; LLVM IR from Slingshot-Physics/slingshot-community :: common/math/src/heap_matrix.ll (ZNK10HeapMatrixplEf)

; 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"

%class.HeapMatrix = type { i32, i32, i32, i32, i32, [12 x i8], ptr, [8 x i8] }

; 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: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN10HeapMatrixclEjj(ptr noundef nonnull align 16 dereferenceable(40), i32 noundef, i32 noundef) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK10HeapMatrixplEf(ptr dead_on_unwind noalias writable sret(%class.HeapMatrix) align 16 %0, ptr noundef nonnull align 16 dereferenceable(40) %1, float noundef %2) #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca float, align 4
  %7 = alloca i1, align 1
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store float %2, ptr %6, align 4, !tbaa !9
  %13 = load ptr, ptr %5, align 8
  store i1 false, ptr %7, align 1
  call void @_ZN10HeapMatrixC1ERKS_(ptr noundef nonnull align 16 dereferenceable(40) %0, ptr noundef nonnull align 16 dereferenceable(40) %13)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  store i32 0, ptr %8, align 4, !tbaa !11
  br label %14

14:                                               ; preds = %43, %3
  %15 = load i32, ptr %8, align 4, !tbaa !11
  %16 = getelementptr inbounds %class.HeapMatrix, ptr %13, i32 0, i32 0
  %17 = load i32, ptr %16, align 16, !tbaa !13
  %18 = icmp ult i32 %15, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %14
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  br label %46

20:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #2
  store i32 0, ptr %10, align 4, !tbaa !11
  br label %21

21:                                               ; preds = %35, %20
  %22 = load i32, ptr %10, align 4, !tbaa !11
  %23 = getelementptr inbounds %class.HeapMatrix, ptr %13, i32 0, i32 1
  %24 = load i32, ptr %23, align 4, !tbaa !15
  %25 = icmp ult i32 %22, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %21
  store i32 5, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  br label %42

27:                                               ; preds = %21
  %28 = load float, ptr %6, align 4, !tbaa !9
  %29 = load i32, ptr %8, align 4, !tbaa !11
  %30 = load i32, ptr %10, align 4, !tbaa !11
  %31 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN10HeapMatrixclEjj(ptr noundef nonnull align 16 dereferenceable(40) %0, i32 noundef %29, i32 noundef %30)
          to label %32 unwind label %38

32:                                               ; preds = %27
  %33 = load float, ptr %31, align 4, !tbaa !9
  %34 = fadd float %33, %28
  store float %34, ptr %31, align 4, !tbaa !9
  br label %35

35:                                               ; preds = %32
  %36 = load i32, ptr %10, align 4, !tbaa !11
  %37 = add i32 %36, 1
  store i32 %37, ptr %10, align 4, !tbaa !11
  br label %21, !llvm.loop !16

38:                                               ; preds = %27
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %11, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  call void @_ZN10HeapMatrixD1Ev(ptr noundef nonnull align 16 dereferenceable(40) %0) #2
  br label %50

42:                                               ; preds = %26
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %8, align 4, !tbaa !11
  %45 = add i32 %44, 1
  store i32 %45, ptr %8, align 4, !tbaa !11
  br label %14, !llvm.loop !18

46:                                               ; preds = %19
  store i1 true, ptr %7, align 1
  store i32 1, ptr %9, align 4
  %47 = load i1, ptr %7, align 1
  br i1 %47, label %49, label %48

48:                                               ; preds = %46
  call void @_ZN10HeapMatrixD1Ev(ptr noundef nonnull align 16 dereferenceable(40) %0) #2
  br label %49

49:                                               ; preds = %48, %46
  ret void

50:                                               ; preds = %38
  %51 = load ptr, ptr %11, align 8
  %52 = load i32, ptr %12, align 4
  %53 = insertvalue { ptr, i32 } poison, ptr %51, 0
  %54 = insertvalue { ptr, i32 } %53, i32 %52, 1
  resume { ptr, i32 } %54
}

declare void @_ZN10HeapMatrixC1ERKS_(ptr, ptr)

declare void @_ZN10HeapMatrixD1Ev(ptr)

