[LLVMbugs] [Bug 8731] Clang generates load of struct value.

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sat Dec 4 15:35:32 PST 2010


Chris Lattner <clattner at apple.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID

--- Comment #1 from Chris Lattner <clattner at apple.com> 2010-12-04 17:35:32 CST ---
Dan's point is that first class values in general disable fastisel.  However,
there is nothing that we can do about it in this case, as the ABI requires us
to return them.  Using insertvalue instead of load won't help us, it will cause
the same fastisel bail out.  When optimizations are enabled, fast isel isn't
used, so there is no problem at -O.

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