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I added API for creation a target specific memory node in DAG. Today, all memory nodes are common for all targets and their constructors are located in SelectionDAG.cpp. There are some cases in X86 where we need to create a special node - truncation-with-saturation store, float-to-half-store. In the current patch I added truncation-with-saturation nodes and I'm using them for intrinsics. In the future I plan to implement DAG lowering for truncation-with-saturation pattern. Differential Revision: https://reviews.llvm.org/D27899 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290250 91177308-0d34-0410-b5e6-96231b3b80d8
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