Make comments a little bit more clear.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56463 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/LLVMCConfigurationEmitter.cpp b/utils/TableGen/LLVMCConfigurationEmitter.cpp
index 133415b..9bfb5da 100644
--- a/utils/TableGen/LLVMCConfigurationEmitter.cpp
+++ b/utils/TableGen/LLVMCConfigurationEmitter.cpp
@@ -826,8 +826,10 @@
O << "InLangs.count(\"" << OptName << "\") != 0";
return true;
} else if (TestName == "in_language") {
- // TODO: remove this restriction
- // Works only for cmd_line!
+ // This works only for single-argument Tool::GenerateAction. Join
+ // tools can process several files in different languages simultaneously.
+
+ // TODO: make this work with Edge::Weight (if possible).
O << "LangMap.GetLanguage(inFile) == \"" << OptName << '\"';
return true;
} else if (TestName == "not_empty") {