; LLVM IR from xtaci/algorithms :: src (hash_multi_demo)

; 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"

@.str = external hidden unnamed_addr constant [34 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 50, ptr %2, align 4, !tbaa !5
  %6 = call i64 @time(ptr noundef null) #6
  %7 = trunc i64 %6 to i32
  call void @srand(i32 noundef %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %8 = call noundef ptr @_ZN3algL15multi_hash_initEj(i32 noundef 50)
  store ptr %8, ptr %3, align 8, !tbaa !9
  %9 = load ptr, ptr %3, align 8, !tbaa !9
  %10 = call noundef i32 @_ZN3algL21multi_hash_table_sizeEPKNS_9MultiHashE(ptr noundef %9)
  %11 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %10)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %23, %0
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = icmp slt i32 %13, 50
  br i1 %14, label %15, label %26

15:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %16 = call i32 @rand() #6
  %17 = srem i32 %16, 1000
  store i32 %17, ptr %5, align 4, !tbaa !5
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = load ptr, ptr %3, align 8, !tbaa !9
  %20 = load i32, ptr %5, align 4, !tbaa !5
  %21 = call noundef i32 @_ZN3algL10multi_hashEPKNS_9MultiHashEj(ptr noundef %19, i32 noundef %20)
  %22 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %18, i32 noundef %21)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %23

23:                                               ; preds = %15
  %24 = load i32, ptr %4, align 4, !tbaa !5
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %4, align 4, !tbaa !5
  br label %12, !llvm.loop !11

26:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  ret i32 0
}

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

; Function Attrs: nounwind
declare void @srand(i32 noundef) #2

; Function Attrs: nounwind
declare i64 @time(ptr noundef) #2

; Function Attrs: mustprogress uwtable
declare hidden noundef ptr @_ZN3algL15multi_hash_initEj(i32 noundef) #3

declare i32 @printf(ptr noundef, ...) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef i32 @_ZN3algL21multi_hash_table_sizeEPKNS_9MultiHashE(ptr noundef) #5

; Function Attrs: nounwind
declare i32 @rand() #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef i32 @_ZN3algL10multi_hashEPKNS_9MultiHashEj(ptr noundef, i32 noundef) #5

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

attributes #0 = { mustprogress norecurse 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 "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 = { 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 #4 = { "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 #5 = { 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 #6 = { 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 = 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"

@.str = external hidden unnamed_addr constant [34 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [16 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = tail call i64 @time(ptr noundef null) #5
  %2 = trunc i64 %1 to i32
  tail call void @srand(i32 noundef %2) #5
  %3 = tail call noundef ptr @_ZN3algL15multi_hash_initEj(i32 noundef 50)
  %4 = tail call noundef i32 @_ZN3algL21multi_hash_table_sizeEPKNS_9MultiHashE(ptr noundef %3)
  %5 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %4)
  br label %6

6:                                                ; preds = %0, %6
  %.05 = phi i32 [ 0, %0 ], [ %11, %6 ]
  %7 = tail call i32 @rand() #5
  %8 = srem i32 %7, 1000
  %9 = tail call noundef i32 @_ZN3algL10multi_hashEPKNS_9MultiHashEj(ptr noundef %3, i32 noundef %8)
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %8, i32 noundef %9)
  %11 = add nuw nsw i32 %.05, 1
  %exitcond.not = icmp eq i32 %11, 50
  br i1 %exitcond.not, label %12, label %6, !llvm.loop !5

12:                                               ; preds = %6
  ret i32 0
}

; Function Attrs: nounwind
declare void @srand(i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind
declare i64 @time(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare hidden noundef ptr @_ZN3algL15multi_hash_initEj(i32 noundef) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef i32 @_ZN3algL21multi_hash_table_sizeEPKNS_9MultiHashE(ptr noundef) local_unnamed_addr #4

; Function Attrs: nounwind
declare i32 @rand() local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef i32 @_ZN3algL10multi_hashEPKNS_9MultiHashEj(ptr noundef, i32 noundef) local_unnamed_addr #4

attributes #0 = { mustprogress norecurse 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 = { nounwind "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 = { 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 = { nofree nounwind "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 = { 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 #5 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass