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Don't bother doing an exhaustive recursive walk if we are at the limit of what

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we need to know anyway.  This reduces the 2002-07-08-HugePerformanceProblem.llx
down to 3.210u:0.010s, which is back in the acceptable range again


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8323 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-09-02 20:06:29 +00:00
parent 11e405061b
commit de73193f3e
1 changed files with 4 additions and 2 deletions
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6
lib/VMCore/Type.cpp
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@ -372,7 +372,7 @@ PointerType::PointerType(const Type *E) : SequentialType(PointerTyID, E) {
}
OpaqueType::OpaqueType() : DerivedType(OpaqueTyID) {
Recursive = false;
setRecursive(false);
setAbstract(true);
#ifdef DEBUG_MERGE_TYPES
std::cerr << "Derived new type: " << getDescription() << "\n";
@ -413,8 +413,10 @@ static void getTypeProps(const Type *Ty, std::vector<const Type *> &TypeStack,
TypeStack.push_back(Ty); // Add us to the stack..
for (Type::subtype_iterator I = Ty->subtype_begin(), E = Ty->subtype_end();
I != E; ++I)
I != E; ++I) {
getTypeProps(*I, TypeStack, isAbstract, isRecursive);
if (isAbstract && isRecursive) break;
}
TypeStack.pop_back(); // Remove self from stack...
}