Don't define these unless we plan to use them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145289 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Valgrind.cpp b/lib/Support/Valgrind.cpp
index 078d705..2b250a3 100644
--- a/lib/Support/Valgrind.cpp
+++ b/lib/Support/Valgrind.cpp
@@ -53,6 +53,7 @@
#endif // !HAVE_VALGRIND_VALGRIND_H
+#if LLVM_ENABLE_THREADS != 0 && !defined(NDEBUG)
// These functions require no implementation, tsan just looks at the arguments
// they're called with.
extern "C" {
@@ -63,3 +64,4 @@
void AnnotateIgnoreWritesBegin(const char *file, int line) {}
void AnnotateIgnoreWritesEnd(const char *file, int line) {}
}
+#endif