; LLVM IR from thalium/icebox :: third_party/virtualbox/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal (UtoA10)

; 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: 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: nounwind uwtable
define dso_local i64 @UtoA10(i64 noundef %0, ptr noundef %1) #1 {
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca [64 x i8], align 16
  store i64 %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 64, ptr %6) #3
  store i64 63, ptr %5, align 8, !tbaa !5
  %7 = load i64, ptr %5, align 8, !tbaa !5
  %8 = getelementptr inbounds [64 x i8], ptr %6, i64 0, i64 %7
  store i8 0, ptr %8, align 1, !tbaa !11
  br label %9

9:                                                ; preds = %20, %2
  %10 = load i64, ptr %5, align 8, !tbaa !5
  %11 = add i64 %10, -1
  store i64 %11, ptr %5, align 8, !tbaa !5
  %12 = load i64, ptr %3, align 8, !tbaa !5
  %13 = urem i64 %12, 10
  %14 = add i64 48, %13
  %15 = trunc i64 %14 to i8
  %16 = load i64, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds [64 x i8], ptr %6, i64 0, i64 %16
  store i8 %15, ptr %17, align 1, !tbaa !11
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = udiv i64 %18, 10
  store i64 %19, ptr %3, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %9
  %21 = load i64, ptr %3, align 8, !tbaa !5
  %22 = icmp ne i64 %21, 0
  br i1 %22, label %9, label %23, !llvm.loop !12

23:                                               ; preds = %20
  %24 = load ptr, ptr %4, align 8, !tbaa !9
  %25 = load i64, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds [64 x i8], ptr %6, i64 0, i64 %25
  %27 = call ptr @AsciiStrCpy(ptr noundef %24, ptr noundef %26)
  %28 = load ptr, ptr %4, align 8, !tbaa !9
  %29 = call i64 @AsciiStrLen(ptr noundef %28)
  call void @llvm.lifetime.end.p0(i64 64, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret i64 %29
}

declare ptr @AsciiStrCpy(ptr noundef, ptr noundef) #2

declare i64 @AsciiStrLen(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: nounwind uwtable
define dso_local i64 @UtoA10(i64 noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = alloca [64 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %3) #3
  %4 = getelementptr inbounds i8, ptr %3, i64 63
  store i8 0, ptr %4, align 1, !tbaa !5
  br label %5

5:                                                ; preds = %5, %2
  %.08 = phi i64 [ %0, %2 ], [ %11, %5 ]
  %.0 = phi i64 [ 63, %2 ], [ %6, %5 ]
  %6 = add i64 %.0, -1
  %7 = urem i64 %.08, 10
  %8 = trunc nuw nsw i64 %7 to i8
  %9 = or disjoint i8 %8, 48
  %10 = getelementptr inbounds [64 x i8], ptr %3, i64 0, i64 %6
  store i8 %9, ptr %10, align 1, !tbaa !5
  %11 = udiv i64 %.08, 10
  %.not = icmp ult i64 %.08, 10
  br i1 %.not, label %12, label %5, !llvm.loop !8

12:                                               ; preds = %5
  %13 = getelementptr inbounds [64 x i8], ptr %3, i64 0, i64 %6
  %14 = call ptr @AsciiStrCpy(ptr noundef %1, ptr noundef nonnull %13) #3
  %15 = call i64 @AsciiStrLen(ptr noundef %1) #3
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #3
  ret i64 %15
}

declare ptr @AsciiStrCpy(ptr noundef, ptr noundef) local_unnamed_addr #2

declare i64 @AsciiStrLen(ptr noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LICMPass,LoopUnrollPass,SROAPass,SimplifyCFGPass