[PATCH] D12006: [X86][SSE] Use the general SMAX/SMIN/UMAX/UMIN pattern matching and remove the X86 implementation

[Simon Pilgrim via llvm-commits]

RKSimon created this revision.
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Follow up to D10947 - D9746 added general SMAX/SMIN/UMAX/UMIN pattern matching to SelectionDAGBuilder::visitSelect.

This patch removes the X86 implementation and improves the AVX1/AVX2 support to correctly lower 256-bit integer vectors.

Repository:
  rL LLVM

http://reviews.llvm.org/D12006

Files:
  lib/Target/X86/X86ISelLowering.cpp

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