From: Chris Lattner <sabre@nondot.org>
Date: Tue, 27 Jul 2004 02:18:52 +0000 (+0000)
Subject: Make basicaa a bit more aggressive
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=db5b80a7f2521a1f9ca8f339fdac2b6e11cc422a;p=oota-llvm.git

Make basicaa a bit more aggressive


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15252 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index 19397f67da3..5c8dbe16c8b 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -196,6 +196,10 @@ static bool AddressMightEscape(const Value *V) {
         return true;
       if (AddressMightEscape(I)) return true;
       break;
+    case Instruction::Ret:
+      // If returned, the address will escape to calling functions, but no
+      // callees could modify it.
+      break;
     default:
       return true;
     }