From 7f85bb6f83440382ed5154f2a7ba7756acda6160 Mon Sep 17 00:00:00 2001
From: Gabor Greif <ggreif@gmail.com>
Date: Sun, 18 Jan 2009 00:27:21 +0000
Subject: [PATCH] add a comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62436 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/BasicAliasAnalysis.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index aac9e2d95c3..9cefdcf40dc 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -73,6 +73,7 @@ static bool AddressMightEscape(const Value *V) {
     case Instruction::Invoke:
       // If the argument to the call has the nocapture attribute, then the call
       // may store or load to the pointer, but it cannot escape.
+      // Do compensate for the two BB operands, i.e. Arg1 is at index 3!
       if (cast<InvokeInst>(I)->paramHasAttr(UI.getOperandNo()-2,
                                             Attribute::NoCapture))
         continue;
-- 
2.11.0