Displaying 2 results from an estimated 2 matches for "splatinsert12".
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splatinsert1
2020 May 04
3
LV: predication
...llowing IR
vector.body: ; preds = %vector.body, %for.body.preheader.new
%index = phi i64 [ 0, %for.body.preheader.new ], [ %index.next.1, %vector.body ]
%niter = phi i64 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.1, %vector.body ]
%broadcast.splatinsert12 = insertelement <16 x i64> undef, i64 %index, i32 0
%broadcast.splat13 = shufflevector <16 x i64> %broadcast.splatinsert12, <16 x i64> undef, <16 x i32> zeroinitializer
%induction = or <16 x i64> %broadcast.splat13, <i64 0, i64 1, i64 2, i64 3, i64 4, i64 5, i64...
2020 May 04
3
LV: predication
> The harm comes if the intrinsic ends up with the wrong value, or attached to the wrong loop.
The intrinsic is marked as IntrNoDuplicate, so I wasn't worried about it ending up somewhere else. Also, it is a property of a specific loop, a tail-folded vector loop, that holds even after it is transformed I think. I.e. unrolling a vector loop is probably not what you want, but even if you do