; LLVM IR from gbanegas/CryptoSith :: gf/GFieldElement.ll (ZN11galoisfield13GFieldElementC2EPNS_6GFieldEi)

; 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"

%"class.galoisfield::GFieldElement" = type <{ ptr, i32, [4 x i8] }>

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11galoisfield13GFieldElementC2EPNS_6GFieldEi(ptr noundef nonnull align 8 dereferenceable(12) %0, ptr noundef %1, i32 noundef %2) unnamed_addr #0 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %7 = load ptr, ptr %4, align 8
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %10, label %19

10:                                               ; preds = %3
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds %"class.galoisfield::GFieldElement", ptr %7, i32 0, i32 0
  store ptr %11, ptr %12, align 8, !tbaa !11
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = getelementptr inbounds %"class.galoisfield::GFieldElement", ptr %7, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !11
  %16 = call noundef i32 @_ZNK11galoisfield6GField4sizeEv(ptr noundef nonnull align 8 dereferenceable(64) %15)
  %17 = and i32 %13, %16
  %18 = getelementptr inbounds %"class.galoisfield::GFieldElement", ptr %7, i32 0, i32 1
  store i32 %17, ptr %18, align 8, !tbaa !13
  br label %22

19:                                               ; preds = %3
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = getelementptr inbounds %"class.galoisfield::GFieldElement", ptr %7, i32 0, i32 1
  store i32 %20, ptr %21, align 8, !tbaa !13
  br label %22

22:                                               ; preds = %19, %10
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK11galoisfield6GField4sizeEv(ptr noundef nonnull align 8 dereferenceable(64)) #1 align 2

attributes #0 = { mustprogress 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 mustprogress 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" }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSN11galoisfield13GFieldElementE", !6, i64 0, !10, i64 8}
!13 = !{!12, !10, i64 8}


; 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 nounwind uwtable
define dso_local void @_ZN11galoisfield13GFieldElementC2EPNS_6GFieldEi(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(12) %0, ptr noundef %1, i32 noundef %2) unnamed_addr #0 align 2 {
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %7, label %4

4:                                                ; preds = %3
  store ptr %1, ptr %0, align 8, !tbaa !5
  %5 = tail call noundef i32 @_ZNK11galoisfield6GField4sizeEv(ptr noundef nonnull align 8 dereferenceable(64) %1)
  %6 = and i32 %5, %2
  br label %7

7:                                                ; preds = %3, %4
  %.sink = phi i32 [ %6, %4 ], [ %2, %3 ]
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 %.sink, ptr %8, align 8
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK11galoisfield6GField4sizeEv(ptr noundef nonnull align 8 dereferenceable(64)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress 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 mustprogress 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" }

!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 0}
!6 = !{!"_ZTSN11galoisfield13GFieldElementE", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,MergedLoadStoreMotionPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass