; 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"

@STRG = external dso_local global i64, align 8
@NIL = external dso_local global i64, align 8
@cell = external dso_local global ptr, align 8
@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: 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
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

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

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

; Function Attrs: nounwind uwtable
define dso_local double @f_write(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) #3
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call double @evlis(ptr noundef %7, ptr noundef %8)
  store double %9, ptr %5, align 8, !tbaa !9
  br label %10

10:                                               ; preds = %32, %2
  %11 = load i64, ptr %5, align 8, !tbaa !11
  %12 = lshr i64 %11, 48
  %13 = load i64, ptr @NIL, align 8, !tbaa !11
  %14 = icmp ne i64 %12, %13
  br i1 %14, label %15, label %35

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %16 = load double, ptr %5, align 8, !tbaa !9
  %17 = call double @car(double noundef %16)
  store double %17, ptr %6, align 8, !tbaa !9
  %18 = load i64, ptr %6, align 8, !tbaa !11
  %19 = lshr i64 %18, 48
  %20 = load i64, ptr @STRG, align 8, !tbaa !11
  %21 = icmp eq i64 %19, %20
  br i1 %21, label %22, label %29

22:                                               ; preds = %15
  %23 = load ptr, ptr @out, align 8, !tbaa !5
  %24 = load ptr, ptr @cell, align 8, !tbaa !5
  %25 = load double, ptr %6, align 8, !tbaa !9
  %26 = call i64 @ord(double noundef %25)
  %27 = getelementptr inbounds i8, ptr %24, i64 %26
  %28 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %23, ptr noundef @.str.11, ptr noundef %27) #3
  br label %31

29:                                               ; preds = %15
  %30 = load double, ptr %6, align 8, !tbaa !9
  call void @print(double noundef %30)
  br label %31

31:                                               ; preds = %29, %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %32

32:                                               ; preds = %31
  %33 = load double, ptr %5, align 8, !tbaa !9
  %34 = call double @cdr(double noundef %33)
  store double %34, ptr %5, align 8, !tbaa !9
  br label %10, !llvm.loop !13

35:                                               ; preds = %10
  %36 = load double, ptr @nil, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"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 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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 i64, align 8
@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
@.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 i64 @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 double @evlis(ptr noundef, ptr noundef) local_unnamed_addr #0

; 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(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call double @evlis(ptr noundef %0, ptr noundef %1)
  %4 = bitcast double %3 to i64
  %5 = lshr i64 %4, 48
  %6 = load i64, ptr @NIL, align 8, !tbaa !5
  %.not7 = icmp eq i64 %5, %6
  br i1 %.not7, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %19
  %.08 = phi double [ %20, %19 ], [ %3, %2 ]
  %7 = tail call double @car(double noundef %.08)
  %8 = bitcast double %7 to i64
  %9 = lshr i64 %8, 48
  %10 = load i64, ptr @STRG, align 8, !tbaa !5
  %11 = icmp eq i64 %9, %10
  br i1 %11, label %12, label %18

12:                                               ; preds = %.lr.ph
  %13 = load ptr, ptr @out, align 8, !tbaa !9
  %14 = load ptr, ptr @cell, align 8, !tbaa !9
  %15 = tail call i64 @ord(double noundef %7)
  %16 = getelementptr inbounds i8, ptr %14, i64 %15
  %17 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %13, ptr noundef nonnull @.str.11, ptr noundef %16) #2
  br label %19

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

19:                                               ; preds = %18, %12
  %20 = tail call double @cdr(double noundef %.08)
  %21 = bitcast double %20 to i64
  %22 = lshr i64 %21, 48
  %23 = load i64, ptr @NIL, align 8, !tbaa !5
  %.not = icmp eq i64 %22, %23
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %19, %2
  %24 = load double, ptr @nil, align 8, !tbaa !13
  ret double %24
}

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 = !{!"long", !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,SROAPass,SimplifyCFGPass,TailCallElimPass