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Avoid LoopConvertCheck replacements in template instantiations. 

Summary: Prevent LoopConvertCheck from doing replacements in template instantiations, and add a test.

Reviewers: alexfh

Subscribers: klimek, cfe-commits

Differential Revision: http://reviews.llvm.org/D12321

llvm-svn: 245942
This commit is contained in:
Angel Garcia Gomez 2015-08-25 15:44:00 +00:00
parent d3ef1083c3
commit 06d010cae3
2 changed files with 24 additions and 0 deletions
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3
clang-tools-extra/clang-tidy/modernize/LoopConvertCheck.cpp
View File

@ -70,6 +70,7 @@ StatementMatcher makeArrayLoopMatcher() {
expr(hasType(isInteger())).bind(ConditionBoundName);
return forStmt(
unless(isInTemplateInstantiation()),
hasLoopInit(declStmt(hasSingleDecl(InitToZeroMatcher))),
hasCondition(anyOf(
binaryOperator(hasOperatorName("<"),
@ -159,6 +160,7 @@ StatementMatcher makeIteratorLoopMatcher() {
.bind(DerefByRefResultName)))))));
return forStmt(
unless(isInTemplateInstantiation()),
hasLoopInit(anyOf(declStmt(declCountIs(2),
containsDeclaration(0, InitDeclMatcher),
containsDeclaration(1, EndDeclMatcher)),
@ -258,6 +260,7 @@ StatementMatcher makePseudoArrayLoopMatcher() {
EndInitMatcher));
return forStmt(
unless(isInTemplateInstantiation()),
hasLoopInit(
anyOf(declStmt(declCountIs(2),
containsDeclaration(0, InitToZeroMatcher),

21
clang-tools-extra/test/clang-tidy/modernize-loop-convert-extra.cpp
View File

@ -626,3 +626,24 @@ void messing_with_macros() {
}
} // namespace Macros
namespace Templates {
template <class Container>
void set_union(Container &container) {
for (typename Container::const_iterator SI = container.begin(),
SE = container.end(); SI != SE; ++SI) {
}
S s;
for (S::iterator SI = s.begin(), SE = s.end(); SI != SE; ++SI) {
}
// CHECK-MESSAGES: :[[@LINE-2]]:3: warning: use range-based for loop instead
// CHECK-FIXES: for (auto & elem : s) {
}
void template_instantiation() {
S a;
set_union(a);
}
} // namespace Templates