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1344477 - Part 1: Add JSOP_CALL_IGNORES_RV for function call that ignores return value.

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This commit is contained in:
Gaming4JC 2019-07-14 19:04:34 -04:00 • committed by Roy Tam
commit 417aa02122
22 changed files with 243 additions and 92 deletions
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4
js/src/jit/MIR.cpp
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@ -1970,7 +1970,7 @@ WrappedFunction::WrappedFunction(JSFunction* fun)
MCall*
MCall::New(TempAllocator& alloc, JSFunction* target, size_t maxArgc, size_t numActualArgs,
bool construct, bool isDOMCall)
bool construct, bool ignoresReturnValue, bool isDOMCall)
{
WrappedFunction* wrappedTarget = target ? new(alloc) WrappedFunction(target) : nullptr;
MOZ_ASSERT(maxArgc >= numActualArgs);
@ -1979,7 +1979,7 @@ MCall::New(TempAllocator& alloc, JSFunction* target, size_t maxArgc, size_t numA
MOZ_ASSERT(!construct);
ins = new(alloc) MCallDOMNative(wrappedTarget, numActualArgs);
} else {
ins = new(alloc) MCall(wrappedTarget, numActualArgs, construct);
ins = new(alloc) MCall(wrappedTarget, numActualArgs, construct, ignoresReturnValue);
}
if (!ins->init(alloc, maxArgc + NumNonArgumentOperands))
return nullptr;