From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Mon, 19 Apr 2010 16:58:20 +0000 (+0000)
Subject: Add comment explaning the use of c99 inline in c++.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b1af4c810fbf71d70d356c6244b157784e0d1405;p=clang

Add comment explaning the use of c99 inline in c++.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101787 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 9cb27cc101..486c6948d1 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -315,6 +315,10 @@ GetLinkageForFunction(ASTContext &Context, const FunctionDecl *FD,
                                        == TSK_ExplicitInstantiationDeclaration)
     return CodeGenModule::GVA_C99Inline;
 
+  // If this is a virtual method and its class has a key method in another
+  // translation unit, we know that this method will be present in that
+  // translation unit. In this translation unit we will use this method
+  // only for inlining and analysis. This is the semantics of c99 inline.
   if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) {
     const CXXRecordDecl *RD = MD->getParent();
     if (MD->isVirtual() &&