[PATCH] Address Space Casting

[Matt Arsenault]

  I would like this to be in 3.4; there's plenty of time to fix it if any problems that show up before the actual release.


================
Comment at: lib/IR/AutoUpgrade.cpp:458-461
@@ +457,6 @@
+  Type *SrcTy = V->getType();
+  if (SrcTy->isPointerTy() && DestTy->isPointerTy() &&
+      SrcTy->getPointerAddressSpace() != DestTy->getPointerAddressSpace()) {
+    LLVMContext &Context = V->getContext();
+
+    // We have no information about target data layout, so we assume that
----------------
This won't work for vectors of pointers


http://llvm-reviews.chandlerc.com/D1401