; 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: nounwind
declare i32 @feof(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN13StreamDecoder12eof_callbackEv(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #1 align 2 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8
  %5 = getelementptr inbounds i8, ptr %4, i64 16
  %6 = getelementptr inbounds %class.DecoderCommon, ptr %5, i32 0, i32 1
  %7 = load i32, ptr %6, align 8, !tbaa !9
  %8 = icmp eq i32 %7, 0
  br i1 %8, label %9, label %10

9:                                                ; preds = %1
  store i1 false, ptr %2, align 1
  br label %21

10:                                               ; preds = %1
  %11 = getelementptr inbounds i8, ptr %4, i64 16
  %12 = getelementptr inbounds %class.DecoderCommon, ptr %11, i32 0, i32 4
  %13 = load i8, ptr %12, align 1, !tbaa !14, !range !15, !noundef !16
  %14 = trunc i8 %13 to i1
  br i1 %14, label %15, label %16

15:                                               ; preds = %10
  store i1 true, ptr %2, align 1
  br label %21

16:                                               ; preds = %10
  %17 = getelementptr inbounds %class.StreamDecoder, ptr %4, i32 0, i32 2
  %18 = load ptr, ptr %17, align 8, !tbaa !17
  %19 = call i32 @feof(ptr noundef %18) #2
  %20 = icmp ne i32 %19, 0
  store i1 %20, ptr %2, align 1
  br label %21

21:                                               ; preds = %16, %15, %9
  %22 = load i1, ptr %2, align 1
  ret i1 %22
}

attributes #0 = { 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" }
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 = { 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}


; 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: nofree nounwind
declare noundef i32 @feof(ptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind uwtable
define dso_local noundef zeroext i1 @_ZN13StreamDecoder12eof_callbackEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(48) %0) unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp eq i32 %3, 0
  br i1 %4, label %14, label %5

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

9:                                                ; preds = %5
  %10 = getelementptr inbounds i8, ptr %0, i64 40
  %11 = load ptr, ptr %10, align 8, !tbaa !15
  %12 = tail call i32 @feof(ptr noundef %11) #2
  %13 = icmp ne i32 %12, 0
  br label %14

14:                                               ; preds = %5, %1, %9
  %.0 = phi i1 [ %13, %9 ], [ false, %1 ], [ true, %5 ]
  ret i1 %.0
}

attributes #0 = { 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" }
attributes #1 = { 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 #2 = { 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, !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}


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