; LLVM IR from tangjz/acm-icpc :: TDL_training/2015-10-05/I - I18n - lzy.ll (Z4initv)

; 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 dso_local global [32 x [8 x i8]], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z4initv() #0 {
  %1 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #3
  store i32 2, ptr %1, align 4, !tbaa !5
  br label %2

2:                                                ; preds = %13, %0
  %3 = load i32, ptr %1, align 4, !tbaa !5
  %4 = icmp sle i32 %3, 30
  br i1 %4, label %6, label %5

5:                                                ; preds = %2
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #3
  br label %16

6:                                                ; preds = %2
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [32 x [8 x i8]], ptr @str, i64 0, i64 %8
  %10 = getelementptr inbounds [8 x i8], ptr %9, i64 0, i64 0
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = call i32 (ptr, ptr, ...) @sprintf(ptr noundef %10, ptr noundef @.str, i32 noundef %11) #3
  br label %13

13:                                               ; preds = %6
  %14 = load i32, ptr %1, align 4, !tbaa !5
  %15 = add nsw i32 %14, 1
  store i32 %15, ptr %1, align 4, !tbaa !5
  br label %2, !llvm.loop !9

16:                                               ; preds = %5
  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: nounwind
declare i32 @sprintf(ptr noundef, ptr 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 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 = { 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 = { 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 = distinct !{!9, !10}
!10 = !{!"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 dso_local global [32 x [8 x i8]], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nofree nounwind uwtable
define dso_local void @_Z4initv() local_unnamed_addr #0 {
  %1 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 16), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 2) #2
  %2 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 24), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 3) #2
  %3 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 32), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 4) #2
  %4 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 40), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 5) #2
  %5 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 48), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 6) #2
  %6 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 56), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 7) #2
  %7 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 64), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 8) #2
  %8 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 72), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 9) #2
  %9 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 80), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 10) #2
  %10 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 88), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 11) #2
  %11 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 96), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 12) #2
  %12 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 104), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 13) #2
  %13 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 112), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 14) #2
  %14 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 120), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 15) #2
  %15 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 128), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 16) #2
  %16 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 136), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 17) #2
  %17 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 144), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 18) #2
  %18 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 152), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 19) #2
  %19 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 160), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 20) #2
  %20 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 168), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 21) #2
  %21 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 176), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 22) #2
  %22 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 184), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 23) #2
  %23 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 192), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 24) #2
  %24 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 200), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 25) #2
  %25 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 208), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 26) #2
  %26 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 216), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 27) #2
  %27 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 224), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 28) #2
  %28 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 232), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 29) #2
  %29 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) getelementptr inbounds (i8, ptr @str, i64 240), ptr noundef nonnull dereferenceable(1) @.str, i32 noundef 30) #2
  ret void
}

; Function Attrs: nofree nounwind
declare noundef i32 @sprintf(ptr noalias nocapture noundef writeonly, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

attributes #0 = { mustprogress nofree 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 = { 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 #2 = { 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)"}


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