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Summary: This patch enables the following: 1) Regex based Instruction itineraries for integer instructions. 2) The instructions are grouped as per the nature of the instructions (move, arithmetic, logic, Misc, Control Transfer). 3) FP instructions and their itineraries are added which includes values for SSE4A, BMI, BMI2 and SHA instructions. Patch by Ganesh Gopalasubramanian Reviewers: RKSimon, craig.topper Subscribers: vprasad, shivaram, ddibyend, andreadb, javed.absar, llvm-commits Differential Revision: https://reviews.llvm.org/D36617 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312237 91177308-0d34-0410-b5e6-96231b3b80d8
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