; LLVM IR from t-dillon/tdoku :: other/kudoku (kudoku)

; 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"

@aux = external dso_local global ptr, align 8

; Function Attrs: nounwind uwtable
declare dso_local ptr @sd_genmat() #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @sd_solve(ptr noundef, ptr noundef, ptr noundef, i64 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i64 @OtherSolverKudoku(ptr noundef %0, i64 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4) #0 {
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i64 %1, ptr %7, align 8, !tbaa !9
  store i32 %2, ptr %8, align 4, !tbaa !11
  store ptr %3, ptr %9, align 8, !tbaa !5
  store ptr %4, ptr %10, align 8, !tbaa !5
  %11 = load ptr, ptr @aux, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %15

13:                                               ; preds = %5
  %14 = call ptr @sd_genmat()
  store ptr %14, ptr @aux, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %13, %5
  %16 = load ptr, ptr %10, align 8, !tbaa !5
  store i64 0, ptr %16, align 8, !tbaa !9
  %17 = load ptr, ptr @aux, align 8, !tbaa !5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load ptr, ptr %9, align 8, !tbaa !5
  %20 = load i64, ptr %7, align 8, !tbaa !9
  %21 = load ptr, ptr %10, align 8, !tbaa !5
  %22 = call i32 @sd_solve(ptr noundef %17, ptr noundef %18, ptr noundef %19, i64 noundef %20, ptr noundef %21)
  %23 = sext i32 %22 to i64
  ret i64 %23
}

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" }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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"

@aux = external dso_local local_unnamed_addr global ptr, align 8

; Function Attrs: nounwind uwtable
declare dso_local ptr @sd_genmat() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @sd_solve(ptr noundef, ptr noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i64 -2147483648, 2147483648) i64 @OtherSolverKudoku(ptr noundef %0, i64 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4) local_unnamed_addr #0 {
  %6 = load ptr, ptr @aux, align 8, !tbaa !5
  %7 = icmp eq ptr %6, null
  br i1 %7, label %8, label %10

8:                                                ; preds = %5
  %9 = tail call ptr @sd_genmat()
  store ptr %9, ptr @aux, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %8, %5
  %11 = phi ptr [ %9, %8 ], [ %6, %5 ]
  store i64 0, ptr %4, align 8, !tbaa !9
  %12 = tail call i32 @sd_solve(ptr noundef %11, ptr noundef %0, ptr noundef %3, i64 noundef %1, ptr noundef nonnull %4)
  %13 = sext i32 %12 to i64
  ret i64 %13
}

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" }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,InstCombinePass,SROAPass,TailCallElimPass