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2012 Nov 01
0
[LLVMdev] : Predication on SIMD architectures and LLVM
On Wed, Oct 31, 2012 at 09:13:43PM +0100, Bjorn De Sutter wrote:
> Hi all,
>
> I am working on a CGRA backend (something like a 2D VLIW), and we also absolutely need predication. I extended the IfConversion pass to allow it to be executed multiple times and to predicate already predicated code. This is necessary to predicate code with nested conditional statements. At this point, we
2012 Oct 31
3
[LLVMdev] : Predication on SIMD architectures and LLVM
Hi all,
I am working on a CGRA backend (something like a 2D VLIW), and we also absolutely need predication. I extended the IfConversion pass to allow it to be executed multiple times and to predicate already predicated code. This is necessary to predicate code with nested conditional statements. At this point, we support or, and, and conditional predicates (see Scott Mahlke's papers on this