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This patch adds a new intrinsic experimental.vector.reduce that takes a single vector and returns a vector of matching type but with the original lane order reversed. For example: ``` vector.reverse(<A,B,C,D>) ==> <D,C,B,A> ``` The new intrinsic supports fixed and scalable vectors types. The fixed-width vector relies on shufflevector to maintain existing behaviour. Scalable vector uses the new ISD node - VECTOR_REVERSE. This new intrinsic is one of the named shufflevector intrinsics proposed on the mailing-list in the RFC at [1]. Patch by Paul Walker (@paulwalker-arm). [1] https://lists.llvm.org/pipermail/llvm-dev/2020-November/146864.html Differential Revision: https://reviews.llvm.org/D94883 |
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| .. | ||
| GlobalISel | ||
| CGPassBuilderOption.h | ||
| CodeGenCWrappers.h | ||
| GenericOpcodes.td | ||
| Target.td | ||
| TargetCallingConv.td | ||
| TargetInstrPredicate.td | ||
| TargetIntrinsicInfo.h | ||
| TargetItinerary.td | ||
| TargetLoweringObjectFile.h | ||
| TargetMachine.h | ||
| TargetOptions.h | ||
| TargetPfmCounters.td | ||
| TargetSchedule.td | ||
| TargetSelectionDAG.td | ||