; LLVM IR from tsotchke/quantum_geometric_tensor :: src/quantum_geometric/hardware (quantum_geometric_tensor_config)

; 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.QGTensorConfig = type { i32, i32, i32, float }

@global_config = external hidden global %struct.QGTensorConfig, align 4

; 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 i32 @qgt_set_config(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = icmp ne ptr %4, null
  br i1 %5, label %7, label %6

6:                                                ; preds = %1
  store i32 -1, ptr %2, align 4
  br label %20

7:                                                ; preds = %1
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.QGTensorConfig, ptr %8, i32 0, i32 1
  %10 = load i32, ptr %9, align 4, !tbaa !9
  %11 = icmp sle i32 %10, 0
  br i1 %11, label %17, label %12

12:                                               ; preds = %7
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.QGTensorConfig, ptr %13, i32 0, i32 3
  %15 = load float, ptr %14, align 4, !tbaa !13
  %16 = fcmp ole float %15, 0.000000e+00
  br i1 %16, label %17, label %18

17:                                               ; preds = %12, %7
  store i32 -1, ptr %2, align 4
  br label %20

18:                                               ; preds = %12
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 @global_config, ptr align 4 %19, i64 16, i1 false), !tbaa.struct !14
  store i32 0, ptr %2, align 4
  br label %20

20:                                               ; preds = %18, %17, %6
  %21 = load i32, ptr %2, align 4
  ret i32 %21
}

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, !11, i64 4}
!10 = !{!"", !11, i64 0, !11, i64 4, !11, i64 8, !12, i64 12}
!11 = !{!"int", !7, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!10, !12, i64 12}
!14 = !{i64 0, i64 4, !15, i64 4, i64 4, !15, i64 8, i64 4, !15, i64 12, i64 4, !16}
!15 = !{!11, !11, i64 0}
!16 = !{!12, !12, 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.QGTensorConfig = type { i32, i32, i32, float }

@global_config = external hidden local_unnamed_addr global %struct.QGTensorConfig, align 4

; 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 range(i32 -1, 1) i32 @qgt_set_config(ptr noundef readonly %0) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %11, label %2

2:                                                ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 4
  %4 = load i32, ptr %3, align 4, !tbaa !5
  %5 = icmp slt i32 %4, 1
  br i1 %5, label %11, label %6

6:                                                ; preds = %2
  %7 = getelementptr inbounds i8, ptr %0, i64 12
  %8 = load float, ptr %7, align 4, !tbaa !11
  %9 = fcmp ugt float %8, 0.000000e+00
  br i1 %9, label %10, label %11

10:                                               ; preds = %6
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) @global_config, ptr noundef nonnull align 4 dereferenceable(16) %0, i64 16, i1 false), !tbaa.struct !12
  br label %11

11:                                               ; preds = %2, %6, %1, %10
  %.0 = phi i32 [ 0, %10 ], [ -1, %1 ], [ -1, %6 ], [ -1, %2 ]
  ret i32 %.0
}

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, !7, i64 4}
!6 = !{!"", !7, i64 0, !7, i64 4, !7, i64 8, !10, i64 12}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"float", !8, i64 0}
!11 = !{!6, !10, i64 12}
!12 = !{i64 0, i64 4, !13, i64 4, i64 4, !13, i64 8, i64 4, !13, i64 12, i64 4, !14}
!13 = !{!7, !7, i64 0}
!14 = !{!10, !10, i64 0}


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