diff options
Diffstat (limited to 'lib/CodeGen/TargetSchedule.cpp')
-rw-r--r-- | lib/CodeGen/TargetSchedule.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/lib/CodeGen/TargetSchedule.cpp b/lib/CodeGen/TargetSchedule.cpp new file mode 100644 index 0000000000..42effb415b --- /dev/null +++ b/lib/CodeGen/TargetSchedule.cpp @@ -0,0 +1,32 @@ +//===-- 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); +} |