; LLVM IR from eyangch/competitive-programming :: Codeforces/1285/c.ll (Z9isCoprimexx)

; 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 zeroext i1 @_Z9isCoprimexx(i64 noundef %0, i64 noundef %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store i64 %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !5
  %9 = load i64, ptr %4, align 8, !tbaa !5
  %10 = icmp eq i64 %9, 1
  br i1 %10, label %11, label %12

11:                                               ; preds = %2
  store i1 true, ptr %3, align 1
  br label %49

12:                                               ; preds = %2
  %13 = load i64, ptr %5, align 8, !tbaa !5
  %14 = load i64, ptr %4, align 8, !tbaa !5
  %15 = srem i64 %13, %14
  %16 = icmp eq i64 %15, 0
  br i1 %16, label %17, label %18

17:                                               ; preds = %12
  store i1 false, ptr %3, align 1
  br label %49

18:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = call noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef %19)
  %21 = fptosi double %20 to i32
  store i32 %21, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 2, ptr %7, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %42, %18
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = add nsw i32 %24, 1
  %26 = icmp slt i32 %23, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %22
  store i32 2, ptr %8, align 4
  br label %45

28:                                               ; preds = %22
  %29 = load i64, ptr %4, align 8, !tbaa !5
  %30 = load i32, ptr %7, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = srem i64 %29, %31
  %33 = icmp eq i64 %32, 0
  br i1 %33, label %34, label %41

34:                                               ; preds = %28
  %35 = load i64, ptr %5, align 8, !tbaa !5
  %36 = load i32, ptr %7, align 4, !tbaa !9
  %37 = sext i32 %36 to i64
  %38 = srem i64 %35, %37
  %39 = icmp eq i64 %38, 0
  br i1 %39, label %40, label %41

40:                                               ; preds = %34
  store i1 false, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %45

41:                                               ; preds = %34, %28
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %7, align 4, !tbaa !9
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %7, align 4, !tbaa !9
  br label %22, !llvm.loop !11

45:                                               ; preds = %40, %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  %46 = load i32, ptr %8, align 4
  switch i32 %46, label %48 [
    i32 2, label %47
  ]

47:                                               ; preds = %45
  store i1 true, ptr %3, align 1
  store i32 1, ptr %8, align 4
  br label %48

48:                                               ; preds = %47, %45
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %49

49:                                               ; preds = %48, %17, %11
  %50 = load i1, ptr %3, align 1
  ret i1 %50
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef) #2

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

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 = { inlinehint 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 #3 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z9isCoprimexx(i64 noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq i64 %0, 1
  br i1 %3, label %.critedge, label %4

4:                                                ; preds = %2
  %5 = srem i64 %1, %0
  %6 = icmp eq i64 %5, 0
  br i1 %6, label %.critedge, label %7

7:                                                ; preds = %4
  %8 = tail call noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef %0)
  %9 = fptosi double %8 to i32
  %.not15 = icmp slt i32 %9, 2
  br i1 %.not15, label %.critedge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %7
  %10 = add nuw i32 %9, 1
  %wide.trip.count = zext i32 %10 to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %16
  %indvars.iv = phi i64 [ 2, %.lr.ph.preheader ], [ %indvars.iv.next, %16 ]
  %11 = srem i64 %0, %indvars.iv
  %12 = icmp eq i64 %11, 0
  br i1 %12, label %13, label %16

13:                                               ; preds = %.lr.ph
  %14 = srem i64 %1, %indvars.iv
  %15 = icmp eq i64 %14, 0
  br i1 %15, label %.critedge, label %16

16:                                               ; preds = %.lr.ph, %13
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.critedge, label %.lr.ph, !llvm.loop !5

.critedge:                                        ; preds = %13, %16, %7, %4, %2
  %.2 = phi i1 [ true, %2 ], [ false, %4 ], [ true, %7 ], [ false, %13 ], [ true, %16 ]
  ret i1 %.2
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIxEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i64 noundef) local_unnamed_addr #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 = { inlinehint 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" }

!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,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass