runtime/vm/flow_graph_type_propagator.cc - Issue 14872002: Improve load forwarding:

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Unified Diff: runtime/vm/flow_graph_type_propagator.cc

Issue 14872002: Improve load forwarding: (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Created 7 years, 8 months ago

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Index: runtime/vm/flow_graph_type_propagator.cc

diff --git a/runtime/vm/flow_graph_type_propagator.cc b/runtime/vm/flow_graph_type_propagator.cc

index 8453d7eb47b566b4248058f6dd202bef240ed21e..2b5f1a42d6f0945a21d57e47d4a6c003a38334b3 100644

--- a/runtime/vm/flow_graph_type_propagator.cc

+++ b/runtime/vm/flow_graph_type_propagator.cc

@@ -891,7 +891,7 @@ CompileType LoadFieldInstr::ComputeType() const {

return CompileType::FromAbstractType(type());

}

- if (field_ != NULL) {

+ if (field_ != NULL && (field_->guarded_cid() != kIllegalCid)) {

return CompileType::CreateNullable(field_->is_nullable(),

field_->guarded_cid());

}