; LLVM IR from Thre4dripper/DSA-Programs :: 02. Matrix/02_Subtraction.ll (Z8MultiplyPA5_iiiS0_iiS0_)

; 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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [26 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8MultiplyPA5_iiiS0_iiS0_(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, i32 noundef %4, i32 noundef %5, ptr noundef %6) #0 {
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca ptr, align 8
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i32 %1, ptr %9, align 4, !tbaa !9
  store i32 %2, ptr %10, align 4, !tbaa !9
  store ptr %3, ptr %11, align 8, !tbaa !5
  store i32 %4, ptr %12, align 4, !tbaa !9
  store i32 %5, ptr %13, align 4, !tbaa !9
  store ptr %6, ptr %14, align 8, !tbaa !5
  %18 = load i32, ptr %9, align 4, !tbaa !9
  %19 = load i32, ptr %12, align 4, !tbaa !9
  %20 = icmp eq i32 %18, %19
  br i1 %20, label %21, label %70

21:                                               ; preds = %7
  %22 = load i32, ptr %10, align 4, !tbaa !9
  %23 = load i32, ptr %13, align 4, !tbaa !9
  %24 = icmp eq i32 %22, %23
  br i1 %24, label %25, label %70

25:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  store i32 0, ptr %15, align 4, !tbaa !9
  br label %26

26:                                               ; preds = %66, %25
  %27 = load i32, ptr %15, align 4, !tbaa !9
  %28 = load i32, ptr %9, align 4, !tbaa !9
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  store i32 2, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  br label %69

31:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #3
  store i32 0, ptr %17, align 4, !tbaa !9
  br label %32

32:                                               ; preds = %62, %31
  %33 = load i32, ptr %17, align 4, !tbaa !9
  %34 = load i32, ptr %10, align 4, !tbaa !9
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %37, label %36

36:                                               ; preds = %32
  store i32 5, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #3
  br label %65

37:                                               ; preds = %32
  %38 = load ptr, ptr %8, align 8, !tbaa !5
  %39 = load i32, ptr %15, align 4, !tbaa !9
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [5 x i32], ptr %38, i64 %40
  %42 = load i32, ptr %17, align 4, !tbaa !9
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [5 x i32], ptr %41, i64 0, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !9
  %46 = load ptr, ptr %11, align 8, !tbaa !5
  %47 = load i32, ptr %15, align 4, !tbaa !9
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [5 x i32], ptr %46, i64 %48
  %50 = load i32, ptr %17, align 4, !tbaa !9
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [5 x i32], ptr %49, i64 0, i64 %51
  %53 = load i32, ptr %52, align 4, !tbaa !9
  %54 = sub nsw i32 %45, %53
  %55 = load ptr, ptr %14, align 8, !tbaa !5
  %56 = load i32, ptr %15, align 4, !tbaa !9
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [5 x i32], ptr %55, i64 %57
  %59 = load i32, ptr %17, align 4, !tbaa !9
  %60 = sext i32 %59 to i64
  %61 = getelementptr inbounds [5 x i32], ptr %58, i64 0, i64 %60
  store i32 %54, ptr %61, align 4, !tbaa !9
  br label %62

62:                                               ; preds = %37
  %63 = load i32, ptr %17, align 4, !tbaa !9
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %17, align 4, !tbaa !9
  br label %32, !llvm.loop !11

65:                                               ; preds = %36
  br label %66

66:                                               ; preds = %65
  %67 = load i32, ptr %15, align 4, !tbaa !9
  %68 = add nsw i32 %67, 1
  store i32 %68, ptr %15, align 4, !tbaa !9
  br label %26, !llvm.loop !13

69:                                               ; preds = %30
  br label %72

70:                                               ; preds = %21, %7
  %71 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  br label %72

72:                                               ; preds = %70, %69
  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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2

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 = { inlinehint 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [26 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8MultiplyPA5_iiiS0_iiS0_(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2, ptr nocapture noundef readonly %3, i32 noundef %4, i32 noundef %5, ptr nocapture noundef writeonly %6) local_unnamed_addr #0 {
  %8 = ptrtoint ptr %3 to i64
  %9 = ptrtoint ptr %0 to i64
  %10 = ptrtoint ptr %6 to i64
  %11 = icmp eq i32 %1, %4
  %12 = icmp eq i32 %2, %5
  %or.cond = and i1 %11, %12
  br i1 %or.cond, label %.preheader21, label %46

.preheader21:                                     ; preds = %7
  %13 = icmp sgt i32 %1, 0
  %14 = icmp sgt i32 %2, 0
  %or.cond31 = and i1 %13, %14
  br i1 %or.cond31, label %.preheader.us.preheader, label %.loopexit

.preheader.us.preheader:                          ; preds = %.preheader21
  %wide.trip.count29 = zext nneg i32 %1 to i64
  %wide.trip.count = zext nneg i32 %2 to i64
  %15 = sub i64 %10, %9
  %16 = sub i64 %10, %8
  %min.iters.check = icmp ult i32 %2, 8
  %diff.check = icmp ult i64 %15, 32
  %diff.check32 = icmp ult i64 %16, 32
  %conflict.rdx = or i1 %diff.check, %diff.check32
  %n.vec = and i64 %wide.trip.count, 2147483640
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  %xtraiter = and i64 %wide.trip.count, 1
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  %17 = add nsw i64 %wide.trip.count, -1
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us.preheader, %._crit_edge.us
  %indvars.iv26 = phi i64 [ 0, %.preheader.us.preheader ], [ %indvars.iv.next27, %._crit_edge.us ]
  %brmerge = or i1 %min.iters.check, %conflict.rdx
  br i1 %brmerge, label %scalar.ph.preheader, label %vector.body

vector.body:                                      ; preds = %.preheader.us, %vector.body
  %index = phi i64 [ %index.next, %vector.body ], [ 0, %.preheader.us ]
  %18 = getelementptr inbounds [5 x i32], ptr %0, i64 %indvars.iv26, i64 %index
  %19 = getelementptr inbounds i8, ptr %18, i64 16
  %wide.load = load <4 x i32>, ptr %18, align 4, !tbaa !5
  %wide.load33 = load <4 x i32>, ptr %19, align 4, !tbaa !5
  %20 = getelementptr inbounds [5 x i32], ptr %3, i64 %indvars.iv26, i64 %index
  %21 = getelementptr inbounds i8, ptr %20, i64 16
  %wide.load34 = load <4 x i32>, ptr %20, align 4, !tbaa !5
  %wide.load35 = load <4 x i32>, ptr %21, align 4, !tbaa !5
  %22 = sub nsw <4 x i32> %wide.load, %wide.load34
  %23 = sub nsw <4 x i32> %wide.load33, %wide.load35
  %24 = getelementptr inbounds [5 x i32], ptr %6, i64 %indvars.iv26, i64 %index
  %25 = getelementptr inbounds i8, ptr %24, i64 16
  store <4 x i32> %22, ptr %24, align 4, !tbaa !5
  store <4 x i32> %23, ptr %25, align 4, !tbaa !5
  %index.next = add nuw i64 %index, 8
  %26 = icmp eq i64 %index.next, %n.vec
  br i1 %26, label %middle.block, label %vector.body, !llvm.loop !9

middle.block:                                     ; preds = %vector.body
  br i1 %cmp.n, label %._crit_edge.us, label %scalar.ph.preheader

scalar.ph.preheader:                              ; preds = %.preheader.us, %middle.block
  %indvars.iv.ph = phi i64 [ 0, %.preheader.us ], [ %n.vec, %middle.block ]
  br i1 %lcmp.mod.not, label %scalar.ph.prol.loopexit, label %scalar.ph.prol

scalar.ph.prol:                                   ; preds = %scalar.ph.preheader
  %27 = getelementptr inbounds [5 x i32], ptr %0, i64 %indvars.iv26, i64 %indvars.iv.ph
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = getelementptr inbounds [5 x i32], ptr %3, i64 %indvars.iv26, i64 %indvars.iv.ph
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = sub nsw i32 %28, %30
  %32 = getelementptr inbounds [5 x i32], ptr %6, i64 %indvars.iv26, i64 %indvars.iv.ph
  store i32 %31, ptr %32, align 4, !tbaa !5
  %indvars.iv.next.prol = or disjoint i64 %indvars.iv.ph, 1
  br label %scalar.ph.prol.loopexit

scalar.ph.prol.loopexit:                          ; preds = %scalar.ph.prol, %scalar.ph.preheader
  %indvars.iv.unr = phi i64 [ %indvars.iv.ph, %scalar.ph.preheader ], [ %indvars.iv.next.prol, %scalar.ph.prol ]
  %33 = icmp eq i64 %indvars.iv.ph, %17
  br i1 %33, label %._crit_edge.us, label %scalar.ph

scalar.ph:                                        ; preds = %scalar.ph.prol.loopexit, %scalar.ph
  %indvars.iv = phi i64 [ %indvars.iv.next.1, %scalar.ph ], [ %indvars.iv.unr, %scalar.ph.prol.loopexit ]
  %34 = getelementptr inbounds [5 x i32], ptr %0, i64 %indvars.iv26, i64 %indvars.iv
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = getelementptr inbounds [5 x i32], ptr %3, i64 %indvars.iv26, i64 %indvars.iv
  %37 = load i32, ptr %36, align 4, !tbaa !5
  %38 = sub nsw i32 %35, %37
  %39 = getelementptr inbounds [5 x i32], ptr %6, i64 %indvars.iv26, i64 %indvars.iv
  store i32 %38, ptr %39, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %40 = getelementptr inbounds [5 x i32], ptr %0, i64 %indvars.iv26, i64 %indvars.iv.next
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = getelementptr inbounds [5 x i32], ptr %3, i64 %indvars.iv26, i64 %indvars.iv.next
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = sub nsw i32 %41, %43
  %45 = getelementptr inbounds [5 x i32], ptr %6, i64 %indvars.iv26, i64 %indvars.iv.next
  store i32 %44, ptr %45, align 4, !tbaa !5
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %exitcond.not.1 = icmp eq i64 %indvars.iv.next.1, %wide.trip.count
  br i1 %exitcond.not.1, label %._crit_edge.us, label %scalar.ph, !llvm.loop !13

._crit_edge.us:                                   ; preds = %scalar.ph.prol.loopexit, %scalar.ph, %middle.block
  %indvars.iv.next27 = add nuw nsw i64 %indvars.iv26, 1
  %exitcond30.not = icmp eq i64 %indvars.iv.next27, %wide.trip.count29
  br i1 %exitcond30.not, label %.loopexit, label %.preheader.us, !llvm.loop !14

46:                                               ; preds = %7
  %47 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  br label %.loopexit

.loopexit:                                        ; preds = %._crit_edge.us, %.preheader21, %46
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #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 = { inlinehint 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10, !11, !12}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.isvectorized", i32 1}
!12 = !{!"llvm.loop.unroll.runtime.disable"}
!13 = distinct !{!13, !10, !11}
!14 = distinct !{!14, !10}


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