; 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"

; 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 @_ZN6MatrixdVEd(ptr noundef nonnull align 8 dereferenceable(24) %0, double noundef %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !9
  %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
  store i32 1, ptr %5, align 4, !tbaa !11
  br label %8

8:                                                ; preds = %31, %2
  %9 = load i32, ptr %5, align 4, !tbaa !11
  %10 = call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  %11 = icmp sle i32 %9, %10
  br i1 %11, label %12, label %34

12:                                               ; preds = %8
  store i32 1, ptr %6, align 4, !tbaa !11
  br label %13

13:                                               ; preds = %27, %12
  %14 = load i32, ptr %6, align 4, !tbaa !11
  %15 = call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  %16 = icmp sle i32 %14, %15
  br i1 %16, label %17, label %30

17:                                               ; preds = %13
  %18 = load double, ptr %4, align 8, !tbaa !9
  %19 = load i32, ptr %5, align 4, !tbaa !11
  %20 = load i32, ptr %6, align 4, !tbaa !11
  %21 = load ptr, ptr %7, align 8, !tbaa !13
  %22 = getelementptr inbounds ptr, ptr %21, i64 6
  %23 = load ptr, ptr %22, align 8
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr %23(ptr noundef nonnull align 8 dereferenceable(24) %7, i32 noundef %19, i32 noundef %20)
  %25 = load double, ptr %24, align 8, !tbaa !9
  %26 = fdiv double %25, %18
  store double %26, ptr %24, align 8, !tbaa !9
  br label %27

27:                                               ; preds = %17
  %28 = load i32, ptr %6, align 4, !tbaa !11
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %6, align 4, !tbaa !11
  br label %13, !llvm.loop !15

30:                                               ; preds = %13
  br label %31

31:                                               ; preds = %30
  %32 = load i32, ptr %5, align 4, !tbaa !11
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %5, align 4, !tbaa !11
  br label %8, !llvm.loop !17

34:                                               ; preds = %8
  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, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}


; 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 @_ZN6MatrixdVEd(ptr noundef nonnull returned align 8 dereferenceable(24) %0, double noundef %1) local_unnamed_addr #1 align 2 {
  %3 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not11 = icmp slt i32 %3, 1
  br i1 %.not11, label %._crit_edge13, label %.preheader

.preheader:                                       ; preds = %2, %._crit_edge
  %.0712 = phi i32 [ %13, %._crit_edge ], [ 1, %2 ]
  %4 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not89 = icmp slt i32 %4, 1
  br i1 %.not89, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.010 = phi i32 [ %11, %.lr.ph ], [ 1, %.preheader ]
  %5 = load ptr, ptr %0, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %5, i64 48
  %7 = load ptr, ptr %6, align 8
  %8 = tail call noundef nonnull align 8 dereferenceable(8) ptr %7(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %.0712, i32 noundef %.010)
  %9 = load double, ptr %8, align 8, !tbaa !8
  %10 = fdiv double %9, %1
  store double %10, ptr %8, align 8, !tbaa !8
  %11 = add nuw nsw i32 %.010, 1
  %12 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not8.not = icmp slt i32 %.010, %12
  br i1 %.not8.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %13 = add nuw nsw i32 %.0712, 1
  %14 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not.not = icmp slt i32 %.0712, %14
  br i1 %.not.not, label %.preheader, label %._crit_edge13, !llvm.loop !13

._crit_edge13:                                    ; preds = %._crit_edge, %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, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"double", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


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