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

; 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.anon = type { %struct.numerical_config_t, %struct.numerical_metrics_t, i32, i8, i8 }
%struct.numerical_config_t = type { i32, i64, i8, i8, i8, i64, ptr }
%struct.numerical_metrics_t = type { double, double, double, double, i64 }

@backend_state = external hidden global %struct.anon, align 8

; 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 zeroext i1 @numerical_lu(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, i64 noundef %4, i64 noundef %5) #1 {
  %7 = alloca i1, align 1
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i8, align 1
  %15 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store ptr %1, ptr %9, align 8, !tbaa !5
  store ptr %2, ptr %10, align 8, !tbaa !5
  store ptr %3, ptr %11, align 8, !tbaa !5
  store i64 %4, ptr %12, align 8, !tbaa !9
  store i64 %5, ptr %13, align 8, !tbaa !9
  %16 = load i8, ptr getelementptr inbounds (%struct.anon, ptr @backend_state, i32 0, i32 3), align 4, !tbaa !11, !range !18, !noundef !19
  %17 = trunc i8 %16 to i1
  br i1 %17, label %18, label %30

18:                                               ; preds = %6
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %21, label %30

21:                                               ; preds = %18
  %22 = load ptr, ptr %9, align 8, !tbaa !5
  %23 = icmp ne ptr %22, null
  br i1 %23, label %24, label %30

24:                                               ; preds = %21
  %25 = load ptr, ptr %10, align 8, !tbaa !5
  %26 = icmp ne ptr %25, null
  br i1 %26, label %27, label %30

27:                                               ; preds = %24
  %28 = load ptr, ptr %11, align 8, !tbaa !5
  %29 = icmp ne ptr %28, null
  br i1 %29, label %31, label %30

30:                                               ; preds = %27, %24, %21, %18, %6
  store i32 1, ptr getelementptr inbounds (%struct.anon, ptr @backend_state, i32 0, i32 2), align 8, !tbaa !20
  store i1 false, ptr %7, align 1
  br label %49

31:                                               ; preds = %27
  %32 = load i8, ptr getelementptr inbounds (%struct.anon, ptr @backend_state, i32 0, i32 4), align 1, !tbaa !21, !range !18, !noundef !19
  %33 = trunc i8 %32 to i1
  br i1 %33, label %34, label %48

34:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #3
  %35 = load ptr, ptr %8, align 8, !tbaa !5
  %36 = load i64, ptr %12, align 8, !tbaa !9
  %37 = load i64, ptr %13, align 8, !tbaa !9
  %38 = load ptr, ptr %9, align 8, !tbaa !5
  %39 = load ptr, ptr %10, align 8, !tbaa !5
  %40 = load ptr, ptr %11, align 8, !tbaa !5
  %41 = call zeroext i1 @lapack_lu(ptr noundef %35, i64 noundef %36, i64 noundef %37, ptr noundef %38, ptr noundef %39, ptr noundef %40, i32 noundef 101)
  %42 = zext i1 %41 to i8
  store i8 %42, ptr %14, align 1, !tbaa !22
  %43 = load i8, ptr %14, align 1, !tbaa !22, !range !18, !noundef !19
  %44 = trunc i8 %43 to i1
  br i1 %44, label %46, label %45

45:                                               ; preds = %34
  store i32 4, ptr getelementptr inbounds (%struct.anon, ptr @backend_state, i32 0, i32 2), align 8, !tbaa !20
  store i1 false, ptr %7, align 1
  store i32 1, ptr %15, align 4
  br label %47

46:                                               ; preds = %34
  store i1 true, ptr %7, align 1
  store i32 1, ptr %15, align 4
  br label %47

47:                                               ; preds = %46, %45
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #3
  br label %49

48:                                               ; preds = %31
  store i32 5, ptr getelementptr inbounds (%struct.anon, ptr @backend_state, i32 0, i32 2), align 8, !tbaa !20
  store i1 false, ptr %7, align 1
  br label %49

49:                                               ; preds = %48, %47, %30
  %50 = load i1, ptr %7, align 1
  ret i1 %50
}

declare zeroext i1 @lapack_lu(ptr noundef, i64 noundef, i64 noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef) #2

