; LLVM IR from AlgoGenesis/C :: Mathematical Algorithms/Point in Polygon (Program)

; 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.Point = type { i32, i32 }

@__const.main.polygon = external hidden unnamed_addr constant [4 x %struct.Point], align 16
@.str = external hidden unnamed_addr constant [43 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [43 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [44 x i8], align 1

; 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
declare dso_local i32 @isInside(ptr noundef, i32 noundef, i64) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #1 {
  %1 = alloca i32, align 4
  %2 = alloca [4 x %struct.Point], align 16
  %3 = alloca i32, align 4
  %4 = alloca %struct.Point, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %2, ptr align 16 @__const.main.polygon, i64 32, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 4, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %5 = call i32 (ptr, ...) @printf(ptr noundef @.str)
  %6 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 0
  %7 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 1
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %6, ptr noundef %7)
  %9 = getelementptr inbounds [4 x %struct.Point], ptr %2, i64 0, i64 0
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = load i64, ptr %4, align 4
  %12 = call i32 @isInside(ptr noundef %9, i32 noundef %10, i64 %11)
  %13 = icmp ne i32 %12, 0
  br i1 %13, label %14, label %20

14:                                               ; preds = %0
  %15 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 0
  %16 = load i32, ptr %15, align 4, !tbaa !9
  %17 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 1
  %18 = load i32, ptr %17, align 4, !tbaa !11
  %19 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %16, i32 noundef %18)
  br label %26

20:                                               ; preds = %0
  %21 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 0
  %22 = load i32, ptr %21, align 4, !tbaa !9
  %23 = getelementptr inbounds %struct.Point, ptr %4, i32 0, i32 1
  %24 = load i32, ptr %23, align 4, !tbaa !11
  %25 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %22, i32 noundef %24)
  br label %26

26:                                               ; preds = %20, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #4
  ret i32 0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

declare i32 @printf(ptr noundef, ...) #3

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 #4 = { 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"}
!9 = !{!10, !6, i64 0}
!10 = !{!"Point", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 4}


; 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.Point = type { i32, i32 }

@__const.main.polygon = external hidden unnamed_addr constant [4 x %struct.Point], align 16
@.str = external hidden unnamed_addr constant [43 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [43 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [44 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @isInside(ptr noundef, i32 noundef, i64) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = alloca [4 x %struct.Point], align 16
  %2 = alloca %struct.Point, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #4
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull align 16 dereferenceable(32) @__const.main.polygon, i64 32, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %3 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str)
  %4 = getelementptr inbounds i8, ptr %2, i64 4
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %4)
  %6 = load i64, ptr %2, align 8
  %7 = call i32 @isInside(ptr noundef nonnull %1, i32 noundef 4, i64 %6)
  %.not = icmp eq i32 %7, 0
  %8 = load i32, ptr %2, align 8, !tbaa !5
  %9 = load i32, ptr %4, align 4, !tbaa !10
  %.str.3..str.2 = select i1 %.not, ptr @.str.3, ptr @.str.2
  %10 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.3..str.2, i32 noundef %8, i32 noundef %9)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #4
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

attributes #0 = { mustprogress 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 = !{!"Point", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 4}


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