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"float", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !12, i64 0}
!14 = !{!"_ZTS10HeapMatrix", !12, i64 0, !12, i64 4, !12, i64 8, !12, i64 12, !12, i64 16, !6, i64 32}
!15 = !{!14, !12, i64 4}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}
!18 = distinct !{!18, !17}


; 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"

%class.HeapMatrix = type { i32, i32, i32, i32, i32, [12 x i8], ptr, [8 x i8] }

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN10HeapMatrixclEjj(ptr noundef nonnull align 16 dereferenceable(40), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK10HeapMatrixplEf(ptr dead_on_unwind noalias writable sret(%class.HeapMatrix) align 16 %0, ptr noundef nonnull align 16 dereferenceable(40) %1, float noundef %2) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN10HeapMatrixC1ERKS_(ptr noundef nonnull align 16 dereferenceable(40) %0, ptr noundef nonnull align 16 dereferenceable(40) %1)
  %4 = load i32, ptr %1, align 16, !tbaa !5
  %.not = icmp eq i32 %4, 0
  br i1 %.not, label %._crit_edge13, label %.preheader.lr.ph

.preheader.lr.ph:                                 ; preds = %3
  %5 = getelementptr inbounds i8, ptr %1, i64 4
  %6 = load i32, ptr %5, align 4, !tbaa !11
  %.not14 = icmp eq i32 %6, 0
  br i1 %.not14, label %._crit_edge13, label %.preheader

.preheader:                                       ; preds = %.preheader.lr.ph, %._crit_edge
  %7 = phi i32 [ %9, %._crit_edge ], [ %4, %.preheader.lr.ph ]
  %8 = phi i32 [ %10, %._crit_edge ], [ 1, %.preheader.lr.ph ]
  %.012 = phi i32 [ %11, %._crit_edge ], [ 0, %.preheader.lr.ph ]
  %.not15 = icmp eq i32 %8, 0
  br i1 %.not15, label %._crit_edge, label %.lr.ph

._crit_edge.loopexit:                             ; preds = %14
  %.pre = load i32, ptr %1, align 16, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %9 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %7, %.preheader ]
  %10 = phi i32 [ %18, %._crit_edge.loopexit ], [ 0, %.preheader ]
  %11 = add nuw i32 %.012, 1
  %12 = icmp ult i32 %11, %9
  br i1 %12, label %.preheader, label %._crit_edge13, !llvm.loop !12

.lr.ph:                                           ; preds = %.preheader, %14
  %.01011 = phi i32 [ %17, %14 ], [ 0, %.preheader ]
  %13 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZN10HeapMatrixclEjj(ptr noundef nonnull align 16 dereferenceable(40) %0, i32 noundef %.012, i32 noundef %.01011)
          to label %14 unwind label %20

14:                                               ; preds = %.lr.ph
  %15 = load float, ptr %13, align 4, !tbaa !15
  %16 = fadd float %15, %2
  store float %16, ptr %13, align 4, !tbaa !15
  %17 = add nuw i32 %.01011, 1
  %18 = load i32, ptr %5, align 4, !tbaa !11
  %19 = icmp ult i32 %17, %18
  br i1 %19, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !17

20:                                               ; preds = %.lr.ph
  %21 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN10HeapMatrixD1Ev(ptr noundef nonnull align 16 dereferenceable(40) %0) #1
  resume { ptr, i32 } %21

._crit_edge13:                                    ; preds = %._crit_edge, %.preheader.lr.ph, %3
  ret void
}

declare void @_ZN10HeapMatrixC1ERKS_(ptr, ptr) local_unnamed_addr

declare void @_ZN10HeapMatrixD1Ev(ptr) local_unnamed_addr

attributes #0 = { 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 #1 = { 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, !7, i64 0}
!6 = !{!"_ZTS10HeapMatrix", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !10, i64 32}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 4}
!12 = distinct !{!12, !13, !14}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{!"llvm.loop.unswitch.partial.disable"}
!15 = !{!16, !16, i64 0}
!16 = !{!"float", !8, i64 0}
!17 = distinct !{!17, !13}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass,TailCallElimPass