vegorov@google.com
baa0347253
Remove SminessPropagator and FlowGraphTypePropagator and all associated infrastructure and fields. Replace multiple fields (result_cid_, propagated_cid_, propagated_type_, reaching_cid_) with a single field of type CompileType which represents an element of type analysis lattice and incorporates information about: value's nullability, concrete class id and abstract super type. This ensures that propagated cid and type are always in sync and complement each other Implement a new FlowGraphPropagator that propagates types over the CompileType-lattice. R=fschneider@google.com Review URL: https://codereview.chromium.org//12260008 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@18456 260f80e4-7a28-3924-810f-c04153c831b5
715 lines
18 KiB
C++
715 lines
18 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/il_printer.h"
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#include "vm/intermediate_language.h"
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#include "vm/os.h"
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#include "vm/parser.h"
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namespace dart {
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DEFINE_FLAG(bool, print_environments, false, "Print SSA environments.");
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void BufferFormatter::Print(const char* format, ...) {
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va_list args;
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va_start(args, format);
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VPrint(format, args);
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va_end(args);
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}
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void BufferFormatter::VPrint(const char* format, va_list args) {
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intptr_t available = size_ - position_;
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if (available <= 0) return;
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intptr_t written =
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OS::VSNPrint(buffer_ + position_, available, format, args);
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if (written >= 0) {
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position_ += (available <= written) ? available : written;
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}
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}
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void FlowGraphPrinter::PrintBlocks() {
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if (!function_.IsNull()) {
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OS::Print("==== %s\n", function_.ToFullyQualifiedCString());
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}
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for (intptr_t i = 0; i < block_order_.length(); ++i) {
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// Print the block entry.
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PrintInstruction(block_order_[i]);
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// And all the successors until an exit, branch, or a block entry.
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Instruction* current = block_order_[i];
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for (ForwardInstructionIterator it(current->AsBlockEntry());
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!it.Done();
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it.Advance()) {
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current = it.Current();
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OS::Print("\n");
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PrintInstruction(current);
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}
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if (current->next() != NULL) {
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ASSERT(current->next()->IsBlockEntry());
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OS::Print(" goto %"Pd"", current->next()->AsBlockEntry()->block_id());
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}
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OS::Print("\n");
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}
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}
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void FlowGraphPrinter::PrintInstruction(Instruction* instr) {
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PrintOneInstruction(instr, print_locations_);
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}
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void FlowGraphPrinter::PrintOneInstruction(Instruction* instr,
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bool print_locations) {
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char str[1000];
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BufferFormatter f(str, sizeof(str));
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instr->PrintTo(&f);
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if (FLAG_print_environments && (instr->env() != NULL)) {
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instr->env()->PrintTo(&f);
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}
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if (print_locations && (instr->locs() != NULL)) {
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instr->locs()->PrintTo(&f);
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}
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if (instr->lifetime_position() != -1) {
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OS::Print("%3"Pd": ", instr->lifetime_position());
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}
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if (!instr->IsBlockEntry()) OS::Print(" ");
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OS::Print("%s", str);
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}
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void FlowGraphPrinter::PrintTypeCheck(const ParsedFunction& parsed_function,
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intptr_t token_pos,
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Value* value,
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const AbstractType& dst_type,
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const String& dst_name,
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bool eliminated) {
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const char* compile_type_name = "unknown";
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if (value != NULL) {
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compile_type_name = value->Type()->ToCString();
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}
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OS::Print("%s type check: compile type %s is %s specific than "
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"type '%s' of '%s'.\n",
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eliminated ? "Eliminated" : "Generated",
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compile_type_name,
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eliminated ? "more" : "not more",
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String::Handle(dst_type.Name()).ToCString(),
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dst_name.ToCString());
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}
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void CompileType::PrintTo(BufferFormatter* f) const {
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f->Print("T{");
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f->Print("%s, ", is_nullable_ ? "null" : "not-null");
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if (cid_ != kIllegalCid) {
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const Class& cls =
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Class::Handle(Isolate::Current()->class_table()->At(cid_));
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f->Print("%s, ", String::Handle(cls.Name()).ToCString());
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} else {
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f->Print("?, ");
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}
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f->Print("%s}", (type_ != NULL) ? String::Handle(type_->Name()).ToCString()
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: "?");
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}
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const char* CompileType::ToCString() const {
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char buffer[1024];
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BufferFormatter f(buffer, sizeof(buffer));
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PrintTo(&f);
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return Isolate::Current()->current_zone()->MakeCopyOfString(buffer);
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}
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static void PrintICData(BufferFormatter* f, const ICData& ic_data) {
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f->Print(" IC[%"Pd": ", ic_data.NumberOfChecks());
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Function& target = Function::Handle();
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for (intptr_t i = 0; i < ic_data.NumberOfChecks(); i++) {
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GrowableArray<intptr_t> class_ids;
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ic_data.GetCheckAt(i, &class_ids, &target);
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const intptr_t count = ic_data.GetCountAt(i);
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if (i > 0) {
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f->Print(" | ");
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}
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for (intptr_t k = 0; k < class_ids.length(); k++) {
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if (k > 0) {
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f->Print(", ");
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}
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const Class& cls =
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Class::Handle(Isolate::Current()->class_table()->At(class_ids[k]));
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f->Print("%s", String::Handle(cls.Name()).ToCString());
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}
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if (count > 0) {
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f->Print(" #%"Pd, count);
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}
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f->Print(" <%p>", static_cast<void*>(target.raw()));
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}
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f->Print("]");
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}
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static void PrintUse(BufferFormatter* f, const Definition& definition) {
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if (definition.is_used()) {
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if (definition.HasSSATemp()) {
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f->Print("v%"Pd, definition.ssa_temp_index());
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} else if (definition.temp_index() != -1) {
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f->Print("t%"Pd, definition.temp_index());
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}
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}
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}
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void Instruction::PrintTo(BufferFormatter* f) const {
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f->Print("%s:%"Pd"(", DebugName(), GetDeoptId());
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PrintOperandsTo(f);
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f->Print(")");
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}
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void Instruction::PrintOperandsTo(BufferFormatter* f) const {
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for (int i = 0; i < InputCount(); ++i) {
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if (i > 0) f->Print(", ");
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if (InputAt(i) != NULL) InputAt(i)->PrintTo(f);
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}
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}
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void Definition::PrintTo(BufferFormatter* f) const {
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PrintUse(f, *this);
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if (is_used()) {
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if (HasSSATemp() || (temp_index() != -1)) f->Print(" <- ");
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}
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f->Print("%s:%"Pd"(", DebugName(), GetDeoptId());
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PrintOperandsTo(f);
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f->Print(")");
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if (range_ != NULL) {
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f->Print(" ");
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range_->PrintTo(f);
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}
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if (type_ != NULL) {
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f->Print(" ");
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type_->PrintTo(f);
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}
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}
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void Definition::PrintOperandsTo(BufferFormatter* f) const {
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for (int i = 0; i < InputCount(); ++i) {
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if (i > 0) f->Print(", ");
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if (InputAt(i) != NULL) InputAt(i)->PrintTo(f);
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}
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}
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void Value::PrintTo(BufferFormatter* f) const {
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PrintUse(f, *definition());
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if ((reaching_type_ != NULL) &&
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(reaching_type_ != definition()->Type())) {
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f->Print(" ");
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reaching_type_->PrintTo(f);
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}
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}
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void ConstantInstr::PrintOperandsTo(BufferFormatter* f) const {
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const char* cstr = value().ToCString();
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const char* new_line = strchr(cstr, '\n');
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if (new_line == NULL) {
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f->Print("#%s", cstr);
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} else {
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const intptr_t pos = new_line - cstr;
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char* buffer = Isolate::Current()->current_zone()->Alloc<char>(pos + 1);
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strncpy(buffer, cstr, pos);
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buffer[pos] = '\0';
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f->Print("#%s\\n...", buffer);
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}
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}
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void ConstraintInstr::PrintOperandsTo(BufferFormatter* f) const {
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value()->PrintTo(f);
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f->Print(" ^ ");
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constraint()->PrintTo(f);
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}
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void Range::PrintTo(BufferFormatter* f) const {
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f->Print("[");
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min_.PrintTo(f);
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f->Print(", ");
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max_.PrintTo(f);
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f->Print("]");
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}
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const char* Range::ToCString(Range* range) {
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if (range == NULL) return "[_|_, _|_]";
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char buffer[256];
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BufferFormatter f(buffer, sizeof(buffer));
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range->PrintTo(&f);
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return Isolate::Current()->current_zone()->MakeCopyOfString(buffer);
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}
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void RangeBoundary::PrintTo(BufferFormatter* f) const {
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switch (kind_) {
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case kSymbol:
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f->Print("v%"Pd, reinterpret_cast<Definition*>(value_)->ssa_temp_index());
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if (offset_ != 0) f->Print("%+"Pd, offset_);
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break;
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case kConstant:
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if (value_ == kMinusInfinity) {
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f->Print("-inf");
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} else if (value_ == kPlusInfinity) {
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f->Print("+inf");
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} else {
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f->Print("%"Pd, value_);
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}
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break;
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case kUnknown:
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f->Print("_|_");
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break;
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}
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}
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const char* RangeBoundary::ToCString() const {
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char buffer[256];
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BufferFormatter f(buffer, sizeof(buffer));
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PrintTo(&f);
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return Isolate::Current()->current_zone()->MakeCopyOfString(buffer);
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}
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void AssertAssignableInstr::PrintOperandsTo(BufferFormatter* f) const {
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value()->PrintTo(f);
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f->Print(", %s, '%s'",
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dst_type().ToCString(),
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dst_name().ToCString());
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f->Print(" instantiator(");
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instantiator()->PrintTo(f);
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f->Print(")");
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f->Print(" instantiator_type_arguments(");
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instantiator_type_arguments()->PrintTo(f);
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f->Print(")");
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}
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void AssertBooleanInstr::PrintOperandsTo(BufferFormatter* f) const {
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value()->PrintTo(f);
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}
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void ArgumentDefinitionTestInstr::PrintOperandsTo(BufferFormatter* f) const {
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saved_arguments_descriptor()->PrintTo(f);
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f->Print(", ?%s @%"Pd"",
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formal_parameter_name().ToCString(),
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formal_parameter_index());
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}
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void ClosureCallInstr::PrintOperandsTo(BufferFormatter* f) const {
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for (intptr_t i = 0; i < ArgumentCount(); ++i) {
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if (i > 0) f->Print(", ");
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ArgumentAt(i)->value()->PrintTo(f);
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}
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}
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void InstanceCallInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s", function_name().ToCString());
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for (intptr_t i = 0; i < ArgumentCount(); ++i) {
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f->Print(", ");
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ArgumentAt(i)->value()->PrintTo(f);
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}
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if (HasICData()) {
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PrintICData(f, *ic_data());
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}
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}
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void PolymorphicInstanceCallInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s", instance_call()->function_name().ToCString());
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for (intptr_t i = 0; i < ArgumentCount(); ++i) {
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f->Print(", ");
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ArgumentAt(i)->value()->PrintTo(f);
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}
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PrintICData(f, ic_data());
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}
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void StrictCompareInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s, ", Token::Str(kind()));
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left()->PrintTo(f);
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f->Print(", ");
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right()->PrintTo(f);
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}
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void EqualityCompareInstr::PrintOperandsTo(BufferFormatter* f) const {
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left()->PrintTo(f);
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f->Print(" %s ", Token::Str(kind()));
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right()->PrintTo(f);
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if (HasICData()) {
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PrintICData(f, *ic_data());
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}
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}
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void StaticCallInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s ", String::Handle(function().name()).ToCString());
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for (intptr_t i = 0; i < ArgumentCount(); ++i) {
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if (i > 0) f->Print(", ");
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ArgumentAt(i)->value()->PrintTo(f);
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}
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}
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void LoadLocalInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s lvl:%"Pd"", local().name().ToCString(), context_level());
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}
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void StoreLocalInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s, ", local().name().ToCString());
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value()->PrintTo(f);
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f->Print(", lvl: %"Pd"", context_level());
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}
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void NativeCallInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s", native_name().ToCString());
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}
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void StoreInstanceFieldInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s {%"Pd"}, ",
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String::Handle(field().name()).ToCString(),
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field().Offset());
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instance()->PrintTo(f);
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f->Print(", ");
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value()->PrintTo(f);
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}
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void LoadStaticFieldInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s", String::Handle(field().name()).ToCString());
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}
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void StoreStaticFieldInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s, ", String::Handle(field().name()).ToCString());
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value()->PrintTo(f);
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}
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void InstanceOfInstr::PrintOperandsTo(BufferFormatter* f) const {
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value()->PrintTo(f);
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f->Print(" %s %s",
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negate_result() ? "ISNOT" : "IS",
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String::Handle(type().Name()).ToCString());
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f->Print(" instantiator(");
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instantiator()->PrintTo(f);
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f->Print(")");
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f->Print(" type-arg(");
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instantiator_type_arguments()->PrintTo(f);
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f->Print(")");
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}
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void RelationalOpInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s, ", Token::Str(kind()));
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left()->PrintTo(f);
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f->Print(", ");
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right()->PrintTo(f);
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if (HasICData()) {
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PrintICData(f, *ic_data());
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}
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}
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void AllocateObjectInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s", Class::Handle(constructor().Owner()).ToCString());
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for (intptr_t i = 0; i < ArgumentCount(); i++) {
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f->Print(", ");
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ArgumentAt(i)->value()->PrintTo(f);
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}
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}
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void AllocateObjectWithBoundsCheckInstr::PrintOperandsTo(
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BufferFormatter* f) const {
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f->Print("%s", Class::Handle(constructor().Owner()).ToCString());
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for (intptr_t i = 0; i < InputCount(); i++) {
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f->Print(", ");
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InputAt(i)->PrintTo(f);
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}
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}
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void CreateArrayInstr::PrintOperandsTo(BufferFormatter* f) const {
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for (int i = 0; i < ArgumentCount(); ++i) {
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if (i != 0) f->Print(", ");
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ArgumentAt(i)->value()->PrintTo(f);
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}
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if (ArgumentCount() > 0) f->Print(", ");
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element_type()->PrintTo(f);
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}
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void CreateClosureInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s", function().ToCString());
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for (intptr_t i = 0; i < ArgumentCount(); ++i) {
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if (i > 0) f->Print(", ");
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ArgumentAt(i)->value()->PrintTo(f);
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}
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}
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void LoadFieldInstr::PrintOperandsTo(BufferFormatter* f) const {
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value()->PrintTo(f);
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f->Print(", %"Pd", immutable=%d", offset_in_bytes(), immutable_);
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}
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void StoreVMFieldInstr::PrintOperandsTo(BufferFormatter* f) const {
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dest()->PrintTo(f);
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f->Print(", %"Pd", ", offset_in_bytes());
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value()->PrintTo(f);
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}
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void InstantiateTypeArgumentsInstr::PrintOperandsTo(BufferFormatter* f) const {
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const String& type_args = String::Handle(type_arguments().Name());
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f->Print("%s, ", type_args.ToCString());
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instantiator()->PrintTo(f);
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}
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void ExtractConstructorTypeArgumentsInstr::PrintOperandsTo(
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BufferFormatter* f) const {
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const String& type_args = String::Handle(type_arguments().Name());
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f->Print("%s, ", type_args.ToCString());
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instantiator()->PrintTo(f);
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}
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void AllocateContextInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%"Pd"", num_context_variables());
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}
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void CatchEntryInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s, %s",
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exception_var().name().ToCString(),
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stacktrace_var().name().ToCString());
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}
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void BinarySmiOpInstr::PrintTo(BufferFormatter* f) const {
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Definition::PrintTo(f);
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f->Print(" %co", overflow_ ? '+' : '-');
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}
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void BinarySmiOpInstr::PrintOperandsTo(BufferFormatter* f) const {
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f->Print("%s, ", Token::Str(op_kind()));
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left()->PrintTo(f);
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f->Print(", ");
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right()->PrintTo(f);
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|
}
|
|
|
|
|
|
void BinaryDoubleOpInstr::PrintOperandsTo(BufferFormatter* f) const {
|
|
f->Print("%s, ", Token::Str(op_kind()));
|
|
left()->PrintTo(f);
|
|
f->Print(", ");
|
|
right()->PrintTo(f);
|
|
}
|
|
|
|
|
|
void BinaryMintOpInstr::PrintOperandsTo(BufferFormatter* f) const {
|
|
f->Print("%s, ", Token::Str(op_kind()));
|
|
left()->PrintTo(f);
|
|
f->Print(", ");
|
|
right()->PrintTo(f);
|
|
}
|
|
|
|
|
|
void ShiftMintOpInstr::PrintOperandsTo(BufferFormatter* f) const {
|
|
f->Print("%s, ", Token::Str(op_kind()));
|
|
left()->PrintTo(f);
|
|
f->Print(", ");
|
|
right()->PrintTo(f);
|
|
}
|
|
|
|
|
|
void UnaryMintOpInstr::PrintOperandsTo(BufferFormatter* f) const {
|
|
f->Print("%s, ", Token::Str(op_kind()));
|
|
value()->PrintTo(f);
|
|
}
|
|
|
|
|
|
void UnarySmiOpInstr::PrintOperandsTo(BufferFormatter* f) const {
|
|
f->Print("%s, ", Token::Str(op_kind()));
|
|
value()->PrintTo(f);
|
|
}
|
|
|
|
|
|
void CheckClassInstr::PrintOperandsTo(BufferFormatter* f) const {
|
|
value()->PrintTo(f);
|
|
PrintICData(f, unary_checks());
|
|
}
|
|
|
|
|
|
void InvokeMathCFunctionInstr::PrintOperandsTo(BufferFormatter* f) const {
|
|
f->Print("%s, ", MethodRecognizer::KindToCString(recognized_kind_));
|
|
Definition::PrintOperandsTo(f);
|
|
}
|
|
|
|
|
|
void GraphEntryInstr::PrintTo(BufferFormatter* f) const {
|
|
const GrowableArray<Definition*>& defns = initial_definitions_;
|
|
f->Print("B%"Pd"[graph]", block_id());
|
|
if (defns.length() > 0) {
|
|
f->Print(" {");
|
|
for (intptr_t i = 0; i < defns.length(); ++i) {
|
|
Definition* def = defns[i];
|
|
f->Print("\n ");
|
|
def->PrintTo(f);
|
|
}
|
|
f->Print("\n}");
|
|
}
|
|
}
|
|
|
|
|
|
void JoinEntryInstr::PrintTo(BufferFormatter* f) const {
|
|
f->Print("B%"Pd"[join] pred(", block_id());
|
|
for (intptr_t i = 0; i < predecessors_.length(); ++i) {
|
|
if (i > 0) f->Print(", ");
|
|
f->Print("B%"Pd, predecessors_[i]->block_id());
|
|
}
|
|
f->Print(")");
|
|
if (phis_ != NULL) {
|
|
f->Print(" {");
|
|
for (intptr_t i = 0; i < phis_->length(); ++i) {
|
|
if ((*phis_)[i] == NULL) continue;
|
|
f->Print("\n ");
|
|
(*phis_)[i]->PrintTo(f);
|
|
}
|
|
f->Print("\n}");
|
|
}
|
|
if (HasParallelMove()) {
|
|
f->Print(" ");
|
|
parallel_move()->PrintTo(f);
|
|
}
|
|
}
|
|
|
|
|
|
void PhiInstr::PrintTo(BufferFormatter* f) const {
|
|
f->Print("v%"Pd" <- phi(", ssa_temp_index());
|
|
for (intptr_t i = 0; i < inputs_.length(); ++i) {
|
|
if (inputs_[i] != NULL) inputs_[i]->PrintTo(f);
|
|
if (i < inputs_.length() - 1) f->Print(", ");
|
|
}
|
|
f->Print(")");
|
|
if (is_alive()) {
|
|
f->Print(" alive");
|
|
} else {
|
|
f->Print(" dead");
|
|
}
|
|
if (range_ != NULL) {
|
|
f->Print(" ");
|
|
range_->PrintTo(f);
|
|
}
|
|
if (type_ != NULL) {
|
|
f->Print(" ");
|
|
type_->PrintTo(f);
|
|
}
|
|
}
|
|
|
|
|
|
void ParameterInstr::PrintOperandsTo(BufferFormatter* f) const {
|
|
f->Print("%"Pd, index());
|
|
}
|
|
|
|
|
|
void TargetEntryInstr::PrintTo(BufferFormatter* f) const {
|
|
f->Print("B%"Pd"[target", block_id());
|
|
if (IsCatchEntry()) {
|
|
f->Print(" catch %"Pd"]", catch_try_index());
|
|
} else {
|
|
f->Print("]");
|
|
}
|
|
if (HasParallelMove()) {
|
|
f->Print(" ");
|
|
parallel_move()->PrintTo(f);
|
|
}
|
|
}
|
|
|
|
|
|
void PushArgumentInstr::PrintOperandsTo(BufferFormatter* f) const {
|
|
value()->PrintTo(f);
|
|
}
|
|
|
|
|
|
void GotoInstr::PrintTo(BufferFormatter* f) const {
|
|
if (HasParallelMove()) {
|
|
parallel_move()->PrintTo(f);
|
|
f->Print(" ");
|
|
}
|
|
f->Print("goto:%"Pd" %"Pd"", GetDeoptId(), successor()->block_id());
|
|
}
|
|
|
|
|
|
void BranchInstr::PrintTo(BufferFormatter* f) const {
|
|
f->Print("%s ", DebugName());
|
|
f->Print("if ");
|
|
comparison()->PrintTo(f);
|
|
|
|
f->Print(" goto (%"Pd", %"Pd")",
|
|
true_successor()->block_id(),
|
|
false_successor()->block_id());
|
|
}
|
|
|
|
|
|
void ParallelMoveInstr::PrintTo(BufferFormatter* f) const {
|
|
f->Print("%s ", DebugName());
|
|
for (intptr_t i = 0; i < moves_.length(); i++) {
|
|
if (i != 0) f->Print(", ");
|
|
moves_[i]->dest().PrintTo(f);
|
|
f->Print(" <- ");
|
|
moves_[i]->src().PrintTo(f);
|
|
}
|
|
}
|
|
|
|
|
|
void Environment::PrintTo(BufferFormatter* f) const {
|
|
f->Print(" env={ ");
|
|
int arg_count = 0;
|
|
for (intptr_t i = 0; i < values_.length(); ++i) {
|
|
if (i > 0) f->Print(", ");
|
|
if (values_[i]->definition()->IsPushArgument()) {
|
|
f->Print("a%d", arg_count++);
|
|
} else {
|
|
values_[i]->PrintTo(f);
|
|
}
|
|
if ((locations_ != NULL) && !locations_[i].IsInvalid()) {
|
|
f->Print(" [");
|
|
locations_[i].PrintTo(f);
|
|
f->Print("]");
|
|
}
|
|
}
|
|
f->Print(" }");
|
|
if (outer_ != NULL) outer_->PrintTo(f);
|
|
}
|
|
|
|
} // namespace dart
|