; LLVM IR from xirc/cp-algorithm :: atcoder/abc120/B/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 uwtable
define dso_local noundef i32 @_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 i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 %0, ptr %5, align 4, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  store i32 100, ptr %8, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %33, %3
  %11 = load i32, ptr %8, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 0
  br i1 %12, label %14, label %13

13:                                               ; preds = %10
  store i32 2, ptr %9, align 4
  br label %36

14:                                               ; preds = %10
  %15 = load i32, ptr %5, align 4, !tbaa !5
  %16 = load i32, ptr %8, align 4, !tbaa !5
  %17 = srem i32 %15, %16
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %32

19:                                               ; preds = %14
  %20 = load i32, ptr %6, align 4, !tbaa !5
  %21 = load i32, ptr %8, align 4, !tbaa !5
  %22 = srem i32 %20, %21
  %23 = icmp eq i32 %22, 0
  br i1 %23, label %24, label %32

24:                                               ; preds = %19
  %25 = load i32, ptr %7, align 4, !tbaa !5
  %26 = add nsw i32 %25, -1
  store i32 %26, ptr %7, align 4, !tbaa !5
  %27 = load i32, ptr %7, align 4, !tbaa !5
  %28 = icmp eq i32 %27, 0
  br i1 %28, label %29, label %31

29:                                               ; preds = %24
  %30 = load i32, ptr %8, align 4, !tbaa !5
  store i32 %30, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %36

31:                                               ; preds = %24
  br label %32

32:                                               ; preds = %31, %19, %14
  br label %33

33:                                               ; preds = %32
  %34 = load i32, ptr %8, align 4, !tbaa !5
  %35 = add nsw i32 %34, -1
  store i32 %35, ptr %8, align 4, !tbaa !5
  br label %10, !llvm.loop !9

36:                                               ; preds = %29, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  %37 = load i32, ptr %9, align 4
  switch i32 %37, label %41 [
    i32 2, label %38
    i32 1, label %39
  ]

38:                                               ; preds = %36
  call void @__cxa_rethrow() #3
  unreachable

39:                                               ; preds = %36
  %40 = load i32, ptr %4, align 4
  ret i32 %40

41:                                               ; preds = %36
  unreachable
}

; 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

declare void @__cxa_rethrow()

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind }
attributes #3 = { noreturn }

!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 = distinct !{!9, !10}
!10 = !{!"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"

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z5solveiii(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  br label %4

4:                                                ; preds = %3, %13
  %.01120 = phi i32 [ 100, %3 ], [ %14, %13 ]
  %.01219 = phi i32 [ %2, %3 ], [ %.1, %13 ]
  %5 = srem i32 %0, %.01120
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %7, label %13

7:                                                ; preds = %4
  %8 = srem i32 %1, %.01120
  %9 = icmp eq i32 %8, 0
  br i1 %9, label %10, label %13

10:                                               ; preds = %7
  %11 = add nsw i32 %.01219, -1
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %17, label %13

13:                                               ; preds = %4, %7, %10
  %.1 = phi i32 [ %11, %10 ], [ %.01219, %7 ], [ %.01219, %4 ]
  %14 = add nsw i32 %.01120, -1
  %15 = icmp ugt i32 %.01120, 1
  br i1 %15, label %4, label %16, !llvm.loop !5

16:                                               ; preds = %13
  tail call void @__cxa_rethrow() #1
  unreachable

17:                                               ; preds = %10
  ret i32 %.01120
}

declare void @__cxa_rethrow() local_unnamed_addr

attributes #0 = { 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 #1 = { noreturn }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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