, !17, i64 8, !11, i64 48, !11, i64 56, !11, i64 64, !10, i64 72, !10, i64 76, !10, i64 80, !11, i64 88, !11, i64 96, !7, i64 104, !7, i64 112, !11, i64 120, !11, i64 128, !11, i64 136, !7, i64 144, !11, i64 152, !11, i64 160, !11, i64 168, !11, i64 176, !7, i64 184}
!17 = !{!"", !11, i64 0, !10, i64 8, !7, i64 16, !7, i64 24, !11, i64 32}
!18 = !{!"", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass