; LLVM IR from reworks-org/galaxy :: deps/sfml_deps/flac-src/src/test_libFLAC++ (decoders)

; 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.DecoderCommon = type <{ ptr, i32, i32, i8, i8, [6 x i8] }>
%class.StreamDecoder = type { %"class.FLAC::Decoder::Stream", %class.DecoderCommon.base, ptr }
%"class.FLAC::Decoder::Stream" = type { ptr, ptr }
%class.DecoderCommon.base = type <{ ptr, i32, i32, i8, i8 }>

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN13StreamDecoder13tell_callbackEPm(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef %1) unnamed_addr #1 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8
  %9 = getelementptr inbounds i8, ptr %8, i64 16
  %10 = getelementptr inbounds %class.DecoderCommon, ptr %9, i32 0, i32 1
  %11 = load i32, ptr %10, align 8, !tbaa !9
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %2
  store i32 2, ptr %3, align 4
  br label %33

14:                                               ; preds = %2
  %15 = getelementptr inbounds i8, ptr %8, i64 16
  %16 = getelementptr inbounds %class.DecoderCommon, ptr %15, i32 0, i32 4
  %17 = load i8, ptr %16, align 1, !tbaa !14, !range !15, !noundef !16
  %18 = trunc i8 %17 to i1
  br i1 %18, label %19, label %20

19:                                               ; preds = %14
  store i32 1, ptr %3, align 4
  br label %33

20:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %21 = getelementptr inbounds %class.StreamDecoder, ptr %8, i32 0, i32 2
  %22 = load ptr, ptr %21, align 8, !tbaa !17
  %23 = call i64 @ftello(ptr noundef %22)
  store i64 %23, ptr %6, align 8, !tbaa !20
  %24 = load i64, ptr %6, align 8, !tbaa !20
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  store i64 %24, ptr %25, align 8, !tbaa !20
  %26 = load i64, ptr %6, align 8, !tbaa !20
  %27 = icmp slt i64 %26, 0
  br i1 %27, label %28, label %31

28:                                               ; preds = %20
  %29 = getelementptr inbounds i8, ptr %8, i64 16
  %30 = getelementptr inbounds %class.DecoderCommon, ptr %29, i32 0, i32 4
  store i8 1, ptr %30, align 1, !tbaa !14
  store i32 1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %32

31:                                               ; preds = %20
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %32

32:                                               ; preds = %31, %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %33

33:                                               ; preds = %32, %19, %13
  %34 = load i32, ptr %3, align 4
  ret i32 %34
}

declare i64 @ftello(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "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 #3 = { nounwind }

!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, !11, i64 8}
!10 = !{!"_ZTS13DecoderCommon", !11, i64 8, !12, i64 12, !13, i64 16, !13, i64 17}
!11 = !{!"_ZTS5Layer", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = !{!10, !13, i64 17}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = !{!18, !6, i64 40}
!18 = !{!"_ZTS13StreamDecoder", !19, i64 0, !10, i64 16, !6, i64 40}
!19 = !{!"_ZTSN4FLAC7Decoder6StreamE", !6, i64 8}
!20 = !{!21, !21, i64 0}
!21 = !{!"long", !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 nounwind uwtable
define dso_local noundef range(i32 0, 3) i32 @_ZN13StreamDecoder13tell_callbackEPm(ptr nocapture noundef nonnull align 8 dereferenceable(48) %0, ptr nocapture noundef writeonly %1) unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = icmp eq i32 %4, 0
  br i1 %5, label %16, label %6

6:                                                ; preds = %2
  %7 = getelementptr inbounds i8, ptr %0, i64 33
  %8 = load i8, ptr %7, align 1, !tbaa !12, !range !13, !noundef !14
  %9 = trunc nuw i8 %8 to i1
  br i1 %9, label %16, label %10

10:                                               ; preds = %6
  %11 = getelementptr inbounds i8, ptr %0, i64 40
  %12 = load ptr, ptr %11, align 8, !tbaa !15
  %13 = tail call i64 @ftello(ptr noundef %12)
  store i64 %13, ptr %1, align 8, !tbaa !19
  %14 = icmp slt i64 %13, 0
  br i1 %14, label %15, label %16

15:                                               ; preds = %10
  store i8 1, ptr %7, align 1, !tbaa !12
  br label %16

16:                                               ; preds = %15, %10, %6, %2
  %.1 = phi i32 [ 2, %2 ], [ 1, %6 ], [ 1, %15 ], [ 0, %10 ]
  ret i32 %.1
}

; Function Attrs: nofree nounwind
declare noundef i64 @ftello(ptr nocapture noundef) local_unnamed_addr #1

attributes #0 = { mustprogress nofree 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 #1 = { nofree nounwind "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 8}
!6 = !{!"_ZTS13DecoderCommon", !7, i64 8, !10, i64 12, !11, i64 16, !11, i64 17}
!7 = !{!"_ZTS5Layer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"bool", !8, i64 0}
!12 = !{!6, !11, i64 17}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!16, !18, i64 40}
!16 = !{!"_ZTS13StreamDecoder", !17, i64 0, !6, i64 16, !18, i64 40}
!17 = !{!"_ZTSN4FLAC7Decoder6StreamE", !18, i64 8}
!18 = !{!"any pointer", !8, i64 0}
!19 = !{!20, !20, i64 0}
!20 = !{!"long", !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass