; LLVM IR from ox-vgg/vise :: src/search_engine/relja_retrival/external/KMCode_relja/matrix (operator)

; 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.Matrix = type { ptr, ptr, i32, i32 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZN6MatrixaSEPPKd(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %8 = getelementptr inbounds %class.Matrix, ptr %7, i32 0, i32 1
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = icmp ne ptr %9, %10
  br i1 %11, label %12, label %46

12:                                               ; preds = %2
  store i32 1, ptr %5, align 4, !tbaa !12
  br label %13

13:                                               ; preds = %42, %12
  %14 = load i32, ptr %5, align 4, !tbaa !12
  %15 = call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  %16 = icmp sle i32 %14, %15
  br i1 %16, label %17, label %45

17:                                               ; preds = %13
  store i32 1, ptr %6, align 4, !tbaa !12
  br label %18

18:                                               ; preds = %38, %17
  %19 = load i32, ptr %6, align 4, !tbaa !12
  %20 = call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  %21 = icmp sle i32 %19, %20
  br i1 %21, label %22, label %41

22:                                               ; preds = %18
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = load i32, ptr %5, align 4, !tbaa !12
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds ptr, ptr %23, i64 %25
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  %28 = load i32, ptr %6, align 4, !tbaa !12
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds double, ptr %27, i64 %29
  %31 = load double, ptr %30, align 8, !tbaa !13
  %32 = load i32, ptr %5, align 4, !tbaa !12
  %33 = load i32, ptr %6, align 4, !tbaa !12
  %34 = load ptr, ptr %7, align 8, !tbaa !15
  %35 = getelementptr inbounds ptr, ptr %34, i64 6
  %36 = load ptr, ptr %35, align 8
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr %36(ptr noundef nonnull align 8 dereferenceable(24) %7, i32 noundef %32, i32 noundef %33)
  store double %31, ptr %37, align 8, !tbaa !13
  br label %38

38:                                               ; preds = %22
  %39 = load i32, ptr %6, align 4, !tbaa !12
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %6, align 4, !tbaa !12
  br label %18, !llvm.loop !17

41:                                               ; preds = %18
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %5, align 4, !tbaa !12
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %5, align 4, !tbaa !12
  br label %13, !llvm.loop !19

45:                                               ; preds = %13
  br label %46

46:                                               ; preds = %45, %2
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret ptr %7
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
attributes #2 = { 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 #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++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"_ZTS6Matrix", !6, i64 8, !11, i64 16, !11, i64 20}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !7, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"vtable pointer", !8, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}
!19 = distinct !{!19, !18}


; 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZN6MatrixaSEPPKd(ptr noundef nonnull returned align 8 dereferenceable(24) %0, ptr noundef readonly %1) local_unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %4, %1
  br i1 %.not, label %.loopexit, label %.preheader14

.preheader14:                                     ; preds = %2
  %5 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not1217 = icmp slt i32 %5, 1
  br i1 %.not1217, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %.preheader14, %._crit_edge
  %indvars.iv20 = phi i64 [ %indvars.iv.next21, %._crit_edge ], [ 1, %.preheader14 ]
  %6 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not1315 = icmp slt i32 %6, 1
  br i1 %.not1315, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader
  %7 = getelementptr inbounds ptr, ptr %1, i64 %indvars.iv20
  %8 = trunc nuw nsw i64 %indvars.iv20 to i32
  br label %9

9:                                                ; preds = %.lr.ph, %9
  %indvars.iv = phi i64 [ 1, %.lr.ph ], [ %indvars.iv.next, %9 ]
  %10 = load ptr, ptr %7, align 8, !tbaa !11
  %11 = getelementptr inbounds double, ptr %10, i64 %indvars.iv
  %12 = load double, ptr %11, align 8, !tbaa !12
  %13 = load ptr, ptr %0, align 8, !tbaa !14
  %14 = getelementptr inbounds i8, ptr %13, i64 48
  %15 = load ptr, ptr %14, align 8
  %16 = trunc nuw nsw i64 %indvars.iv to i32
  %17 = tail call noundef nonnull align 8 dereferenceable(8) ptr %15(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %8, i32 noundef %16)
  store double %12, ptr %17, align 8, !tbaa !12
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %18 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %19 = sext i32 %18 to i64
  %.not13.not = icmp slt i64 %indvars.iv, %19
  br i1 %.not13.not, label %9, label %._crit_edge, !llvm.loop !16

._crit_edge:                                      ; preds = %9, %.preheader
  %indvars.iv.next21 = add nuw nsw i64 %indvars.iv20, 1
  %20 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %21 = sext i32 %20 to i64
  %.not12.not = icmp slt i64 %indvars.iv20, %21
  br i1 %.not12.not, label %.preheader, label %.loopexit, !llvm.loop !18

.loopexit:                                        ; preds = %._crit_edge, %.preheader14, %2
  ret ptr %0
}

attributes #0 = { 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" }
attributes #1 = { 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" }

!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 8}
!6 = !{!"_ZTS6Matrix", !7, i64 8, !10, i64 16, !10, i64 20}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !8, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"vtable pointer", !9, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}
!18 = distinct !{!18, !17}


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