; LLVM IR from ekoontz/graphlab :: src/graphlab/extern/metis/libmetis/mutil.ll_libmetis (AreAllBelow)

; 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"

; 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 uwtable
define dso_local i64 @libmetis__AreAllBelow(i64 noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store i64 %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %26, %3
  %11 = load i64, ptr %8, align 8, !tbaa !5
  %12 = load i64, ptr %5, align 8, !tbaa !5
  %13 = icmp slt i64 %11, %12
  br i1 %13, label %14, label %29

14:                                               ; preds = %10
  %15 = load ptr, ptr %6, align 8, !tbaa !9
  %16 = load i64, ptr %8, align 8, !tbaa !5
  %17 = getelementptr inbounds float, ptr %15, i64 %16
  %18 = load float, ptr %17, align 4, !tbaa !11
  %19 = load ptr, ptr %7, align 8, !tbaa !9
  %20 = load i64, ptr %8, align 8, !tbaa !5
  %21 = getelementptr inbounds float, ptr %19, i64 %20
  %22 = load float, ptr %21, align 4, !tbaa !11
  %23 = fcmp ogt float %18, %22
  br i1 %23, label %24, label %25

24:                                               ; preds = %14
  store i64 0, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %30

25:                                               ; preds = %14
  br label %26

26:                                               ; preds = %25
  %27 = load i64, ptr %8, align 8, !tbaa !5
  %28 = add nsw i64 %27, 1
  store i64 %28, ptr %8, align 8, !tbaa !5
  br label %10, !llvm.loop !13

29:                                               ; preds = %10
  store i64 1, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %30

30:                                               ; preds = %29, %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  %31 = load i64, ptr %4, align 8
  ret i64 %31
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 }

!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 = !{!"long", !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 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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"

; Function Attrs: nofree norecurse nosync nounwind memory(argmem: read) uwtable
define dso_local range(i64 0, 2) i64 @libmetis__AreAllBelow(i64 noundef %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 {
  %4 = icmp sgt i64 %0, 0
  br i1 %4, label %.lr.ph, label %._crit_edge

5:                                                ; preds = %.lr.ph
  %6 = add nuw nsw i64 %.08, 1
  %exitcond.not = icmp eq i64 %6, %0
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

.lr.ph:                                           ; preds = %3, %5
  %.08 = phi i64 [ %6, %5 ], [ 0, %3 ]
  %7 = getelementptr inbounds float, ptr %1, i64 %.08
  %8 = load float, ptr %7, align 4, !tbaa !7
  %9 = getelementptr inbounds float, ptr %2, i64 %.08
  %10 = load float, ptr %9, align 4, !tbaa !7
  %11 = fcmp ogt float %8, %10
  br i1 %11, label %._crit_edge, label %5

._crit_edge:                                      ; preds = %.lr.ph, %5, %3
  %.07 = phi i64 [ 1, %3 ], [ 1, %5 ], [ 0, %.lr.ph ]
  ret i64 %.07
}

attributes #0 = { nofree norecurse nosync nounwind memory(argmem: read) 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"float", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass