; LLVM IR from VastoLorde95/Competitive-Programming :: CodeChef/Other/SNCK151C/Problem A/A.ll (Z7inrangeii)

; 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"

@n = external dso_local global i32, align 4
@b1 = external dso_local global i32, align 4
@b2 = external dso_local global i32, align 4
@v = external dso_local global [21 x [21 x i32]], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z7inrangeii(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  %6 = load i32, ptr %4, align 4, !tbaa !5
  %7 = load i32, ptr @b1, align 4, !tbaa !5
  %8 = icmp eq i32 %6, %7
  br i1 %8, label %9, label %13

9:                                                ; preds = %2
  %10 = load i32, ptr %5, align 4, !tbaa !5
  %11 = load i32, ptr @b2, align 4, !tbaa !5
  %12 = icmp eq i32 %10, %11
  br i1 %12, label %37, label %13

13:                                               ; preds = %9, %2
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = icmp sge i32 %14, 1
  br i1 %15, label %16, label %37

16:                                               ; preds = %13
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %18 = load i32, ptr @n, align 4, !tbaa !5
  %19 = icmp sle i32 %17, %18
  br i1 %19, label %20, label %37

20:                                               ; preds = %16
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = icmp sge i32 %21, 1
  br i1 %22, label %23, label %37

23:                                               ; preds = %20
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = load i32, ptr @n, align 4, !tbaa !5
  %26 = icmp sle i32 %24, %25
  br i1 %26, label %27, label %37

27:                                               ; preds = %23
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [21 x [21 x i32]], ptr @v, i64 0, i64 %29
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [21 x i32], ptr %30, i64 0, i64 %32
  %34 = load i32, ptr %33, align 4, !tbaa !5
  %35 = icmp eq i32 %34, 0
  br i1 %35, label %36, label %37

36:                                               ; preds = %27
  store i1 true, ptr %3, align 1
  br label %38

37:                                               ; preds = %27, %23, %20, %16, %13, %9
  store i1 false, ptr %3, align 1
  br label %38

38:                                               ; preds = %37, %36
  %39 = load i1, ptr %3, align 1
  ret i1 %39
}

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 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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"

@n = external dso_local local_unnamed_addr global i32, align 4
@b1 = external dso_local local_unnamed_addr global i32, align 4
@b2 = external dso_local local_unnamed_addr global i32, align 4
@v = external dso_local local_unnamed_addr global [21 x [21 x i32]], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: none, inaccessiblemem: none) uwtable
define dso_local noundef zeroext i1 @_Z7inrangeii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = load i32, ptr @b1, align 4, !tbaa !5
  %4 = icmp eq i32 %3, %0
  br i1 %4, label %5, label %9

5:                                                ; preds = %2
  %6 = load i32, ptr @b2, align 4, !tbaa !5
  %7 = icmp ne i32 %6, %1
  %8 = icmp sgt i32 %0, 0
  %or.cond = and i1 %8, %7
  br i1 %or.cond, label %10, label %20

9:                                                ; preds = %2
  %.old1 = icmp sgt i32 %0, 0
  br i1 %.old1, label %10, label %20

10:                                               ; preds = %5, %9
  %11 = load i32, ptr @n, align 4, !tbaa !5
  %12 = icmp slt i32 %11, %0
  %13 = icmp slt i32 %1, 1
  %or.cond4.not19 = or i1 %13, %12
  %.not = icmp slt i32 %11, %1
  %or.cond16 = or i1 %.not, %or.cond4.not19
  br i1 %or.cond16, label %20, label %14

14:                                               ; preds = %10
  %15 = zext nneg i32 %0 to i64
  %16 = zext nneg i32 %1 to i64
  %17 = getelementptr inbounds [21 x [21 x i32]], ptr @v, i64 0, i64 %15, i64 %16
  %18 = load i32, ptr %17, align 4, !tbaa !5
  %19 = icmp eq i32 %18, 0
  br i1 %19, label %21, label %20

20:                                               ; preds = %14, %10, %9, %5
  br label %21

21:                                               ; preds = %14, %20
  %.0 = phi i1 [ false, %20 ], [ true, %14 ]
  ret i1 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, 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,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass