SmallBitVectorize the deduced parameter set.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149253 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index 5b7e4a7..66d7f1a 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -26,6 +26,7 @@
#include "clang/Sema/ParsedTemplate.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/PartialDiagnostic.h"
+#include "llvm/ADT/SmallBitVector.h"
#include "llvm/ADT/StringExtras.h"
using namespace clang;
using namespace sema;
@@ -5090,17 +5091,13 @@
// partial specialization are deducible from the template
// arguments. If not, this class template partial specialization
// will never be used.
- SmallVector<bool, 8> DeducibleParams;
- DeducibleParams.resize(TemplateParams->size());
+ llvm::SmallBitVector DeducibleParams(TemplateParams->size());
MarkUsedTemplateParameters(Partial->getTemplateArgs(), true,
TemplateParams->getDepth(),
DeducibleParams);
- unsigned NumNonDeducible = 0;
- for (unsigned I = 0, N = DeducibleParams.size(); I != N; ++I)
- if (!DeducibleParams[I])
- ++NumNonDeducible;
- if (NumNonDeducible) {
+ if (!DeducibleParams.all()) {
+ unsigned NumNonDeducible = DeducibleParams.size()-DeducibleParams.count();
Diag(TemplateNameLoc, diag::warn_partial_specs_not_deducible)
<< (NumNonDeducible > 1)
<< SourceRange(TemplateNameLoc, RAngleLoc);