; LLVM IR from oreparaz/dudect :: examples/aes32 (dut_aes32)

; 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.dudect_ctx_t = type { ptr, ptr, ptr, ptr, ptr, [102 x ptr], ptr }

; 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 i32 @dudect_free(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %15, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = icmp slt i32 %5, 102
  br i1 %6, label %8, label %7

7:                                                ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %18

8:                                                ; preds = %4
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.dudect_ctx_t, ptr %9, i32 0, i32 5
  %11 = load i32, ptr %3, align 4, !tbaa !9
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [102 x ptr], ptr %10, i64 0, i64 %12
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  call void @free(ptr noundef %14) #3
  br label %15

15:                                               ; preds = %8
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !11

18:                                               ; preds = %7
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.dudect_ctx_t, ptr %19, i32 0, i32 6
  %21 = load ptr, ptr %20, align 8, !tbaa !13
  call void @free(ptr noundef %21) #3
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.dudect_ctx_t, ptr %22, i32 0, i32 2
  %24 = load ptr, ptr %23, align 8, !tbaa !15
  call void @free(ptr noundef %24) #3
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.dudect_ctx_t, ptr %25, i32 0, i32 3
  %27 = load ptr, ptr %26, align 8, !tbaa !16
  call void @free(ptr noundef %27) #3
  %28 = load ptr, ptr %2, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.dudect_ctx_t, ptr %28, i32 0, i32 1
  %30 = load ptr, ptr %29, align 8, !tbaa !17
  call void @free(ptr noundef %30) #3
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.dudect_ctx_t, ptr %31, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8, !tbaa !18
  call void @free(ptr noundef %33) #3
  %34 = load ptr, ptr %2, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.dudect_ctx_t, ptr %34, i32 0, i32 4
  %36 = load ptr, ptr %35, align 8, !tbaa !19
  call void @free(ptr noundef %36) #3
  ret i32 0
}

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

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 "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 #3 = { 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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !6, i64 856}
!14 = !{!"", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !7, i64 40, !6, i64 856}
!15 = !{!14, !6, i64 16}
!16 = !{!14, !6, i64 24}
!17 = !{!14, !6, i64 8}
!18 = !{!14, !6, i64 0}
!19 = !{!14, !6, i64 32}


; 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 noundef i32 @dudect_free(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 40
  br label %15

3:                                                ; preds = %15
  %4 = getelementptr inbounds i8, ptr %0, i64 856
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  tail call void @free(ptr noundef %5) #2
  %6 = getelementptr inbounds i8, ptr %0, i64 16
  %7 = load ptr, ptr %6, align 8, !tbaa !10
  tail call void @free(ptr noundef %7) #2
  %8 = getelementptr inbounds i8, ptr %0, i64 24
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  tail call void @free(ptr noundef %9) #2
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  %11 = load ptr, ptr %10, align 8, !tbaa !12
  tail call void @free(ptr noundef %11) #2
  %12 = load ptr, ptr %0, align 8, !tbaa !13
  tail call void @free(ptr noundef %12) #2
  %13 = getelementptr inbounds i8, ptr %0, i64 32
  %14 = load ptr, ptr %13, align 8, !tbaa !14
  tail call void @free(ptr noundef %14) #2
  ret i32 0

15:                                               ; preds = %1, %15
  %indvars.iv = phi i64 [ 0, %1 ], [ %indvars.iv.next, %15 ]
  %16 = getelementptr inbounds [102 x ptr], ptr %2, i64 0, i64 %indvars.iv
  %17 = load ptr, ptr %16, align 8, !tbaa !15
  tail call void @free(ptr noundef %17) #2
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 102
  br i1 %exitcond.not, label %3, label %15, !llvm.loop !16
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

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" }
attributes #1 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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, !7, i64 856}
!6 = !{!"", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !8, i64 40, !7, i64 856}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 16}
!11 = !{!6, !7, i64 24}
!12 = !{!6, !7, i64 8}
!13 = !{!6, !7, i64 0}
!14 = !{!6, !7, i64 32}
!15 = !{!7, !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass