; 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"

%struct.mallinfo = type { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 }

@gk_mspace = external hidden thread_local global ptr, align 8

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #0

; 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

; Function Attrs: nounwind uwtable
define dso_local i64 @gk_GetCurMemoryUsed() #2 {
  %1 = alloca %struct.mallinfo, align 8
  %2 = alloca i64, align 8
  %3 = alloca %struct.mallinfo, align 8
  call void @llvm.lifetime.start.p0(i64 80, ptr %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  store i64 0, ptr %2, align 8, !tbaa !5
  %4 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @gk_mspace)
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %12

7:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 80, ptr %3) #5
  %8 = call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @gk_mspace)
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  call void @mspace_mallinfo(ptr dead_on_unwind writable sret(%struct.mallinfo) align 8 %3, ptr noundef %9)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %1, ptr align 8 %3, i64 80, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #5
  %10 = getelementptr inbounds %struct.mallinfo, ptr %1, i32 0, i32 7
  %11 = load i64, ptr %10, align 8, !tbaa !12
  store i64 %11, ptr %2, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %7, %0
  %13 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr %1) #5
  ret i64 %13
}

declare void @mspace_mallinfo(ptr dead_on_unwind writable sret(%struct.mallinfo) align 8, ptr noundef) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 = !{i64 0, i64 8, !5, i64 8, i64 8, !5, i64 16, i64 8, !5, i64 24, i64 8, !5, i64 32, i64 8, !5, i64 40, i64 8, !5, i64 48, i64 8, !5, i64 56, i64 8, !5, i64 64, i64 8, !5, i64 72, i64 8, !5}
!12 = !{!13, !6, i64 56}
!13 = !{!"mallinfo", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72}


; 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"

%struct.mallinfo = type { i64, i64, i64, i64, i64, i64, i64, i64, i64, i64 }

@gk_mspace = external hidden thread_local local_unnamed_addr global ptr, align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare nonnull ptr @llvm.threadlocal.address.p0(ptr nonnull) #0

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

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

; Function Attrs: nounwind uwtable
define dso_local i64 @gk_GetCurMemoryUsed() local_unnamed_addr #2 {
  %1 = alloca %struct.mallinfo, align 8
  %2 = tail call align 8 ptr @llvm.threadlocal.address.p0(ptr align 8 @gk_mspace)
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %4

4:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %1) #4
  call void @mspace_mallinfo(ptr dead_on_unwind nonnull writable sret(%struct.mallinfo) align 8 %1, ptr noundef nonnull %3) #4
  %.sroa.3.0..sroa_idx = getelementptr inbounds i8, ptr %1, i64 56
  %.sroa.3.0.copyload = load i64, ptr %.sroa.3.0..sroa_idx, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %1) #4
  br label %5

5:                                                ; preds = %4, %0
  %.0 = phi i64 [ %.sroa.3.0.copyload, %4 ], [ 0, %0 ]
  ret i64 %.0
}

declare void @mspace_mallinfo(ptr dead_on_unwind writable sret(%struct.mallinfo) align 8, ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 #4 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass