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misched preparation: modularize schedule emission.

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ScheduleDAG has nothing to do with how the instructions are scheduled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152206 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2012-03-07 05:21:44 +00:00
parent 73ba69b684
commit 84b454d1a2
7 changed files with 87 additions and 119 deletions
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11
include/llvm/CodeGen/ScheduleDAG.h
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@@ -522,11 +522,6 @@ namespace llvm {
void viewGraph(const Twine &Name, const Twine &Title);
void viewGraph();
/// EmitSchedule - Insert MachineInstrs into the MachineBasicBlock
/// according to the order specified in Sequence.
///
virtual MachineBasicBlock *EmitSchedule() = 0;
virtual void dumpNode(const SUnit *SU) const = 0;
/// getGraphNodeLabel - Return a label for an SUnit node in a visualization
@@ -571,12 +566,6 @@ namespace llvm {
/// override this as needed.
virtual bool ForceUnitLatencies() const { return false; }
/// EmitNoop - Emit a noop instruction.
///
void EmitNoop();
void EmitPhysRegCopy(SUnit *SU, DenseMap<SUnit*, unsigned> &VRBaseMap);
private:
// Return the MCInstrDesc of this SDNode or NULL.
const MCInstrDesc *getNodeDesc(const SDNode *Node) const;