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clang-p2996/llvm/test/CodeGen/X86
Simon Pilgrim 399865cbf0 [X86] combineConcatVectorOps - concat per-lane v2f64/v4f64 shuffles into vXf64 vshufpd (#143017)
We can always concatenate v2f64/v4f64 per-lane shuffles into a single vshufpd instruction, assuming we can profitably concatenate at least one of its operands (or its an unary shuffle).

I was really hoping to get this into combineX86ShufflesRecursively but it still can't handle concatenation/length changing as well as combineConcatVectorOps.
2025-06-06 16:41:40 +01:00
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2025-03-30 16:38:16 -07:00