runtime/vm/flow_graph_allocator.cc - Issue 556453006: Fix register hinting for phis.

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Unified Diff: runtime/vm/flow_graph_allocator.cc

Issue 556453006: Fix register hinting for phis. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Created 6 years, 3 months ago

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Index: runtime/vm/flow_graph_allocator.cc

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

index 880f2e5ad36f2eff5823b56a21c23ff173a81a72..7dfecff08f05ae37ca5e8a514f5f0bf90f062d92 100644

--- a/runtime/vm/flow_graph_allocator.cc

+++ b/runtime/vm/flow_graph_allocator.cc

@@ -753,7 +753,10 @@ Instruction* FlowGraphAllocator::ConnectOutgoingPhiMoves(

if (interfere_at_backedge != NULL) interfere_at_backedge->Add(vreg);

range->AddUseInterval(block->start_pos(), pos);

- range->AddHintedUse(pos, move->src_slot(), move->dest_slot());

+ range->AddHintedUse(

+ pos,

+ move->src_slot(),

+ GetLiveRange(phi->ssa_temp_index())->assigned_location_slot());

move->set_src(Location::PrefersRegister());

move_idx++;

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