AuroraMiddleware/v8
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Switch backedge table in scheduler to use ZoneVector.

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R=jarin@chromium.org

Review URL: https://codereview.chromium.org/761733002

Cr-Commit-Position: refs/heads/master@{#25542}
This commit is contained in:
mstarzinger 2014-11-27 03:53:19 -08:00 committed by Commit bot
parent a03943880c
commit 9724ede898
1 changed files with 5 additions and 5 deletions
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10
src/compiler/scheduler.cc
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@ -538,7 +538,7 @@ class SpecialRPONumberer : public ZoneObject {
order_(NULL),
beyond_end_(NULL),
loops_(zone),
backedges_(1, zone),
backedges_(zone),
stack_(zone),
previous_block_count_(0) {}
@ -690,7 +690,7 @@ class SpecialRPONumberer : public ZoneObject {
if (succ->rpo_number() == kBlockVisited1) continue;
if (succ->rpo_number() == kBlockOnStack) {
// The successor is on the stack, so this is a backedge (cycle).
backedges_.Add(Backedge(frame->block, frame->index - 1), zone_);
backedges_.push_back(Backedge(frame->block, frame->index - 1));
if (!HasLoopNumber(succ)) {
// Assign a new loop number to the header if it doesn't have one.
SetLoopNumber(succ, num_loops++);
@ -853,7 +853,7 @@ class SpecialRPONumberer : public ZoneObject {
// Computes loop membership from the backedges of the control flow graph.
void ComputeLoopInfo(ZoneVector<SpecialRPOStackFrame>& queue,
size_t num_loops, ZoneList<Backedge>* backedges) {
size_t num_loops, ZoneVector<Backedge>* backedges) {
// Extend existing loop membership vectors.
for (LoopInfo& loop : loops_) {
BitVector* new_members = new (zone_)
@ -867,7 +867,7 @@ class SpecialRPONumberer : public ZoneObject {
// Compute loop membership starting from backedges.
// O(max(loop_depth) * max(|loop|)
for (int i = 0; i < backedges->length(); i++) {
for (size_t i = 0; i < backedges->size(); i++) {
BasicBlock* member = backedges->at(i).first;
BasicBlock* header = member->SuccessorAt(backedges->at(i).second);
size_t loop_num = GetLoopNumber(header);
@ -1012,7 +1012,7 @@ class SpecialRPONumberer : public ZoneObject {
BasicBlock* order_;
BasicBlock* beyond_end_;
ZoneVector<LoopInfo> loops_;
ZoneList<Backedge> backedges_;
ZoneVector<Backedge> backedges_;
ZoneVector<SpecialRPOStackFrame> stack_;
size_t previous_block_count_;
};