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Summary: This patch adds intrinsics and ISelDAG nodes for signed and unsigned fixed-point division: ``` llvm.sdiv.fix.sat.* llvm.udiv.fix.sat.* ``` These intrinsics perform scaled, saturating division on two integers or vectors of integers. They are required for the implementation of the Embedded-C fixed-point arithmetic in Clang. Reviewers: bjope, leonardchan, craig.topper Subscribers: hiraditya, jdoerfert, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D71550