; LLVM IR from nubot-nudt/simatch :: src/robot_code/world_model/rtdb/parser (xrtdb)

; 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.yy_buffer_state = type { ptr, ptr, ptr, i64, i32, i32, i32, i32, i32, i32, i32, i32 }

@.str.4 = external hidden unnamed_addr constant [41 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [30 x i8], align 1

; 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 hidden void @yy_fatal_error(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @yyalloc(i64 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @yy_scan_buffer(ptr noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @yy_scan_bytes(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = add nsw i32 %9, 2
  %11 = sext i32 %10 to i64
  store i64 %11, ptr %7, align 8, !tbaa !11
  %12 = load i64, ptr %7, align 8, !tbaa !11
  %13 = call ptr @yyalloc(i64 noundef %12)
  store ptr %13, ptr %6, align 8, !tbaa !5
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %17, label %16

16:                                               ; preds = %2
  call void @yy_fatal_error(ptr noundef @.str.4)
  br label %17

17:                                               ; preds = %16, %2
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %32, %17
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = icmp slt i32 %19, %20
  br i1 %21, label %22, label %35

22:                                               ; preds = %18
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = load i32, ptr %8, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i8, ptr %23, i64 %25
  %27 = load i8, ptr %26, align 1, !tbaa !13
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load i32, ptr %8, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds i8, ptr %28, i64 %30
  store i8 %27, ptr %31, align 1, !tbaa !13
  br label %32

32:                                               ; preds = %22
  %33 = load i32, ptr %8, align 4, !tbaa !9
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %8, align 4, !tbaa !9
  br label %18, !llvm.loop !14

35:                                               ; preds = %18
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  %37 = load i32, ptr %4, align 4, !tbaa !9
  %38 = add nsw i32 %37, 1
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds i8, ptr %36, i64 %39
  store i8 0, ptr %40, align 1, !tbaa !13
  %41 = load ptr, ptr %6, align 8, !tbaa !5
  %42 = load i32, ptr %4, align 4, !tbaa !9
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds i8, ptr %41, i64 %43
  store i8 0, ptr %44, align 1, !tbaa !13
  %45 = load ptr, ptr %6, align 8, !tbaa !5
  %46 = load i64, ptr %7, align 8, !tbaa !11
  %47 = call ptr @yy_scan_buffer(ptr noundef %45, i64 noundef %46)
  store ptr %47, ptr %5, align 8, !tbaa !5
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  %49 = icmp ne ptr %48, null
  br i1 %49, label %51, label %50

50:                                               ; preds = %35
  call void @yy_fatal_error(ptr noundef @.str.5)
  br label %51

51:                                               ; preds = %50, %35
  %52 = load ptr, ptr %5, align 8, !tbaa !5
  %53 = getelementptr inbounds %struct.yy_buffer_state, ptr %52, i32 0, i32 5
  store i32 1, ptr %53, align 4, !tbaa !16
  %54 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret ptr %54
}

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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = !{!17, !10, i64 36}
!17 = !{!"yy_buffer_state", !6, i64 0, !6, i64 8, !6, i64 16, !12, i64 24, !10, i64 32, !10, i64 36, !10, i64 40, !10, i64 44, !10, i64 48, !10, i64 52, !10, i64 56, !10, i64 60}


; 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"

@.str.4 = external hidden unnamed_addr constant [41 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [30 x i8], align 1

; Function Attrs: nounwind uwtable
declare hidden void @yy_fatal_error(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @yyalloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @yy_scan_buffer(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local ptr @yy_scan_bytes(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = ptrtoint ptr %0 to i64
  %4 = add nsw i32 %1, 2
  %5 = sext i32 %4 to i64
  %6 = tail call ptr @yyalloc(i64 noundef %5)
  %7 = ptrtoint ptr %6 to i64
  %.not = icmp eq ptr %6, null
  br i1 %.not, label %8, label %9

8:                                                ; preds = %2
  tail call void @yy_fatal_error(ptr noundef nonnull @.str.4)
  br label %9

9:                                                ; preds = %8, %2
  %10 = icmp sgt i32 %1, 0
  br i1 %10, label %iter.check, label %._crit_edge

iter.check:                                       ; preds = %9
  %wide.trip.count = zext nneg i32 %1 to i64
  %min.iters.check = icmp ult i32 %1, 8
  %11 = sub i64 %7, %3
  %diff.check = icmp ult i64 %11, 32
  %or.cond = or i1 %min.iters.check, %diff.check
  br i1 %or.cond, label %.lr.ph.preheader, label %vector.main.loop.iter.check

vector.main.loop.iter.check:                      ; preds = %iter.check
  %min.iters.check22 = icmp ult i32 %1, 32
  br i1 %min.iters.check22, label %vec.epilog.ph, label %vector.ph

vector.ph:                                        ; preds = %vector.main.loop.iter.check
  %n.vec = and i64 %wide.trip.count, 2147483616
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %12 = getelementptr inbounds i8, ptr %0, i64 %index
  %13 = getelementptr inbounds i8, ptr %12, i64 16
  %wide.load = load <16 x i8>, ptr %12, align 1, !tbaa !5
  %wide.load23 = load <16 x i8>, ptr %13, align 1, !tbaa !5
  %14 = getelementptr inbounds i8, ptr %6, i64 %index
  %15 = getelementptr inbounds i8, ptr %14, i64 16
  store <16 x i8> %wide.load, ptr %14, align 1, !tbaa !5
  store <16 x i8> %wide.load23, ptr %15, align 1, !tbaa !5
  %index.next = add nuw i64 %index, 32
  %16 = icmp eq i64 %index.next, %n.vec
  br i1 %16, label %middle.block, label %vector.body, !llvm.loop !8

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %._crit_edge, label %vec.epilog.iter.check

vec.epilog.iter.check:                            ; preds = %middle.block
  %n.vec.remaining = and i64 %wide.trip.count, 24
  %min.epilog.iters.check = icmp eq i64 %n.vec.remaining, 0
  br i1 %min.epilog.iters.check, label %.lr.ph.preheader, label %vec.epilog.ph

vec.epilog.ph:                                    ; preds = %vector.main.loop.iter.check, %vec.epilog.iter.check
  %vec.epilog.resume.val = phi i64 [ %n.vec, %vec.epilog.iter.check ], [ 0, %vector.main.loop.iter.check ]
  %n.vec25 = and i64 %wide.trip.count, 2147483640
  br label %vec.epilog.vector.body

vec.epilog.vector.body:                           ; preds = %vec.epilog.vector.body, %vec.epilog.ph
  %index26 = phi i64 [ %vec.epilog.resume.val, %vec.epilog.ph ], [ %index.next28, %vec.epilog.vector.body ]
  %17 = getelementptr inbounds i8, ptr %0, i64 %index26
  %wide.load27 = load <8 x i8>, ptr %17, align 1, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %6, i64 %index26
  store <8 x i8> %wide.load27, ptr %18, align 1, !tbaa !5
  %index.next28 = add nuw i64 %index26, 8
  %19 = icmp eq i64 %index.next28, %n.vec25
  br i1 %19, label %vec.epilog.middle.block, label %vec.epilog.vector.body, !llvm.loop !12

vec.epilog.middle.block:                          ; preds = %vec.epilog.vector.body
  %cmp.n29 = icmp eq i64 %n.vec25, %wide.trip.count
  br i1 %cmp.n29, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %vec.epilog.middle.block, %iter.check, %vec.epilog.iter.check
  %indvars.iv.ph = phi i64 [ 0, %iter.check ], [ %n.vec, %vec.epilog.iter.check ], [ %n.vec25, %vec.epilog.middle.block ]
  %xtraiter = and i64 %wide.trip.count, 3
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.lr.ph.prol.loopexit, label %.lr.ph.prol

.lr.ph.prol:                                      ; preds = %.lr.ph.preheader, %.lr.ph.prol
  %indvars.iv.prol = phi i64 [ %indvars.iv.next.prol, %.lr.ph.prol ], [ %indvars.iv.ph, %.lr.ph.preheader ]
  %prol.iter = phi i64 [ %prol.iter.next, %.lr.ph.prol ], [ 0, %.lr.ph.preheader ]
  %20 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv.prol
  %21 = load i8, ptr %20, align 1, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %6, i64 %indvars.iv.prol
  store i8 %21, ptr %22, align 1, !tbaa !5
  %indvars.iv.next.prol = add nuw nsw i64 %indvars.iv.prol, 1
  %prol.iter.next = add i64 %prol.iter, 1
  %prol.iter.cmp.not = icmp eq i64 %prol.iter.next, %xtraiter
  br i1 %prol.iter.cmp.not, label %.lr.ph.prol.loopexit, label %.lr.ph.prol, !llvm.loop !13

