[turbofan] phis cannot take registers as inputs

test/mjsunit/compiler/regress-register-allocator3.js

Index: test/mjsunit/compiler/regress-register-allocator3.js
diff --git a/test/mjsunit/compiler/regress-register-allocator3.js b/test/mjsunit/compiler/regress-register-allocator3.js
new file mode 100644
index 0000000000000000000000000000000000000000..f412c5754c8747b3b1dcea9748b5aa80f4df121f
--- /dev/null
+++ b/test/mjsunit/compiler/regress-register-allocator3.js
@@ -0,0 +1,46 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+
+function Module() {
+  "use asm";
+  function f() {
+   var $0 = 0, $25 = 0, $i$014$i = 0, $sum$013$i = 0, $v_0$01$i = 0, $v_1$02$i = 0, $v_10$011$i = 0, $v_11$012$i = 0, $v_2$03$i = 0, $v_3$04$i = 0, $v_4$05$i = 0, $v_5$06$i = 0, $v_6$07$i = 0, $v_7$08$i = 0, $v_8$09$i = 0, $v_9$010$i = 0;
+   $i$014$i = 0;
+   $sum$013$i = 0;
+   $v_0$01$i = 8;
+   $v_1$02$i = 9;
+   $v_10$011$i = 18;
+   $v_11$012$i = 19;
+   $v_2$03$i = 10;
+   $v_3$04$i = 11;
+   $v_4$05$i = 12;
+   $v_5$06$i = 13;
+   $v_6$07$i = 14;
+   $v_7$08$i = 15;
+   $v_8$09$i = 16;
+   $v_9$010$i = 17;
+   do {
+    $v_0$01$i = $v_3$04$i + $v_9$010$i + $v_0$01$i | 0;
+    $v_1$02$i = $v_4$05$i + $v_10$011$i + $v_1$02$i | 0;
+    $v_2$03$i = $v_5$06$i + $v_11$012$i + $v_2$03$i | 0;
+    $v_3$04$i = $v_3$04$i + $v_6$07$i + $v_0$01$i | 0;
+    $v_4$05$i = $v_4$05$i + $v_7$08$i + $v_1$02$i | 0;
+    $v_5$06$i = $v_5$06$i + $v_8$09$i + $v_2$03$i | 0;
+    $v_6$07$i = $v_6$07$i + $v_9$010$i + $v_3$04$i | 0;
+    $v_7$08$i = $v_7$08$i + $v_10$011$i + $v_4$05$i | 0;
+    $v_8$09$i = $v_8$09$i + $v_11$012$i + $v_5$06$i | 0;
+    $v_9$010$i = $v_0$01$i + $v_9$010$i + $v_6$07$i | 0;
+    $v_10$011$i = $v_1$02$i + $v_10$011$i + $v_7$08$i | 0;
+    $v_11$012$i = $v_2$03$i + $v_11$012$i + $v_8$09$i | 0;
+    $25 = $v_0$01$i + $v_1$02$i | 0;
+    $sum$013$i = $v_2$03$i + $sum$013$i + $v_5$06$i + $v_4$05$i + $v_8$09$i + $v_3$04$i + $25 + $v_7$08$i + $v_11$012$i + $v_6$07$i + $v_10$011$i + $v_9$010$i | 0;
+    $i$014$i = $i$014$i + 1 | 0;
+   } while (($i$014$i | 0) <= 0);
+   return $sum$013$i - ($v_5$06$i + $v_2$03$i + $v_4$05$i + $v_8$09$i + $25 + $v_3$04$i + $v_7$08$i + $v_11$012$i + $v_6$07$i + $v_10$011$i + $v_9$010$i);
+  }
+  return { f: f };
+}
+
+Module().f();