Author: d0k
Date: Tue Oct 10 00:21:34 2017
New Revision: 315276
URL: http://llvm.org/viewvc/llvm-project?rev=315276&view=rev
Log:
[ASTMatchers] Don't create a copy of a std::set when iterating over it.
This is a bit awkward because lookup returns a copy instead of a
reference. No functionality change intended.
Modified:
cfe/trunk/lib/ASTMatchers/ASTMatchFinder.cpp
Modified: cfe/trunk/lib/ASTMatchers/ASTMatchFinder.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/ASTMatchers/ASTMatchFinder.cpp?rev=315276&r1=315275&r2=315276&view=diff
==============================================================================
--- cfe/trunk/lib/ASTMatchers/ASTMatchFinder.cpp (original)
+++ cfe/trunk/lib/ASTMatchers/ASTMatchFinder.cpp Tue Oct 10 00:21:34 2017
@@ -734,7 +734,10 @@ private:
BoundNodesTreeBuilder *Builder) {
const Type *const CanonicalType =
ActiveASTContext->getCanonicalType(TypeNode);
- for (const TypedefNameDecl *Alias : TypeAliases.lookup(CanonicalType)) {
+ auto Aliases = TypeAliases.find(CanonicalType);
+ if (Aliases == TypeAliases.end())
+ return false;
+ for (const TypedefNameDecl *Alias : Aliases->second) {
BoundNodesTreeBuilder Result(*Builder);
if (Matcher.matches(*Alias, this, &Result)) {
*Builder = std::move(Result);
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