From 640c3dbfa1a0f7eb908fd8f378f3caa42076a704 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 17 Jan 2018 06:23:57 +0000
Subject: [PATCH] iseq.c: flatten TS_NUM operand conditions

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61883 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 iseq.c | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/iseq.c b/iseq.c
index 20ad68e65e..5c67e1c6c4 100644
--- a/iseq.c
+++ b/iseq.c
@@ -1534,21 +1534,24 @@ rb_insn_operand_intern(const rb_iseq_t *iseq,
 	break;
 
       case TS_NUM:		/* ULONG */
-	{
-	    const char *type_str;
-	    if (insn == BIN(branchiftype) && (type_str = rb_type_str((enum ruby_value_type)op)) != NULL) {
-		ret = rb_str_new_cstr(type_str);
+	if (insn == BIN(defined) && op_no == 0) {
+	    enum defined_type deftype = (enum defined_type)op;
+	    if (deftype == DEFINED_FUNC) {
+		ret = rb_fstring_cstr("func"); break;
 	    }
-	    else if (insn == BIN(defined) && op_no == 0 &&
-		     ((enum defined_type)op == DEFINED_FUNC ? (ret = rb_fstring_cstr("func"), 1) :
-		      (enum defined_type)op == DEFINED_REF ? (ret = rb_fstring_cstr("ref"), 1) :
-		      (ret = rb_iseq_defined_string((enum defined_type)op)) != 0)) {
-		/* ok */
+	    if (deftype == DEFINED_REF) {
+		ret = rb_fstring_cstr("ref"); break;
 	    }
-	    else {
-		ret = rb_sprintf("%"PRIuVALUE, op);
+	    ret = rb_iseq_defined_string((enum defined_type)op);
+	    if (ret) break;
+	}
+	else if (insn == BIN(branchiftype) && op_no == 0) {
+	    const char *type_str = rb_type_str((enum ruby_value_type)op);
+	    if (type_str) {
+		ret = rb_str_new_cstr(type_str); break;
 	    }
 	}
+	ret = rb_sprintf("%"PRIuVALUE, op);
 	break;
 
       case TS_LINDEX:{