; LLVM IR from JessonYue/LeetCodeLearning :: Array/zhangjunwei (findNumbers_6_23)

; 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: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; Function Attrs: nounwind
declare i32 @sprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

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

14:                                               ; preds = %25, %2
  %15 = load i32, ptr %7, align 4, !tbaa !9
  %16 = load i32, ptr %4, align 4, !tbaa !9
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %28

19:                                               ; preds = %14
  %20 = call noalias ptr @malloc(i64 noundef 7) #6
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds ptr, ptr %21, i64 %23
  store ptr %20, ptr %24, align 8, !tbaa !5
  br label %25

25:                                               ; preds = %19
  %26 = load i32, ptr %7, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %7, align 4, !tbaa !9
  br label %14, !llvm.loop !11

28:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %58, %28
  %30 = load i32, ptr %8, align 4, !tbaa !9
  %31 = load i32, ptr %4, align 4, !tbaa !9
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %61

34:                                               ; preds = %29
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = load i32, ptr %8, align 4, !tbaa !9
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds ptr, ptr %35, i64 %37
  %39 = load ptr, ptr %38, align 8, !tbaa !5
  %40 = load ptr, ptr %3, align 8, !tbaa !5
  %41 = load i32, ptr %8, align 4, !tbaa !9
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds i32, ptr %40, i64 %42
  %44 = load i32, ptr %43, align 4, !tbaa !9
  %45 = call i32 (ptr, ptr, ...) @sprintf(ptr noundef %39, ptr noundef @.str, i32 noundef %44) #5
  %46 = load ptr, ptr %6, align 8, !tbaa !5
  %47 = load i32, ptr %8, align 4, !tbaa !9
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds ptr, ptr %46, i64 %48
  %50 = load ptr, ptr %49, align 8, !tbaa !5
  %51 = call i64 @strlen(ptr noundef %50) #7
  %52 = urem i64 %51, 2
  %53 = icmp eq i64 %52, 0
  br i1 %53, label %54, label %57

54:                                               ; preds = %34
  %55 = load i32, ptr %5, align 4, !tbaa !9
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %5, align 4, !tbaa !9
  br label %57

57:                                               ; preds = %54, %34
  br label %58

58:                                               ; preds = %57
  %59 = load i32, ptr %8, align 4, !tbaa !9
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %8, align 4, !tbaa !9
  br label %29, !llvm.loop !13

61:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %62

62:                                               ; preds = %73, %61
  %63 = load i32, ptr %9, align 4, !tbaa !9
  %64 = load i32, ptr %4, align 4, !tbaa !9
  %65 = icmp slt i32 %63, %64
  br i1 %65, label %67, label %66

66:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %76

67:                                               ; preds = %62
  %68 = load ptr, ptr %6, align 8, !tbaa !5
  %69 = load i32, ptr %9, align 4, !tbaa !9
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds ptr, ptr %68, i64 %70
  %72 = load ptr, ptr %71, align 8, !tbaa !5
  call void @free(ptr noundef %72) #5
  br label %73

73:                                               ; preds = %67
  %74 = load i32, ptr %9, align 4, !tbaa !9
  %75 = add nsw i32 %74, 1
  store i32 %75, ptr %9, align 4, !tbaa !9
  br label %62, !llvm.loop !14

76:                                               ; preds = %66
  %77 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %77) #5
  %78 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  ret i32 %78
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { nounwind willreturn memory(read) "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 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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }
attributes #7 = { nounwind willreturn memory(read) }

!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 = !{!"int", !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 nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @sprintf(ptr noalias nocapture noundef writeonly, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local i32 @findNumbers(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #4 {
  %3 = sext i32 %1 to i64
  %4 = shl nsw i64 %3, 3
  %5 = tail call noalias ptr @malloc(i64 noundef %4) #5
  %6 = icmp sgt i32 %1, 0
  br i1 %6, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph

.preheader26:                                     ; preds = %.lr.ph
  br i1 %6, label %.lr.ph30.preheader, label %._crit_edge

.lr.ph30.preheader:                               ; preds = %.preheader26
  %wide.trip.count37 = zext nneg i32 %1 to i64
  br label %.lr.ph30

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %7 = tail call noalias dereferenceable_or_null(7) ptr @malloc(i64 noundef 7) #5
  %8 = getelementptr inbounds ptr, ptr %5, i64 %indvars.iv
  store ptr %7, ptr %8, align 8, !tbaa !5
  %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 %.preheader26, label %.lr.ph, !llvm.loop !9

.preheader:                                       ; preds = %.lr.ph30
  br i1 %6, label %.lr.ph32.preheader, label %._crit_edge

.lr.ph32.preheader:                               ; preds = %.preheader
  %wide.trip.count42 = zext nneg i32 %1 to i64
  br label %.lr.ph32

.lr.ph30:                                         ; preds = %.lr.ph30.preheader, %.lr.ph30
  %indvars.iv34 = phi i64 [ 0, %.lr.ph30.preheader ], [ %indvars.iv.next35, %.lr.ph30 ]
  %.02428 = phi i32 [ 0, %.lr.ph30.preheader ], [ %spec.select, %.lr.ph30 ]
  %9 = getelementptr inbounds ptr, ptr %5, i64 %indvars.iv34
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv34
  %12 = load i32, ptr %11, align 4, !tbaa !11
  %13 = tail call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) %10, ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %12) #6
  %14 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %10) #7
  %15 = trunc i64 %14 to i32
  %16 = and i32 %15, 1
  %17 = xor i32 %16, 1
  %spec.select = add i32 %17, %.02428
  %indvars.iv.next35 = add nuw nsw i64 %indvars.iv34, 1
  %exitcond38.not = icmp eq i64 %indvars.iv.next35, %wide.trip.count37
  br i1 %exitcond38.not, label %.preheader, label %.lr.ph30, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph32, %2, %.preheader26, %.preheader
  %.024.lcssa45 = phi i32 [ %spec.select, %.preheader ], [ 0, %.preheader26 ], [ 0, %2 ], [ %spec.select, %.lr.ph32 ]
  tail call void @free(ptr noundef %5) #6
  ret i32 %.024.lcssa45

.lr.ph32:                                         ; preds = %.lr.ph32.preheader, %.lr.ph32
  %indvars.iv39 = phi i64 [ 0, %.lr.ph32.preheader ], [ %indvars.iv.next40, %.lr.ph32 ]
  %18 = getelementptr inbounds ptr, ptr %5, i64 %indvars.iv39
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  tail call void @free(ptr noundef %19) #6
  %indvars.iv.next40 = add nuw nsw i64 %indvars.iv39, 1
  %exitcond43.not = icmp eq i64 %indvars.iv.next40, %wide.trip.count42
  br i1 %exitcond43.not, label %._crit_edge, label %.lr.ph32, !llvm.loop !14
}

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { 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 #4 = { 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 #5 = { nounwind allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { nounwind willreturn memory(read) }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass