; LLVM IR from tangjz/acm-icpc :: 51nod/1349.ll (Z3cmpRKiS0_)

; 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"

@a = external dso_local global [100001 x i32], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z3cmpRKiS0_(ptr noundef nonnull align 4 dereferenceable(4) %0, ptr noundef nonnull align 4 dereferenceable(4) %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = load i32, ptr %5, align 4, !tbaa !9
  %7 = sext i32 %6 to i64
  %8 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %7
  %9 = load i32, ptr %8, align 4, !tbaa !9
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %12
  %14 = load i32, ptr %13, align 4, !tbaa !9
  %15 = icmp slt i32 %9, %14
  br i1 %15, label %36, label %16

16:                                               ; preds = %2
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = load i32, ptr %17, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %19
  %21 = load i32, ptr %20, align 4, !tbaa !9
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load i32, ptr %22, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %24
  %26 = load i32, ptr %25, align 4, !tbaa !9
  %27 = icmp eq i32 %21, %26
  br i1 %27, label %28, label %34

28:                                               ; preds = %16
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = load i32, ptr %29, align 4, !tbaa !9
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = load i32, ptr %31, align 4, !tbaa !9
  %33 = icmp slt i32 %30, %32
  br label %34

34:                                               ; preds = %28, %16
  %35 = phi i1 [ false, %16 ], [ %33, %28 ]
  br label %36

36:                                               ; preds = %34, %2
  %37 = phi i1 [ true, %2 ], [ %35, %34 ]
  ret i1 %37
}

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 = !{!"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}


; 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"

@a = external dso_local local_unnamed_addr global [100001 x i32], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local noundef zeroext i1 @_Z3cmpRKiS0_(ptr nocapture noundef nonnull readonly align 4 dereferenceable(4) %0, ptr nocapture noundef nonnull readonly align 4 dereferenceable(4) %1) local_unnamed_addr #0 {
  %3 = load i32, ptr %0, align 4, !tbaa !5
  %4 = sext i32 %3 to i64
  %5 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %4
  %6 = load i32, ptr %5, align 4, !tbaa !5
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [100001 x i32], ptr @a, i64 0, i64 %8
  %10 = load i32, ptr %9, align 4, !tbaa !5
  %11 = icmp slt i32 %6, %10
  br i1 %11, label %15, label %12

12:                                               ; preds = %2
  %13 = icmp eq i32 %6, %10
  %14 = icmp slt i32 %3, %7
  %spec.select = and i1 %14, %13
  br label %15

15:                                               ; preds = %12, %2
  %16 = phi i1 [ true, %2 ], [ %spec.select, %12 ]
  ret i1 %16
}

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