Add hardware_concurrency interface to llvm::thread (NFC)

Part of D15390.

llvm-svn: 262677

diff --git a/llvm/include/llvm/Support/thread.h b/llvm/include/llvm/Support/thread.h
index 2d13041..9c45418 100644 (file)
--- a/llvm/include/llvm/Support/thread.h
+++ b/llvm/include/llvm/Support/thread.h
@@ -57,6 +57,7 @@ struct thread {
   thread(const thread &) = delete;
 
   void join() {}
+  static unsigned hardware_concurrency() { return 1; };
 };
 
 }