[PATCH] D16652: [X86][SSE] Find source of the inserted element of INSERTPS

[Simon Pilgrim via llvm-commits]

RKSimon created this revision.
RKSimon added reviewers: delena, andreadb, spatel.
RKSimon added a subscriber: llvm-commits.
RKSimon set the repository for this revision to rL LLVM.

Minor patch to trace back through target shuffles to the source of the inserted element in a (V)INSERTPS shuffle.

Follow up to D16072.

Repository:
  rL LLVM

http://reviews.llvm.org/D16652

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/sse41.ll

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