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memcpy returns void!!!!!

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llvm-svn: 21574
This commit is contained in:
Reid Spencer 2005-04-26 22:46:23 +00:00
parent ef72727630
commit 270f03e49e
1 changed files with 2 additions and 8 deletions
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10
lib/Transforms/IPO/SimplifyLibCalls.cpp
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@ -205,8 +205,7 @@ namespace {
args.push_back(PointerType::get(Type::SByteTy));
args.push_back(Type::IntTy);
args.push_back(Type::IntTy);
memcpy_type = FunctionType::get(
PointerType::get(Type::SByteTy), args, false);
memcpy_type = FunctionType::get(Type::VoidTy, args, false);
}
return memcpy_type;
}
@ -568,10 +567,7 @@ public:
switch (len)
{
case 0:
// Just replace with the destination parameter since a zero length
// memcpy is a no-op.
ci->replaceAllUsesWith(
new CastInst(dest,PointerType::get(Type::VoidTy),"",ci));
// The memcpy is a no-op so just dump its call.
ci->eraseFromParent();
return true;
case 1:
@ -595,8 +591,6 @@ public:
}
LoadInst* LI = new LoadInst(SrcCast,"",ci);
StoreInst* SI = new StoreInst(LI, DestCast, ci);
ci->replaceAllUsesWith(
new CastInst(dest,PointerType::get(Type::VoidTy),"",ci));
ci->eraseFromParent();
return true;
}