[llvm] r338848 - [NFC] Add missing comment

[Max Kazantsev via llvm-commits]

Author: mkazantsev
Date: Fri Aug  3 03:41:51 2018
New Revision: 338848

URL: http://llvm.org/viewvc/llvm-project?rev=338848&view=rev
Log:
[NFC] Add missing comment

Modified:
    llvm/trunk/lib/Transforms/Scalar/GuardWidening.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/GuardWidening.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/GuardWidening.cpp?rev=338848&r1=338847&r2=338848&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/GuardWidening.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/GuardWidening.cpp Fri Aug  3 03:41:51 2018
@@ -66,6 +66,7 @@ STATISTIC(GuardsEliminated, "Number of e
 
 namespace {
 
+// Get the condition of \p GuardInst.
 static Value *getGuardCondition(Instruction *GuardInst) {
   IntrinsicInst *GI = cast<IntrinsicInst>(GuardInst);
   assert(GI->getIntrinsicID() == Intrinsic::experimental_guard &&