; LLVM IR from hao14293/2021-Postgraduate-408 :: PAT/PAT-A/CPP/1152.Google Recruitment （20 分)/Z7isPrimeNSt7/cxx1112basic_strin_c1768f18/Z7isPrimeNSt7 (traitsIcESaIcEEE)

; 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 @_Z7isPrimeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %0) #0 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  %7 = call noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef null, i32 noundef 10)
  store i32 %7, ptr %4, align 4, !tbaa !9
  %8 = load i32, ptr %4, align 4, !tbaa !9
  %9 = icmp slt i32 %8, 2
  br i1 %9, label %10, label %11

10:                                               ; preds = %1
  store i1 false, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %32

11:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 2, ptr %6, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %26, %11
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = sitofp i32 %13 to double
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = call noundef double @_ZSt4sqrtIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %15)
  %17 = fcmp ole double %14, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %12
  store i32 2, ptr %5, align 4
  br label %29

19:                                               ; preds = %12
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = load i32, ptr %6, align 4, !tbaa !9
  %22 = srem i32 %20, %21
  %23 = icmp eq i32 %22, 0
  br i1 %23, label %24, label %25

24:                                               ; preds = %19
  store i1 false, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %29

25:                                               ; preds = %19
  br label %26

26:                                               ; preds = %25
  %27 = load i32, ptr %6, align 4, !tbaa !9
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %6, align 4, !tbaa !9
  br label %12, !llvm.loop !11

29:                                               ; preds = %24, %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  %30 = load i32, ptr %5, align 4
  switch i32 %30, label %32 [
    i32 2, label %31
  ]

31:                                               ; preds = %29
  store i1 true, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %32

32:                                               ; preds = %31, %29, %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  %33 = load i1, ptr %2, align 1
  ret i1 %33
}

; 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 uwtable
declare dso_local noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef) #3

; 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 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 = { 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 #4 = { 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 = !{!"any pointer", !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 uwtable
define dso_local noundef zeroext i1 @_Z7isPrimeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull %0) local_unnamed_addr #0 {
  %2 = tail call noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef null, i32 noundef 10)
  %3 = icmp slt i32 %2, 2
  br i1 %3, label %.critedge, label %.preheader

.preheader:                                       ; preds = %1
  %4 = tail call noundef double @_ZSt4sqrtIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %2)
  %5 = fcmp ult double %4, 2.000000e+00
  br i1 %5, label %.critedge, label %.lr.ph

6:                                                ; preds = %.lr.ph
  %7 = add nuw nsw i32 %.010, 1
  %8 = uitofp nneg i32 %7 to double
  %9 = tail call noundef double @_ZSt4sqrtIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %2)
  %10 = fcmp ult double %9, %8
  br i1 %10, label %.critedge, label %.lr.ph, !llvm.loop !5

.lr.ph:                                           ; preds = %.preheader, %6
  %.010 = phi i32 [ %7, %6 ], [ 2, %.preheader ]
  %11 = urem i32 %2, %.010
  %.not = icmp ne i32 %11, 0
  br i1 %.not, label %6, label %.critedge

.critedge:                                        ; preds = %.lr.ph, %6, %.preheader, %1
  %.1 = phi i1 [ false, %1 ], [ true, %.preheader ], [ %.not, %6 ], [ %.not, %.lr.ph ]
  ret i1 %.1
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZNSt7__cxx114stoiERKNS_12basic_stringIcSt11char_traitsIcESaIcEEEPmi(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt4sqrtIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef) local_unnamed_addr #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" }
attributes #1 = { inlinehint 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 = { 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,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass