[cfe-commits] r138599 - in /cfe/trunk: lib/CodeGen/CGCall.cpp lib/CodeGen/CGClass.cpp lib/CodeGen/CGDecl.cpp lib/CodeGen/CGDeclCXX.cpp lib/CodeGen/CGExpr.cpp lib/CodeGen/CGExprAgg.cpp lib/CodeGen/CGObjC.cpp lib/CodeGen/CGStmt.cpp lib/CodeGen/CGVa

Eli Friedman eli.friedman at gmail.com
Thu Aug 25 16:08:34 PDT 2011

On Thu, Aug 25, 2011 at 4:04 PM, John McCall <rjmccall at apple.com> wrote:
> Author: rjmccall
> Date: Thu Aug 25 18:04:34 2011
> New Revision: 138599
> URL: http://llvm.org/viewvc/llvm-project?rev=138599&view=rev
> Log:
> Track whether an AggValueSlot is potentially aliased, and do not
> emit call results into potentially aliased slots.  This allows us
> to properly mark indirect return slots as noalias, at the cost
> of requiring an extra memcpy when assigning an aggregate call
> result into a l-value.  It also brings us into compliance with
> the x86-64 ABI.

Does this fix PR10647 ?


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