Adds comments

diff --git a/lib/CodeGen/CodeGenPrepare.cpp b/lib/CodeGen/CodeGenPrepare.cpp
index 3eaeaa2360c9ab89e434faa9053c887b98f519a7..0191a09f49c4ad0712f14411fbc6e771995aa641 100644 (file)
--- a/lib/CodeGen/CodeGenPrepare.cpp
+++ b/lib/CodeGen/CodeGenPrepare.cpp
@@ -1422,7 +1422,8 @@ bool CodeGenPrepare::runOnFunction(Function &F) {
 
   // XXX-comment: Delay dealing with relaxed loads in this function to avoid
   // further changes done by other passes (e.g., SimplifyCFG).
-  // Collect all the relaxed loads.
+  // Collect all the relaxed loads. Note that loads with release should have
+  // been treated as relaxed loads in earlier passes.
   SmallSet<LoadInst*, 1> MonotonicLoadInsts;
   for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I) {
     if (I->isAtomic()) {