; LLVM IR from tsotchke/quantum_geometric_tensor :: src/quantum_geometric/core (tensor_network_operations)

; 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.tensor_network = type { ptr, i64, i64, i64, %struct.tensor_network_metrics, i32, i8 }
%struct.tensor_network_metrics = type { i64, i64, double, double, double }

; Function Attrs: nounwind uwtable
define dso_local ptr @create_tensor_network() #0 {
  %1 = alloca ptr, align 8
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %4 = call noalias ptr @malloc(i64 noundef 80) #6
  store ptr %4, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %8, label %7

7:                                                ; preds = %0
  call void @set_error(ptr noundef null, i32 noundef -2)
  store ptr null, ptr %1, align 8
  store i32 1, ptr %3, align 4
  br label %32

8:                                                ; preds = %0
  %9 = call noalias ptr @malloc(i64 noundef 128) #6
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.tensor_network, ptr %10, i32 0, i32 0
  store ptr %9, ptr %11, align 8, !tbaa !9
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.tensor_network, ptr %12, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = icmp ne ptr %14, null
  br i1 %15, label %18, label %16

16:                                               ; preds = %8
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  call void @free(ptr noundef %17) #5
  call void @set_error(ptr noundef null, i32 noundef -2)
  store ptr null, ptr %1, align 8
  store i32 1, ptr %3, align 4
  br label %32

18:                                               ; preds = %8
  %19 = load ptr, ptr %2, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.tensor_network, ptr %19, i32 0, i32 1
  store i64 0, ptr %20, align 8, !tbaa !16
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.tensor_network, ptr %21, i32 0, i32 2
  store i64 16, ptr %22, align 8, !tbaa !17
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.tensor_network, ptr %23, i32 0, i32 3
  store i64 0, ptr %24, align 8, !tbaa !18
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.tensor_network, ptr %25, i32 0, i32 6
  store i8 0, ptr %26, align 4, !tbaa !19
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.tensor_network, ptr %27, i32 0, i32 5
  store i32 0, ptr %28, align 8, !tbaa !20
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.tensor_network, ptr %29, i32 0, i32 4
  call void @llvm.memset.p0.i64(ptr align 8 %30, i8 0, i64 40, i1 false)
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr %31, ptr %1, align 8
  store i32 1, ptr %3, align 4
  br label %32

32:                                               ; preds = %18, %16, %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %33 = load ptr, ptr %1, align 8
  ret ptr %33
}

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nounwind uwtable
declare hidden void @set_error(ptr noundef, i32 noundef) #0

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; 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 allocsize(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 = { nounwind "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: write) }
attributes #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }

!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, !6, i64 0}
!10 = !{!"tensor_network", !6, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !12, i64 32, !14, i64 72, !15, i64 76}
!11 = !{!"long", !7, i64 0}
!12 = !{!"tensor_network_metrics", !11, i64 0, !11, i64 8, !13, i64 16, !13, i64 24, !13, i64 32}
!13 = !{!"double", !7, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{!"_Bool", !7, i64 0}
!16 = !{!10, !11, i64 8}
!17 = !{!10, !11, i64 16}
!18 = !{!10, !11, i64 24}
!19 = !{!10, !15, i64 76}
!20 = !{!10, !14, 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"

; Function Attrs: nounwind uwtable
define dso_local noalias noundef ptr @create_tensor_network() local_unnamed_addr #0 {
  %1 = tail call noalias dereferenceable_or_null(80) ptr @malloc(i64 noundef 80) #4
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %2, label %3

2:                                                ; preds = %0
  tail call void @set_error(ptr noundef null, i32 noundef -2)
  br label %10

3:                                                ; preds = %0
  %4 = tail call noalias dereferenceable_or_null(128) ptr @malloc(i64 noundef 128) #4
  store ptr %4, ptr %1, align 8, !tbaa !5
  %.not13 = icmp eq ptr %4, null
  br i1 %.not13, label %5, label %6

5:                                                ; preds = %3
  tail call void @free(ptr noundef nonnull %1) #5
  tail call void @set_error(ptr noundef null, i32 noundef -2)
  br label %10

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %1, i64 8
  store i64 0, ptr %7, align 8, !tbaa !15
  %8 = getelementptr inbounds i8, ptr %1, i64 16
  store i64 16, ptr %8, align 8, !tbaa !16
  %9 = getelementptr inbounds i8, ptr %1, i64 24
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(53) %9, i8 0, i64 53, i1 false)
  br label %10

10:                                               ; preds = %6, %5, %2
  %.0 = phi ptr [ %1, %6 ], [ null, %5 ], [ null, %2 ]
  ret ptr %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @set_error(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

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 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { nounwind allocsize(0) }
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, !7, i64 0}
!6 = !{!"tensor_network", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !11, i64 32, !13, i64 72, !14, i64 76}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"tensor_network_metrics", !10, i64 0, !10, i64 8, !12, i64 16, !12, i64 24, !12, i64 32}
!12 = !{!"double", !8, i64 0}
!13 = !{!"int", !8, i64 0}
!14 = !{!"_Bool", !8, i64 0}
!15 = !{!6, !10, i64 8}
!16 = !{!6, !10, i64 16}


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