; LLVM IR from TheAlgorithms/C-Plus-Plus :: hashing/sha256.ll (ZN7hashing6sha25619compute_padded_sizeEm)

; 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: mustprogress nounwind uwtable
define dso_local noundef i64 @_ZN7hashing6sha25619compute_padded_sizeEm(i64 noundef %0) #0 {
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  %4 = load i64, ptr %3, align 8, !tbaa !5
  %5 = urem i64 %4, 64
  %6 = icmp ult i64 %5, 56
  br i1 %6, label %7, label %13

7:                                                ; preds = %1
  %8 = load i64, ptr %3, align 8, !tbaa !5
  %9 = add i64 %8, 64
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = urem i64 %10, 64
  %12 = sub i64 %9, %11
  store i64 %12, ptr %2, align 8
  br label %19

13:                                               ; preds = %1
  %14 = load i64, ptr %3, align 8, !tbaa !5
  %15 = add i64 %14, 128
  %16 = load i64, ptr %3, align 8, !tbaa !5
  %17 = urem i64 %16, 64
  %18 = sub i64 %15, %17
  store i64 %18, ptr %2, align 8
  br label %19

19:                                               ; preds = %13, %7
  %20 = load i64, ptr %2, align 8
  ret i64 %20
}

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" }

!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++ TBAA"}


; 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 noundef i64 @_ZN7hashing6sha25619compute_padded_sizeEm(i64 noundef %0) local_unnamed_addr #0 {
  %2 = and i64 %0, 56
  %.not = icmp eq i64 %2, 56
  %3 = and i64 %0, -64
  %.0.v = select i1 %.not, i64 128, i64 64
  %.0 = add i64 %.0.v, %3
  ret i64 %.0
}

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: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass