From ece02cd5829cea836e9365b0845a8ef042d17b0a Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Sun, 12 Jun 2011 15:42:51 +0000
Subject: Vendor import of llvm trunk r132879:
http://llvm.org/svn/llvm-project/llvm/trunk@132879
---
lib/Analysis/LazyValueInfo.cpp | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
(limited to 'lib/Analysis/LazyValueInfo.cpp')
diff --git a/lib/Analysis/LazyValueInfo.cpp b/lib/Analysis/LazyValueInfo.cpp
index d5f0b5c..6e27597 100644
--- a/lib/Analysis/LazyValueInfo.cpp
+++ b/lib/Analysis/LazyValueInfo.cpp
@@ -589,16 +589,18 @@ static bool InstructionDereferencesPointer(Instruction *I, Value *Ptr) {
}
if (MemIntrinsic *MI = dyn_cast<MemIntrinsic>(I)) {
if (MI->isVolatile()) return false;
- if (MI->getAddressSpace() != 0) return false;
// FIXME: check whether it has a valuerange that excludes zero?
ConstantInt *Len = dyn_cast<ConstantInt>(MI->getLength());
if (!Len || Len->isZero()) return false;
- if (MI->getRawDest() == Ptr || MI->getDest() == Ptr)
- return true;
+ if (MI->getDestAddressSpace() == 0)
+ if (MI->getRawDest() == Ptr || MI->getDest() == Ptr)
+ return true;
if (MemTransferInst *MTI = dyn_cast<MemTransferInst>(MI))
- return MTI->getRawSource() == Ptr || MTI->getSource() == Ptr;
+ if (MTI->getSourceAddressSpace() == 0)
+ if (MTI->getRawSource() == Ptr || MTI->getSource() == Ptr)
+ return true;
}
return false;
}
--
cgit v1.1