Just a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1908 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Instrumentation/TraceValues.cpp b/lib/Transforms/Instrumentation/TraceValues.cpp
index 6e4fedcfa8583a2a8da2ce9ae88bb9c9cbd603d6..72c454187b3114bbceb9a64569dbf7d4f2b5f222 100644 (file)
--- a/lib/Transforms/Instrumentation/TraceValues.cpp
+++ b/lib/Transforms/Instrumentation/TraceValues.cpp
@@ -87,6 +87,9 @@ bool InsertTraceCode::doInitialization(Module *M) {
 static inline GlobalVariable *getStringRef(Module *M, const string &str) {
   // Create a constant internal string reference...
   Constant *Init = ConstantArray::get(str);
+
+  // Create the global variable and record it in the module
+  // The GV will be renamed to a unique name if needed.
   GlobalVariable *GV = new GlobalVariable(Init->getType(), true, true, Init,
                                           "trstr");
   M->getGlobalList().push_back(GV);