From 26812320b7bf27fe50e8bf51623a560f0eba449b Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Tue, 25 Aug 2009 17:49:57 +0000 Subject: [PATCH] Teach ScalarEvolution about GlobalAliases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80014 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Analysis/ScalarEvolution.cpp | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp index ca2cdca673c..33d8a18412d 100644 --- a/lib/Analysis/ScalarEvolution.cpp +++ b/lib/Analysis/ScalarEvolution.cpp @@ -63,6 +63,7 @@ #include "llvm/Constants.h" #include "llvm/DerivedTypes.h" #include "llvm/GlobalVariable.h" +#include "llvm/GlobalAlias.h" #include "llvm/Instructions.h" #include "llvm/LLVMContext.h" #include "llvm/Operator.h" @@ -2906,6 +2907,8 @@ const SCEV *ScalarEvolution::createSCEV(Value *V) { return getIntegerSCEV(0, V->getType()); else if (isa(V)) return getIntegerSCEV(0, V->getType()); + else if (GlobalAlias *GA = dyn_cast(V)) + return GA->mayBeOverridden() ? getUnknown(V) : getSCEV(GA->getAliasee()); else return getUnknown(V); -- 2.34.1