From 2e1890e18bf84f2cb62d9e39525d7117bc79446b Mon Sep 17 00:00:00 2001 From: Shuxin Yang Date: Sun, 27 Oct 2013 03:08:44 +0000 Subject: Revert r193251 : Use address-taken to disambiguate global variable and indirect memops. llvm-svn: 193489 --- llvm/lib/Analysis/BasicAliasAnalysis.cpp | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'llvm/lib/Analysis/BasicAliasAnalysis.cpp') diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp index 4e423a7..bf92969 100644 --- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp +++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp @@ -1238,17 +1238,6 @@ BasicAliasAnalysis::aliasCheck(const Value *V1, uint64_t V1Size, return NoAlias; if (isEscapeSource(O2) && isNonEscapingLocalObject(O1)) return NoAlias; - - // If one object is a global variable without address taken, the other one - // is a different object, they will not alias because the global variable - // in question cannot be indirectly accessed. - if (const GlobalVariable *GV = dyn_cast(O1)) - if (!GV->AddressMaybeTaken()) - return NoAlias; - - if (const GlobalVariable *GV = dyn_cast(O2)) - if (!GV->AddressMaybeTaken()) - return NoAlias; } // If the size of one access is larger than the entire object on the other -- cgit v1.1