From ad4a6862a45258b605ab7a799a5cc15c57f6f807 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Gustavsson?= <bjorn@erlang.org>
Date: Wed, 4 Jan 2012 11:28:31 +0100
Subject: HiPE: Remove support for is_constant/1

---
 lib/hipe/icode/hipe_beam_to_icode.erl     | 4 ----
 lib/hipe/icode/hipe_icode_inline_bifs.erl | 3 +--
 lib/hipe/icode/hipe_icode_type.erl        | 6 +-----
 3 files changed, 2 insertions(+), 11 deletions(-)

(limited to 'lib/hipe/icode')

diff --git a/lib/hipe/icode/hipe_beam_to_icode.erl b/lib/hipe/icode/hipe_beam_to_icode.erl
index 992f387bd5..2d2b414a70 100644
--- a/lib/hipe/icode/hipe_beam_to_icode.erl
+++ b/lib/hipe/icode/hipe_beam_to_icode.erl
@@ -465,10 +465,6 @@ trans_fun([{test,is_nil,{f,Lbl},[Arg]}|Instructions], Env) ->
 trans_fun([{test,is_binary,{f,Lbl},[Arg]}|Instructions], Env) ->
   {Code,Env1} = trans_type_test(binary,Lbl,Arg,Env),
   [Code | trans_fun(Instructions,Env1)];
-%%--- is_constant ---
-trans_fun([{test,is_constant,{f,Lbl},[Arg]}|Instructions], Env) ->
-  {Code,Env1} = trans_type_test(constant,Lbl,Arg,Env),
-  [Code | trans_fun(Instructions,Env1)];
 %%--- is_list ---
 trans_fun([{test,is_list,{f,Lbl},[Arg]}|Instructions], Env) ->
   {Code,Env1} = trans_type_test(list,Lbl,Arg,Env),
diff --git a/lib/hipe/icode/hipe_icode_inline_bifs.erl b/lib/hipe/icode/hipe_icode_inline_bifs.erl
index 27296dcad5..9a2fb7846a 100644
--- a/lib/hipe/icode/hipe_icode_inline_bifs.erl
+++ b/lib/hipe/icode/hipe_icode_inline_bifs.erl
@@ -29,7 +29,7 @@
 
 %% Currently inlined BIFs:
 %% and, or, xor, not, <, >, >=, =<, ==, /=, =/=, =:=
-%% is_atom, is_boolean, is_binary, is_constant, is_float, is_function,
+%% is_atom, is_boolean, is_binary, is_float, is_function,
 %% is_integer, is_list, is_pid, is_port, is_reference, is_tuple
 
 -module(hipe_icode_inline_bifs).
@@ -131,7 +131,6 @@ is_type_test(Name) ->
     is_boolean -> {true, boolean};
     is_function -> {true, function};	       
     is_reference -> {true, reference};
-    is_constant -> {true, constant};
     is_port -> {true, port};
     _ -> false
   end.
diff --git a/lib/hipe/icode/hipe_icode_type.erl b/lib/hipe/icode/hipe_icode_type.erl
index 3f9488d7c3..cae4325b9e 100644
--- a/lib/hipe/icode/hipe_icode_type.erl
+++ b/lib/hipe/icode/hipe_icode_type.erl
@@ -899,9 +899,7 @@ test_type0(list, T) ->
 test_type0(cons, T) ->
   t_is_cons(T);
 test_type0(nil, T) ->
-  t_is_nil(T);
-test_type0(constant, T) ->
-  t_is_constant(T).
+  t_is_nil(T).
 
 
 true_branch_info(integer) ->
@@ -940,8 +938,6 @@ true_branch_info(nil) ->
   t_nil();
 true_branch_info(boolean) ->
   t_boolean();
-true_branch_info(constant) ->
-  t_constant();
 true_branch_info(T) ->
   exit({?MODULE,unknown_typetest,T}).
 
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