.lr.ph.prol.loopexit:                             ; preds = %.lr.ph.prol, %.lr.ph.preheader
  %indvars.iv.unr = phi i64 [ %indvars.iv.ph, %.lr.ph.preheader ], [ %indvars.iv.next.prol, %.lr.ph.prol ]
  %23 = sub nsw i64 %indvars.iv.ph, %wide.trip.count
  %24 = icmp ugt i64 %23, -4
  br i1 %24, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.prol.loopexit, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next.3, %.lr.ph ], [ %indvars.iv.unr, %.lr.ph.prol.loopexit ]
  %25 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv
  %26 = load i8, ptr %25, align 1, !tbaa !5
  %27 = getelementptr inbounds i8, ptr %6, i64 %indvars.iv
  store i8 %26, ptr %27, align 1, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %28 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv.next
  %29 = load i8, ptr %28, align 1, !tbaa !5
  %30 = getelementptr inbounds i8, ptr %6, i64 %indvars.iv.next
  store i8 %29, ptr %30, align 1, !tbaa !5
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %31 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv.next.1
  %32 = load i8, ptr %31, align 1, !tbaa !5
  %33 = getelementptr inbounds i8, ptr %6, i64 %indvars.iv.next.1
  store i8 %32, ptr %33, align 1, !tbaa !5
  %indvars.iv.next.2 = add nuw nsw i64 %indvars.iv, 3
  %34 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv.next.2
  %35 = load i8, ptr %34, align 1, !tbaa !5
  %36 = getelementptr inbounds i8, ptr %6, i64 %indvars.iv.next.2
  store i8 %35, ptr %36, align 1, !tbaa !5
  %indvars.iv.next.3 = add nuw nsw i64 %indvars.iv, 4
  %exitcond.not.3 = icmp eq i64 %indvars.iv.next.3, %wide.trip.count
  br i1 %exitcond.not.3, label %._crit_edge, label %.lr.ph, !llvm.loop !15

._crit_edge:                                      ; preds = %.lr.ph.prol.loopexit, %.lr.ph, %middle.block, %vec.epilog.middle.block, %9
  %37 = sext i32 %1 to i64
  %38 = getelementptr i8, ptr %6, i64 %37
  %39 = getelementptr i8, ptr %38, i64 1
  store i8 0, ptr %39, align 1, !tbaa !5
  store i8 0, ptr %38, align 1, !tbaa !5
  %40 = tail call ptr @yy_scan_buffer(ptr noundef %6, i64 noundef %5)
  %.not19 = icmp eq ptr %40, null
  br i1 %.not19, label %41, label %42

41:                                               ; preds = %._crit_edge
  tail call void @yy_fatal_error(ptr noundef nonnull @.str.5)
  br label %42

42:                                               ; preds = %41, %._crit_edge
  %43 = getelementptr inbounds i8, ptr %40, i64 36
  store i32 1, ptr %43, align 4, !tbaa !16
  ret ptr %40
}

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, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9, !10, !11}
!9 = !{!"llvm.loop.mustprogress"}
!10 = !{!"llvm.loop.isvectorized", i32 1}
!11 = !{!"llvm.loop.unroll.runtime.disable"}
!12 = distinct !{!12, !9, !10, !11}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.unroll.disable"}
!15 = distinct !{!15, !9, !10}
!16 = !{!17, !20, i64 36}
!17 = !{!"yy_buffer_state", !18, i64 0, !18, i64 8, !18, i64 16, !19, i64 24, !20, i64 32, !20, i64 36, !20, i64 40, !20, i64 44, !20, i64 48, !20, i64 52, !20, i64 56, !20, i64 60}
!18 = !{!"any pointer", !6, i64 0}
!19 = !{!"long", !6, i64 0}
!20 = !{!"int", !6, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass