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ca162faee2
Summary: When inserting an element that's coming from a vector load or a broadcast of a vector (or scalar) load, combine the load into the insertps instruction. Added PerformINSERTPSCombine for the case where we need to fix the load (load of a vector + insertps with a non-zero CountS). Added patterns for the broadcasts. Also added tests for SSE4.1, AVX, and AVX2. Reviewers: delena, nadav, craig.topper Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D3581 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209156 91177308-0d34-0410-b5e6-96231b3b80d8