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Make type resolution a bit more efficient

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5265 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-01-14 19:42:39 +00:00
parent 408e72df50
commit 6a490cedb5
1 changed files with 6 additions and 6 deletions
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12
lib/VMCore/Type.cpp
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@ -259,13 +259,12 @@ OpaqueType::OpaqueType() : DerivedType(OpaqueTyID) {
//
static string getTypeProps(const Type *Ty, vector<const Type *> &TypeStack,
bool &isAbstract, bool &isRecursive) {
string Result;
if (!Ty->isAbstract() && !Ty->isRecursive() && // Base case for the recursion
Ty->getDescription().size()) {
Result = Ty->getDescription(); // Primitive = leaf type
return Ty->getDescription(); // Primitive = leaf type
} else if (isa<OpaqueType>(Ty)) { // Base case for the recursion
Result = Ty->getDescription(); // Opaque = leaf type
isAbstract = true; // This whole type is abstract!
return Ty->getDescription(); // Opaque = leaf type
} else {
// Check to see if the Type is already on the stack...
unsigned Slot = 0, CurSize = TypeStack.size();
@ -276,9 +275,10 @@ static string getTypeProps(const Type *Ty, vector<const Type *> &TypeStack,
// Generate the appropriate upreference to handle this.
//
if (Slot < CurSize) {
Result = "\\" + utostr(CurSize-Slot); // Here's the upreference
isRecursive = true; // We know we are recursive
return "\\" + utostr(CurSize-Slot); // Here's the upreference
} else { // Recursive case: abstract derived type...
string Result;
TypeStack.push_back(Ty); // Add us to the stack..
switch (Ty->getPrimitiveID()) {
@ -334,9 +334,9 @@ static string getTypeProps(const Type *Ty, vector<const Type *> &TypeStack,
}
TypeStack.pop_back(); // Remove self from stack...
return Result;
}
}
return Result;
}
@ -1043,7 +1043,7 @@ void StructType::refineAbstractType(const DerivedType *OldType,
<< OldType->getDescription() << "], " << (void*)NewType << " ["
<< NewType->getDescription() << "])\n";
#endif
for (unsigned i = 0, e = ETypes.size(); i != e; ++i)
for (int i = ETypes.size()-1; i >= 0; --i)
if (ETypes[i] == OldType) {
ETypes[i].removeUserFromConcrete();