[llvm-commits] [llvm] r131437 - /llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp

[Owen Anderson]

Author: resistor
Date: Mon May 16 19:05:49 2011
New Revision: 131437

URL: http://llvm.org/viewvc/llvm-project?rev=131437&view=rev
Log:
@llvm.lifetime.begin acts as a load, not @llvm.lifetime.end.

Modified:
    llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp

Modified: llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp?rev=131437&r1=131436&r2=131437&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp Mon May 16 19:05:49 2011
@@ -497,7 +497,7 @@
       // If we can do a pointer scan, make it happen.
       bool isLoad = !(MR & AliasAnalysis::Mod);
       if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(QueryInst))
-        isLoad |= II->getIntrinsicID() == Intrinsic::lifetime_end;
+        isLoad |= II->getIntrinsicID() == Intrinsic::lifetime_start;
 
       LocalCache = getPointerDependencyFrom(MemLoc, isLoad, ScanPos,
                                             QueryParent);