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Make the JIT zero out globals with memset instead of an element at a time. This
should speed it up a bit on a lot of programs git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11472 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -406,6 +406,10 @@ void ExecutionEngine::InitializeMemory(const Constant *Init, void *Addr) {
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GenericValue Val = getConstantValue(Init);
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StoreValueToMemory(Val, (GenericValue*)Addr, Init->getType());
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return;
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} else if (isa<ConstantAggregateZero>(Init)) {
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unsigned Size = getTargetData().getTypeSize(Init->getType());
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memset(Addr, 0, Size);
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return;
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}
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switch (Init->getType()->getPrimitiveID()) {
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