TEST=mjsunit/compiler/regress-bit-number-constant
Review URL: https://codereview.chromium.org/
839813002
Cr-Commit-Position: refs/heads/master@{#25979}
if (value == 0 || value == 1) return node;
return jsgraph()->Int32Constant(1); // value != 0
}
+ case IrOpcode::kNumberConstant: {
+ double value = OpParameter<double>(node);
+ if (std::isnan(value) || value == 0.0) {
+ return jsgraph()->Int32Constant(0);
+ }
+ return jsgraph()->Int32Constant(1);
+ }
case IrOpcode::kHeapConstant: {
Handle<Object> handle = OpParameter<Unique<Object> >(node).handle();
DCHECK(*handle == isolate()->heap()->true_value() ||
--- /dev/null
+// 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.
+
+var stdlib = this;
+var buffer = new ArrayBuffer(64 * 1024);
+var foreign = {}
+
+var foo = (function Module(stdlib, foreign, heap) {
+ "use asm";
+ function foo(i) {
+ return !(i ? 1 : false);
+ }
+ return {foo:foo};
+})(stdlib, foreign, buffer).foo;
+
+assertFalse(foo(1));