; LLVM IR from MidnightBlueLabs/TETRA_crypto :: hurdle (HURDLE_enc_cbc)

; 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.HURDLE_CTX = type { [256 x i8] }

; 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
declare dso_local void @HURDLE_set_key(ptr noundef, ptr noundef) #1

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

; Function Attrs: nounwind uwtable
define dso_local void @HURDLE_enc_cbc(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca [8 x i8], align 1
  %8 = alloca %struct.HURDLE_CTX, align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 256, ptr %8) #2
  %9 = load ptr, ptr %6, align 8, !tbaa !5
  call void @HURDLE_set_key(ptr noundef %9, ptr noundef %8)
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  call void @HURDLE_encrypt(ptr noundef %10, ptr noundef %11, ptr noundef %8, i8 noundef zeroext 0)
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %12, i64 0
  %14 = load i32, ptr %13, align 4, !tbaa !9
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %15, i64 8
  %17 = load i32, ptr %16, align 4, !tbaa !9
  %18 = xor i32 %14, %17
  %19 = getelementptr inbounds [8 x i8], ptr %7, i64 0, i64 0
  store i32 %18, ptr %19, align 1, !tbaa !9
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds i8, ptr %20, i64 4
  %22 = load i32, ptr %21, align 4, !tbaa !9
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = getelementptr inbounds i8, ptr %23, i64 12
  %25 = load i32, ptr %24, align 4, !tbaa !9
  %26 = xor i32 %22, %25
  %27 = getelementptr inbounds [8 x i8], ptr %7, i64 0, i64 4
  store i32 %26, ptr %27, align 1, !tbaa !9
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds i8, ptr %28, i64 8
  %30 = getelementptr inbounds [8 x i8], ptr %7, i64 0, i64 0
  call void @HURDLE_encrypt(ptr noundef %29, ptr noundef %30, ptr noundef %8, i8 noundef zeroext 0)
  call void @llvm.lifetime.end.p0(i64 256, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; 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"

%struct.HURDLE_CTX = type { [256 x i8] }

; 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
declare dso_local void @HURDLE_set_key(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @HURDLE_encrypt(ptr noundef, ptr noundef, ptr noundef, i8 noundef zeroext) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @HURDLE_enc_cbc(ptr noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = alloca [8 x i8], align 8
  %5 = alloca %struct.HURDLE_CTX, align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #2
  call void @llvm.lifetime.start.p0(i64 256, ptr nonnull %5) #2
  call void @HURDLE_set_key(ptr noundef %2, ptr noundef nonnull %5)
  call void @HURDLE_encrypt(ptr noundef %0, ptr noundef %1, ptr noundef nonnull %5, i8 noundef zeroext 0)
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = load <2 x i32>, ptr %0, align 4, !tbaa !5
  %8 = load <2 x i32>, ptr %6, align 4, !tbaa !5
  %9 = xor <2 x i32> %8, %7
  store <2 x i32> %9, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  call void @HURDLE_encrypt(ptr noundef nonnull %10, ptr noundef nonnull %4, ptr noundef nonnull %5, i8 noundef zeroext 0)
  call void @llvm.lifetime.end.p0(i64 256, ptr nonnull %5) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #2
  ret void
}

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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SLPVectorizerPass,SROAPass