; LLVM IR from ConcealNetwork/conceal-desktop :: libqrencode (qrspec)

; 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"

@lengthTableBits = external hidden constant [4 x [3 x i32]], align 16

; 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 i32 @QRspec_lengthIndicator(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %8 = load i32, ptr %4, align 4, !tbaa !5
  %9 = call i32 @QRinput_isSplittableMode(i32 noundef %8)
  %10 = icmp ne i32 %9, 0
  br i1 %10, label %12, label %11

11:                                               ; preds = %2
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %30

12:                                               ; preds = %2
  %13 = load i32, ptr %5, align 4, !tbaa !5
  %14 = icmp sle i32 %13, 9
  br i1 %14, label %15, label %16

15:                                               ; preds = %12
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %22

16:                                               ; preds = %12
  %17 = load i32, ptr %5, align 4, !tbaa !5
  %18 = icmp sle i32 %17, 26
  br i1 %18, label %19, label %20

19:                                               ; preds = %16
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %21

20:                                               ; preds = %16
  store i32 2, ptr %6, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %20, %19
  br label %22

22:                                               ; preds = %21, %15
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [4 x [3 x i32]], ptr @lengthTableBits, i64 0, i64 %24
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds [3 x i32], ptr %25, i64 0, i64 %27
  %29 = load i32, ptr %28, align 4, !tbaa !5
  store i32 %29, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %30

30:                                               ; preds = %22, %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %31 = load i32, ptr %3, align 4
  ret i32 %31
}

declare i32 @QRinput_isSplittableMode(i32 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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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"

@lengthTableBits = external hidden local_unnamed_addr constant [4 x [3 x i32]], align 16

; Function Attrs: nounwind uwtable
define dso_local i32 @QRspec_lengthIndicator(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = tail call i32 @QRinput_isSplittableMode(i32 noundef %0) #2
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %10, label %4

4:                                                ; preds = %2
  %5 = icmp slt i32 %1, 10
  %6 = icmp ult i32 %1, 27
  %. = select i1 %6, i64 1, i64 2
  %.0 = select i1 %5, i64 0, i64 %.
  %7 = sext i32 %0 to i64
  %8 = getelementptr inbounds [4 x [3 x i32]], ptr @lengthTableBits, i64 0, i64 %7, i64 %.0
  %9 = load i32, ptr %8, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %2, %4
  %.06 = phi i32 [ %9, %4 ], [ 0, %2 ]
  ret i32 %.06
}

declare i32 @QRinput_isSplittableMode(i32 noundef) local_unnamed_addr #1

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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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