; LLVM IR from LukeMcCulloch/cfd_solvers_cpp :: src/EulerShockTube1D.ll (ZN13EulerSolver1D6SolverD2Ev)

; 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.EulerSolver1D::Solver" = type { float, float, float, float, float, float, float, float, float, float, float, i32, i32, i32, i32, i32, i32, %class.Array2D, %class.Array2D, %class.Array2D, %class.Array2D, %class.Array2D, ptr }
%class.Array2D = type { i32, i32, i32, i32, i32, i32, i8, i8, ptr }
%"struct.EulerSolver1D::cell_data" = type { float, %class.Array2D, %class.Array2D, %class.Array2D, %class.Array2D, %class.Array2D }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13EulerSolver1D9cell_dataD2Ev(ptr noundef nonnull align 8 dereferenceable(208)) unnamed_addr #0 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPvm(ptr noundef, i64 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN13EulerSolver1D6SolverD2Ev(ptr noundef nonnull align 8 dereferenceable(280) %0) unnamed_addr #2 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.EulerSolver1D::Solver", ptr %3, i32 0, i32 22
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp eq ptr %5, null
  br i1 %6, label %19, label %7

7:                                                ; preds = %1
  %8 = getelementptr inbounds i8, ptr %5, i64 -8
  %9 = load i64, ptr %8, align 8
  %10 = getelementptr inbounds %"struct.EulerSolver1D::cell_data", ptr %5, i64 %9
  %11 = icmp eq ptr %5, %10
  br i1 %11, label %16, label %12

12:                                               ; preds = %12, %7
  %13 = phi ptr [ %10, %7 ], [ %14, %12 ]
  %14 = getelementptr inbounds %"struct.EulerSolver1D::cell_data", ptr %13, i64 -1
  call void @_ZN13EulerSolver1D9cell_dataD2Ev(ptr noundef nonnull align 8 dereferenceable(208) %14) #3
  %15 = icmp eq ptr %14, %5
  br i1 %15, label %16, label %12

16:                                               ; preds = %12, %7
  %17 = mul i64 208, %9
  %18 = add i64 %17, 8
  call void @_ZdaPvm(ptr noundef %8, i64 noundef %18) #4
  br label %19

19:                                               ; preds = %16, %1
  %20 = getelementptr inbounds %"class.EulerSolver1D::Solver", ptr %3, i32 0, i32 21
  call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %20) #3
  %21 = getelementptr inbounds %"class.EulerSolver1D::Solver", ptr %3, i32 0, i32 20
  call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %21) #3
  %22 = getelementptr inbounds %"class.EulerSolver1D::Solver", ptr %3, i32 0, i32 19
  call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %22) #3
  %23 = getelementptr inbounds %"class.EulerSolver1D::Solver", ptr %3, i32 0, i32 18
  call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %23) #3
  %24 = getelementptr inbounds %"class.EulerSolver1D::Solver", ptr %3, i32 0, i32 17
  call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %24) #3
  ret void
}

attributes #0 = { inlinehint 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 #1 = { nobuiltin nounwind "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 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 #3 = { nounwind }
attributes #4 = { builtin 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, !6, i64 272}
!10 = !{!"_ZTSN13EulerSolver1D6SolverE", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !11, i64 32, !11, i64 36, !11, i64 40, !12, i64 44, !12, i64 48, !12, i64 52, !12, i64 56, !12, i64 60, !12, i64 64, !13, i64 72, !13, i64 112, !13, i64 152, !13, i64 192, !13, i64 232, !6, i64 272}
!11 = !{!"float", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!"_ZTS7Array2DIfE", !12, i64 0, !12, i64 4, !12, i64 8, !12, i64 12, !12, i64 16, !12, i64 20, !14, i64 24, !14, i64 25, !6, i64 32}
!14 = !{!"bool", !7, 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.EulerSolver1D::cell_data" = type { float, %class.Array2D, %class.Array2D, %class.Array2D, %class.Array2D, %class.Array2D }
%class.Array2D = type { i32, i32, i32, i32, i32, i32, i8, i8, ptr }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13EulerSolver1D9cell_dataD2Ev(ptr noundef nonnull align 8 dereferenceable(208)) unnamed_addr #0 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPvm(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN13EulerSolver1D6SolverD2Ev(ptr noundef nonnull align 8 dereferenceable(280) %0) unnamed_addr #2 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 272
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %15, label %5

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %3, i64 -8
  %7 = load i64, ptr %6, align 8
  %8 = icmp eq i64 %7, 0
  br i1 %8, label %.loopexit, label %.preheader.preheader

.preheader.preheader:                             ; preds = %5
  %9 = getelementptr inbounds %"struct.EulerSolver1D::cell_data", ptr %3, i64 %7
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.preheader
  %10 = phi ptr [ %11, %.preheader ], [ %9, %.preheader.preheader ]
  %11 = getelementptr inbounds i8, ptr %10, i64 -208
  tail call void @_ZN13EulerSolver1D9cell_dataD2Ev(ptr noundef nonnull align 8 dereferenceable(208) %11) #3
  %12 = icmp eq ptr %11, %3
  br i1 %12, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %5
  %13 = mul i64 %7, 208
  %14 = or disjoint i64 %13, 8
  tail call void @_ZdaPvm(ptr noundef nonnull %6, i64 noundef %14) #4
  br label %15

15:                                               ; preds = %.loopexit, %1
  %16 = getelementptr inbounds i8, ptr %0, i64 232
  tail call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %16) #3
  %17 = getelementptr inbounds i8, ptr %0, i64 192
  tail call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %17) #3
  %18 = getelementptr inbounds i8, ptr %0, i64 152
  tail call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %18) #3
  %19 = getelementptr inbounds i8, ptr %0, i64 112
  tail call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %19) #3
  %20 = getelementptr inbounds i8, ptr %0, i64 72
  tail call void @_ZN7Array2DIfED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %20) #3
  ret void
}

attributes #0 = { inlinehint 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 #1 = { nobuiltin nounwind "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 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 #3 = { nounwind }
attributes #4 = { builtin 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, !13, i64 272}
!6 = !{!"_ZTSN13EulerSolver1D6SolverE", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24, !7, i64 28, !7, i64 32, !7, i64 36, !7, i64 40, !10, i64 44, !10, i64 48, !10, i64 52, !10, i64 56, !10, i64 60, !10, i64 64, !11, i64 72, !11, i64 112, !11, i64 152, !11, i64 192, !11, i64 232, !13, i64 272}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"_ZTS7Array2DIfE", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !12, i64 24, !12, i64 25, !13, i64 32}
!12 = !{!"bool", !8, i64 0}
!13 = !{!"any pointer", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass