Imported Upstream version 5.18.0.167

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2018-10-20 08:25:10 +00:00
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commit b084638f15
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//=- ARMScheduleM3.td - ARM Cortex-M3 Scheduling Definitions -*- tablegen -*-=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the machine model for the ARM Cortex-M3 processor.
//
//===----------------------------------------------------------------------===//
def CortexM3Model : SchedMachineModel {
let IssueWidth = 1; // Only IT can be dual-issued, so assume single-issue
let MicroOpBufferSize = 0; // In-order
let LoadLatency = 2; // Latency when not pipelined, not pc-relative
let MispredictPenalty = 2; // Best case branch taken cost
let CompleteModel = 0;
}