[PATCH] R600: Make sure to inline all internal functions

[Tom Stellard]

On Fri, Oct 03, 2014 at 10:52:39AM -0400, Tom Stellard wrote:
> Function calls aren't supported yet.
> ---
>  lib/Target/R600/AMDGPUTargetMachine.cpp | 13 +++++++++++++
>  test/CodeGen/R600/inline-calls.ll       | 17 +++++++++++++++++
>  2 files changed, 30 insertions(+)
>  create mode 100644 test/CodeGen/R600/inline-calls.ll
> 

Here is an updated patch.  In this version, I added a pass
to mark all internal functions as always_inline.  This
is necessary, so that the inliner will inline functions
that call llvm.AMDGPU.barrier.*, which is marked as noduplicate.

I also added support for inlining global functions.

-Tom
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