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 = { "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 }

!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}
!11 = !{!12, !15, i64 84}
!12 = !{!"", !13, i64 0, !16, i64 40, !14, i64 80, !15, i64 84, !15, i64 85}
!13 = !{!"", !14, i64 0, !10, i64 8, !15, i64 16, !15, i64 17, !15, i64 18, !10, i64 24, !6, i64 32}
!14 = !{!"int", !7, i64 0}
!15 = !{!"_Bool", !7, i64 0}
!16 = !{!"", !17, i64 0, !17, i64 8, !17, i64 16, !17, i64 24, !10, i64 32}
!17 = !{!"double", !7, i64 0}
!18 = !{i8 0, i8 2}
!19 = !{}
!20 = !{!12, !14, i64 80}
!21 = !{!12, !15, i64 85}
!22 = !{!15, !15, i64 0}


; 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.anon = type { %struct.numerical_config_t, %struct.numerical_metrics_t, i32, i8, i8 }
%struct.numerical_config_t = type { i32, i64, i8, i8, i8, i64, ptr }
%struct.numerical_metrics_t = type { double, double, double, double, i64 }

@backend_state = external hidden local_unnamed_addr global %struct.anon, align 8

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @numerical_lu(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, i64 noundef %4, i64 noundef %5) local_unnamed_addr #0 {
  %7 = load i8, ptr getelementptr inbounds (i8, ptr @backend_state, i64 84), align 4, !tbaa !5, !range !16, !noundef !17
  %8 = trunc nuw i8 %7 to i1
  %9 = insertelement <4 x ptr> poison, ptr %0, i64 0
  %10 = insertelement <4 x ptr> %9, ptr %1, i64 1
  %11 = insertelement <4 x ptr> %10, ptr %2, i64 2
  %12 = insertelement <4 x ptr> %11, ptr %3, i64 3
  %13 = icmp eq <4 x ptr> %12, zeroinitializer
  %14 = bitcast <4 x i1> %13 to i4
  %15 = icmp eq i4 %14, 0
  %op.rdx = and i1 %15, %8
  br i1 %op.rdx, label %16, label %.sink.split

16:                                               ; preds = %6
  %17 = load i8, ptr getelementptr inbounds (i8, ptr @backend_state, i64 85), align 1, !tbaa !18, !range !16, !noundef !17
  %18 = trunc nuw i8 %17 to i1
  br i1 %18, label %19, label %.sink.split

19:                                               ; preds = %16
  %20 = tail call zeroext i1 @lapack_lu(ptr noundef nonnull %0, i64 noundef %4, i64 noundef %5, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3, i32 noundef 101) #2
  br i1 %20, label %21, label %.sink.split

.sink.split:                                      ; preds = %16, %19, %6
  %.sink = phi i32 [ 1, %6 ], [ 4, %19 ], [ 5, %16 ]
  store i32 %.sink, ptr getelementptr inbounds (i8, ptr @backend_state, i64 80), align 8, !tbaa !19
  br label %21

21:                                               ; preds = %.sink.split, %19
  %.1 = phi i1 [ true, %19 ], [ false, %.sink.split ]
  ret i1 %.1
}

declare zeroext i1 @lapack_lu(ptr noundef, i64 noundef, i64 noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #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 = { "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, !12, i64 84}
!6 = !{!"", !7, i64 0, !14, i64 40, !8, i64 80, !12, i64 84, !12, i64 85}
!7 = !{!"", !8, i64 0, !11, i64 8, !12, i64 16, !12, i64 17, !12, i64 18, !11, i64 24, !13, i64 32}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"long", !9, i64 0}
!12 = !{!"_Bool", !9, i64 0}
!13 = !{!"any pointer", !9, i64 0}
!14 = !{!"", !15, i64 0, !15, i64 8, !15, i64 16, !15, i64 24, !11, i64 32}
!15 = !{!"double", !9, i64 0}
!16 = !{i8 0, i8 2}
!17 = !{}
!18 = !{!6, !12, i64 85}
!19 = !{!6, !8, i64 80}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalDCEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass