search for: xformvextractwithshuffleintoload

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2012 Aug 01
0
[LLVMdev] X86 isTargetShuffle Question
...ms to be used in pretty important places: static SDValue getShuffleScalarElt(SDNode *N, unsigned Index, SelectionDAG &DAG, unsigned Depth) { [...] // Recurse into target specific vector shuffles to find scalars. if (isTargetShuffle(Opcode)) { [...] } /// XFormVExtractWithShuffleIntoLoad - Check if a vector extract from a target /// specific shuffle of a load can be folded into a single element load. /// Similar handling for VECTOR_SHUFFLE is performed by DAGCombiner, but /// shuffles have been customed lowered so we need to handle those here. static SDValue XFormVExtractWithShuffl...