; LLVM IR from china-hai/yd_crypto :: src/aes (yd_aes_base)

; 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"

@aes_key = external hidden global [176 x i8], align 16

; 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
declare hidden void @key_expansion(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @add_round_key(ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @sub_bytes(ptr noundef, i8 noundef zeroext) #1

; Function Attrs: nounwind uwtable
declare hidden void @shift_rows(ptr noundef, i8 noundef zeroext) #1

; Function Attrs: nounwind uwtable
declare hidden void @mix_columns(ptr noundef, i8 noundef zeroext) #1

; 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 void @yd_aes_decrypt(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i8, align 1
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #2
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  call void @key_expansion(ptr noundef %6)
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  call void @add_round_key(ptr noundef %7, ptr noundef getelementptr inbounds ([176 x i8], ptr @aes_key, i64 0, i64 160))
  store i8 10, ptr %5, align 1, !tbaa !9
  br label %8

8:                                                ; preds = %23, %2
  %9 = load i8, ptr %5, align 1, !tbaa !9
  %10 = zext i8 %9 to i32
  %11 = icmp sgt i32 %10, 1
  br i1 %11, label %12, label %26

12:                                               ; preds = %8
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  call void @shift_rows(ptr noundef %13, i8 noundef zeroext 1)
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  call void @sub_bytes(ptr noundef %14, i8 noundef zeroext 1)
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %16 = load i8, ptr %5, align 1, !tbaa !9
  %17 = zext i8 %16 to i32
  %18 = sub nsw i32 %17, 1
  %19 = mul nsw i32 16, %18
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [176 x i8], ptr @aes_key, i64 0, i64 %20
  call void @add_round_key(ptr noundef %15, ptr noundef %21)
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  call void @mix_columns(ptr noundef %22, i8 noundef zeroext 1)
  br label %23

23:                                               ; preds = %12
  %24 = load i8, ptr %5, align 1, !tbaa !9
  %25 = add i8 %24, -1
  store i8 %25, ptr %5, align 1, !tbaa !9
  br label %8, !llvm.loop !10

26:                                               ; preds = %8
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  call void @shift_rows(ptr noundef %27, i8 noundef zeroext 1)
  %28 = load ptr, ptr %3, align 8, !tbaa !5
  call void @sub_bytes(ptr noundef %28, i8 noundef zeroext 1)
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  call void @add_round_key(ptr noundef %29, ptr noundef @aes_key)
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  ret void
}

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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"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"

@aes_key = external hidden global [176 x i8], align 16

; Function Attrs: nounwind uwtable
declare hidden void @key_expansion(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @add_round_key(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @sub_bytes(ptr noundef, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @shift_rows(ptr noundef, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @mix_columns(ptr noundef, i8 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @yd_aes_decrypt(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  tail call void @key_expansion(ptr noundef %1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 160))
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 144))
  tail call void @mix_columns(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 128))
  tail call void @mix_columns(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 112))
  tail call void @mix_columns(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 96))
  tail call void @mix_columns(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 80))
  tail call void @mix_columns(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 64))
  tail call void @mix_columns(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 48))
  tail call void @mix_columns(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 32))
  tail call void @mix_columns(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull getelementptr inbounds (i8, ptr @aes_key, i64 16))
  tail call void @mix_columns(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @shift_rows(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @sub_bytes(ptr noundef %0, i8 noundef zeroext 1)
  tail call void @add_round_key(ptr noundef %0, ptr noundef nonnull @aes_key)
  ret void
}

attributes #0 = { 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)"}


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