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-rw-r--r--lib/CodeGen/TargetSchedule.cpp32
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/CodeGen/TargetSchedule.cpp b/lib/CodeGen/TargetSchedule.cpp
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+++ b/lib/CodeGen/TargetSchedule.cpp
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+//===-- llvm/Target/TargetSchedule.cpp - Sched Machine Model ----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements a wrapper around MCSchedModel that allows the interface
+// to benefit from information currently only available in TargetInstrInfo.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/TargetSchedule.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
+#include "llvm/Support/CommandLine.h"
+
+using namespace llvm;
+
+static cl::opt<bool> EnableSchedModel("schedmodel", cl::Hidden, cl::init(false),
+ cl::desc("Use TargetSchedModel for latency lookup"));
+
+void TargetSchedModel::init(const MCSchedModel &sm,
+ const TargetSubtargetInfo *sti,
+ const TargetInstrInfo *tii) {
+ SchedModel = sm;
+ STI = sti;
+ TII = tii;
+ STI->initInstrItins(InstrItins);
+}