; LLVM IR from ESPboy-edu/ESPboy_tinyphysicsengine :: programs (hello)

; 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.TPE_World = type { ptr, i16, ptr, ptr }
%struct.TPE_Body = type { ptr, i8, ptr, i8, i16, i16, i16, i8, 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: nounwind uwtable
declare dso_local i32 @_TPE_hash(i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @TPE_bodyHash(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @TPE_worldHash(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i8, align 1
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 0, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #2
  store i8 0, ptr %4, align 1, !tbaa !11
  br label %5

5:                                                ; preds = %25, %1
  %6 = load i8, ptr %4, align 1, !tbaa !11
  %7 = zext i8 %6 to i32
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.TPE_World, ptr %8, i32 0, i32 1
  %10 = load i16, ptr %9, align 8, !tbaa !12
  %11 = zext i16 %10 to i32
  %12 = icmp slt i32 %7, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #2
  br label %28

14:                                               ; preds = %5
  %15 = load i32, ptr %3, align 4, !tbaa !9
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.TPE_World, ptr %16, i32 0, i32 0
  %18 = load ptr, ptr %17, align 8, !tbaa !15
  %19 = load i8, ptr %4, align 1, !tbaa !11
  %20 = zext i8 %19 to i64
  %21 = getelementptr inbounds %struct.TPE_Body, ptr %18, i64 %20
  %22 = call i32 @TPE_bodyHash(ptr noundef %21)
  %23 = xor i32 %15, %22
  %24 = call i32 @_TPE_hash(i32 noundef %23)
  store i32 %24, ptr %3, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %14
  %26 = load i8, ptr %4, align 1, !tbaa !11
  %27 = add i8 %26, 1
  store i8 %27, ptr %4, align 1, !tbaa !11
  br label %5, !llvm.loop !16

28:                                               ; preds = %13
  %29 = load i32, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret i32 %29
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !14, i64 8}
!13 = !{!"", !6, i64 0, !14, i64 8, !6, i64 16, !6, i64 24}
!14 = !{!"short", !7, i64 0}
!15 = !{!13, !6, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"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"

%struct.TPE_Body = type { ptr, i8, ptr, i8, i16, i16, i16, i8, i8 }

; Function Attrs: nounwind uwtable
declare dso_local i32 @_TPE_hash(i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @TPE_bodyHash(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @TPE_worldHash(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i16, ptr %2, align 8, !tbaa !5
  %.not = icmp eq i16 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %1
  %.06.lcssa = phi i32 [ 0, %1 ], [ %9, %.lr.ph ]
  ret i32 %.06.lcssa

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.08 = phi i8 [ %10, %.lr.ph ], [ 0, %1 ]
  %.067 = phi i32 [ %9, %.lr.ph ], [ 0, %1 ]
  %4 = load ptr, ptr %0, align 8, !tbaa !11
  %5 = zext i8 %.08 to i64
  %6 = getelementptr inbounds %struct.TPE_Body, ptr %4, i64 %5
  %7 = tail call i32 @TPE_bodyHash(ptr noundef %6)
  %8 = xor i32 %7, %.067
  %9 = tail call i32 @_TPE_hash(i32 noundef %8)
  %10 = add i8 %.08, 1
  %11 = load i16, ptr %2, align 8, !tbaa !5
  %12 = zext i8 %10 to i16
  %13 = icmp ugt i16 %11, %12
  br i1 %13, label %.lr.ph, label %._crit_edge, !llvm.loop !12
}

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" }

!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 = !{!"", !7, i64 0, !10, i64 8, !7, i64 16, !7, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass