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Commit 22ef98dc authored by kmillikin@chromium.org's avatar kmillikin@chromium.org
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Fix a deoptimization bug. 

We reset the count of outgoing arguments, used for the index in the
frame's outgoing arguments, for each level of inlining.  This could
result in the arguments overlapping, rather than stacking on top of
each other.

R=whesse@chromium.org,fschneider@chromium.org
BUG=
TEST=

Review URL: http://codereview.chromium.org/7932022

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9331 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent 403a0222
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Inline Side-by-side
Showing with 39 additions and 21 deletions
src/arm/lithium-arm.cc
View file @ 22ef98dc
......@@ -712,7 +712,9 @@ LInstruction* LChunkBuilder::DefineFixedDouble(
LInstruction* LChunkBuilder::AssignEnvironment(LInstruction* instr) {
HEnvironment* hydrogen_env = current_block_->last_environment();
instr->set_environment(CreateEnvironment(hydrogen_env));
int argument_index_accumulator = 0;
instr->set_environment(CreateEnvironment(hydrogen_env,
&argument_index_accumulator));
return instr;
}
......@@ -995,10 +997,13 @@ void LChunkBuilder::VisitInstruction(HInstruction* current) {
}
LEnvironment* LChunkBuilder::CreateEnvironment(HEnvironment* hydrogen_env) {
LEnvironment* LChunkBuilder::CreateEnvironment(
HEnvironment* hydrogen_env,
int* argument_index_accumulator) {
if (hydrogen_env == NULL) return NULL;
LEnvironment* outer = CreateEnvironment(hydrogen_env->outer());
LEnvironment* outer =
CreateEnvironment(hydrogen_env->outer(), argument_index_accumulator);
int ast_id = hydrogen_env->ast_id();
ASSERT(ast_id != AstNode::kNoNumber);
int value_count = hydrogen_env->length();
......@@ -1008,7 +1013,6 @@ LEnvironment* LChunkBuilder::CreateEnvironment(HEnvironment* hydrogen_env) {
argument_count_,
value_count,
outer);
int argument_index = 0;
for (int i = 0; i < value_count; ++i) {
if (hydrogen_env->is_special_index(i)) continue;
......@@ -1017,7 +1021,7 @@ LEnvironment* LChunkBuilder::CreateEnvironment(HEnvironment* hydrogen_env) {
if (value->IsArgumentsObject()) {
op = NULL;
} else if (value->IsPushArgument()) {
op = new LArgument(argument_index++);
op = new LArgument((*argument_index_accumulator)++);
} else {
op = UseAny(value);
}
......
src/arm/lithium-arm.h
View file @ 22ef98dc
......@@ -2160,7 +2160,8 @@ class LChunkBuilder BASE_EMBEDDED {
LInstruction* instr, int ast_id);
void ClearInstructionPendingDeoptimizationEnvironment();
LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env);
LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env,
int* argument_index_accumulator);
void VisitInstruction(HInstruction* current);
......
src/deoptimizer.cc
View file @ 22ef98dc
......@@ -619,11 +619,13 @@ void Deoptimizer::DoTranslateCommand(TranslationIterator* iterator,
intptr_t input_value = input_->GetRegister(input_reg);
if (FLAG_trace_deopt) {
PrintF(
" 0x%08" V8PRIxPTR ": [top + %d] <- 0x%08" V8PRIxPTR " ; %s\n",
" 0x%08" V8PRIxPTR ": [top + %d] <- 0x%08" V8PRIxPTR " ; %s ",
output_[frame_index]->GetTop() + output_offset,
output_offset,
input_value,
converter.NameOfCPURegister(input_reg));
reinterpret_cast<Object*>(input_value)->ShortPrint();
PrintF("\n");
}
output_[frame_index]->SetFrameSlot(output_offset, input_value);
return;
......@@ -681,10 +683,12 @@ void Deoptimizer::DoTranslateCommand(TranslationIterator* iterator,
if (FLAG_trace_deopt) {
PrintF(" 0x%08" V8PRIxPTR ": ",
output_[frame_index]->GetTop() + output_offset);
PrintF("[top + %d] <- 0x%08" V8PRIxPTR " ; [esp + %d]\n",
PrintF("[top + %d] <- 0x%08" V8PRIxPTR " ; [esp + %d] ",
output_offset,
input_value,
input_offset);
reinterpret_cast<Object*>(input_value)->ShortPrint();
PrintF("\n");
}
output_[frame_index]->SetFrameSlot(output_offset, input_value);
return;
......
src/ia32/lithium-ia32.cc
View file @ 22ef98dc
......@@ -708,7 +708,9 @@ LInstruction* LChunkBuilder::DefineFixedDouble(
LInstruction* LChunkBuilder::AssignEnvironment(LInstruction* instr) {
HEnvironment* hydrogen_env = current_block_->last_environment();
instr->set_environment(CreateEnvironment(hydrogen_env));
int argument_index_accumulator = 0;
instr->set_environment(CreateEnvironment(hydrogen_env,
&argument_index_accumulator));
return instr;
}
......@@ -995,10 +997,13 @@ void LChunkBuilder::VisitInstruction(HInstruction* current) {
}
LEnvironment* LChunkBuilder::CreateEnvironment(HEnvironment* hydrogen_env) {
LEnvironment* LChunkBuilder::CreateEnvironment(
HEnvironment* hydrogen_env,
int* argument_index_accumulator) {
if (hydrogen_env == NULL) return NULL;
LEnvironment* outer = CreateEnvironment(hydrogen_env->outer());
LEnvironment* outer =
CreateEnvironment(hydrogen_env->outer(), argument_index_accumulator);
int ast_id = hydrogen_env->ast_id();
ASSERT(ast_id != AstNode::kNoNumber);
int value_count = hydrogen_env->length();
......@@ -1008,7 +1013,6 @@ LEnvironment* LChunkBuilder::CreateEnvironment(HEnvironment* hydrogen_env) {
argument_count_,
value_count,
outer);
int argument_index = 0;
for (int i = 0; i < value_count; ++i) {
if (hydrogen_env->is_special_index(i)) continue;
......@@ -1017,7 +1021,7 @@ LEnvironment* LChunkBuilder::CreateEnvironment(HEnvironment* hydrogen_env) {
if (value->IsArgumentsObject()) {
op = NULL;
} else if (value->IsPushArgument()) {
op = new LArgument(argument_index++);
op = new LArgument((*argument_index_accumulator)++);
} else {
op = UseAny(value);
}
......
src/ia32/lithium-ia32.h
View file @ 22ef98dc
......@@ -2262,7 +2262,8 @@ class LChunkBuilder BASE_EMBEDDED {
LInstruction* instr, int ast_id);
void ClearInstructionPendingDeoptimizationEnvironment();
LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env);
LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env,
int* argument_index_accumulator);
void VisitInstruction(HInstruction* current);
......
src/objects.cc
View file @ 22ef98dc
......@@ -1036,7 +1036,6 @@ void JSObject::JSObjectShortPrint(StringStream* accumulator) {
global_object ? "Global Object: " : "",
vowel ? "n" : "");
accumulator->Put(str);
accumulator->Put('>');
printed = true;
}
}
......
src/x64/lithium-x64.cc
View file @ 22ef98dc
......@@ -707,7 +707,9 @@ LInstruction* LChunkBuilder::DefineFixedDouble(
LInstruction* LChunkBuilder::AssignEnvironment(LInstruction* instr) {
HEnvironment* hydrogen_env = current_block_->last_environment();
instr->set_environment(CreateEnvironment(hydrogen_env));
int argument_index_accumulator = 0;
instr->set_environment(CreateEnvironment(hydrogen_env,
&argument_index_accumulator));
return instr;
}
......@@ -990,10 +992,13 @@ void LChunkBuilder::VisitInstruction(HInstruction* current) {
}
LEnvironment* LChunkBuilder::CreateEnvironment(HEnvironment* hydrogen_env) {
LEnvironment* LChunkBuilder::CreateEnvironment(
HEnvironment* hydrogen_env,
int* argument_index_accumulator) {
if (hydrogen_env == NULL) return NULL;
LEnvironment* outer = CreateEnvironment(hydrogen_env->outer());
LEnvironment* outer =
CreateEnvironment(hydrogen_env->outer(), argument_index_accumulator);
int ast_id = hydrogen_env->ast_id();
ASSERT(ast_id != AstNode::kNoNumber);
int value_count = hydrogen_env->length();
......@@ -1003,7 +1008,6 @@ LEnvironment* LChunkBuilder::CreateEnvironment(HEnvironment* hydrogen_env) {
argument_count_,
value_count,
outer);
int argument_index = 0;
for (int i = 0; i < value_count; ++i) {
if (hydrogen_env->is_special_index(i)) continue;
......@@ -1012,7 +1016,7 @@ LEnvironment* LChunkBuilder::CreateEnvironment(HEnvironment* hydrogen_env) {
if (value->IsArgumentsObject()) {
op = NULL;
} else if (value->IsPushArgument()) {
op = new LArgument(argument_index++);
op = new LArgument((*argument_index_accumulator)++);
} else {
op = UseAny(value);
}
......
src/x64/lithium-x64.h
View file @ 22ef98dc
......@@ -2148,7 +2148,8 @@ class LChunkBuilder BASE_EMBEDDED {
LInstruction* instr, int ast_id);
void ClearInstructionPendingDeoptimizationEnvironment();
LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env);
LEnvironment* CreateEnvironment(HEnvironment* hydrogen_env,
int* argument_index_accumulator);
void VisitInstruction(HInstruction* current);
......
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