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

; 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 }

@_ZTV6Matrix = external dso_local unnamed_addr constant { [9 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6MatrixC2EiiPPKd(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, i32 noundef %2, ptr noundef %3) unnamed_addr #0 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !5
  %11 = load ptr, ptr %5, align 8
  store ptr getelementptr inbounds inrange(-16, 56) ({ [9 x ptr] }, ptr @_ZTV6Matrix, i32 0, i32 0, i32 2), ptr %11, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  %12 = getelementptr inbounds %class.Matrix, ptr %11, i32 0, i32 3
  store i32 0, ptr %12, align 4, !tbaa !13
  %13 = getelementptr inbounds %class.Matrix, ptr %11, i32 0, i32 2
  store i32 0, ptr %13, align 8, !tbaa !15
  %14 = getelementptr inbounds %class.Matrix, ptr %11, i32 0, i32 1
  store ptr null, ptr %14, align 8, !tbaa !16
  %15 = load i32, ptr %6, align 4, !tbaa !9
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = load ptr, ptr %11, align 8, !tbaa !11
  %18 = getelementptr inbounds ptr, ptr %17, i64 2
  %19 = load ptr, ptr %18, align 8
  call void %19(ptr noundef nonnull align 8 dereferenceable(24) %11, i32 noundef %15, i32 noundef %16)
  store i32 1, ptr %9, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %49, %4
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = icmp sle i32 %21, %22
  br i1 %23, label %24, label %52

24:                                               ; preds = %20
  store i32 1, ptr %10, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %45, %24
  %26 = load i32, ptr %10, align 4, !tbaa !9
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = icmp sle i32 %26, %27
  br i1 %28, label %29, label %48

29:                                               ; preds = %25
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = load i32, ptr %9, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds ptr, ptr %30, i64 %32
  %34 = load ptr, ptr %33, align 8, !tbaa !5
  %35 = load i32, ptr %10, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds double, ptr %34, i64 %36
  %38 = load double, ptr %37, align 8, !tbaa !17
  %39 = load i32, ptr %9, align 4, !tbaa !9
  %40 = load i32, ptr %10, align 4, !tbaa !9
  %41 = load ptr, ptr %11, align 8, !tbaa !11
  %42 = getelementptr inbounds ptr, ptr %41, i64 6
  %43 = load ptr, ptr %42, align 8
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr %43(ptr noundef nonnull align 8 dereferenceable(24) %11, i32 noundef %39, i32 noundef %40)
  store double %38, ptr %44, align 8, !tbaa !17
  br label %45

45:                                               ; preds = %29
  %46 = load i32, ptr %10, align 4, !tbaa !9
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %10, align 4, !tbaa !9
  br label %25, !llvm.loop !19

48:                                               ; preds = %25
  br label %49

49:                                               ; preds = %48
  %50 = load i32, ptr %9, align 4, !tbaa !9
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %9, align 4, !tbaa !9
  br label %20, !llvm.loop !21

52:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #2
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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, !10, i64 20}
!14 = !{!"_ZTS6Matrix", !6, i64 8, !10, i64 16, !10, i64 20}
!15 = !{!14, !10, i64 16}
!16 = !{!14, !6, i64 8}
!17 = !{!18, !18, i64 0}
!18 = !{!"double", !7, i64 0}
!19 = distinct !{!19, !20}
!20 = !{!"llvm.loop.mustprogress"}
!21 = distinct !{!21, !20}


; 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"

@_ZTV6Matrix = external dso_local unnamed_addr constant { [9 x ptr] }, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6MatrixC2EiiPPKd(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, i32 noundef %2, ptr nocapture noundef readonly %3) unnamed_addr #0 align 2 {
  store ptr getelementptr inbounds inrange(-16, 56) (i8, ptr @_ZTV6Matrix, i64 16), ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %5, i8 0, i64 16, i1 false)
  %6 = load ptr, ptr getelementptr inbounds inrange(-32, 40) (i8, ptr @_ZTV6Matrix, i64 32), align 8
  tail call void %6(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, i32 noundef %2)
  %.not17 = icmp slt i32 %1, 1
  %.not1415 = icmp slt i32 %2, 1
  %or.cond = or i1 %.not17, %.not1415
  br i1 %or.cond, label %._crit_edge19, label %.preheader.preheader

.preheader.preheader:                             ; preds = %4
  %7 = add nuw i32 %2, 1
  %8 = add nuw i32 %1, 1
  %wide.trip.count25 = zext i32 %8 to i64
  %wide.trip.count = zext i32 %7 to i64
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %._crit_edge
  %indvars.iv22 = phi i64 [ 1, %.preheader.preheader ], [ %indvars.iv.next23, %._crit_edge ]
  %9 = getelementptr inbounds ptr, ptr %3, i64 %indvars.iv22
  %10 = trunc nuw nsw i64 %indvars.iv22 to i32
  br label %11

11:                                               ; preds = %.preheader, %11
  %indvars.iv = phi i64 [ 1, %.preheader ], [ %indvars.iv.next, %11 ]
  %12 = load ptr, ptr %9, align 8, !tbaa !8
  %13 = getelementptr inbounds double, ptr %12, i64 %indvars.iv
  %14 = load double, ptr %13, align 8, !tbaa !11
  %15 = load ptr, ptr %0, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %15, i64 48
  %17 = load ptr, ptr %16, align 8
  %18 = trunc nuw nsw i64 %indvars.iv to i32
  %19 = tail call noundef nonnull align 8 dereferenceable(8) ptr %17(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %10, i32 noundef %18)
  store double %14, ptr %19, align 8, !tbaa !11
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %11, !llvm.loop !13

._crit_edge:                                      ; preds = %11
  %indvars.iv.next23 = add nuw nsw i64 %indvars.iv22, 1
  %exitcond26.not = icmp eq i64 %indvars.iv.next23, %wide.trip.count25
  br i1 %exitcond26.not, label %._crit_edge19, label %.preheader, !llvm.loop !15

._crit_edge19:                                    ; preds = %._crit_edge, %4
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


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