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| -rw-r--r-- | include/llvm/Support/CallSite.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/llvm/Support/CallSite.h b/include/llvm/Support/CallSite.h index 6811626ccc..5e3fd3e662 100644 --- a/include/llvm/Support/CallSite.h +++ b/include/llvm/Support/CallSite.h @@ -10,6 +10,12 @@ // This file defines the CallSite class, which is a handy wrapper for code that // wants to treat Call and Invoke instructions in a generic way. // +// NOTE: This class is supposed to have "value semantics". So it should be +// passed by value, not by reference; it should not be "new"ed or "delete"d. It +// is efficiently copyable, assignable and constructable, with cost equivalent +// to copying a pointer. (You will notice that it has only a single data +// member.) +// //===----------------------------------------------------------------------===// #ifndef LLVM_SUPPORT_CALLSITE_H |