; 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"

@.str = external hidden unnamed_addr constant [58 x i8], align 1

; 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

declare void @_ZNK6Matrix5errorEPc(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZN6MatrixmIERKS_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #3 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) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %8 = call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %9)
  %11 = icmp ne i32 %8, %10
  br i1 %11, label %17, label %12

12:                                               ; preds = %2
  %13 = call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %14)
  %16 = icmp ne i32 %13, %15
  br i1 %16, label %17, label %18

17:                                               ; preds = %12, %2
  call void @_ZNK6Matrix5errorEPc(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef @.str)
  br label %18

18:                                               ; preds = %17, %12
  store i32 1, ptr %5, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %48, %18
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  %22 = icmp sle i32 %20, %21
  br i1 %22, label %23, label %51

23:                                               ; preds = %19
  store i32 1, ptr %6, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %44, %23
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %7)
  %27 = icmp sle i32 %25, %26
  br i1 %27, label %28, label %47

28:                                               ; preds = %24
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = load i32, ptr %5, align 4, !tbaa !9
  %31 = load i32, ptr %6, align 4, !tbaa !9
  %32 = load ptr, ptr %29, align 8, !tbaa !11
  %33 = getelementptr inbounds ptr, ptr %32, i64 5
  %34 = load ptr, ptr %33, align 8
  %35 = call noundef double %34(ptr noundef nonnull align 8 dereferenceable(24) %29, i32 noundef %30, i32 noundef %31)
  %36 = load i32, ptr %5, align 4, !tbaa !9
  %37 = load i32, ptr %6, align 4, !tbaa !9
  %38 = load ptr, ptr %7, align 8, !tbaa !11
  %39 = getelementptr inbounds ptr, ptr %38, i64 6
  %40 = load ptr, ptr %39, align 8
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr %40(ptr noundef nonnull align 8 dereferenceable(24) %7, i32 noundef %36, i32 noundef %37)
  %42 = load double, ptr %41, align 8, !tbaa !13
  %43 = fsub double %42, %35
  store double %43, ptr %41, align 8, !tbaa !13
  br label %44

44:                                               ; preds = %28
  %45 = load i32, ptr %6, align 4, !tbaa !9
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %6, align 4, !tbaa !9
  br label %24, !llvm.loop !15

47:                                               ; preds = %24
  br label %48

48:                                               ; preds = %47
  %49 = load i32, ptr %5, align 4, !tbaa !9
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %5, align 4, !tbaa !9
  br label %19, !llvm.loop !17

51:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  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 = { "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 = { 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 #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 = !{!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, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !7, 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"

@.str = external hidden unnamed_addr constant [58 x i8], align 1

; 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

declare void @_ZNK6Matrix5errorEPc(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZN6MatrixmIERKS_(ptr noundef nonnull returned align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #2 align 2 {
  %3 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %4 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %1)
  %.not = icmp eq i32 %3, %4
  br i1 %.not, label %5, label %8

5:                                                ; preds = %2
  %6 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %7 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %1)
  %.not12 = icmp eq i32 %6, %7
  br i1 %.not12, label %9, label %8

8:                                                ; preds = %5, %2
  tail call void @_ZNK6Matrix5errorEPc(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull @.str)
  br label %9

9:                                                ; preds = %8, %5
  %10 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not1317 = icmp slt i32 %10, 1
  br i1 %.not1317, label %._crit_edge19, label %.preheader

.preheader:                                       ; preds = %9, %._crit_edge
  %.01118 = phi i32 [ %24, %._crit_edge ], [ 1, %9 ]
  %11 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not1415 = icmp slt i32 %11, 1
  br i1 %.not1415, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.016 = phi i32 [ %22, %.lr.ph ], [ 1, %.preheader ]
  %12 = load ptr, ptr %1, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %12, i64 40
  %14 = load ptr, ptr %13, align 8
  %15 = tail call noundef double %14(ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %.01118, i32 noundef %.016)
  %16 = load ptr, ptr %0, align 8, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %16, i64 48
  %18 = load ptr, ptr %17, align 8
  %19 = tail call noundef nonnull align 8 dereferenceable(8) ptr %18(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %.01118, i32 noundef %.016)
  %20 = load double, ptr %19, align 8, !tbaa !8
  %21 = fsub double %20, %15
  store double %21, ptr %19, align 8, !tbaa !8
  %22 = add nuw nsw i32 %.016, 1
  %23 = tail call noundef i32 @_ZNK6Matrix6nbColsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not14.not = icmp slt i32 %.016, %23
  br i1 %.not14.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %24 = add nuw nsw i32 %.01118, 1
  %25 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not13.not = icmp slt i32 %.01118, %25
  br i1 %.not13.not, label %.preheader, label %._crit_edge19, !llvm.loop !13

._crit_edge19:                                    ; preds = %._crit_edge, %9
  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 = { "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" }

!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