[PATCH] Teach ConstantFolding about address space pointer sizes

[Matt Arsenault]

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Comment at: lib/Analysis/ConstantFolding.cpp:1000
@@ -991,1 +999,3 @@
+      }
+    }
 
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Eli Friedman wrote:
> Isn't this missing some sort of address-space check?  You're building a bitcast between two pointer types.
This checks the sizes, and for now when this folds into a bitcast that will be allowed. The variables here are misnamed, the "DestPtrSize" is really the middle int size for the ptrtoint / inttoptr pair. I'll fix that

Actually there is a case that doesn't work here.


http://llvm-reviews.chandlerc.com/D1199