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

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

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

index 5e2180a1b9cf94139508590b173cf16169e59b52..9183e03dd094fe403a02b4183f861f6f72a0786a 100644

--- a/src/arm/lithium-arm.cc

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

@@ -1189,7 +1189,7 @@ 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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