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Make the JIT zero out globals with memset instead of an element at a time. This

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should speed it up a bit on a lot of programs

llvm-svn: 11472
This commit is contained in:
Chris Lattner 2004-02-15 05:54:06 +00:00
parent cd6a595db5
commit 2679a58a61
1 changed files with 4 additions and 0 deletions
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4
lib/ExecutionEngine/ExecutionEngine.cpp
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@ -406,6 +406,10 @@ void ExecutionEngine::InitializeMemory(const Constant *Init, void *Addr) {
GenericValue Val = getConstantValue(Init);
StoreValueToMemory(Val, (GenericValue*)Addr, Init->getType());
return;
} else if (isa<ConstantAggregateZero>(Init)) {
unsigned Size = getTargetData().getTypeSize(Init->getType());
memset(Addr, 0, Size);
return;
}
switch (Init->getType()->getPrimitiveID()) {