; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Week of Code/Week 15/Problem A/A.ll (Z7goodcoli)

; 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"

@g = external dso_local global [9 x [9 x i32]], align 16
@m = external dso_local global [10 x i32], align 16

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; 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: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z7goodcoli(i32 noundef %0) #2 {
  %2 = alloca i1, align 1
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 16 @m, i8 0, i64 40, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %7

7:                                                ; preds = %21, %1
  %8 = load i32, ptr %4, align 4, !tbaa !5
  %9 = icmp slt i32 %8, 9
  br i1 %9, label %11, label %10

10:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %24

11:                                               ; preds = %7
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 %13
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [9 x i32], ptr %14, i64 0, i64 %16
  %18 = load i32, ptr %17, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %19
  store i32 1, ptr %20, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %11
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %4, align 4, !tbaa !5
  br label %7, !llvm.loop !9

24:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %37, %24
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = icmp sle i32 %26, 9
  br i1 %27, label %29, label %28

28:                                               ; preds = %25
  store i32 5, ptr %6, align 4
  br label %40

29:                                               ; preds = %25
  %30 = load i32, ptr %5, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %31
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = icmp ne i32 %33, 0
  br i1 %34, label %36, label %35

35:                                               ; preds = %29
  store i1 false, ptr %2, align 1
  store i32 1, ptr %6, align 4
  br label %40

36:                                               ; preds = %29
  br label %37

37:                                               ; preds = %36
  %38 = load i32, ptr %5, align 4, !tbaa !5
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %5, align 4, !tbaa !5
  br label %25, !llvm.loop !11

40:                                               ; preds = %35, %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  %41 = load i32, ptr %6, align 4
  switch i32 %41, label %45 [
    i32 5, label %42
    i32 1, label %43
  ]

42:                                               ; preds = %40
  store i1 true, ptr %2, align 1
  br label %43

43:                                               ; preds = %42, %40
  %44 = load i1, ptr %2, align 1
  ret i1 %44

45:                                               ; preds = %40
  unreachable
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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"

@g = external dso_local local_unnamed_addr global [9 x [9 x i32]], align 16
@m = external dso_local local_unnamed_addr global [10 x i32], align 16

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local noundef zeroext i1 @_Z7goodcoli(i32 noundef %0) local_unnamed_addr #1 {
.preheader.preheader:
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(40) @m, i8 0, i64 40, i1 false)
  %1 = sext i32 %0 to i64
  %2 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 0, i64 %1
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %4 = sext i32 %3 to i64
  %5 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %4
  store i32 1, ptr %5, align 4, !tbaa !5
  %6 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 1, i64 %1
  %7 = load i32, ptr %6, align 4, !tbaa !5
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %8
  store i32 1, ptr %9, align 4, !tbaa !5
  %10 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 2, i64 %1
  %11 = load i32, ptr %10, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %12
  store i32 1, ptr %13, align 4, !tbaa !5
  %14 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 3, i64 %1
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %16
  store i32 1, ptr %17, align 4, !tbaa !5
  %18 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 4, i64 %1
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %20
  store i32 1, ptr %21, align 4, !tbaa !5
  %22 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 5, i64 %1
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %24
  store i32 1, ptr %25, align 4, !tbaa !5
  %26 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 6, i64 %1
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %28
  store i32 1, ptr %29, align 4, !tbaa !5
  %30 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 7, i64 %1
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %32
  store i32 1, ptr %33, align 4, !tbaa !5
  %34 = getelementptr inbounds [9 x [9 x i32]], ptr @g, i64 0, i64 8, i64 %1
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [10 x i32], ptr @m, i64 0, i64 %36
  store i32 1, ptr %37, align 4, !tbaa !5
  %38 = load <8 x i32>, ptr getelementptr inbounds (i8, ptr @m, i64 4), align 4
  %.fr = freeze <8 x i32> %38
  %39 = load i32, ptr getelementptr inbounds (i8, ptr @m, i64 36), align 4
  %.not.8 = icmp ne i32 %39, 0
  %40 = icmp eq <8 x i32> %.fr, zeroinitializer
  %41 = bitcast <8 x i1> %40 to i8
  %42 = icmp eq i8 %41, 0
  %op.rdx = select i1 %42, i1 %.not.8, i1 false
  ret i1 %op.rdx
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) 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"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalDCEPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass