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

; 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.ogg_page = type { ptr, i64, ptr, i64 }

; Function Attrs: nounwind uwtable
define dso_local i64 @ogg_page_pageno(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.ogg_page, ptr %3, i32 0, i32 0
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = getelementptr inbounds i8, ptr %5, i64 18
  %7 = load i8, ptr %6, align 1, !tbaa !12
  %8 = zext i8 %7 to i32
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.ogg_page, ptr %9, i32 0, i32 0
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = getelementptr inbounds i8, ptr %11, i64 19
  %13 = load i8, ptr %12, align 1, !tbaa !12
  %14 = zext i8 %13 to i32
  %15 = shl i32 %14, 8
  %16 = or i32 %8, %15
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.ogg_page, ptr %17, i32 0, i32 0
  %19 = load ptr, ptr %18, align 8, !tbaa !9
  %20 = getelementptr inbounds i8, ptr %19, i64 20
  %21 = load i8, ptr %20, align 1, !tbaa !12
  %22 = zext i8 %21 to i32
  %23 = shl i32 %22, 16
  %24 = or i32 %16, %23
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.ogg_page, ptr %25, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8, !tbaa !9
  %28 = getelementptr inbounds i8, ptr %27, i64 21
  %29 = load i8, ptr %28, align 1, !tbaa !12
  %30 = zext i8 %29 to i32
  %31 = shl i32 %30, 24
  %32 = or i32 %24, %31
  %33 = sext i32 %32 to i64
  ret i64 %33
}

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, !6, i64 0}
!10 = !{!"", !6, i64 0, !11, i64 8, !6, i64 16, !11, i64 24}
!11 = !{!"long", !7, i64 0}
!12 = !{!7, !7, i64 0}


; 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: mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local range(i64 -2147483648, 2147483648) i64 @ogg_page_pageno(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = load ptr, ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %2, i64 18
  %4 = load i32, ptr %3, align 1
  %5 = sext i32 %4 to i64
  ret i64 %5
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) 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, !7, i64 0}
!6 = !{!"", !7, i64 0, !10, i64 8, !7, i64 16, !10, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}


; Effective O3 passes: AggressiveInstCombinePass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass