; LLVM IR from SoloGameDevGitHub/AIEngine :: Miscellaneous/Matrix.ll (ZN6Matrix8multiplyERS_d)

; 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: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK6Matrix3getEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6Matrix3setEiid(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef, double noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix7getRowsEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix10getColumnsEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6Matrix8multiplyERS_d(ptr noundef nonnull align 8 dereferenceable(32) %0, double noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca double, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  store i32 0, ptr %5, align 4, !tbaa !11
  br label %9

9:                                                ; preds = %37, %2
  %10 = load i32, ptr %5, align 4, !tbaa !11
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = call noundef i32 @_ZNK6Matrix7getRowsEv(ptr noundef nonnull align 8 dereferenceable(32) %11)
  %13 = icmp slt i32 %10, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %9
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  br label %40

15:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  store i32 0, ptr %7, align 4, !tbaa !11
  br label %16

16:                                               ; preds = %33, %15
  %17 = load i32, ptr %7, align 4, !tbaa !11
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = call noundef i32 @_ZNK6Matrix10getColumnsEv(ptr noundef nonnull align 8 dereferenceable(32) %18)
  %20 = icmp slt i32 %17, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %16
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  br label %36

22:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = load i32, ptr %5, align 4, !tbaa !11
  %25 = load i32, ptr %7, align 4, !tbaa !11
  %26 = call noundef double @_ZNK6Matrix3getEii(ptr noundef nonnull align 8 dereferenceable(32) %23, i32 noundef %24, i32 noundef %25)
  %27 = load double, ptr %4, align 8, !tbaa !9
  %28 = fmul double %26, %27
  store double %28, ptr %8, align 8, !tbaa !9
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = load i32, ptr %5, align 4, !tbaa !11
  %31 = load i32, ptr %7, align 4, !tbaa !11
  %32 = load double, ptr %8, align 8, !tbaa !9
  call void @_ZN6Matrix3setEiid(ptr noundef nonnull align 8 dereferenceable(32) %29, i32 noundef %30, i32 noundef %31, double noundef %32)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  br label %33

33:                                               ; preds = %22
  %34 = load i32, ptr %7, align 4, !tbaa !11
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %7, align 4, !tbaa !11
  br label %16, !llvm.loop !13

36:                                               ; preds = %21
  br label %37

37:                                               ; preds = %36
  %38 = load i32, ptr %5, align 4, !tbaa !11
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %5, align 4, !tbaa !11
  br label %9, !llvm.loop !15

40:                                               ; preds = %14
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = 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: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK6Matrix3getEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6Matrix3setEiid(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef, double noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix7getRowsEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Matrix10getColumnsEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN6Matrix8multiplyERS_d(ptr noundef nonnull align 8 dereferenceable(32) %0, double noundef %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef i32 @_ZNK6Matrix7getRowsEv(ptr noundef nonnull align 8 dereferenceable(32) %0)
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.preheader, label %._crit_edge16

.preheader:                                       ; preds = %2, %._crit_edge
  %.015 = phi i32 [ %7, %._crit_edge ], [ 0, %2 ]
  %5 = tail call noundef i32 @_ZNK6Matrix10getColumnsEv(ptr noundef nonnull align 8 dereferenceable(32) %0)
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge16:                                    ; preds = %._crit_edge, %2
  ret void

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %7 = add nuw nsw i32 %.015, 1
  %8 = tail call noundef i32 @_ZNK6Matrix7getRowsEv(ptr noundef nonnull align 8 dereferenceable(32) %0)
  %9 = icmp slt i32 %7, %8
  br i1 %9, label %.preheader, label %._crit_edge16, !llvm.loop !5

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.01314 = phi i32 [ %12, %.lr.ph ], [ 0, %.preheader ]
  %10 = tail call noundef double @_ZNK6Matrix3getEii(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %.015, i32 noundef %.01314)
  %11 = fmul double %10, %1
  tail call void @_ZN6Matrix3setEiid(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %.015, i32 noundef %.01314, double noundef %11)
  %12 = add nuw nsw i32 %.01314, 1
  %13 = tail call noundef i32 @_ZNK6Matrix10getColumnsEv(ptr noundef nonnull align 8 dereferenceable(32) %0)
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !7
}

attributes #0 = { 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" }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = distinct !{!7, !6}


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