; LLVM IR from intel/cryptography-primitives :: sources/ippcp (pcpaesgcmtbl2kca)

; 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"

@AesGcmConst_table = external constant [256 x i16], align 16

; Function Attrs: nounwind uwtable
define dso_local void @AesGcmAuth_table2K_ct(ptr noundef %0, ptr noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4) #0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !5
  store ptr %4, ptr %10, align 8, !tbaa !5
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %15, %5
  %13 = load i32, ptr %8, align 4, !tbaa !9
  %14 = icmp sge i32 %13, 16
  br i1 %14, label %15, label %25

15:                                               ; preds = %12
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  call void @XorBlock16(ptr noundef %16, ptr noundef %17, ptr noundef %18)
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = load ptr, ptr %9, align 8, !tbaa !5
  call void @AesGcmMulGcm_table2K_ct(ptr noundef %19, ptr noundef %20, ptr noundef @AesGcmConst_table)
  %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
  %23 = load i32, ptr %8, align 4, !tbaa !9
  %24 = sub nsw i32 %23, 16
  store i32 %24, ptr %8, align 4, !tbaa !9
  br label %12, !llvm.loop !11

25:                                               ; preds = %12
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @XorBlock16(ptr noundef, ptr noundef, ptr noundef) #1

declare void @AesGcmMulGcm_table2K_ct(ptr noundef, ptr noundef, ptr noundef) #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 = { inlinehint 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 = { "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 = !{!"int", !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"

@AesGcmConst_table = external constant [256 x i16], align 16

; Function Attrs: nounwind uwtable
define dso_local void @AesGcmAuth_table2K_ct(ptr noundef %0, ptr noundef %1, i32 noundef %2, ptr noundef %3, ptr nocapture noundef readnone %4) local_unnamed_addr #0 {
  %6 = icmp sgt i32 %2, 15
  br i1 %6, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %5, %.lr.ph
  %.010 = phi ptr [ %7, %.lr.ph ], [ %1, %5 ]
  %.089 = phi i32 [ %8, %.lr.ph ], [ %2, %5 ]
  tail call void @XorBlock16(ptr noundef %.010, ptr noundef %0, ptr noundef %0)
  tail call void @AesGcmMulGcm_table2K_ct(ptr noundef %0, ptr noundef %3, ptr noundef nonnull @AesGcmConst_table) #3
  %7 = getelementptr inbounds i8, ptr %.010, i64 16
  %8 = add nsw i32 %.089, -16
  %9 = icmp ugt i32 %.089, 31
  br i1 %9, label %.lr.ph, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %5
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @XorBlock16(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

declare void @AesGcmMulGcm_table2K_ct(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 = { inlinehint 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 = { "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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass