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

; 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
declare dso_local ptr @gk_malloc(i64 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @gk_csmalloc(i64 noundef, i8 noundef signext, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @gk_cAllocMatrix(i64 noundef %0, i64 noundef %1, i8 noundef signext %2, ptr noundef %3) #0 {
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i8, align 1
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  store i64 %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !5
  store i8 %2, ptr %7, align 1, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  %11 = load i64, ptr %5, align 8, !tbaa !5
  %12 = mul i64 %11, 8
  %13 = load ptr, ptr %8, align 8, !tbaa !10
  %14 = call ptr @gk_malloc(i64 noundef %12, ptr noundef %13)
  store ptr %14, ptr %10, align 8, !tbaa !10
  store i64 0, ptr %9, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %27, %4
  %16 = load i64, ptr %9, align 8, !tbaa !5
  %17 = load i64, ptr %5, align 8, !tbaa !5
  %18 = icmp ult i64 %16, %17
  br i1 %18, label %19, label %30

19:                                               ; preds = %15
  %20 = load i64, ptr %6, align 8, !tbaa !5
  %21 = load i8, ptr %7, align 1, !tbaa !9
  %22 = load ptr, ptr %8, align 8, !tbaa !10
  %23 = call ptr @gk_csmalloc(i64 noundef %20, i8 noundef signext %21, ptr noundef %22)
  %24 = load ptr, ptr %10, align 8, !tbaa !10
  %25 = load i64, ptr %9, align 8, !tbaa !5
  %26 = getelementptr inbounds ptr, ptr %24, i64 %25
  store ptr %23, ptr %26, align 8, !tbaa !10
  br label %27

27:                                               ; preds = %19
  %28 = load i64, ptr %9, align 8, !tbaa !5
  %29 = add nsw i64 %28, 1
  store i64 %29, ptr %9, align 8, !tbaa !5
  br label %15, !llvm.loop !12

30:                                               ; preds = %15
  %31 = load ptr, ptr %10, align 8, !tbaa !10
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  ret ptr %31
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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: nounwind uwtable
declare dso_local ptr @gk_malloc(i64 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @gk_csmalloc(i64 noundef, i8 noundef signext, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @gk_cAllocMatrix(i64 noundef %0, i64 noundef %1, i8 noundef signext %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = shl i64 %0, 3
  %6 = tail call ptr @gk_malloc(i64 noundef %5, ptr noundef %3)
  %.not = icmp eq i64 %0, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %4, %.lr.ph
  %.010 = phi i64 [ %9, %.lr.ph ], [ 0, %4 ]
  %7 = tail call ptr @gk_csmalloc(i64 noundef %1, i8 noundef signext %2, ptr noundef %3)
  %8 = getelementptr inbounds ptr, ptr %6, i64 %.010
  store ptr %7, ptr %8, align 8, !tbaa !5
  %9 = add nuw i64 %.010, 1
  %exitcond.not = icmp eq i64 %9, %0
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %4
  ret ptr %6
}

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 = !{!"any pointer", !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: GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass