; LLVM IR from xirc/cp-algorithm :: codeforces/1418/1418A/main.ll (Z5solveiii)

; 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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i64 @_Z5solveiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %9 = load i32, ptr %6, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = load i32, ptr %5, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = load i32, ptr %6, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = mul nsw i64 %12, %14
  %16 = add nsw i64 %10, %15
  store i64 %16, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  store i64 0, ptr %8, align 8, !tbaa !9
  %17 = load i32, ptr %6, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = load i64, ptr %8, align 8, !tbaa !9
  %20 = add nsw i64 %19, %18
  store i64 %20, ptr %8, align 8, !tbaa !9
  %21 = load i64, ptr %7, align 8, !tbaa !9
  %22 = sub nsw i64 %21, 1
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = sub nsw i32 %23, 1
  %25 = sext i32 %24 to i64
  %26 = sdiv i64 %22, %25
  %27 = load i64, ptr %8, align 8, !tbaa !9
  %28 = add nsw i64 %27, %26
  store i64 %28, ptr %8, align 8, !tbaa !9
  %29 = load i64, ptr %7, align 8, !tbaa !9
  %30 = sub nsw i64 %29, 1
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = sub nsw i32 %31, 1
  %33 = sext i32 %32 to i64
  %34 = srem i64 %30, %33
  %35 = icmp sgt i64 %34, 0
  br i1 %35, label %36, label %39

36:                                               ; preds = %3
  %37 = load i64, ptr %8, align 8, !tbaa !9
  %38 = add nsw i64 %37, 1
  store i64 %38, ptr %8, align 8, !tbaa !9
  br label %39

39:                                               ; preds = %36, %3
  %40 = load i64, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  ret i64 %40
}

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

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

attributes #0 = { mustprogress 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!"long long", !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: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef range(i64 -4611686022722355198, 4611686022722355199) i64 @_Z5solveiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = sext i32 %2 to i64
  %5 = sext i32 %1 to i64
  %6 = add nsw i64 %5, 1
  %7 = mul nsw i64 %6, %4
  %8 = add nsw i64 %7, -1
  %9 = add nsw i32 %0, -1
  %10 = sext i32 %9 to i64
  %11 = sdiv i64 %8, %10
  %12 = add nsw i64 %11, %4
  %13 = srem i64 %8, %10
  %14 = icmp sgt i64 %13, 0
  %15 = zext i1 %14 to i64
  %spec.select = add nsw i64 %12, %15
  ret i64 %spec.select
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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)"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass