diff options
Diffstat (limited to 'deps/v8/src/compiler/scheduler.cc')
| -rw-r--r-- | deps/v8/src/compiler/scheduler.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/deps/v8/src/compiler/scheduler.cc b/deps/v8/src/compiler/scheduler.cc index 80ce8b1711..b04ba6f926 100644 --- a/deps/v8/src/compiler/scheduler.cc +++ b/deps/v8/src/compiler/scheduler.cc @@ -1538,6 +1538,8 @@ class ScheduleLateNodeVisitor { } BasicBlock* GetBlockForUse(Edge edge) { + // TODO(titzer): ignore uses from dead nodes (not visited in PrepareUses()). + // Dead uses only occur if the graph is not trimmed before scheduling. Node* use = edge.from(); if (IrOpcode::IsPhiOpcode(use->opcode())) { // If the use is from a coupled (i.e. floating) phi, compute the common @@ -1545,7 +1547,8 @@ class ScheduleLateNodeVisitor { if (scheduler_->GetPlacement(use) == Scheduler::kCoupled) { TRACE(" inspecting uses of coupled #%d:%s\n", use->id(), use->op()->mnemonic()); - DCHECK_EQ(edge.to(), NodeProperties::GetControlInput(use)); + // TODO(titzer): reenable once above TODO is addressed. + // DCHECK_EQ(edge.to(), NodeProperties::GetControlInput(use)); return GetCommonDominatorOfUses(use); } // If the use is from a fixed (i.e. non-floating) phi, we use the |