; LLVM IR from DANTE2076/SmartLoopAIproject :: src/crypto/ctaes (ctaes)

; 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"

%struct.AES128_ctx = type { [11 x %struct.AES_state] }
%struct.AES_state = type { [8 x i16] }

; Function Attrs: nounwind uwtable
define dso_local void @AES128_decrypt(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  br label %9

9:                                                ; preds = %13, %4
  %10 = load i64, ptr %6, align 8, !tbaa !9
  %11 = add i64 %10, -1
  store i64 %11, ptr %6, align 8, !tbaa !9
  %12 = icmp ne i64 %10, 0
  br i1 %12, label %13, label %23

13:                                               ; preds = %9
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.AES128_ctx, ptr %14, i32 0, i32 0
  %16 = getelementptr inbounds [11 x %struct.AES_state], ptr %15, i64 0, i64 0
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  call void @AES_decrypt(ptr noundef %16, i32 noundef 10, ptr noundef %17, ptr noundef %18)
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = getelementptr inbounds i8, ptr %19, i64 16
  store ptr %20, ptr %8, align 8, !tbaa !5
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %21, i64 16
  store ptr %22, ptr %7, align 8, !tbaa !5
  br label %9, !llvm.loop !11

23:                                               ; preds = %9
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @AES_decrypt(ptr noundef, i32 noundef, ptr noundef, ptr noundef) #0

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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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: nounwind uwtable
define dso_local void @AES128_decrypt(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #0 {
  %.not7 = icmp eq i64 %1, 0
  br i1 %.not7, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %4, %.lr.ph
  %.010 = phi ptr [ %6, %.lr.ph ], [ %3, %4 ]
  %.059 = phi ptr [ %7, %.lr.ph ], [ %2, %4 ]
  %.068 = phi i64 [ %5, %.lr.ph ], [ %1, %4 ]
  %5 = add i64 %.068, -1
  tail call void @AES_decrypt(ptr noundef %0, i32 noundef 10, ptr noundef %.059, ptr noundef %.010)
  %6 = getelementptr inbounds i8, ptr %.010, i64 16
  %7 = getelementptr inbounds i8, ptr %.059, i64 16
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %4
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden void @AES_decrypt(ptr noundef, i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

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)"}
!5 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass