; LLVM IR from vmartinv/eldiego :: math/phollards.rho.ll (Z5rabinx)

; 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"

@__const._Z5rabinx.ar = external hidden unnamed_addr constant [9 x i32], align 16

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z5rabinx(i64 noundef %0) #1 {
  %2 = alloca i1, align 1
  %3 = alloca i64, align 8
  %4 = alloca [9 x i32], align 16
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i64 %0, ptr %3, align 8, !tbaa !5
  %7 = load i64, ptr %3, align 8, !tbaa !5
  %8 = icmp eq i64 %7, 1
  br i1 %8, label %9, label %10

9:                                                ; preds = %1
  store i1 false, ptr %2, align 1
  br label %31

10:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 36, ptr %4) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %4, ptr align 16 @__const._Z5rabinx.ar, i64 36, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %24, %10
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = icmp slt i32 %12, 9
  br i1 %13, label %15, label %14

14:                                               ; preds = %11
  store i32 2, ptr %6, align 4
  br label %27

15:                                               ; preds = %11
  %16 = load i64, ptr %3, align 8, !tbaa !5
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [9 x i32], ptr %4, i64 0, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !9
  %21 = call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %16, i32 noundef %20)
  br i1 %21, label %23, label %22

22:                                               ; preds = %15
  store i1 false, ptr %2, align 1
  store i32 1, ptr %6, align 4
  br label %27

23:                                               ; preds = %15
  br label %24

24:                                               ; preds = %23
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %5, align 4, !tbaa !9
  br label %11, !llvm.loop !11

27:                                               ; preds = %22, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  %28 = load i32, ptr %6, align 4
  switch i32 %28, label %30 [
    i32 2, label %29
  ]

29:                                               ; preds = %27
  store i1 true, ptr %2, align 1
  store i32 1, ptr %6, align 4
  br label %30

30:                                               ; preds = %29, %27
  call void @llvm.lifetime.end.p0(i64 36, ptr %4) #3
  br label %31

31:                                               ; preds = %30, %9
  %32 = load i1, ptr %2, align 1
  ret i1 %32
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

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

@__const._Z5rabinx.ar = external hidden unnamed_addr constant [9 x i32], align 16

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z5rabinx(i64 noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq i64 %0, 1
  br i1 %2, label %.critedge, label %.preheader.preheader

.preheader.preheader:                             ; preds = %1
  %3 = load i32, ptr @__const._Z5rabinx.ar, align 16, !tbaa !5
  %4 = tail call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %0, i32 noundef %3)
  br i1 %4, label %.preheader.1, label %.critedge

.preheader.1:                                     ; preds = %.preheader.preheader
  %5 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z5rabinx.ar, i64 4), align 4, !tbaa !5
  %6 = tail call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %0, i32 noundef %5)
  br i1 %6, label %.preheader.2, label %.critedge

.preheader.2:                                     ; preds = %.preheader.1
  %7 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z5rabinx.ar, i64 8), align 8, !tbaa !5
  %8 = tail call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %0, i32 noundef %7)
  br i1 %8, label %.preheader.3, label %.critedge

.preheader.3:                                     ; preds = %.preheader.2
  %9 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z5rabinx.ar, i64 12), align 4, !tbaa !5
  %10 = tail call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %0, i32 noundef %9)
  br i1 %10, label %.preheader.4, label %.critedge

.preheader.4:                                     ; preds = %.preheader.3
  %11 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z5rabinx.ar, i64 16), align 16, !tbaa !5
  %12 = tail call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %0, i32 noundef %11)
  br i1 %12, label %.preheader.5, label %.critedge

.preheader.5:                                     ; preds = %.preheader.4
  %13 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z5rabinx.ar, i64 20), align 4, !tbaa !5
  %14 = tail call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %0, i32 noundef %13)
  br i1 %14, label %.preheader.6, label %.critedge

.preheader.6:                                     ; preds = %.preheader.5
  %15 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z5rabinx.ar, i64 24), align 8, !tbaa !5
  %16 = tail call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %0, i32 noundef %15)
  br i1 %16, label %.preheader.7, label %.critedge

.preheader.7:                                     ; preds = %.preheader.6
  %17 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z5rabinx.ar, i64 28), align 4, !tbaa !5
  %18 = tail call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %0, i32 noundef %17)
  br i1 %18, label %.preheader.8, label %.critedge

.preheader.8:                                     ; preds = %.preheader.7
  %19 = load i32, ptr getelementptr inbounds (i8, ptr @__const._Z5rabinx.ar, i64 32), align 16, !tbaa !5
  %20 = tail call noundef zeroext i1 @_Z13es_primo_probxi(i64 noundef %0, i32 noundef %19)
  br label %.critedge

.critedge:                                        ; preds = %.preheader.8, %.preheader.preheader, %.preheader.1, %.preheader.2, %.preheader.3, %.preheader.4, %.preheader.5, %.preheader.6, %.preheader.7, %1
  %.2 = phi i1 [ false, %1 ], [ false, %.preheader.preheader ], [ false, %.preheader.1 ], [ false, %.preheader.2 ], [ false, %.preheader.3 ], [ false, %.preheader.4 ], [ false, %.preheader.5 ], [ false, %.preheader.6 ], [ false, %.preheader.7 ], [ %20, %.preheader.8 ]
  ret i1 %.2
}

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" }

!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"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,SROAPass,SimplifyCFGPass,TailCallElimPass