; LLVM IR from SSBMTonberry/pocketlzma :: ref_spec/lzma1900/C (Aes)

; 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 void @AesCtr_Code(ptr noundef %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca [4 x i32], align 16
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  br label %10

10:                                               ; preds = %47, %3
  %11 = load i64, ptr %6, align 8, !tbaa !9
  %12 = icmp ne i64 %11, 0
  br i1 %12, label %13, label %50

13:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds i32, ptr %14, i64 0
  %16 = load i32, ptr %15, align 4, !tbaa !11
  %17 = add i32 %16, 1
  store i32 %17, ptr %15, align 4, !tbaa !11
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %24

19:                                               ; preds = %13
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds i32, ptr %20, i64 1
  %22 = load i32, ptr %21, align 4, !tbaa !11
  %23 = add i32 %22, 1
  store i32 %23, ptr %21, align 4, !tbaa !11
  br label %24

24:                                               ; preds = %19, %13
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds i32, ptr %25, i64 4
  %27 = getelementptr inbounds [4 x i32], ptr %7, i64 0, i64 0
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  call void @Aes_Encode(ptr noundef %26, ptr noundef %27, ptr noundef %28)
  store i32 0, ptr %8, align 4, !tbaa !11
  br label %29

29:                                               ; preds = %41, %24
  %30 = load i32, ptr %8, align 4, !tbaa !11
  %31 = icmp ult i32 %30, 4
  br i1 %31, label %32, label %46

32:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  %33 = load i32, ptr %8, align 4, !tbaa !11
  %34 = zext i32 %33 to i64
  %35 = getelementptr inbounds [4 x i32], ptr %7, i64 0, i64 %34
  %36 = load i32, ptr %35, align 4, !tbaa !11
  store i32 %36, ptr %9, align 4, !tbaa !11
  %37 = load i32, ptr %9, align 4, !tbaa !11
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = load i32, ptr %38, align 4, !tbaa !11
  %40 = xor i32 %39, %37
  store i32 %40, ptr %38, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  br label %41

41:                                               ; preds = %32
  %42 = load i32, ptr %8, align 4, !tbaa !11
  %43 = add i32 %42, 1
  store i32 %43, ptr %8, align 4, !tbaa !11
  %44 = load ptr, ptr %5, align 8, !tbaa !5
  %45 = getelementptr inbounds i8, ptr %44, i64 4
  store ptr %45, ptr %5, align 8, !tbaa !5
  br label %29, !llvm.loop !13

46:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #2
  br label %47

47:                                               ; preds = %46
  %48 = load i64, ptr %6, align 8, !tbaa !9
  %49 = add i64 %48, -1
  store i64 %49, ptr %6, align 8, !tbaa !9
  br label %10, !llvm.loop !15

50:                                               ; preds = %10
  ret void
}

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

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 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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 void @AesCtr_Code(ptr noundef %0, ptr nocapture noundef %1, i64 noundef %2) local_unnamed_addr #1 {
  %4 = alloca [4 x i32], align 16
  %.not15 = icmp eq i64 %2, 0
  br i1 %.not15, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  br label %7

7:                                                ; preds = %.lr.ph, %14
  %.017 = phi ptr [ %1, %.lr.ph ], [ %18, %14 ]
  %.01216 = phi i64 [ %2, %.lr.ph ], [ %19, %14 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #2
  %8 = load i32, ptr %0, align 4, !tbaa !5
  %9 = add i32 %8, 1
  store i32 %9, ptr %0, align 4, !tbaa !5
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %11, label %14

11:                                               ; preds = %7
  %12 = load i32, ptr %5, align 4, !tbaa !5
  %13 = add i32 %12, 1
  store i32 %13, ptr %5, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %11, %7
  call void @Aes_Encode(ptr noundef nonnull %6, ptr noundef nonnull %4, ptr noundef nonnull %0)
  %15 = load <4 x i32>, ptr %4, align 16, !tbaa !5
  %16 = load <4 x i32>, ptr %.017, align 4, !tbaa !5
  %17 = xor <4 x i32> %16, %15
  store <4 x i32> %17, ptr %.017, align 4, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %.017, i64 16
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #2
  %19 = add i64 %.01216, -1
  %.not = icmp eq i64 %19, 0
  br i1 %.not, label %._crit_edge, label %7, !llvm.loop !9

._crit_edge:                                      ; preds = %14, %3
  ret void
}

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

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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass