runtime/vm/intermediate_language.cc - Issue 11505002: Improve redundant load elimination

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Unified Diff: runtime/vm/intermediate_language.cc

Issue 11505002: Improve redundant load elimination (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: address comments Created 8 years 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 3fd0394bfb05cba44683eb24e9c5c63250497c33..74d49d7f5f4a484ab0cd796a2dfb8dde86ab3299 100644

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

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

@@ -867,6 +867,16 @@ void JoinEntryInstr::InsertPhi(intptr_t var_index, intptr_t var_count) {

}

+void JoinEntryInstr::InsertPhi(PhiInstr* phi) {

+ // Lazily initialize the array of phis.

+ if (phis_ == NULL) {

+ phis_ = new ZoneGrowableArray<PhiInstr*>(1);

+ }

+ phis_->Add(phi);

+ phi_count_++;

void JoinEntryInstr::RemoveDeadPhis() {

if (phis_ == NULL) return;