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authorChris Lattner <sabre@nondot.org>2003-09-02 20:06:29 +0000
committerChris Lattner <sabre@nondot.org>2003-09-02 20:06:29 +0000
commitde73193f3e42d7aa80429588b69b8d447beb0c9f (patch)
tree7cfe43fb0846c5ac0cfe922552f857d1b841bd38
parent11e405061bc81daacffb7da7235d4ae8519d338f (diff)
Don't bother doing an exhaustive recursive walk if we are at the limit of what
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
-rw-r--r--lib/VMCore/Type.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index be5c66698b..a776e0f6fc 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -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...
}