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Remove PPCScoreboardHazardRecognizer

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PPCScoreboardHazardRecognizer was a subclass of ScoreboardHazardRecognizer
which did only one thing: filtered out nodes in EmitInstruction for which
DAG->getInstrDesc(SU) returned NULL. This used to be the case for PPC pseudo
instructions. As far as I can tell, this is no longer true, and so we can use
ScoreboardHazardRecognizer directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196171 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel
2013-12-02 23:52:46 +00:00
parent 9472fd7403
commit ff40d5e6d4
3 changed files with 2 additions and 41 deletions
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15
lib/Target/PowerPC/PPCHazardRecognizers.h
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@@ -21,21 +21,6 @@
namespace llvm {
/// PPCScoreboardHazardRecognizer - This class implements a scoreboard-based
/// hazard recognizer for generic PPC processors.
class PPCScoreboardHazardRecognizer : public ScoreboardHazardRecognizer {
const ScheduleDAG *DAG;
public:
PPCScoreboardHazardRecognizer(const InstrItineraryData *ItinData,
const ScheduleDAG *DAG_) :
ScoreboardHazardRecognizer(ItinData, DAG_), DAG(DAG_) {}
virtual HazardType getHazardType(SUnit *SU, int Stalls);
virtual void EmitInstruction(SUnit *SU);
virtual void AdvanceCycle();
virtual void Reset();
};
/// PPCHazardRecognizer970 - This class defines a finite state automata that
/// models the dispatch logic on the PowerPC 970 (aka G5) processor. This
/// promotes good dispatch group formation and implements noop insertion to