diff --git a/basis/compiler/cfg/utilities/utilities.factor b/basis/compiler/cfg/utilities/utilities.factor
index 4b0468b911..2be805bd20 100644
--- a/basis/compiler/cfg/utilities/utilities.factor
+++ b/basis/compiler/cfg/utilities/utilities.factor
@@ -5,21 +5,6 @@ compiler.cfg compiler.cfg.instructions cpu.architecture kernel
 layouts locals make math namespaces sequences sets vectors fry ;
 IN: compiler.cfg.utilities
 
-: value-info-small-fixnum? ( value-info -- ? )
-    literal>> {
-        { [ dup fixnum? ] [ tag-fixnum small-enough? ] }
-        [ drop f ]
-    } cond ;
-
-: value-info-small-tagged? ( value-info -- ? )
-    dup literal?>> [
-        literal>> {
-            { [ dup fixnum? ] [ tag-fixnum small-enough? ] }
-            { [ dup not ] [ drop t ] }
-            [ drop f ]
-        } cond
-    ] [ drop f ] if ;
-
 PREDICATE: kill-block < basic-block
     instructions>> {
         [ length 2 = ]
@@ -59,3 +44,9 @@ SYMBOL: visited
     swap >vector
     \ ##branch new-insn over push
     >>instructions ;
+
+: has-phis? ( bb -- ? )
+    instructions>> first ##phi? ;
+
+: if-has-phis ( bb quot: ( bb -- ) -- )
+    [ dup has-phis? ] dip [ drop ] if ; inline
diff --git a/basis/compiler/tree/propagation/info/info.factor b/basis/compiler/tree/propagation/info/info.factor
index 816368466f..f45fc2e18a 100644
--- a/basis/compiler/tree/propagation/info/info.factor
+++ b/basis/compiler/tree/propagation/info/info.factor
@@ -306,3 +306,18 @@ SYMBOL: value-infos
         dup in-d>> last node-value-info
         literal>> first immutable-tuple-class?
     ] [ drop f ] if ;
+
+: value-info-small-fixnum? ( value-info -- ? )
+    literal>> {
+        { [ dup fixnum? ] [ tag-fixnum small-enough? ] }
+        [ drop f ]
+    } cond ;
+
+: value-info-small-tagged? ( value-info -- ? )
+    dup literal?>> [
+        literal>> {
+            { [ dup fixnum? ] [ tag-fixnum small-enough? ] }
+            { [ dup not ] [ drop t ] }
+            [ drop f ]
+        } cond
+    ] [ drop f ] if ;