; LLVM IR from MaxGoryunov/LinearSystemsToolkit :: LinearSystemsToolkit (Vector)

; 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.Vector = type { ptr, i32 }

; Function Attrs: nounwind uwtable
declare dso_local signext i8 @vectorDataEqual(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local signext i8 @vectorEqual(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.Vector, ptr %5, i32 0, i32 1
  %7 = load i32, ptr %6, align 8, !tbaa !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.Vector, ptr %8, i32 0, i32 1
  %10 = load i32, ptr %9, align 8, !tbaa !9
  %11 = icmp eq i32 %7, %10
  br i1 %11, label %12, label %18

12:                                               ; preds = %2
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = call signext i8 @vectorDataEqual(ptr noundef %13, ptr noundef %14)
  %16 = sext i8 %15 to i32
  %17 = icmp ne i32 %16, 0
  br label %18

18:                                               ; preds = %12, %2
  %19 = phi i1 [ false, %2 ], [ %17, %12 ]
  %20 = zext i1 %19 to i32
  %21 = trunc i32 %20 to i8
  ret i8 %21
}

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, !11, i64 8}
!10 = !{!"Vector", !6, i64 0, !11, i64 8}
!11 = !{!"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"

; Function Attrs: nounwind uwtable
declare dso_local signext i8 @vectorDataEqual(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local signext range(i8 0, 2) i8 @vectorEqual(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  %6 = load i32, ptr %5, align 8, !tbaa !5
  %7 = icmp eq i32 %4, %6
  br i1 %7, label %8, label %12

8:                                                ; preds = %2
  %9 = tail call signext i8 @vectorDataEqual(ptr noundef nonnull %0, ptr noundef nonnull %1)
  %10 = icmp ne i8 %9, 0
  %11 = zext i1 %10 to i8
  br label %12

12:                                               ; preds = %8, %2
  %13 = phi i8 [ 0, %2 ], [ %11, %8 ]
  ret i8 %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, !10, i64 8}
!6 = !{!"Vector", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}


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