; LLVM IR from Izaron/ACM-ICPC :: Timus Online Judge/Volume 1/1011. Conductors (main)

; 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"

@xs = external dso_local global double, align 8
@ys = external dso_local global double, align 8
@x = external dso_local global i32, align 4
@y = external dso_local global i32, align 4
@ans = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %2 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @xs, ptr noundef @ys)
  store i32 1, ptr @ans, align 4, !tbaa !5
  store i32 0, ptr @y, align 4, !tbaa !5
  store i32 0, ptr @x, align 4, !tbaa !5
  %3 = load double, ptr @ys, align 8, !tbaa !9
  %4 = fsub double %3, 1.000000e-10
  store double %4, ptr @ys, align 8, !tbaa !9
  %5 = load double, ptr @xs, align 8, !tbaa !9
  %6 = fadd double %5, 1.000000e-10
  store double %6, ptr @xs, align 8, !tbaa !9
  br label %7

7:                                                ; preds = %11, %0
  %8 = load i32, ptr @x, align 4, !tbaa !5
  %9 = load i32, ptr @y, align 4, !tbaa !5
  %10 = icmp eq i32 %8, %9
  br i1 %10, label %11, label %26

11:                                               ; preds = %7
  %12 = load i32, ptr @ans, align 4, !tbaa !5
  %13 = add nsw i32 %12, 1
  store i32 %13, ptr @ans, align 4, !tbaa !5
  %14 = load i32, ptr @ans, align 4, !tbaa !5
  %15 = sitofp i32 %14 to double
  %16 = load double, ptr @xs, align 8, !tbaa !9
  %17 = fmul double %15, %16
  %18 = fptosi double %17 to i32
  %19 = sdiv i32 %18, 100
  store i32 %19, ptr @x, align 4, !tbaa !5
  %20 = load i32, ptr @ans, align 4, !tbaa !5
  %21 = sitofp i32 %20 to double
  %22 = load double, ptr @ys, align 8, !tbaa !9
  %23 = fmul double %21, %22
  %24 = fptosi double %23 to i32
  %25 = sdiv i32 %24, 100
  store i32 %25, ptr @y, align 4, !tbaa !5
  br label %7, !llvm.loop !11

26:                                               ; preds = %7
  %27 = load i32, ptr @ans, align 4, !tbaa !5
  %28 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %27)
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

declare i32 @printf(ptr noundef, ...) #1

attributes #0 = { mustprogress norecurse 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" }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@xs = external dso_local global double, align 8
@ys = external dso_local global double, align 8
@x = external dso_local local_unnamed_addr global i32, align 4
@y = external dso_local local_unnamed_addr global i32, align 4
@ans = external dso_local local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
.lr.ph.preheader:
  %0 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @xs, ptr noundef nonnull @ys)
  %1 = load double, ptr @ys, align 8, !tbaa !5
  %2 = fadd double %1, -1.000000e-10
  store double %2, ptr @ys, align 8, !tbaa !5
  %3 = load double, ptr @xs, align 8, !tbaa !5
  %4 = fadd double %3, 1.000000e-10
  store double %4, ptr @xs, align 8, !tbaa !5
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %5 = phi i32 [ %6, %.lr.ph ], [ 1, %.lr.ph.preheader ]
  %6 = add nuw nsw i32 %5, 1
  %7 = uitofp nneg i32 %6 to double
  %8 = fmul double %4, %7
  %9 = fptosi double %8 to i32
  %10 = sdiv i32 %9, 100
  %11 = fmul double %2, %7
  %12 = fptosi double %11 to i32
  %13 = sdiv i32 %12, 100
  %14 = icmp eq i32 %10, %13
  br i1 %14, label %.lr.ph, label %15, !llvm.loop !9

15:                                               ; preds = %.lr.ph
  store i32 %6, ptr @ans, align 4, !tbaa !11
  store i32 %10, ptr @x, align 4, !tbaa !11
  store i32 %13, ptr @y, align 4, !tbaa !11
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %6)
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

attributes #0 = { mustprogress nofree norecurse 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 = { 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" }

!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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SCCPPass,SROAPass,SimplifyCFGPass,TailCallElimPass