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llvm-mirror/include/llvm/Transforms/Vectorize
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David Sherwood 6d7c7dcc2b [SVE] Add support for scalable vectors with vectorize.scalable.enable loop attribute 
In this patch I have added support for a new loop hint called
vectorize.scalable.enable that says whether we should enable scalable
vectorization or not. If a user wants to instruct the compiler to
vectorize a loop with scalable vectors they can now do this as
follows:

  br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !2
  ...
  !2 = !{!2, !3, !4}
  !3 = !{!"llvm.loop.vectorize.width", i32 8}
  !4 = !{!"llvm.loop.vectorize.scalable.enable", i1 true}

Setting the hint to false simply reverts the behaviour back to the
default, using fixed width vectors.

Differential Revision: https://reviews.llvm.org/D88962
2020-12-02 13:23:43 +00:00
..
LoadStoreVectorizer.h
LoopVectorizationLegality.h [SVE] Add support for scalable vectors with vectorize.scalable.enable loop attribute 2020-12-02 13:23:43 +00:00
LoopVectorize.h Revert rG5dd566b7c7b78bd- "PassManager.h - remove unnecessary Function.h/Module.h includes. NFCI." 2020-07-24 13:02:33 +01:00
SLPVectorizer.h SLPVectorizer.h - remove unnecessary AliasAnalysis.h include. NFCI. 2020-09-15 16:24:05 +01:00
VectorCombine.h