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-rw-r--r--clang/include/clang/Analysis/Analyses/ThreadSafetyCommon.h2
-rw-r--r--clang/lib/Analysis/ThreadSafetyCommon.cpp2
-rw-r--r--clang/test/Sema/warn-thread-safety-analysis.c3
-rw-r--r--clang/test/SemaCXX/warn-thread-safety-analysis.cpp13
4 files changed, 18 insertions, 2 deletions
diff --git a/clang/include/clang/Analysis/Analyses/ThreadSafetyCommon.h b/clang/include/clang/Analysis/Analyses/ThreadSafetyCommon.h
index 9b7725a..d9efe19 100644
--- a/clang/include/clang/Analysis/Analyses/ThreadSafetyCommon.h
+++ b/clang/include/clang/Analysis/Analyses/ThreadSafetyCommon.h
@@ -291,6 +291,8 @@ public:
return nullptr;
if (auto *P = dyn_cast<til::Project>(CapExpr))
return P->clangDecl();
+ if (auto *P = dyn_cast<til::LiteralPtr>(CapExpr))
+ return P->clangDecl();
return nullptr;
}
diff --git a/clang/lib/Analysis/ThreadSafetyCommon.cpp b/clang/lib/Analysis/ThreadSafetyCommon.cpp
index 3c4d6b3..fa82378 100644
--- a/clang/lib/Analysis/ThreadSafetyCommon.cpp
+++ b/clang/lib/Analysis/ThreadSafetyCommon.cpp
@@ -290,7 +290,7 @@ til::SExpr *SExprBuilder::translateDeclRefExpr(const DeclRefExpr *DRE,
VD = FD->getParamDecl(I);
}
- // For non-local variables, treat it as a referenced to a named object.
+ // For non-local variables, treat it as a reference to a named object.
return new (Arena) til::LiteralPtr(VD);
}
diff --git a/clang/test/Sema/warn-thread-safety-analysis.c b/clang/test/Sema/warn-thread-safety-analysis.c
index 55e6e70..a0c4026 100644
--- a/clang/test/Sema/warn-thread-safety-analysis.c
+++ b/clang/test/Sema/warn-thread-safety-analysis.c
@@ -81,7 +81,8 @@ int main() {
mutex_shared_lock(&mu2);
Foo_fun1(1);
- mutex_shared_lock(&mu1); // expected-warning{{acquiring mutex 'mu1' that is already held}}
+ mutex_shared_lock(&mu1); // expected-warning{{acquiring mutex 'mu1' that is already held}} \
+ expected-warning{{mutex 'mu1' must be acquired before 'mu2'}}
mutex_unlock(&mu1);
mutex_unlock(&mu2);
mutex_shared_lock(&mu1);
diff --git a/clang/test/SemaCXX/warn-thread-safety-analysis.cpp b/clang/test/SemaCXX/warn-thread-safety-analysis.cpp
index cdbef70..6daefd7 100644
--- a/clang/test/SemaCXX/warn-thread-safety-analysis.cpp
+++ b/clang/test/SemaCXX/warn-thread-safety-analysis.cpp
@@ -5145,4 +5145,17 @@ void test() {
} // end namespace TestReferenceNoThreadSafetyAnalysis
+namespace GlobalAcquiredBeforeAfterTest {
+
+Mutex mu1;
+Mutex mu2 ACQUIRED_AFTER(mu1);
+
+void test3() {
+ mu2.Lock();
+ mu1.Lock(); // expected-warning {{mutex 'mu1' must be acquired before 'mu2'}}
+ mu1.Unlock();
+ mu2.Unlock();
+}
+
+} // end namespace GlobalAcquiredBeforeAfterTest