runtime/vm/intermediate_language.cc - Issue 23574002: Remove LoadFieldInstr with no uses

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Unified Diff: runtime/vm/intermediate_language.cc

Issue 23574002: Remove LoadFieldInstr with no uses (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Created 7 years, 4 months ago

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Index: runtime/vm/intermediate_language.cc

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

index 1a0742f66c2b69216ae21c713804fd307e96fee2..b681cd70f7edf22162f8a9226765859c265c4a7c 100644

--- a/runtime/vm/intermediate_language.cc

+++ b/runtime/vm/intermediate_language.cc

@@ -1354,6 +1354,7 @@ Definition* ConstantInstr::Canonicalize(FlowGraph* flow_graph) {

Definition* LoadFieldInstr::Canonicalize(FlowGraph* flow_graph) {

+ if (!HasUses()) return NULL;

if (!IsImmutableLengthLoad()) return this;

// For fixed length arrays if the array is the result of a known constructor

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