; LLVM IR from trustwallet/wallet-core :: trezor-crypto/crypto (base32)

; 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: nounwind uwtable
define dso_local i64 @base32_encoded_length(i64 noundef %0) #1 {
  %2 = alloca i64, align 8
  %3 = alloca i8, align 1
  store i64 %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #2
  %4 = load i64, ptr %2, align 8, !tbaa !5
  %5 = urem i64 %4, 5
  %6 = trunc i64 %5 to i8
  store i8 %6, ptr %3, align 1, !tbaa !9
  %7 = load i64, ptr %2, align 8, !tbaa !5
  %8 = udiv i64 %7, 5
  %9 = mul i64 %8, 8
  %10 = load i8, ptr %3, align 1, !tbaa !9
  %11 = zext i8 %10 to i32
  %12 = mul nsw i32 %11, 8
  %13 = add nsw i32 %12, 4
  %14 = sdiv i32 %13, 5
  %15 = sext i32 %14 to i64
  %16 = add i64 %9, %15
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #2
  ret i64 %16
}

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

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 = { 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", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!7, !7, i64 0}


; 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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local i64 @base32_encoded_length(i64 noundef %0) local_unnamed_addr #0 {
  %2 = urem i64 %0, 5
  %3 = trunc nuw nsw i64 %2 to i8
  %4 = udiv i64 %0, 5
  %5 = shl i64 %4, 3
  %6 = shl nuw nsw i8 %3, 3
  %.lhs.trunc = or disjoint i8 %6, 4
  %7 = udiv i8 %.lhs.trunc, 5
  %8 = zext nneg i8 %7 to i64
  %9 = add i64 %5, %8
  ret i64 %9
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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)"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass