src/ia32/lithium-ia32.cc - Issue 6982023: Don't emit code for HContext values with no uses.

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Unified Diff: src/ia32/lithium-ia32.cc

Issue 6982023: Don't emit code for HContext values with no uses. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 9 years, 7 months ago

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Index: src/ia32/lithium-ia32.cc

diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc

index 12a951bffeadbfb4f95a40365a5445b5e049080e..1da7689bf2fd4cb7cb46c7300b59a8c5b2d73a80 100644

--- a/src/ia32/lithium-ia32.cc

+++ b/src/ia32/lithium-ia32.cc

@@ -1201,7 +1201,7 @@ LInstruction* LChunkBuilder::DoPushArgument(HPushArgument* instr) {

LInstruction* LChunkBuilder::DoContext(HContext* instr) {

- return DefineAsRegister(new LContext);

+ return instr->HasNoUses() ? NULL : DefineAsRegister(new LContext);

}

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