; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/1079 (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"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca [3 x float], align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 12, ptr %3) #7
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #7
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %10 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %9, i64 4)
  %11 = extractvalue { i64, i1 } %10, 1
  %12 = extractvalue { i64, i1 } %10, 0
  %13 = select i1 %11, i64 -1, i64 %12
  %14 = call noalias noundef nonnull ptr @_Znam(i64 noundef %13) #8
  store ptr %14, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %41, %0
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  br label %44

20:                                               ; preds = %15
  %21 = getelementptr inbounds [3 x float], ptr %3, i64 0, i64 0
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %21)
  %23 = getelementptr inbounds [3 x float], ptr %3, i64 0, i64 1
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %22, ptr noundef nonnull align 4 dereferenceable(4) %23)
  %25 = getelementptr inbounds [3 x float], ptr %3, i64 0, i64 2
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 4 dereferenceable(4) %25)
  %27 = getelementptr inbounds [3 x float], ptr %3, i64 0, i64 0
  %28 = load float, ptr %27, align 4, !tbaa !11
  %29 = getelementptr inbounds [3 x float], ptr %3, i64 0, i64 1
  %30 = load float, ptr %29, align 4, !tbaa !11
  %31 = fmul float %30, 3.000000e+00
  %32 = call float @llvm.fmuladd.f32(float %28, float 2.000000e+00, float %31)
  %33 = getelementptr inbounds [3 x float], ptr %3, i64 0, i64 2
  %34 = load float, ptr %33, align 4, !tbaa !11
  %35 = call float @llvm.fmuladd.f32(float %34, float 5.000000e+00, float %32)
  %36 = fdiv float %35, 1.000000e+01
  %37 = load ptr, ptr %4, align 8, !tbaa !9
  %38 = load i32, ptr %5, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds float, ptr %37, i64 %39
  store float %36, ptr %40, align 4, !tbaa !11
  br label %41

41:                                               ; preds = %20
  %42 = load i32, ptr %5, align 4, !tbaa !5
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %5, align 4, !tbaa !5
  br label %15, !llvm.loop !13

44:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %45

45:                                               ; preds = %58, %44
  %46 = load i32, ptr %6, align 4, !tbaa !5
  %47 = load i32, ptr %2, align 4, !tbaa !5
  %48 = icmp slt i32 %46, %47
  br i1 %48, label %50, label %49

49:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %61

50:                                               ; preds = %45
  %51 = load ptr, ptr %4, align 8, !tbaa !9
  %52 = load i32, ptr %6, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = getelementptr inbounds float, ptr %51, i64 %53
  %55 = load float, ptr %54, align 4, !tbaa !11
  %56 = fpext float %55 to double
  %57 = call i32 (ptr, ...) @printf(ptr noundef @.str, double noundef %56)
  br label %58

58:                                               ; preds = %50
  %59 = load i32, ptr %6, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %6, align 4, !tbaa !5
  br label %45, !llvm.loop !15

61:                                               ; preds = %49
  %62 = load ptr, ptr %4, align 8, !tbaa !9
  %63 = icmp eq ptr %62, null
  br i1 %63, label %65, label %64

64:                                               ; preds = %61
  call void @_ZdaPv(ptr noundef %62) #9
  br label %65

65:                                               ; preds = %64, %61
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 12, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #3

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #5 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #6

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nobuiltin allocsize(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 #5 = { mustprogress 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 #6 = { nobuiltin 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 #7 = { nounwind }
attributes #8 = { builtin allocsize(0) }
attributes #9 = { builtin 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca [3 x float], align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %2) #8
  %3 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = sext i32 %4 to i64
  %6 = icmp slt i32 %4, 0
  %7 = shl nsw i64 %5, 2
  %8 = select i1 %6, i64 -1, i64 %7
  %9 = call noalias noundef nonnull ptr @_Znam(i64 noundef %8) #9
  %10 = icmp sgt i32 %4, 0
  br i1 %10, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0
  %11 = getelementptr inbounds i8, ptr %2, i64 4
  %12 = getelementptr inbounds i8, ptr %2, i64 8
  br label %14

.preheader:                                       ; preds = %14
  %13 = icmp sgt i32 %26, 0
  br i1 %13, label %.lr.ph11, label %._crit_edge

14:                                               ; preds = %.lr.ph, %14
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %14 ]
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 4 dereferenceable(4) %12)
  %18 = load float, ptr %2, align 4, !tbaa !9
  %19 = load float, ptr %11, align 4, !tbaa !9
  %20 = fmul float %19, 3.000000e+00
  %21 = call float @llvm.fmuladd.f32(float %18, float 2.000000e+00, float %20)
  %22 = load float, ptr %12, align 4, !tbaa !9
  %23 = call float @llvm.fmuladd.f32(float %22, float 5.000000e+00, float %21)
  %24 = fdiv float %23, 1.000000e+01
  %25 = getelementptr inbounds float, ptr %9, i64 %indvars.iv
  store float %24, ptr %25, align 4, !tbaa !9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %26 = load i32, ptr %1, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = icmp slt i64 %indvars.iv.next, %27
  br i1 %28, label %14, label %.preheader, !llvm.loop !11

.lr.ph11:                                         ; preds = %.preheader, %.lr.ph11
  %indvars.iv13 = phi i64 [ %indvars.iv.next14, %.lr.ph11 ], [ 0, %.preheader ]
  %29 = getelementptr inbounds float, ptr %9, i64 %indvars.iv13
  %30 = load float, ptr %29, align 4, !tbaa !9
  %31 = fpext float %30 to double
  %32 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, double noundef %31)
  %indvars.iv.next14 = add nuw nsw i64 %indvars.iv13, 1
  %33 = load i32, ptr %1, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = icmp slt i64 %indvars.iv.next14, %34
  br i1 %35, label %.lr.ph11, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph11, %0, %.preheader
  call void @_ZdaPv(ptr noundef nonnull %9) #10
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERf(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #5

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #6

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #7

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nobuiltin allocsize(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 #4 = { mustprogress 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 #5 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { 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 #7 = { nobuiltin 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 #8 = { nounwind }
attributes #9 = { builtin allocsize(0) }
attributes #10 = { builtin 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"float", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass