; LLVM IR from glaretechnologies/substrata :: resonance-audio/resonance_audio/utils/wav_reader.ll (ZN7vraudio9WavReaderC2EPSi)

; 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"

%"class.vraudio::WavReader" = type { ptr, i8, i64, i32, i64, i64, i64, i64 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7vraudio9WavReaderC2EPSi(ptr noundef nonnull align 8 dereferenceable(64) %0, ptr noundef %1) unnamed_addr #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = getelementptr inbounds %"class.vraudio::WavReader", ptr %5, i32 0, i32 0
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_Z12CheckNotNullIRPSiET_OS2_(ptr noundef nonnull align 8 dereferenceable(8) %4)
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %8, ptr %6, align 8, !tbaa !9
  %9 = getelementptr inbounds %"class.vraudio::WavReader", ptr %5, i32 0, i32 2
  store i64 0, ptr %9, align 8, !tbaa !15
  %10 = getelementptr inbounds %"class.vraudio::WavReader", ptr %5, i32 0, i32 3
  store i32 -1, ptr %10, align 8, !tbaa !16
  %11 = getelementptr inbounds %"class.vraudio::WavReader", ptr %5, i32 0, i32 4
  store i64 0, ptr %11, align 8, !tbaa !17
  %12 = getelementptr inbounds %"class.vraudio::WavReader", ptr %5, i32 0, i32 5
  store i64 0, ptr %12, align 8, !tbaa !18
  %13 = getelementptr inbounds %"class.vraudio::WavReader", ptr %5, i32 0, i32 7
  store i64 0, ptr %13, align 8, !tbaa !19
  %14 = call noundef zeroext i1 @_ZN7vraudio9WavReader11ParseHeaderEv(ptr noundef nonnull align 8 dereferenceable(64) %5)
  %15 = getelementptr inbounds %"class.vraudio::WavReader", ptr %5, i32 0, i32 1
  %16 = zext i1 %14 to i8
  store i8 %16, ptr %15, align 8, !tbaa !20
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_Z12CheckNotNullIRPSiET_OS2_(ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7vraudio9WavReader11ParseHeaderEv(ptr noundef nonnull align 8 dereferenceable(64)) #0 align 2

attributes #0 = { mustprogress 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" }
attributes #1 = { mustprogress 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++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSN7vraudio9WavReaderE", !6, i64 0, !11, i64 8, !12, i64 16, !13, i64 24, !12, i64 32, !12, i64 40, !12, i64 48, !14, i64 56}
!11 = !{!"bool", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!"long long", !7, i64 0}
!15 = !{!10, !12, i64 16}
!16 = !{!10, !13, i64 24}
!17 = !{!10, !12, i64 32}
!18 = !{!10, !12, i64 40}
!19 = !{!10, !14, i64 56}
!20 = !{!10, !11, i64 8}


; 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 uwtable
define dso_local void @_ZN7vraudio9WavReaderC2EPSi(ptr noundef nonnull align 8 dereferenceable(64) %0, ptr noundef %1) unnamed_addr #0 align 2 {
  %3 = alloca ptr, align 8
  store ptr %1, ptr %3, align 8, !tbaa !5
  %4 = call noundef nonnull align 8 dereferenceable(8) ptr @_Z12CheckNotNullIRPSiET_OS2_(ptr noundef nonnull align 8 dereferenceable(8) %3)
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %5, ptr %0, align 8, !tbaa !9
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  store i64 0, ptr %6, align 8, !tbaa !15
  %7 = getelementptr inbounds i8, ptr %0, i64 24
  store i32 -1, ptr %7, align 8, !tbaa !16
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  %9 = getelementptr inbounds i8, ptr %0, i64 56
  store i64 0, ptr %9, align 8, !tbaa !17
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %8, i8 0, i64 16, i1 false)
  %10 = call noundef zeroext i1 @_ZN7vraudio9WavReader11ParseHeaderEv(ptr noundef nonnull align 8 dereferenceable(64) %0)
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  %12 = zext i1 %10 to i8
  store i8 %12, ptr %11, align 8, !tbaa !18
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_Z12CheckNotNullIRPSiET_OS2_(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7vraudio9WavReader11ParseHeaderEv(ptr noundef nonnull align 8 dereferenceable(64)) local_unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #0 = { mustprogress 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" }
attributes #1 = { mustprogress 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" }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSN7vraudio9WavReaderE", !6, i64 0, !11, i64 8, !12, i64 16, !13, i64 24, !12, i64 32, !12, i64 40, !12, i64 48, !14, i64 56}
!11 = !{!"bool", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!"long long", !7, i64 0}
!15 = !{!10, !12, i64 16}
!16 = !{!10, !13, i64 24}
!17 = !{!10, !14, i64 56}
!18 = !{!10, !11, i64 8}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,MemCpyOptPass,SROAPass