commit ef1cfac9e50def9097cd3e3ab3c5cad7f4c758cc
author Dan Gohman <gohman@apple.com> Tue Aug 03 01:03:11 2010 +0000
committer Dan Gohman <gohman@apple.com> Tue Aug 03 01:03:11 2010 +0000
tree a325ebdd4287c7436ad9a41faddda9f65d411b91
parent 847a84efd23a2c7d90429b82f6e0f19d1f913d9a

Introduce a symbolic constant for ~0u for use with AliasAnalysis.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110091 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/ScalarEvolutionAliasAnalysis.cpp

diff --git a/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp b/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp
index b3d90cb..91ae989 100644
--- a/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp
+++ b/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp
@@ -155,8 +155,8 @@
   Value *AO = GetBaseValue(AS);
   Value *BO = GetBaseValue(BS);
   if ((AO && AO != A) || (BO && BO != B))
-    if (alias(AO ? AO : A, AO ? ~0u : ASize,
-              BO ? BO : B, BO ? ~0u : BSize) == NoAlias)
+    if (alias(AO ? AO : A, AO ? UnknownSize : ASize,
+              BO ? BO : B, BO ? UnknownSize : BSize) == NoAlias)
       return NoAlias;
 
   // Forward the query to the next analysis.