; LLVM IR from clunietp/libgmsd :: src (matrix)

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

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @matrix_cols(ptr noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @matrix_rows(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @check2_(ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_crow(ptr noundef, i64 noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_row(ptr noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @matrix_cwise_divide(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = call zeroext i1 @check2_(ptr noundef %13, ptr noundef %14, ptr noundef %15)
  br i1 %16, label %18, label %17

17:                                               ; preds = %3
  store i32 1, ptr %12, align 4
  br label %60

18:                                               ; preds = %3
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %19

19:                                               ; preds = %56, %18
  %20 = load i64, ptr %7, align 8, !tbaa !9
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = call i64 @matrix_rows(ptr noundef %21)
  %23 = icmp ult i64 %20, %22
  br i1 %23, label %24, label %59

24:                                               ; preds = %19
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = load i64, ptr %7, align 8, !tbaa !9
  %27 = call ptr @matrix_crow(ptr noundef %25, i64 noundef %26)
  store ptr %27, ptr %9, align 8, !tbaa !5
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load i64, ptr %7, align 8, !tbaa !9
  %30 = call ptr @matrix_crow(ptr noundef %28, i64 noundef %29)
  store ptr %30, ptr %10, align 8, !tbaa !5
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = load i64, ptr %7, align 8, !tbaa !9
  %33 = call ptr @matrix_row(ptr noundef %31, i64 noundef %32)
  store ptr %33, ptr %11, align 8, !tbaa !5
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %34

34:                                               ; preds = %46, %24
  %35 = load i64, ptr %8, align 8, !tbaa !9
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = call i64 @matrix_cols(ptr noundef %36)
  %38 = icmp ult i64 %35, %37
  br i1 %38, label %39, label %55

39:                                               ; preds = %34
  %40 = load ptr, ptr %9, align 8, !tbaa !5
  %41 = load float, ptr %40, align 4, !tbaa !11
  %42 = load ptr, ptr %10, align 8, !tbaa !5
  %43 = load float, ptr %42, align 4, !tbaa !11
  %44 = fdiv float %41, %43
  %45 = load ptr, ptr %11, align 8, !tbaa !5
  store float %44, ptr %45, align 4, !tbaa !11
  br label %46

46:                                               ; preds = %39
  %47 = load i64, ptr %8, align 8, !tbaa !9
  %48 = add i64 %47, 1
  store i64 %48, ptr %8, align 8, !tbaa !9
  %49 = load ptr, ptr %9, align 8, !tbaa !5
  %50 = getelementptr inbounds float, ptr %49, i32 1
  store ptr %50, ptr %9, align 8, !tbaa !5
  %51 = load ptr, ptr %10, align 8, !tbaa !5
  %52 = getelementptr inbounds float, ptr %51, i32 1
  store ptr %52, ptr %10, align 8, !tbaa !5
  %53 = load ptr, ptr %11, align 8, !tbaa !5
  %54 = getelementptr inbounds float, ptr %53, i32 1
  store ptr %54, ptr %11, align 8, !tbaa !5
  br label %34, !llvm.loop !13

55:                                               ; preds = %34
  br label %56

56:                                               ; preds = %55
  %57 = load i64, ptr %7, align 8, !tbaa !9
  %58 = add i64 %57, 1
  store i64 %58, ptr %7, align 8, !tbaa !9
  br label %19, !llvm.loop !15

59:                                               ; preds = %19
  store i32 0, ptr %12, align 4
  br label %60

60:                                               ; preds = %59, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  %61 = load i32, ptr %12, align 4
  switch i32 %61, label %63 [
    i32 0, label %62
    i32 1, label %62
  ]

62:                                               ; preds = %60, %60
  ret void

63:                                               ; preds = %60
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { 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 #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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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 nounwind uwtable
declare hidden i64 @matrix_cols(ptr noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @matrix_rows(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @check2_(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_crow(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_row(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @matrix_cwise_divide(ptr noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = tail call zeroext i1 @check2_(ptr noundef %0, ptr noundef %1, ptr noundef %2)
  br i1 %4, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %3
  %5 = tail call i64 @matrix_rows(ptr noundef %0)
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %.loopexit, label %.lr.ph29

.lr.ph29:                                         ; preds = %.preheader, %._crit_edge
  %.02328 = phi i64 [ %19, %._crit_edge ], [ 0, %.preheader ]
  %6 = tail call ptr @matrix_crow(ptr noundef %1, i64 noundef %.02328)
  %7 = tail call ptr @matrix_crow(ptr noundef %2, i64 noundef %.02328)
  %8 = tail call ptr @matrix_row(ptr noundef %0, i64 noundef %.02328)
  %9 = tail call i64 @matrix_cols(ptr noundef %0)
  %.not30 = icmp eq i64 %9, 0
  br i1 %.not30, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph29, %.lr.ph
  %.027 = phi ptr [ %16, %.lr.ph ], [ %8, %.lr.ph29 ]
  %.02026 = phi ptr [ %15, %.lr.ph ], [ %7, %.lr.ph29 ]
  %.02125 = phi ptr [ %14, %.lr.ph ], [ %6, %.lr.ph29 ]
  %.02224 = phi i64 [ %13, %.lr.ph ], [ 0, %.lr.ph29 ]
  %10 = load float, ptr %.02125, align 4, !tbaa !5
  %11 = load float, ptr %.02026, align 4, !tbaa !5
  %12 = fdiv float %10, %11
  store float %12, ptr %.027, align 4, !tbaa !5
  %13 = add nuw i64 %.02224, 1
  %14 = getelementptr inbounds i8, ptr %.02125, i64 4
  %15 = getelementptr inbounds i8, ptr %.02026, i64 4
  %16 = getelementptr inbounds i8, ptr %.027, i64 4
  %17 = tail call i64 @matrix_cols(ptr noundef %0)
  %18 = icmp ult i64 %13, %17
  br i1 %18, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph29
  %19 = add nuw i64 %.02328, 1
  %20 = tail call i64 @matrix_rows(ptr noundef %0)
  %21 = icmp ult i64 %19, %20
  br i1 %21, label %.lr.ph29, label %.loopexit, !llvm.loop !11

.loopexit:                                        ; preds = %._crit_edge, %.preheader, %3
  ret void
}

attributes #0 = { inlinehint 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 = { 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" }

!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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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