; LLVM IR from ionescu007/minlzma :: minlzlib (lzmadec)

; 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._DECODER_STATE = type { i32, i32, i32, i32, i32, i32, %union.anon }
%union.anon = type { %struct.anon }
%struct.anon = type { [8 x [768 x i16]], [12 x i16], [12 x i16], [12 x [4 x i16]], [12 x i16], [12 x i16], %struct._LENGTH_DECODER_STATE, [12 x [4 x i16]], [4 x [64 x i16]], [114 x i16], [16 x i16], %struct._LENGTH_DECODER_STATE }
%struct._LENGTH_DECODER_STATE = type { i16, i16, [4 x [8 x i16]], [4 x [8 x i16]], [256 x i16] }

@Decoder = external dso_local global %struct._DECODER_STATE, align 4

; 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: nounwind uwtable
define dso_local void @LzResetState() #1 {
  %1 = alloca i32, align 4
  store i32 0, ptr @Decoder, align 4, !tbaa !5
  store i32 0, ptr getelementptr inbounds (%struct._DECODER_STATE, ptr @Decoder, i32 0, i32 4), align 4, !tbaa !10
  store i32 0, ptr getelementptr inbounds (%struct._DECODER_STATE, ptr @Decoder, i32 0, i32 3), align 4, !tbaa !11
  store i32 0, ptr getelementptr inbounds (%struct._DECODER_STATE, ptr @Decoder, i32 0, i32 2), align 4, !tbaa !12
  store i32 0, ptr getelementptr inbounds (%struct._DECODER_STATE, ptr @Decoder, i32 0, i32 1), align 4, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #3
  store i32 0, ptr %1, align 4, !tbaa !14
  br label %2

2:                                                ; preds = %10, %0
  %3 = load i32, ptr %1, align 4, !tbaa !14
  %4 = icmp slt i32 %3, 7318
  br i1 %4, label %6, label %5

5:                                                ; preds = %2
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #3
  br label %13

6:                                                ; preds = %2
  %7 = load i32, ptr %1, align 4, !tbaa !14
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [7318 x i16], ptr getelementptr inbounds (%struct._DECODER_STATE, ptr @Decoder, i32 0, i32 6), i64 0, i64 %8
  call void @RcSetDefaultProbability(ptr noundef %9)
  br label %10

10:                                               ; preds = %6
  %11 = load i32, ptr %1, align 4, !tbaa !14
  %12 = add nsw i32 %11, 1
  store i32 %12, ptr %1, align 4, !tbaa !14
  br label %2, !llvm.loop !15

13:                                               ; preds = %5
  ret void
}

declare void @RcSetDefaultProbability(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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, !7, i64 0}
!6 = !{!"_DECODER_STATE", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !8, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 16}
!11 = !{!6, !7, i64 12}
!12 = !{!6, !7, i64 8}
!13 = !{!6, !7, i64 4}
!14 = !{!7, !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; 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"

%struct._DECODER_STATE = type { i32, i32, i32, i32, i32, i32, %union.anon }
%union.anon = type { %struct.anon }
%struct.anon = type { [8 x [768 x i16]], [12 x i16], [12 x i16], [12 x [4 x i16]], [12 x i16], [12 x i16], %struct._LENGTH_DECODER_STATE, [12 x [4 x i16]], [4 x [64 x i16]], [114 x i16], [16 x i16], %struct._LENGTH_DECODER_STATE }
%struct._LENGTH_DECODER_STATE = type { i16, i16, [4 x [8 x i16]], [4 x [8 x i16]], [256 x i16] }

@Decoder = external dso_local global %struct._DECODER_STATE, align 4

; Function Attrs: nounwind uwtable
define dso_local void @LzResetState() local_unnamed_addr #0 {
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(20) @Decoder, i8 0, i64 20, i1 false)
  br label %2

1:                                                ; preds = %2
  ret void

2:                                                ; preds = %0, %2
  %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %2 ]
  %3 = getelementptr inbounds [7318 x i16], ptr getelementptr inbounds (i8, ptr @Decoder, i64 24), i64 0, i64 %indvars.iv
  tail call void @RcSetDefaultProbability(ptr noundef nonnull %3) #3
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 7318
  br i1 %exitcond.not, label %1, label %2, !llvm.loop !5
}

declare void @RcSetDefaultProbability(ptr noundef) local_unnamed_addr #1

; 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 = { 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 = { "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) }
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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,MemCpyOptPass,SROAPass,SimplifyCFGPass,TailCallElimPass