[PATCH] Fix remaining issue in PR15355

[Michael Liao]

Ping. - Michael

On Tue, 2013-03-05 at 18:54 -0800, Michael Liao wrote:
> Hi All,
> 
> The attached patch fixes a remaining issue after fixing PR15355. When
> CMOV is not available, the phi node created in advanced needs replacing
> with a new one. One of that Phi node's BB operand creating these
> operands will be changed after lowering CMOV into branches. The attached
> patch fixes them by replacing these phi nodes and adds a workaround for
> machine code verifier.
> 
> BTW, it seems X86 attributes (e.g. -mattr=+cmov) is not properly
> propagated in non-x86 builds, quite weird. I have no way to verify them
> on these builds but could only verify it with '-attr=-cmov' on X86
> build. Please let me immediately if any non-X86 builds still fail with
> this patch.
> 
> Thanks for your review
> - Michael
> 
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