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

; 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"

@STRG = external dso_local global i32, align 4
@NIL = external dso_local global i32, align 4
@cell = external dso_local global [10240 x double], align 16
@nil = external dso_local global double, align 8
@.str.11 = external hidden unnamed_addr constant [3 x i8], align 1
@out = external dso_local global ptr, align 8

; 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 @ord(double noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local double @car(double noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local double @cdr(double noundef) #1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
declare dso_local void @print(double noundef) #1

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

6:                                                ; preds = %30, %2
  %7 = load i64, ptr %3, align 8, !tbaa !11
  %8 = lshr i64 %7, 48
  %9 = load i32, ptr @NIL, align 4, !tbaa !13
  %10 = zext i32 %9 to i64
  %11 = icmp ne i64 %8, %10
  br i1 %11, label %12, label %33

12:                                               ; preds = %6
  %13 = load double, ptr %3, align 8, !tbaa !5
  %14 = call double @car(double noundef %13)
  store double %14, ptr %5, align 8, !tbaa !5
  %15 = load i64, ptr %5, align 8, !tbaa !11
  %16 = lshr i64 %15, 48
  %17 = load i32, ptr @STRG, align 4, !tbaa !13
  %18 = zext i32 %17 to i64
  %19 = icmp eq i64 %16, %18
  br i1 %19, label %20, label %27

20:                                               ; preds = %12
  %21 = load ptr, ptr @out, align 8, !tbaa !9
  %22 = load double, ptr %5, align 8, !tbaa !5
  %23 = call i32 @ord(double noundef %22)
  %24 = zext i32 %23 to i64
  %25 = getelementptr inbounds i8, ptr @cell, i64 %24
  %26 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %21, ptr noundef @.str.11, ptr noundef %25) #3
  br label %29

27:                                               ; preds = %12
  %28 = load double, ptr %5, align 8, !tbaa !5
  call void @print(double noundef %28)
  br label %29

29:                                               ; preds = %27, %20
  br label %30

30:                                               ; preds = %29
  %31 = load double, ptr %3, align 8, !tbaa !5
  %32 = call double @cdr(double noundef %31)
  store double %32, ptr %3, align 8, !tbaa !5
  br label %6, !llvm.loop !15

33:                                               ; preds = %6
  %34 = load double, ptr @nil, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret double %34
}

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 "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 }

!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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!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"

@STRG = external dso_local local_unnamed_addr global i32, align 4
@NIL = external dso_local local_unnamed_addr global i32, align 4
@cell = external dso_local global [10240 x double], align 16
@nil = external dso_local local_unnamed_addr global double, align 8
@.str.11 = external hidden unnamed_addr constant [3 x i8], align 1
@out = external dso_local local_unnamed_addr global ptr, align 8

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

; 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: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

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

; Function Attrs: nounwind uwtable
define dso_local double @f_write(double noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 {
  %3 = bitcast double %0 to i64
  %4 = lshr i64 %3, 48
  %5 = load i32, ptr @NIL, align 4, !tbaa !5
  %6 = zext i32 %5 to i64
  %.not5 = icmp eq i64 %4, %6
  br i1 %.not5, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %20
  %.06 = phi double [ %21, %20 ], [ %0, %2 ]
  %7 = tail call double @car(double noundef %.06)
  %8 = bitcast double %7 to i64
  %9 = lshr i64 %8, 48
  %10 = load i32, ptr @STRG, align 4, !tbaa !5
  %11 = zext i32 %10 to i64
  %12 = icmp eq i64 %9, %11
  br i1 %12, label %13, label %19

13:                                               ; preds = %.lr.ph
  %14 = load ptr, ptr @out, align 8, !tbaa !9
  %15 = tail call i32 @ord(double noundef %7)
  %16 = zext i32 %15 to i64
  %17 = getelementptr inbounds i8, ptr @cell, i64 %16
  %18 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef nonnull @.str.11, ptr noundef nonnull %17) #2
  br label %20

19:                                               ; preds = %.lr.ph
  tail call void @print(double noundef %7)
  br label %20

20:                                               ; preds = %13, %19
  %21 = tail call double @cdr(double noundef %.06)
  %22 = bitcast double %21 to i64
  %23 = lshr i64 %22, 48
  %24 = load i32, ptr @NIL, align 4, !tbaa !5
  %25 = zext i32 %24 to i64
  %.not = icmp eq i64 %23, %25
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %20, %2
  %26 = load double, ptr @nil, align 8, !tbaa !13
  ret double %26
}

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 = { nofree 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 = { 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 = !{!"int", !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 = !{!"double", !7, i64 0}


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