[wasm] Binary 11: AST changes.

test/mjsunit/wasm/indirect-calls.js

 // Copyright 2015 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.
 
 // Flags: --expose-wasm
 
 load("test/mjsunit/wasm/wasm-constants.js");
 load("test/mjsunit/wasm/wasm-module-builder.js");
 
 var module = (function () {
   var builder = new WasmModuleBuilder();
 
   var sig_index = builder.addSignature([kAstI32, kAstI32, kAstI32]);
   builder.addImport("add", sig_index);
   builder.addFunction("add", sig_index)
     .addBody([
-      kExprCallImport, 0, kExprGetLocal, 0, kExprGetLocal, 1
+      kExprGetLocal, 0, kExprGetLocal, 1, kExprCallImport, kArity2, 0
     ]);
   builder.addFunction("sub", sig_index)
     .addBody([
-      kExprI32Sub, kExprGetLocal, 0, kExprGetLocal, 1
+      kExprGetLocal, 0,             // --
+      kExprGetLocal, 1,             // --
+      kExprI32Sub,                  // --
     ]);
   builder.addFunction("main", [kAstI32, kAstI32, kAstI32, kAstI32])
     .addBody([
-      kExprCallIndirect, sig_index,
       kExprGetLocal, 0,
       kExprGetLocal, 1,
-      kExprGetLocal, 2])
+      kExprGetLocal, 2,
+      kExprCallIndirect, kArity2, sig_index
+    ])
     .exportFunc()
   builder.appendToFunctionTable([0, 1, 2]);
 
   return builder.instantiate({add: function(a, b) { return a + b | 0; }});
 })();
 
 // Check the module exists.
 assertFalse(module === undefined);
 assertFalse(module === null);
 assertFalse(module === 0);
 assertEquals("object", typeof module.exports);
 assertEquals("function", typeof module.exports.main);
 
 assertEquals(5, module.exports.main(1, 12, 7));
 assertEquals(19, module.exports.main(0, 12, 7));
 
 assertTraps(kTrapFuncSigMismatch, "module.exports.main(2, 12, 33)");
 assertTraps(kTrapFuncInvalid, "module.exports.main(3, 12, 33)");