src/compiler/control-builders.cc - Issue 656123005: Implement loop variable assignment analysis.

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Unified Diff: src/compiler/control-builders.cc

Issue 656123005: Implement loop variable assignment analysis. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 6 years, 2 months ago

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Index: src/compiler/control-builders.cc

diff --git a/src/compiler/control-builders.cc b/src/compiler/control-builders.cc

index 3b7d05ba5551137859c0a7d463854c70b1713eaf..28e8b252bbe5a03399a6c48be4fa7aaf8d27ad9a 100644

--- a/src/compiler/control-builders.cc

+++ b/src/compiler/control-builders.cc

@@ -32,9 +32,9 @@ void IfBuilder::End() {

}

-void LoopBuilder::BeginLoop() {

+void LoopBuilder::BeginLoop(BitVector* assigned) {

builder_->NewLoop();

- loop_environment_ = environment()->CopyForLoop();

+ loop_environment_ = environment()->CopyForLoop(assigned);

continue_environment_ = environment()->CopyAsUnreachable();

break_environment_ = environment()->CopyAsUnreachable();

}