; LLVM IR from GGiecold-zz/Cluster_Ensembles :: src/Cluster_Ensembles/Hypergraph_Partitioning/metis-5.1.0/libmetis (mcutil)

; 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: nounwind uwtable
define dso_local i32 @libmetis__rvecsumle(i32 noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  store i32 %0, ptr %6, align 4, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !9
  %10 = load i32, ptr %6, align 4, !tbaa !5
  %11 = add nsw i32 %10, -1
  store i32 %11, ptr %6, align 4, !tbaa !5
  br label %12

12:                                               ; preds = %35, %4
  %13 = load i32, ptr %6, align 4, !tbaa !5
  %14 = icmp sge i32 %13, 0
  br i1 %14, label %15, label %38

15:                                               ; preds = %12
  %16 = load ptr, ptr %7, align 8, !tbaa !9
  %17 = load i32, ptr %6, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds float, ptr %16, i64 %18
  %20 = load float, ptr %19, align 4, !tbaa !11
  %21 = load ptr, ptr %8, align 8, !tbaa !9
  %22 = load i32, ptr %6, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds float, ptr %21, i64 %23
  %25 = load float, ptr %24, align 4, !tbaa !11
  %26 = fadd float %20, %25
  %27 = load ptr, ptr %9, align 8, !tbaa !9
  %28 = load i32, ptr %6, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds float, ptr %27, i64 %29
  %31 = load float, ptr %30, align 4, !tbaa !11
  %32 = fcmp ogt float %26, %31
  br i1 %32, label %33, label %34

33:                                               ; preds = %15
  store i32 0, ptr %5, align 4
  br label %39

34:                                               ; preds = %15
  br label %35

35:                                               ; preds = %34
  %36 = load i32, ptr %6, align 4, !tbaa !5
  %37 = add nsw i32 %36, -1
  store i32 %37, ptr %6, align 4, !tbaa !5
  br label %12, !llvm.loop !13

38:                                               ; preds = %12
  store i32 1, ptr %5, align 4
  br label %39

39:                                               ; preds = %38, %33
  %40 = load i32, ptr %5, align 4
  ret i32 %40
}

attributes #0 = { 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/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(i32 0, 2) i32 @libmetis__rvecsumle(i32 noundef %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readonly %2, ptr nocapture noundef readonly %3) local_unnamed_addr #0 {
  %5 = zext i32 %0 to i64
  br label %6

6:                                                ; preds = %9, %4
  %indvars.iv = phi i64 [ %10, %9 ], [ %5, %4 ]
  %7 = trunc nuw i64 %indvars.iv to i32
  %8 = icmp sgt i32 %7, 0
  br i1 %8, label %9, label %19

9:                                                ; preds = %6
  %10 = add nsw i64 %indvars.iv, -1
  %11 = getelementptr inbounds float, ptr %1, i64 %10
  %12 = load float, ptr %11, align 4, !tbaa !5
  %13 = getelementptr inbounds float, ptr %2, i64 %10
  %14 = load float, ptr %13, align 4, !tbaa !5
  %15 = fadd float %12, %14
  %16 = getelementptr inbounds float, ptr %3, i64 %10
  %17 = load float, ptr %16, align 4, !tbaa !5
  %18 = fcmp ogt float %15, %17
  br i1 %18, label %19, label %6, !llvm.loop !9

19:                                               ; preds = %6, %9
  %.0 = phi i32 [ 0, %9 ], [ 1, %6 ]
  ret i32 %.0
}

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 = !{!6, !6, i64 0}
!6 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass