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Another optimization, speed up the testcase to 2.7s 

llvm-svn: 8333
This commit is contained in:
Chris Lattner 2003-09-02 22:15:15 +00:00
parent 835499277b
commit 39e5095c8e
1 changed files with 10 additions and 4 deletions
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14
llvm/lib/VMCore/Type.cpp
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@ -208,8 +208,8 @@ static std::string getTypeDescription(const Type *Ty,
TypeStack.pop_back(); // Remove self from stack...
// In order to reduce the amount of repeated computation, we cache the computd
// value for later.
// In order to reduce the amount of repeated computation, we cache the
// computed value for later.
if (Ty->isAbstract())
AbstractTypeDescriptions[Ty] = Result;
else
@ -348,6 +348,7 @@ FunctionType::FunctionType(const Type *Result,
for (unsigned i = 0; i < Params.size(); ++i)
ParamTys.push_back(PATypeHandle(Params[i], this));
setAbstract(true);
setDerivedTypeProperties();
}
@ -358,16 +359,19 @@ StructType::StructType(const std::vector<const Type*> &Types)
assert(Types[i] != Type::VoidTy && "Void type in method prototype!!");
ETypes.push_back(PATypeHandle(Types[i], this));
}
setAbstract(true);
setDerivedTypeProperties();
}
ArrayType::ArrayType(const Type *ElType, unsigned NumEl)
: SequentialType(ArrayTyID, ElType) {
NumElements = NumEl;
setAbstract(true);
setDerivedTypeProperties();
}
PointerType::PointerType(const Type *E) : SequentialType(PointerTyID, E) {
setAbstract(true);
setDerivedTypeProperties();
}
@ -408,8 +412,8 @@ bool Type::isTypeAbstract() {
for (Type::subtype_iterator I = subtype_begin(), E = subtype_end();
I != E; ++I)
if (const_cast<Type*>(*I)->isTypeAbstract()) {
setAbstract(true);
return true;
setAbstract(true); // Restore the abstract bit.
return true; // This type is abstract if subtype is abstract!
}
// Restore the abstract bit.
@ -424,6 +428,8 @@ bool Type::isTypeAbstract() {
// setting for a type. The getTypeProps function does all the dirty work.
//
void DerivedType::setDerivedTypeProperties() {
// If the type is currently thought to be abstract, rescan all of our subtypes
// to see if the type has just become concrete!
setAbstract(true);
setAbstract(isTypeAbstract());
}