; LLVM IR from dafer45/TBTK :: Lib/src/Utilities/SpinMatrix.ll (ZN4TBTK10SpinMatrixmIERKS0_)

; 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"

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumRowsEv(ptr noundef nonnull align 8 dereferenceable(64)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumColsEv(ptr noundef nonnull align 8 dereferenceable(64)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN4TBTK6MatrixISt7complexIdELj2ELj2EE2atEjj(ptr noundef nonnull align 8 dereferenceable(64), i32 noundef, i32 noundef) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE2atEjj(ptr noundef nonnull align 8 dereferenceable(64), i32 noundef, i32 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(64) ptr @_ZN4TBTK10SpinMatrixmIERKS0_(ptr noundef nonnull align 8 dereferenceable(64) %0, ptr noundef nonnull align 8 dereferenceable(64) %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %9

9:                                                ; preds = %33, %2
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = call noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumRowsEv(ptr noundef nonnull align 8 dereferenceable(64) %8)
  %12 = icmp ult i32 %10, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %9
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %36

14:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %29, %14
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = call noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumColsEv(ptr noundef nonnull align 8 dereferenceable(64) %8)
  %18 = icmp ult i32 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %32

20:                                               ; preds = %15
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = load i32, ptr %5, align 4, !tbaa !9
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE2atEjj(ptr noundef nonnull align 8 dereferenceable(64) %21, i32 noundef %22, i32 noundef %23)
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = load i32, ptr %7, align 4, !tbaa !9
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZN4TBTK6MatrixISt7complexIdELj2ELj2EE2atEjj(ptr noundef nonnull align 8 dereferenceable(64) %8, i32 noundef %25, i32 noundef %26)
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt7complexIdEmIIdEERS0_RKS_IT_E(ptr noundef nonnull align 8 dereferenceable(16) %27, ptr noundef nonnull align 8 dereferenceable(16) %24)
  br label %29

29:                                               ; preds = %20
  %30 = load i32, ptr %7, align 4, !tbaa !9
  %31 = add i32 %30, 1
  store i32 %31, ptr %7, align 4, !tbaa !9
  br label %15, !llvm.loop !11

32:                                               ; preds = %19
  br label %33

33:                                               ; preds = %32
  %34 = load i32, ptr %5, align 4, !tbaa !9
  %35 = add i32 %34, 1
  store i32 %35, ptr %5, align 4, !tbaa !9
  br label %9, !llvm.loop !13

36:                                               ; preds = %13
  ret ptr %8
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt7complexIdEmIIdEERS0_RKS_IT_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { mustprogress 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 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumRowsEv(ptr noundef nonnull align 8 dereferenceable(64)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumColsEv(ptr noundef nonnull align 8 dereferenceable(64)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN4TBTK6MatrixISt7complexIdELj2ELj2EE2atEjj(ptr noundef nonnull align 8 dereferenceable(64), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE2atEjj(ptr noundef nonnull align 8 dereferenceable(64), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(64) ptr @_ZN4TBTK10SpinMatrixmIERKS0_(ptr noundef nonnull returned align 8 dereferenceable(64) %0, ptr noundef nonnull align 8 dereferenceable(64) %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumRowsEv(ptr noundef nonnull align 8 dereferenceable(64) %0)
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %._crit_edge12, label %.preheader

.preheader:                                       ; preds = %2, %._crit_edge
  %.0911 = phi i32 [ %5, %._crit_edge ], [ 0, %2 ]
  %4 = tail call noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumColsEv(ptr noundef nonnull align 8 dereferenceable(64) %0)
  %.not13 = icmp eq i32 %4, 0
  br i1 %.not13, label %._crit_edge, label %.lr.ph

._crit_edge12:                                    ; preds = %._crit_edge, %2
  ret ptr %0

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %5 = add nuw i32 %.0911, 1
  %6 = tail call noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumRowsEv(ptr noundef nonnull align 8 dereferenceable(64) %0)
  %7 = icmp ult i32 %5, %6
  br i1 %7, label %.preheader, label %._crit_edge12, !llvm.loop !5

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.010 = phi i32 [ %11, %.lr.ph ], [ 0, %.preheader ]
  %8 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE2atEjj(ptr noundef nonnull align 8 dereferenceable(64) %1, i32 noundef %.0911, i32 noundef %.010)
  %9 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZN4TBTK6MatrixISt7complexIdELj2ELj2EE2atEjj(ptr noundef nonnull align 8 dereferenceable(64) %0, i32 noundef %.0911, i32 noundef %.010)
  %10 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt7complexIdEmIIdEERS0_RKS_IT_E(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(16) %8)
  %11 = add nuw i32 %.010, 1
  %12 = tail call noundef i32 @_ZNK4TBTK6MatrixISt7complexIdELj2ELj2EE10getNumColsEv(ptr noundef nonnull align 8 dereferenceable(64) %0)
  %13 = icmp ult i32 %11, %12
  br i1 %13, label %.lr.ph, label %._crit_edge, !llvm.loop !7
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt7complexIdEmIIdEERS0_RKS_IT_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

attributes #0 = { mustprogress 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = distinct !{!7, !6}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass