; LLVM IR from marcobambini/gravity :: src/shared (gravity_value)

; 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.gravity_class_s = type { ptr, %struct.gravity_gc_s, ptr, ptr, i8, i8, i8, i8, ptr, ptr, ptr, ptr, i32, ptr }
%struct.gravity_gc_s = type { i8, i8, ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local ptr @gravity_class_lookup_class_identifier(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %18, %2
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = icmp ne ptr %7, null
  br i1 %8, label %9, label %22

9:                                                ; preds = %6
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.gravity_class_s, ptr %10, i32 0, i32 3
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = call i32 @string_cmp(ptr noundef %12, ptr noundef %13)
  %15 = icmp eq i32 %14, 0
  br i1 %15, label %16, label %18

16:                                               ; preds = %9
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %17, ptr %3, align 8
  br label %23

18:                                               ; preds = %9
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.gravity_class_s, ptr %19, i32 0, i32 9
  %21 = load ptr, ptr %20, align 8, !tbaa !14
  store ptr %21, ptr %4, align 8, !tbaa !5
  br label %6, !llvm.loop !15

22:                                               ; preds = %6
  store ptr null, ptr %3, align 8
  br label %23

23:                                               ; preds = %22, %16
  %24 = load ptr, ptr %3, align 8
  ret ptr %24
}

declare i32 @string_cmp(ptr noundef, ptr noundef) #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 = { "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, !6, i64 56}
!10 = !{!"gravity_class_s", !6, i64 0, !11, i64 8, !6, i64 48, !6, i64 56, !12, i64 64, !12, i64 65, !12, i64 66, !12, i64 67, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96, !13, i64 104, !6, i64 112}
!11 = !{!"gravity_gc_s", !12, i64 0, !12, i64 1, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!12 = !{!"_Bool", !7, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!10, !6, i64 80}
!15 = distinct !{!15, !16}
!16 = !{!"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: nounwind uwtable
define dso_local ptr @gravity_class_lookup_class_identifier(ptr noundef readonly %0, ptr noundef %1) local_unnamed_addr #0 {
  %.not7 = icmp eq ptr %0, null
  br i1 %.not7, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %7
  %.068 = phi ptr [ %9, %7 ], [ %0, %2 ]
  %3 = getelementptr inbounds i8, ptr %.068, i64 56
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = tail call i32 @string_cmp(ptr noundef %4, ptr noundef %1) #2
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %._crit_edge, label %7

7:                                                ; preds = %.lr.ph
  %8 = getelementptr inbounds i8, ptr %.068, i64 80
  %9 = load ptr, ptr %8, align 8, !tbaa !13
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !14

._crit_edge:                                      ; preds = %.lr.ph, %7, %2
  %.06.lcssa = phi ptr [ null, %2 ], [ null, %7 ], [ %.068, %.lr.ph ]
  ret ptr %.06.lcssa
}

declare i32 @string_cmp(ptr noundef, ptr noundef) local_unnamed_addr #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 = { "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, !7, i64 56}
!6 = !{!"gravity_class_s", !7, i64 0, !10, i64 8, !7, i64 48, !7, i64 56, !11, i64 64, !11, i64 65, !11, i64 66, !11, i64 67, !7, i64 72, !7, i64 80, !7, i64 88, !7, i64 96, !12, i64 104, !7, i64 112}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"gravity_gc_s", !11, i64 0, !11, i64 1, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32}
!11 = !{!"_Bool", !8, i64 0}
!12 = !{!"int", !8, i64 0}
!13 = !{!6, !7, i64 80}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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