; LLVM IR from qc-tum/chemtensor :: src/tensor (su2_irrep_lists)

; 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.su2_irreducible_list = type { ptr, i32 }

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @su2_irreducible_list_equal(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.su2_irreducible_list, ptr %8, i32 0, i32 1
  %10 = load i32, ptr %9, align 8, !tbaa !9
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.su2_irreducible_list, ptr %11, i32 0, i32 1
  %13 = load i32, ptr %12, align 8, !tbaa !9
  %14 = icmp ne i32 %10, %13
  br i1 %14, label %15, label %16

15:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %48

16:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  store i32 0, ptr %6, align 4, !tbaa !12
  br label %17

17:                                               ; preds = %42, %16
  %18 = load i32, ptr %6, align 4, !tbaa !12
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.su2_irreducible_list, ptr %19, i32 0, i32 1
  %21 = load i32, ptr %20, align 8, !tbaa !9
  %22 = icmp slt i32 %18, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %17
  store i32 2, ptr %7, align 4
  br label %45

24:                                               ; preds = %17
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.su2_irreducible_list, ptr %25, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8, !tbaa !13
  %28 = load i32, ptr %6, align 4, !tbaa !12
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds i32, ptr %27, i64 %29
  %31 = load i32, ptr %30, align 4, !tbaa !12
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.su2_irreducible_list, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !13
  %35 = load i32, ptr %6, align 4, !tbaa !12
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds i32, ptr %34, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !12
  %39 = icmp ne i32 %31, %38
  br i1 %39, label %40, label %41

40:                                               ; preds = %24
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %45

41:                                               ; preds = %24
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %6, align 4, !tbaa !12
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %6, align 4, !tbaa !12
  br label %17, !llvm.loop !14

45:                                               ; preds = %40, %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %46 = load i32, ptr %7, align 4
  switch i32 %46, label %50 [
    i32 2, label %47
    i32 1, label %48
  ]

47:                                               ; preds = %45
  store i1 true, ptr %3, align 1
  br label %48

48:                                               ; preds = %47, %45, %15
  %49 = load i1, ptr %3, align 1
  ret i1 %49

50:                                               ; preds = %45
  unreachable
}

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

; 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 }

!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 8}
!10 = !{!"su2_irreducible_list", !6, i64 0, !11, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !6, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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: nofree norecurse nosync nounwind memory(read, inaccessiblemem: none) uwtable
define dso_local zeroext i1 @su2_irreducible_list_equal(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  %6 = load i32, ptr %5, align 8, !tbaa !5
  %.not = icmp eq i32 %4, %6
  br i1 %.not, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %2
  %7 = icmp slt i32 %4, 1
  br i1 %7, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader
  %8 = load ptr, ptr %0, align 8, !tbaa !11
  %9 = load ptr, ptr %1, align 8, !tbaa !11
  %10 = zext nneg i32 %4 to i64
  %wide.trip.count = zext nneg i32 %4 to i64
  br label %12

11:                                               ; preds = %12
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond, label %.loopexit.loopexit.split.loop.exit, label %12, !llvm.loop !12

12:                                               ; preds = %.lr.ph, %11
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %11 ]
  %13 = getelementptr inbounds i32, ptr %8, i64 %indvars.iv
  %14 = load i32, ptr %13, align 4, !tbaa !14
  %15 = getelementptr inbounds i32, ptr %9, i64 %indvars.iv
  %16 = load i32, ptr %15, align 4, !tbaa !14
  %.not12 = icmp eq i32 %14, %16
  br i1 %.not12, label %11, label %.loopexit

.loopexit.loopexit.split.loop.exit:               ; preds = %11
  %17 = icmp uge i64 %indvars.iv.next, %10
  br label %.loopexit

.loopexit:                                        ; preds = %12, %.loopexit.loopexit.split.loop.exit, %.preheader, %2
  %.1 = phi i1 [ false, %2 ], [ true, %.preheader ], [ %17, %.loopexit.loopexit.split.loop.exit ], [ false, %12 ]
  ret i1 %.1
}

attributes #0 = { nofree norecurse nosync nounwind memory(read, 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, !10, i64 8}
!6 = !{!"su2_irreducible_list", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{!10, !10, i64 0}


; Effective O3 passes: ConstraintEliminationPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass