runtime/vm/flow_graph_compiler_x64.cc - Issue 12529008: Collect type feedback for fields.

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Unified Diff: runtime/vm/flow_graph_compiler_x64.cc

Issue 12529008: Collect type feedback for fields. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: ensure that not-null constraints are recomputed correctly Created 7 years, 9 months ago

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Index: runtime/vm/flow_graph_compiler_x64.cc

diff --git a/runtime/vm/flow_graph_compiler_x64.cc b/runtime/vm/flow_graph_compiler_x64.cc

index 079f3d19d31b2f5cc2750b893c543e4205b306ec..44586327e7f5cdc9002a50e4e149bbaf2e6fe4c6 100644

--- a/runtime/vm/flow_graph_compiler_x64.cc

+++ b/runtime/vm/flow_graph_compiler_x64.cc

@@ -626,6 +626,11 @@ void FlowGraphCompiler::EmitInstructionPrologue(Instruction* instr) {

AddCurrentDescriptor(PcDescriptors::kDeoptBefore,

assert->deopt_id(),

assert->token_pos());

+ } else if (instr->IsGuardField()) {

+ GuardFieldInstr* guard = instr->AsGuardField();

+ AddCurrentDescriptor(PcDescriptors::kDeoptBefore,

+ guard->deopt_id(),

+ Scanner::kDummyTokenIndex);

}

AllocateRegistersLocally(instr);

}