; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @get_numerical_metrics(ptr noundef %0) #1 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load i8, ptr getelementptr inbounds (%struct.anon, ptr @backend_state, i32 0, i32 3), align 4, !tbaa !9, !range !17, !noundef !18
  %5 = trunc i8 %4 to i1
  br i1 %5, label %6, label %9

6:                                                ; preds = %1
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = icmp ne ptr %7, null
  br i1 %8, label %10, label %9

9:                                                ; preds = %6, %1
  store i32 1, ptr getelementptr inbounds (%struct.anon, ptr @backend_state, i32 0, i32 2), align 8, !tbaa !19
  store i1 false, ptr %2, align 1
  br label %12

10:                                               ; preds = %6
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 8 getelementptr inbounds (%struct.anon, ptr @backend_state, i32 0, i32 1), i64 40, i1 false), !tbaa.struct !20
  store i1 true, ptr %2, align 1
  br label %12

12:                                               ; preds = %10, %9
  %13 = load i1, ptr %2, align 1
  ret i1 %13
}

attributes #0 = { nocallback nofree 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" }

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

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) uwtable
define dso_local noundef zeroext i1 @get_numerical_metrics(ptr noundef writeonly %0) local_unnamed_addr #1 {
  %2 = load i8, ptr getelementptr inbounds (i8, ptr @backend_state, i64 84), align 4, !tbaa !5, !range !16, !noundef !17
  %3 = trunc nuw i8 %2 to i1
  %4 = icmp ne ptr %0, null
  %or.cond = and i1 %4, %3
  br i1 %or.cond, label %6, label %5

5:                                                ; preds = %1
  store i32 1, ptr getelementptr inbounds (i8, ptr @backend_state, i64 80), align 8, !tbaa !18
  br label %7

6:                                                ; preds = %1
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(40) getelementptr inbounds (i8, ptr @backend_state, i64 40), i64 40, i1 false), !tbaa.struct !19
  br label %7

7:                                                ; preds = %6, %5
  ret i1 %or.cond
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, 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, !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, !8, i64 80}
!19 = !{i64 0, i64 8, !20, i64 8, i64 8, !20, i64 16, i64 8, !20, i64 24, i64 8, !20, i64 32, i64 8, !21}
!20 = !{!15, !15, i64 0}
!21 = !{!11, !11, i64 0}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass