Daniel Dunbar b6adc43f6e Avoid generation of dead code in a few more situations. ...

- Emit variable declarations as "simple", we want to avoid forcing the creation
   of a dummy basic block, but still need to make the variable available for
   later use.

 - With that, we can now skip IRgen for other unreachable statements (which
   don't define a label).

 - Anders, I added two fixmes on calls to EmitVLASize, can you check them?

llvm-svn: 76361

2009-07-19 06:58:07 +00:00

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