LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) {
+ ASSERT(argument_count_ == 0);
allocator_->MarkAsOsrEntry();
current_block_->last_environment()->set_ast_id(instr->ast_id());
return AssignEnvironment(new(zone()) LOsrEntry);
HEnvironment* env = current_block_->last_environment();
- if (instr->arguments_pushed()) {
+ if (env->entry()->arguments_pushed()) {
int argument_count = env->arguments_environment()->parameter_count();
pop = new(zone()) LDrop(argument_count);
argument_count_ -= argument_count;
class HLeaveInlined: public HTemplateInstruction<0> {
public:
- explicit HLeaveInlined(bool arguments_pushed)
- : arguments_pushed_(arguments_pushed) { }
+ HLeaveInlined() { }
virtual Representation RequiredInputRepresentation(int index) {
return Representation::None();
}
- bool arguments_pushed() {
- return arguments_pushed_;
- }
-
DECLARE_CONCRETE_INSTRUCTION(LeaveInlined)
-
- private:
- bool arguments_pushed_;
};
void HBasicBlock::Goto(HBasicBlock* block, FunctionState* state) {
bool drop_extra = state != NULL &&
state->inlining_kind() == DROP_EXTRA_ON_RETURN;
- bool arguments_pushed = state != NULL && state->arguments_pushed();
if (block->IsInlineReturnTarget()) {
- AddInstruction(new(zone()) HLeaveInlined(arguments_pushed));
+ AddInstruction(new(zone()) HLeaveInlined());
last_environment_ = last_environment()->DiscardInlined(drop_extra);
}
FunctionState* state) {
HBasicBlock* target = state->function_return();
bool drop_extra = state->inlining_kind() == DROP_EXTRA_ON_RETURN;
- bool arguments_pushed = state->arguments_pushed();
ASSERT(target->IsInlineReturnTarget());
ASSERT(return_value != NULL);
- AddInstruction(new(zone()) HLeaveInlined(arguments_pushed));
+ AddInstruction(new(zone()) HLeaveInlined());
last_environment_ = last_environment()->DiscardInlined(drop_extra);
last_environment()->Push(return_value);
AddSimulate(BailoutId::None());
LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) {
+ ASSERT(argument_count_ == 0);
allocator_->MarkAsOsrEntry();
current_block_->last_environment()->set_ast_id(instr->ast_id());
return AssignEnvironment(new(zone()) LOsrEntry);
HEnvironment* env = current_block_->last_environment();
- if (instr->arguments_pushed()) {
+ if (env->entry()->arguments_pushed()) {
int argument_count = env->arguments_environment()->parameter_count();
pop = new(zone()) LDrop(argument_count);
argument_count_ -= argument_count;
LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) {
+ ASSERT(argument_count_ == 0);
allocator_->MarkAsOsrEntry();
current_block_->last_environment()->set_ast_id(instr->ast_id());
return AssignEnvironment(new(zone()) LOsrEntry);
HEnvironment* env = current_block_->last_environment();
- if (instr->arguments_pushed()) {
+ if (env->entry()->arguments_pushed()) {
int argument_count = env->arguments_environment()->parameter_count();
pop = new(zone()) LDrop(argument_count);
argument_count_ -= argument_count;
LInstruction* LChunkBuilder::DoOsrEntry(HOsrEntry* instr) {
+ ASSERT(argument_count_ == 0);
allocator_->MarkAsOsrEntry();
current_block_->last_environment()->set_ast_id(instr->ast_id());
return AssignEnvironment(new(zone()) LOsrEntry);
HEnvironment* env = current_block_->last_environment();
- if (instr->arguments_pushed()) {
+ if (env->entry()->arguments_pushed()) {
int argument_count = env->arguments_environment()->parameter_count();
pop = new(zone()) LDrop(argument_count);
argument_count_ -= argument_count;
--- /dev/null
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax
+
+// Test that we do not generate OSR entry points that have an arguments
+// stack height different from zero. The OSR machinery cannot generate
+// frames for that.
+
+(function() {
+ "use strict";
+
+ var instantReturn = false;
+ function inner() {
+ if (instantReturn) return;
+ assertSame(3, arguments.length);
+ assertSame(1, arguments[0]);
+ assertSame(2, arguments[1]);
+ assertSame(3, arguments[2]);
+ }
+
+ function outer() {
+ inner(1,2,3);
+ // Trigger OSR.
+ while (%GetOptimizationStatus(outer) == 2) {}
+ }
+
+ outer();
+})();