; LLVM IR from ekoontz/graphlab :: src/graphlab/extern/metis/GKlib (blas)

; 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 @gk_idot(i64 noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4) #1 {
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  store i64 %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !9
  store i64 %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !9
  store i64 %4, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #2
  store i64 0, ptr %12, align 8, !tbaa !5
  store i64 0, ptr %11, align 8, !tbaa !5
  br label %13

13:                                               ; preds = %26, %5
  %14 = load i64, ptr %11, align 8, !tbaa !5
  %15 = load i64, ptr %6, align 8, !tbaa !5
  %16 = icmp ult i64 %14, %15
  br i1 %16, label %17, label %35

17:                                               ; preds = %13
  %18 = load ptr, ptr %7, align 8, !tbaa !9
  %19 = load i32, ptr %18, align 4, !tbaa !11
  %20 = load ptr, ptr %9, align 8, !tbaa !9
  %21 = load i32, ptr %20, align 4, !tbaa !11
  %22 = mul nsw i32 %19, %21
  %23 = sext i32 %22 to i64
  %24 = load i64, ptr %12, align 8, !tbaa !5
  %25 = add nsw i64 %24, %23
  store i64 %25, ptr %12, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %17
  %27 = load i64, ptr %11, align 8, !tbaa !5
  %28 = add i64 %27, 1
  store i64 %28, ptr %11, align 8, !tbaa !5
  %29 = load i64, ptr %8, align 8, !tbaa !5
  %30 = load ptr, ptr %7, align 8, !tbaa !9
  %31 = getelementptr inbounds i32, ptr %30, i64 %29
  store ptr %31, ptr %7, align 8, !tbaa !9
  %32 = load i64, ptr %10, align 8, !tbaa !5
  %33 = load ptr, ptr %9, align 8, !tbaa !9
  %34 = getelementptr inbounds i32, ptr %33, i64 %32
  store ptr %34, ptr %9, align 8, !tbaa !9
  br label %13, !llvm.loop !13

35:                                               ; preds = %13
  %36 = load i64, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #2
  ret i64 %36
}

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 = !{!"int", !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(read, inaccessiblemem: none) uwtable
define dso_local i64 @gk_idot(i64 noundef %0, ptr nocapture noundef readonly %1, i64 noundef %2, ptr nocapture noundef readonly %3, i64 noundef %4) local_unnamed_addr #0 {
  %.not = icmp eq i64 %0, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %5
  %xtraiter = and i64 %0, 3
  %6 = icmp ult i64 %0, 4
  br i1 %6, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %0, -4
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph, %.lr.ph.preheader.new
  %.016 = phi i64 [ 0, %.lr.ph.preheader.new ], [ %32, %.lr.ph ]
  %.01114 = phi ptr [ %1, %.lr.ph.preheader.new ], [ %33, %.lr.ph ]
  %.01213 = phi ptr [ %3, %.lr.ph.preheader.new ], [ %34, %.lr.ph ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.3, %.lr.ph ]
  %7 = load i32, ptr %.01114, align 4, !tbaa !5
  %8 = load i32, ptr %.01213, align 4, !tbaa !5
  %9 = mul nsw i32 %8, %7
  %10 = sext i32 %9 to i64
  %11 = add nsw i64 %.016, %10
  %12 = getelementptr inbounds i32, ptr %.01114, i64 %2
  %13 = getelementptr inbounds i32, ptr %.01213, i64 %4
  %14 = load i32, ptr %12, align 4, !tbaa !5
  %15 = load i32, ptr %13, align 4, !tbaa !5
  %16 = mul nsw i32 %15, %14
  %17 = sext i32 %16 to i64
  %18 = add nsw i64 %11, %17
  %19 = getelementptr inbounds i32, ptr %12, i64 %2
  %20 = getelementptr inbounds i32, ptr %13, i64 %4
  %21 = load i32, ptr %19, align 4, !tbaa !5
  %22 = load i32, ptr %20, align 4, !tbaa !5
  %23 = mul nsw i32 %22, %21
  %24 = sext i32 %23 to i64
  %25 = add nsw i64 %18, %24
  %26 = getelementptr inbounds i32, ptr %19, i64 %2
  %27 = getelementptr inbounds i32, ptr %20, i64 %4
  %28 = load i32, ptr %26, align 4, !tbaa !5
  %29 = load i32, ptr %27, align 4, !tbaa !5
  %30 = mul nsw i32 %29, %28
  %31 = sext i32 %30 to i64
  %32 = add nsw i64 %25, %31
  %33 = getelementptr inbounds i32, ptr %26, i64 %2
  %34 = getelementptr inbounds i32, ptr %27, i64 %4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph, !llvm.loop !9

._crit_edge.loopexit.unr-lcssa:                   ; preds = %.lr.ph, %.lr.ph.preheader
  %.lcssa.ph = phi i64 [ poison, %.lr.ph.preheader ], [ %32, %.lr.ph ]
  %.016.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %32, %.lr.ph ]
  %.01114.unr = phi ptr [ %1, %.lr.ph.preheader ], [ %33, %.lr.ph ]
  %.01213.unr = phi ptr [ %3, %.lr.ph.preheader ], [ %34, %.lr.ph ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil
  %.016.epil = phi i64 [ %39, %.lr.ph.epil ], [ %.016.unr, %._crit_edge.loopexit.unr-lcssa ]
  %.01114.epil = phi ptr [ %40, %.lr.ph.epil ], [ %.01114.unr, %._crit_edge.loopexit.unr-lcssa ]
  %.01213.epil = phi ptr [ %41, %.lr.ph.epil ], [ %.01213.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.lr.ph.epil ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %35 = load i32, ptr %.01114.epil, align 4, !tbaa !5
  %36 = load i32, ptr %.01213.epil, align 4, !tbaa !5
  %37 = mul nsw i32 %36, %35
  %38 = sext i32 %37 to i64
  %39 = add nsw i64 %.016.epil, %38
  %40 = getelementptr inbounds i32, ptr %.01114.epil, i64 %2
  %41 = getelementptr inbounds i32, ptr %.01213.epil, i64 %4
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.lr.ph.epil, !llvm.loop !11

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.lr.ph.epil, %5
  %.0.lcssa = phi i64 [ 0, %5 ], [ %.lcssa.ph, %._crit_edge.loopexit.unr-lcssa ], [ %39, %.lr.ph.epil ]
  ret i64 %.0.lcssa
}

attributes #0 = { nofree norecurse nosync nounwind 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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.unroll.disable"}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass