; LLVM IR from namantam1/x86-assembly :: x86_64/inline-assembly (2d_arr)

; 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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1

; 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: naked noinline nounwind uwtable
declare dso_local i32 @sol(ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = mul i64 %12, 8
  %14 = call noalias ptr @malloc(i64 noundef %13) #7
  store ptr %14, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %48, %0
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %51

20:                                               ; preds = %15
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = mul i64 %22, 4
  %24 = call noalias ptr @malloc(i64 noundef %23) #7
  %25 = load ptr, ptr %4, align 8, !tbaa !9
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds ptr, ptr %25, i64 %27
  store ptr %24, ptr %28, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %44, %20
  %30 = load i32, ptr %7, align 4, !tbaa !5
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %47

34:                                               ; preds = %29
  %35 = load ptr, ptr %4, align 8, !tbaa !9
  %36 = load i32, ptr %5, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds ptr, ptr %35, i64 %37
  %39 = load ptr, ptr %38, align 8, !tbaa !9
  %40 = load i32, ptr %7, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds i32, ptr %39, i64 %41
  %43 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %42)
  br label %44

44:                                               ; preds = %34
  %45 = load i32, ptr %7, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %7, align 4, !tbaa !5
  br label %29, !llvm.loop !11

47:                                               ; preds = %33
  br label %48

48:                                               ; preds = %47
  %49 = load i32, ptr %5, align 4, !tbaa !5
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %5, align 4, !tbaa !5
  br label %15, !llvm.loop !13

51:                                               ; preds = %19
  %52 = load ptr, ptr %4, align 8, !tbaa !9
  %53 = load i32, ptr %2, align 4, !tbaa !5
  %54 = load i32, ptr %3, align 4, !tbaa !5
  %55 = call i32 @sol(ptr noundef %52, i32 noundef %53, i32 noundef %54)
  %56 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %55)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %57

57:                                               ; preds = %68, %51
  %58 = load i32, ptr %8, align 4, !tbaa !5
  %59 = load i32, ptr %2, align 4, !tbaa !5
  %60 = icmp slt i32 %58, %59
  br i1 %60, label %62, label %61

61:                                               ; preds = %57
  store i32 8, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %71

62:                                               ; preds = %57
  %63 = load ptr, ptr %4, align 8, !tbaa !9
  %64 = load i32, ptr %8, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds ptr, ptr %63, i64 %65
  %67 = load ptr, ptr %66, align 8, !tbaa !9
  call void @free(ptr noundef %67) #6
  br label %68

68:                                               ; preds = %62
  %69 = load i32, ptr %8, align 4, !tbaa !5
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %8, align 4, !tbaa !5
  br label %57, !llvm.loop !14

71:                                               ; preds = %61
  %72 = load ptr, ptr %4, align 8, !tbaa !9
  call void @free(ptr noundef %72) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %73 = load i32, ptr %1, align 4
  ret i32 %73
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #4

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { naked noinline 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 = { "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 #4 = { nounwind allocsize(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 #5 = { nounwind "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 #6 = { nounwind }
attributes #7 = { nounwind allocsize(0) }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1

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

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

; Function Attrs: naked noinline nounwind uwtable
declare dso_local i32 @sol(ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %6 = sext i32 %5 to i64
  %7 = shl nsw i64 %6, 3
  %8 = call noalias ptr @malloc(i64 noundef %7) #7
  %9 = icmp sgt i32 %5, 0
  %.pre39 = load i32, ptr %2, align 4, !tbaa !5
  br i1 %9, label %.lr.ph21, label %._crit_edge22

.lr.ph21:                                         ; preds = %0
  %10 = icmp sgt i32 %.pre39, 0
  br i1 %10, label %.lr.ph21.split, label %.lr.ph21.split.us

.lr.ph21.split.us:                                ; preds = %.lr.ph21
  %11 = sext i32 %.pre39 to i64
  %12 = shl nsw i64 %11, 2
  %wide.trip.count = zext nneg i32 %5 to i64
  br label %13

13:                                               ; preds = %13, %.lr.ph21.split.us
  %indvars.iv = phi i64 [ %indvars.iv.next, %13 ], [ 0, %.lr.ph21.split.us ]
  %14 = call noalias ptr @malloc(i64 noundef %12) #7
  %15 = getelementptr inbounds ptr, ptr %8, i64 %indvars.iv
  store ptr %14, ptr %15, align 8, !tbaa !9
  %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_edge22, label %13, !llvm.loop !11

._crit_edge22:                                    ; preds = %13, %._crit_edge, %0
  %16 = phi i32 [ %.pre39, %0 ], [ %29, %._crit_edge ], [ %.pre39, %13 ]
  %.lcssa = phi i32 [ %5, %0 ], [ %28, %._crit_edge ], [ %5, %13 ]
  %17 = call i32 @sol(ptr noundef %8, i32 noundef %.lcssa, i32 noundef %16)
  %18 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %17)
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = icmp sgt i32 %19, 0
  br i1 %20, label %.lr.ph25, label %._crit_edge26

.lr.ph21.split:                                   ; preds = %.lr.ph21, %._crit_edge
  %21 = phi i32 [ %28, %._crit_edge ], [ %5, %.lr.ph21 ]
  %22 = phi i32 [ %29, %._crit_edge ], [ %.pre39, %.lr.ph21 ]
  %indvars.iv33 = phi i64 [ %indvars.iv.next34, %._crit_edge ], [ 0, %.lr.ph21 ]
  %23 = sext i32 %22 to i64
  %24 = shl nsw i64 %23, 2
  %25 = call noalias ptr @malloc(i64 noundef %24) #7
  %26 = getelementptr inbounds ptr, ptr %8, i64 %indvars.iv33
  store ptr %25, ptr %26, align 8, !tbaa !9
  %27 = icmp sgt i32 %22, 0
  br i1 %27, label %.lr.ph, label %._crit_edge

._crit_edge.loopexit:                             ; preds = %.lr.ph
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.lr.ph21.split
  %28 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %21, %.lr.ph21.split ]
  %29 = phi i32 [ %34, %._crit_edge.loopexit ], [ %22, %.lr.ph21.split ]
  %indvars.iv.next34 = add nuw nsw i64 %indvars.iv33, 1
  %30 = sext i32 %28 to i64
  %31 = icmp slt i64 %indvars.iv.next34, %30
  br i1 %31, label %.lr.ph21.split, label %._crit_edge22, !llvm.loop !13

.lr.ph:                                           ; preds = %.lr.ph21.split, %.lr.ph
  %indvars.iv30 = phi i64 [ %indvars.iv.next31, %.lr.ph ], [ 0, %.lr.ph21.split ]
  %32 = getelementptr inbounds i32, ptr %25, i64 %indvars.iv30
  %33 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef %32)
  %indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = icmp slt i64 %indvars.iv.next31, %35
  br i1 %36, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !15

._crit_edge26:                                    ; preds = %.lr.ph25, %._crit_edge22
  call void @free(ptr noundef %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

.lr.ph25:                                         ; preds = %._crit_edge22, %.lr.ph25
  %indvars.iv36 = phi i64 [ %indvars.iv.next37, %.lr.ph25 ], [ 0, %._crit_edge22 ]
  %37 = getelementptr inbounds ptr, ptr %8, i64 %indvars.iv36
  %38 = load ptr, ptr %37, align 8, !tbaa !9
  call void @free(ptr noundef %38) #6
  %indvars.iv.next37 = add nuw nsw i64 %indvars.iv36, 1
  %39 = load i32, ptr %1, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = icmp slt i64 %indvars.iv.next37, %40
  br i1 %41, label %.lr.ph25, label %._crit_edge26, !llvm.loop !16
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #5

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { naked noinline 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 = { nofree nounwind "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 #4 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 #5 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 #6 = { nounwind }
attributes #7 = { nounwind allocsize(0) }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12, !14}
!14 = !{!"llvm.loop.unswitch.partial.disable"}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SCCPPass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass