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

; 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.Vector = type { %class.Matrix, ptr }
%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: 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(32) ptr @_ZN6VectoraSEPKd(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %7 = getelementptr inbounds %class.Vector, ptr %6, i32 0, i32 1
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %8, %9
  br i1 %10, label %11, label %31

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

12:                                               ; preds = %27, %11
  %13 = load i32, ptr %5, align 4, !tbaa !13
  %14 = call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %6)
  %15 = icmp sle i32 %13, %14
  br i1 %15, label %16, label %30

16:                                               ; preds = %12
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = load i32, ptr %5, align 4, !tbaa !13
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds double, ptr %17, i64 %19
  %21 = load double, ptr %20, align 8, !tbaa !14
  %22 = load i32, ptr %5, align 4, !tbaa !13
  %23 = load ptr, ptr %6, align 8, !tbaa !16
  %24 = getelementptr inbounds ptr, ptr %23, i64 10
  %25 = load ptr, ptr %24, align 8
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr %25(ptr noundef nonnull align 8 dereferenceable(32) %6, i32 noundef %22)
  store double %21, ptr %26, align 8, !tbaa !14
  br label %27

27:                                               ; preds = %16
  %28 = load i32, ptr %5, align 4, !tbaa !13
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %5, align 4, !tbaa !13
  br label %12, !llvm.loop !18

30:                                               ; preds = %12
  br label %31

31:                                               ; preds = %30, %2
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret ptr %6
}

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 24}
!10 = !{!"_ZTS6Vector", !11, i64 0, !6, i64 24}
!11 = !{!"_ZTS6Matrix", !6, i64 8, !12, i64 16, !12, i64 20}
!12 = !{!"int", !7, i64 0}
!13 = !{!12, !12, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"double", !7, i64 0}
!16 = !{!17, !17, i64 0}
!17 = !{!"vtable pointer", !8, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"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"

; 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: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZN6VectoraSEPKd(ptr noundef nonnull returned align 8 dereferenceable(32) %0, ptr noundef readonly %1) local_unnamed_addr #1 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 24
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %4, %1
  br i1 %.not, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %2
  %5 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %.not78 = icmp slt i32 %5, 1
  br i1 %.not78, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %.preheader ]
  %6 = getelementptr inbounds double, ptr %1, i64 %indvars.iv
  %7 = load double, ptr %6, align 8, !tbaa !12
  %8 = load ptr, ptr %0, align 8, !tbaa !14
  %9 = getelementptr inbounds i8, ptr %8, i64 80
  %10 = load ptr, ptr %9, align 8
  %11 = trunc nuw nsw i64 %indvars.iv to i32
  %12 = tail call noundef nonnull align 8 dereferenceable(8) ptr %10(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %11)
  store double %7, ptr %12, align 8, !tbaa !12
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %13 = tail call noundef i32 @_ZNK6Matrix6nbRowsEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %14 = sext i32 %13 to i64
  %.not7.not = icmp slt i64 %indvars.iv, %14
  br i1 %.not7.not, label %.lr.ph, label %.loopexit, !llvm.loop !16

.loopexit:                                        ; preds = %.lr.ph, %.preheader, %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, !8, i64 24}
!6 = !{!"_ZTS6Vector", !7, i64 0, !8, i64 24}
!7 = !{!"_ZTS6Matrix", !8, i64 8, !11, i64 16, !11, i64 20}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !9, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"vtable pointer", !10, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


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