; LLVM IR from Robert-van-Engelen/lisp-cheney :: src (lisp-cheney)

; 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"

@NIL = external dso_local global i64, align 8
@cell = external dso_local global ptr, align 8
@nil = external dso_local global double, align 8

; Function Attrs: nounwind uwtable
declare dso_local i64 @ord(double noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local double @car(double noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local double @cdr(double noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local double @pair(double noundef, double noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @more(double noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @var(i32 noundef, ...) #0

; Function Attrs: nounwind uwtable
declare dso_local double @ret(i32 noundef, double noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local double @eval(double noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local double @f_begin(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local double @f_letreca(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca double, align 8
  %6 = alloca double, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %7 = load double, ptr @nil, align 8, !tbaa !9
  store double %7, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  call void (i32, ...) @var(i32 noundef 1, ptr noundef %5)
  br label %8

8:                                                ; preds = %37, %2
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = load double, ptr %9, align 8, !tbaa !9
  %11 = call i32 @more(double noundef %10)
  %12 = icmp ne i32 %11, 0
  br i1 %12, label %13, label %42

13:                                               ; preds = %8
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = load double, ptr %14, align 8, !tbaa !9
  %16 = call double @car(double noundef %15)
  %17 = call double @car(double noundef %16)
  %18 = load double, ptr @nil, align 8, !tbaa !9
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = call double @pair(double noundef %17, double noundef %18, ptr noundef %19)
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  store double %20, ptr %21, align 8, !tbaa !9
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = load double, ptr %22, align 8, !tbaa !9
  %24 = call double @car(double noundef %23)
  %25 = call double @cdr(double noundef %24)
  store double %25, ptr %5, align 8, !tbaa !9
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = call double @f_begin(ptr noundef %5, ptr noundef %26)
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = call double @eval(double noundef %27, ptr noundef %28)
  store double %29, ptr %6, align 8, !tbaa !9
  %30 = load double, ptr %6, align 8, !tbaa !9
  %31 = load ptr, ptr @cell, align 8, !tbaa !5
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = load double, ptr %32, align 8, !tbaa !9
  %34 = call double @car(double noundef %33)
  %35 = call i64 @ord(double noundef %34)
  %36 = getelementptr inbounds double, ptr %31, i64 %35
  store double %30, ptr %36, align 8, !tbaa !9
  br label %37

37:                                               ; preds = %13
  %38 = load ptr, ptr %3, align 8, !tbaa !5
  %39 = load double, ptr %38, align 8, !tbaa !9
  %40 = call double @cdr(double noundef %39)
  %41 = load ptr, ptr %3, align 8, !tbaa !5
  store double %40, ptr %41, align 8, !tbaa !9
  br label %8, !llvm.loop !11

42:                                               ; preds = %8
  %43 = load ptr, ptr %3, align 8, !tbaa !5
  %44 = load i64, ptr %43, align 8, !tbaa !13
  %45 = lshr i64 %44, 48
  %46 = load i64, ptr @NIL, align 8, !tbaa !13
  %47 = icmp eq i64 %45, %46
  br i1 %47, label %48, label %50

48:                                               ; preds = %42
  %49 = load double, ptr @nil, align 8, !tbaa !9
  br label %54

50:                                               ; preds = %42
  %51 = load ptr, ptr %3, align 8, !tbaa !5
  %52 = load double, ptr %51, align 8, !tbaa !9
  %53 = call double @car(double noundef %52)
  br label %54

54:                                               ; preds = %50, %48
  %55 = phi double [ %49, %48 ], [ %53, %50 ]
  %56 = call double @ret(i32 noundef 1, double noundef %55)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret double %56
}

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"double", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"long", !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"

@NIL = external dso_local local_unnamed_addr global i64, align 8
@cell = external dso_local local_unnamed_addr global ptr, align 8
@nil = external dso_local local_unnamed_addr global double, align 8

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local double @car(double noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local double @cdr(double noundef) local_unnamed_addr #0

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

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

; Function Attrs: nounwind uwtable
declare dso_local void @var(i32 noundef, ...) local_unnamed_addr #0

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

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

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

; Function Attrs: nounwind uwtable
define dso_local double @f_letreca(ptr nocapture noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = alloca double, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #2
  %4 = load double, ptr @nil, align 8, !tbaa !5
  store double %4, ptr %3, align 8, !tbaa !5
  call void (i32, ...) @var(i32 noundef 1, ptr noundef nonnull %3)
  %5 = load double, ptr %0, align 8, !tbaa !5
  %6 = call i32 @more(double noundef %5)
  %.not13 = icmp eq i32 %6, 0
  br i1 %.not13, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %.lr.ph
  %7 = load double, ptr %0, align 8, !tbaa !5
  %8 = call double @car(double noundef %7)
  %9 = call double @car(double noundef %8)
  %10 = load double, ptr @nil, align 8, !tbaa !5
  %11 = call double @pair(double noundef %9, double noundef %10, ptr noundef %1)
  store double %11, ptr %1, align 8, !tbaa !5
  %12 = load double, ptr %0, align 8, !tbaa !5
  %13 = call double @car(double noundef %12)
  %14 = call double @cdr(double noundef %13)
  store double %14, ptr %3, align 8, !tbaa !5
  %15 = call double @f_begin(ptr noundef nonnull %3, ptr noundef nonnull %1)
  %16 = call double @eval(double noundef %15, ptr noundef nonnull %1)
  %17 = load ptr, ptr @cell, align 8, !tbaa !9
  %18 = load double, ptr %1, align 8, !tbaa !5
  %19 = call double @car(double noundef %18)
  %20 = call i64 @ord(double noundef %19)
  %21 = getelementptr inbounds double, ptr %17, i64 %20
  store double %16, ptr %21, align 8, !tbaa !5
  %22 = load double, ptr %0, align 8, !tbaa !5
  %23 = call double @cdr(double noundef %22)
  store double %23, ptr %0, align 8, !tbaa !5
  %24 = call i32 @more(double noundef %23)
  %.not = icmp eq i32 %24, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %2
  %25 = load i64, ptr %0, align 8
  %26 = lshr i64 %25, 48
  %27 = load i64, ptr @NIL, align 8, !tbaa !13
  %28 = icmp eq i64 %26, %27
  br i1 %28, label %29, label %31

29:                                               ; preds = %._crit_edge
  %30 = load double, ptr @nil, align 8, !tbaa !5
  br label %34

31:                                               ; preds = %._crit_edge
  %32 = bitcast i64 %25 to double
  %33 = call double @car(double noundef %32)
  br label %34

34:                                               ; preds = %31, %29
  %35 = phi double [ %30, %29 ], [ %33, %31 ]
  %36 = call double @ret(i32 noundef 1, double noundef %35)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #2
  ret double %36
}

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"long", !7, i64 0}


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