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[turbofan] fix block mapping in code comments

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R=bmeurer@chromium.org

BUG=

Review URL: https://codereview.chromium.org/635213003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24616 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
dcarney@chromium.org 2014-10-15 08:23:24 +00:00
parent 93d0e79d6e
commit c8a0ea9e3a
2 changed files with 4 additions and 2 deletions
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3
src/compiler/code-generator.cc
View File

@ -107,8 +107,7 @@ void CodeGenerator::AssembleInstruction(Instruction* instr) {
if (FLAG_code_comments) {
// TODO(titzer): these code comments are a giant memory leak.
Vector<char> buffer = Vector<char>::New(32);
// TODO(dcarney): should not be rpo number there
SNPrintF(buffer, "-- B%d (rpo) start --", current_block_.ToInt());
SNPrintF(buffer, "-- B%d start --", block_start->id().ToInt());
masm()->RecordComment(buffer.start());
}
masm()->bind(block_start->label());

3
src/compiler/instruction.h
View File

@ -598,6 +598,7 @@ class BlockStartInstruction FINAL : public GapInstruction {
public:
Label* label() { return &label_; }
BasicBlock::RpoNumber rpo_number() const { return rpo_number_; }
BasicBlock::Id id() const { return id_; }
static BlockStartInstruction* New(Zone* zone, BasicBlock* block) {
void* buffer = zone->New(sizeof(BlockStartInstruction));
@ -612,8 +613,10 @@ class BlockStartInstruction FINAL : public GapInstruction {
private:
explicit BlockStartInstruction(BasicBlock* block)
: GapInstruction(kBlockStartInstruction),
id_(block->id()),
rpo_number_(block->GetRpoNumber()) {}
BasicBlock::Id id_;
BasicBlock::RpoNumber rpo_number_;
Label label_;
};