; 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"

@PRIM = external dso_local global i64, align 8
@MACR = external dso_local global i64, align 8
@NIL = external dso_local global i64, 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 double @car(double noundef) #1

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

; Function Attrs: nounwind uwtable
define dso_local double @f_type(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = 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
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = call double @evlis(ptr noundef %6, ptr noundef %7)
  %9 = call double @car(double noundef %8)
  store double %9, ptr %5, align 8, !tbaa !9
  %10 = load i64, ptr %5, align 8, !tbaa !11
  %11 = lshr i64 %10, 48
  %12 = load i64, ptr @NIL, align 8, !tbaa !11
  %13 = icmp eq i64 %11, %12
  br i1 %13, label %14, label %15

14:                                               ; preds = %2
  br label %35

15:                                               ; preds = %2
  %16 = load i64, ptr %5, align 8, !tbaa !11
  %17 = lshr i64 %16, 48
  %18 = load i64, ptr @PRIM, align 8, !tbaa !11
  %19 = icmp uge i64 %17, %18
  br i1 %19, label %20, label %32

20:                                               ; preds = %15
  %21 = load i64, ptr %5, align 8, !tbaa !11
  %22 = lshr i64 %21, 48
  %23 = load i64, ptr @MACR, align 8, !tbaa !11
  %24 = icmp ule i64 %22, %23
  br i1 %24, label %25, label %32

25:                                               ; preds = %20
  %26 = load i64, ptr %5, align 8, !tbaa !11
  %27 = lshr i64 %26, 48
  %28 = load i64, ptr @PRIM, align 8, !tbaa !11
  %29 = sub i64 %27, %28
  %30 = add i64 %29, 1
  %31 = uitofp i64 %30 to double
  br label %33

32:                                               ; preds = %20, %15
  br label %33

33:                                               ; preds = %32, %25
  %34 = phi double [ %31, %25 ], [ 0.000000e+00, %32 ]
  br label %35

35:                                               ; preds = %33, %14
  %36 = phi double [ -1.000000e+00, %14 ], [ %34, %33 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret double %36
}

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 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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"

@PRIM = external dso_local local_unnamed_addr global i64, align 8
@MACR = external dso_local local_unnamed_addr global i64, align 8
@NIL = external dso_local local_unnamed_addr global i64, align 8

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

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

; Function Attrs: nounwind uwtable
define dso_local double @f_type(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call double @evlis(ptr noundef %0, ptr noundef %1)
  %4 = tail call double @car(double noundef %3)
  %5 = bitcast double %4 to i64
  %6 = lshr i64 %5, 48
  %7 = load i64, ptr @NIL, align 8, !tbaa !5
  %8 = icmp eq i64 %6, %7
  br i1 %8, label %16, label %9

9:                                                ; preds = %2
  %10 = load i64, ptr @PRIM, align 8, !tbaa !5
  %.not = icmp ult i64 %6, %10
  %11 = load i64, ptr @MACR, align 8
  %.not6 = icmp ugt i64 %6, %11
  %or.cond = select i1 %.not, i1 true, i1 %.not6
  br i1 %or.cond, label %16, label %12

12:                                               ; preds = %9
  %13 = add nuw nsw i64 %6, 1
  %14 = sub nsw i64 %13, %10
  %15 = uitofp i64 %14 to double
  br label %16

16:                                               ; preds = %12, %9, %2
  %17 = phi double [ -1.000000e+00, %2 ], [ %15, %12 ], [ 0.000000e+00, %9 ]
  ret double %17
}

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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass