; LLVM IR from Beliavsky/FortranTip :: normal_array (normal_vec)

; 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"

%"class.std::linear_congruential_engine" = type { i64 }
%"class.std::normal_distribution" = type <{ %"struct.std::normal_distribution<>::param_type", double, i8, [7 x i8] }>
%"struct.std::normal_distribution<>::param_type" = type { double, double }
%"class.std::_Bind" = type { %"class.std::normal_distribution", %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { %"class.std::linear_congruential_engine" }

; Function Attrs: mustprogress uwtable
define dso_local void @normal_vec(i32 noundef %0, i32 noundef %1, ptr noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::linear_congruential_engine", align 8
  %9 = alloca %"class.std::normal_distribution", align 8
  %10 = alloca %"class.std::_Bind", align 8
  %11 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %12 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %12, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %13 = load i32, ptr %7, align 4, !tbaa !5
  %14 = zext i32 %13 to i64
  call void @_ZNSt26linear_congruential_engineImLm16807ELm0ELm2147483647EEC2Em(ptr noundef nonnull align 8 dereferenceable(8) %8, i64 noundef %14)
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #3
  call void @_ZNSt19normal_distributionIdEC2Edd(ptr noundef nonnull align 8 dereferenceable(25) %9, double noundef 0.000000e+00, double noundef 1.000000e+00)
  call void @llvm.lifetime.start.p0(i64 40, ptr %10) #3
  call void @_ZSt4bindIRSt19normal_distributionIdEJRSt26linear_congruential_engineImLm16807ELm0ELm2147483647EEEENSt12_Bind_helperIXsr15__is_socketlikeIT_EE5valueES7_JDpT0_EE4typeEOS7_DpOS8_(ptr dead_on_unwind writable sret(%"class.std::_Bind") align 8 %10, ptr noundef nonnull align 8 dereferenceable(25) %9, ptr noundef nonnull align 8 dereferenceable(8) %8)
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %26, %3
  %16 = load i32, ptr %11, align 4, !tbaa !5
  %17 = load i32, ptr %5, align 4, !tbaa !5
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %29

20:                                               ; preds = %15
  %21 = call noundef double @_ZNSt5_BindIFSt19normal_distributionIdESt26linear_congruential_engineImLm16807ELm0ELm2147483647EEEEclIJEdEET0_DpOT_(ptr noundef nonnull align 8 dereferenceable(40) %10)
  %22 = load ptr, ptr %6, align 8, !tbaa !9
  %23 = load i32, ptr %11, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds double, ptr %22, i64 %24
  store double %21, ptr %25, align 8, !tbaa !11
  br label %26

26:                                               ; preds = %20
  %27 = load i32, ptr %11, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %11, align 4, !tbaa !5
  br label %15, !llvm.loop !13

29:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret void
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt26linear_congruential_engineImLm16807ELm0ELm2147483647EEC2Em(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt19normal_distributionIdEC2Edd(ptr noundef nonnull align 8 dereferenceable(25), double noundef, double noundef) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4bindIRSt19normal_distributionIdEJRSt26linear_congruential_engineImLm16807ELm0ELm2147483647EEEENSt12_Bind_helperIXsr15__is_socketlikeIT_EE5valueES7_JDpT0_EE4typeEOS7_DpOS8_(ptr dead_on_unwind noalias writable sret(%"class.std::_Bind") align 8, ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef double @_ZNSt5_BindIFSt19normal_distributionIdESt26linear_congruential_engineImLm16807ELm0ELm2147483647EEEEclIJEdEET0_DpOT_(ptr noundef nonnull align 8 dereferenceable(40)) #0 align 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 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

%"class.std::linear_congruential_engine" = type { i64 }
%"class.std::normal_distribution" = type <{ %"struct.std::normal_distribution<>::param_type", double, i8, [7 x i8] }>
%"struct.std::normal_distribution<>::param_type" = type { double, double }
%"class.std::_Bind" = type { %"class.std::normal_distribution", %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { %"class.std::linear_congruential_engine" }

; Function Attrs: mustprogress uwtable
define dso_local void @normal_vec(i32 noundef %0, i32 noundef %1, ptr nocapture noundef writeonly %2) local_unnamed_addr #0 {
  %4 = alloca %"class.std::linear_congruential_engine", align 8
  %5 = alloca %"class.std::normal_distribution", align 8
  %6 = alloca %"class.std::_Bind", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %7 = zext i32 %0 to i64
  call void @_ZNSt26linear_congruential_engineImLm16807ELm0ELm2147483647EEC2Em(ptr noundef nonnull align 8 dereferenceable(8) %4, i64 noundef %7)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #3
  call void @_ZNSt19normal_distributionIdEC2Edd(ptr noundef nonnull align 8 dereferenceable(25) %5, double noundef 0.000000e+00, double noundef 1.000000e+00)
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %6) #3
  call void @_ZSt4bindIRSt19normal_distributionIdEJRSt26linear_congruential_engineImLm16807ELm0ELm2147483647EEEENSt12_Bind_helperIXsr15__is_socketlikeIT_EE5valueES7_JDpT0_EE4typeEOS7_DpOS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::_Bind") align 8 %6, ptr noundef nonnull align 8 dereferenceable(25) %5, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %8 = icmp sgt i32 %1, 0
  br i1 %8, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %3
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %9 = call noundef double @_ZNSt5_BindIFSt19normal_distributionIdESt26linear_congruential_engineImLm16807ELm0ELm2147483647EEEEclIJEdEET0_DpOT_(ptr noundef nonnull align 8 dereferenceable(40) %6)
  %10 = getelementptr inbounds double, ptr %2, i64 %indvars.iv
  store double %9, ptr %10, align 8, !tbaa !5
  %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 %._crit_edge, label %.lr.ph, !llvm.loop !9
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt26linear_congruential_engineImLm16807ELm0ELm2147483647EEC2Em(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt19normal_distributionIdEC2Edd(ptr noundef nonnull align 8 dereferenceable(25), double noundef, double noundef) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4bindIRSt19normal_distributionIdEJRSt26linear_congruential_engineImLm16807ELm0ELm2147483647EEEENSt12_Bind_helperIXsr15__is_socketlikeIT_EE5valueES7_JDpT0_EE4typeEOS7_DpOS8_(ptr dead_on_unwind noalias writable sret(%"class.std::_Bind") align 8, ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef double @_ZNSt5_BindIFSt19normal_distributionIdESt26linear_congruential_engineImLm16807ELm0ELm2147483647EEEEclIJEdEET0_DpOT_(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress 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 = { mustprogress 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 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass