src/hydrogen.cc - Issue 17587008: Refactor Hydrogen environment liveness analysis into an HPhase.

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Unified Diff: src/hydrogen.cc

Issue 17587008: Refactor Hydrogen environment liveness analysis into an HPhase. (Closed) Base URL: git@github.com:v8/v8.git@master

Patch Set: No need to allocate worklist and live bit vectors in zone Created 7 years, 6 months ago

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Index: src/hydrogen.cc

diff --git a/src/hydrogen.cc b/src/hydrogen.cc

index 04debfadde9524bed82687b48142191ea8d538fc..0fe0173428534f77253488f03cd10dea7049f436 100644

--- a/src/hydrogen.cc

+++ b/src/hydrogen.cc

@@ -3962,9 +3962,8 @@ bool HGraph::Optimize(SmartArrayPointer<char>* bailout_reason) {

Verify(true);

#endif

- if (FLAG_analyze_environment_liveness) {

- EnvironmentSlotLivenessAnalyzer esla(this);

- esla.AnalyzeAndTrim();

+ if (FLAG_analyze_environment_liveness && maximum_environment_size() != 0) {

+ Run<HEnvironmentLivenessAnalysisPhase>();

}

PropagateDeoptimizingMark();

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