; LLVM IR from microsoft/PQCrypto-SIDH :: tests/aes (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"

@.str = external hidden unnamed_addr constant [24 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [73 x i8], align 1
@__PRETTY_FUNCTION__.AES256_ECB_enc_sch = external hidden unnamed_addr constant [80 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @AES256_ECB_enc_sch(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
  %9 = alloca i64, 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
  %10 = load i64, ptr %6, align 8, !tbaa !9
  %11 = urem i64 %10, 16
  %12 = icmp eq i64 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %4
  br label %15

14:                                               ; preds = %4
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 17, ptr noundef @__PRETTY_FUNCTION__.AES256_ECB_enc_sch) #4
  unreachable

15:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  store i64 0, ptr %9, align 8, !tbaa !9
  br label %16

16:                                               ; preds = %32, %15
  %17 = load i64, ptr %9, align 8, !tbaa !9
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = udiv i64 %18, 16
  %20 = icmp ult i64 %17, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %35

22:                                               ; preds = %16
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = load i64, ptr %9, align 8, !tbaa !9
  %25 = mul i64 16, %24
  %26 = getelementptr inbounds i8, ptr %23, i64 %25
  %27 = load ptr, ptr %7, align 8, !tbaa !5
  %28 = load ptr, ptr %8, align 8, !tbaa !5
  %29 = load i64, ptr %9, align 8, !tbaa !9
  %30 = mul i64 16, %29
  %31 = getelementptr inbounds i8, ptr %28, i64 %30
  call void @aes256_enc_c(ptr noundef %26, ptr noundef %27, ptr noundef %31)
  br label %32

32:                                               ; preds = %22
  %33 = load i64, ptr %9, align 8, !tbaa !9
  %34 = add i64 %33, 1
  store i64 %34, ptr %9, align 8, !tbaa !9
  br label %16, !llvm.loop !11

35:                                               ; preds = %21
  ret void
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare void @aes256_enc_c(ptr noundef, ptr noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

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 = { noreturn 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 #4 = { noreturn nounwind }
attributes #5 = { 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 = 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"

@.str = external hidden unnamed_addr constant [24 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [73 x i8], align 1
@__PRETTY_FUNCTION__.AES256_ECB_enc_sch = external hidden unnamed_addr constant [80 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @AES256_ECB_enc_sch(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = and i64 %1, 15
  %6 = icmp eq i64 %5, 0
  br i1 %6, label %.preheader, label %8

.preheader:                                       ; preds = %4
  %7 = lshr exact i64 %1, 4
  %.not = icmp eq i64 %1, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

8:                                                ; preds = %4
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 17, ptr noundef nonnull @__PRETTY_FUNCTION__.AES256_ECB_enc_sch) #3
  unreachable

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

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.08 = phi i64 [ %12, %.lr.ph ], [ 0, %.preheader ]
  %9 = shl nuw i64 %.08, 4
  %10 = getelementptr inbounds i8, ptr %0, i64 %9
  %11 = getelementptr inbounds i8, ptr %3, i64 %9
  tail call void @aes256_enc_c(ptr noundef %10, ptr noundef %2, ptr noundef %11) #4
  %12 = add nuw nsw i64 %.08, 1
  %exitcond.not = icmp eq i64 %12, %7
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

declare void @aes256_enc_c(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

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 = { noreturn 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 #2 = { "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 = { noreturn nounwind }
attributes #4 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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