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author | Hal Finkel <hfinkel@anl.gov> | 2013-12-02 23:52:46 +0000 |
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committer | Hal Finkel <hfinkel@anl.gov> | 2013-12-02 23:52:46 +0000 |
commit | ff40d5e6d4de593f325cac261cf58109cca8239f (patch) | |
tree | 8d7d3eda6e5c0c7c0f13646a3aefd027eefe0ccc /lib | |
parent | 9472fd74030cd8091a100ab54373922de085c14a (diff) | |
download | llvm-ff40d5e6d4de593f325cac261cf58109cca8239f.tar.gz llvm-ff40d5e6d4de593f325cac261cf58109cca8239f.tar.bz2 llvm-ff40d5e6d4de593f325cac261cf58109cca8239f.tar.xz |
Remove PPCScoreboardHazardRecognizer
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
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Target/PowerPC/PPCHazardRecognizers.cpp | 24 | ||||
-rw-r--r-- | lib/Target/PowerPC/PPCHazardRecognizers.h | 15 | ||||
-rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 4 |
3 files changed, 2 insertions, 41 deletions
diff --git a/lib/Target/PowerPC/PPCHazardRecognizers.cpp b/lib/Target/PowerPC/PPCHazardRecognizers.cpp index 0df50e17dd..b2d7ca11a2 100644 --- a/lib/Target/PowerPC/PPCHazardRecognizers.cpp +++ b/lib/Target/PowerPC/PPCHazardRecognizers.cpp @@ -22,30 +22,6 @@ using namespace llvm; //===----------------------------------------------------------------------===// -// PowerPC Scoreboard Hazard Recognizer -void PPCScoreboardHazardRecognizer::EmitInstruction(SUnit *SU) { - const MCInstrDesc *MCID = DAG->getInstrDesc(SU); - if (!MCID) - // This is a PPC pseudo-instruction. - return; - - ScoreboardHazardRecognizer::EmitInstruction(SU); -} - -ScheduleHazardRecognizer::HazardType -PPCScoreboardHazardRecognizer::getHazardType(SUnit *SU, int Stalls) { - return ScoreboardHazardRecognizer::getHazardType(SU, Stalls); -} - -void PPCScoreboardHazardRecognizer::AdvanceCycle() { - ScoreboardHazardRecognizer::AdvanceCycle(); -} - -void PPCScoreboardHazardRecognizer::Reset() { - ScoreboardHazardRecognizer::Reset(); -} - -//===----------------------------------------------------------------------===// // PowerPC 970 Hazard Recognizer // // This models the dispatch group formation of the PPC970 processor. Dispatch diff --git a/lib/Target/PowerPC/PPCHazardRecognizers.h b/lib/Target/PowerPC/PPCHazardRecognizers.h index 84b8e6de45..9ee042b63e 100644 --- a/lib/Target/PowerPC/PPCHazardRecognizers.h +++ b/lib/Target/PowerPC/PPCHazardRecognizers.h @@ -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 diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index 87e13ef9eb..bdeb649d22 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -61,7 +61,7 @@ ScheduleHazardRecognizer *PPCInstrInfo::CreateTargetHazardRecognizer( if (Directive == PPC::DIR_440 || Directive == PPC::DIR_A2 || Directive == PPC::DIR_E500mc || Directive == PPC::DIR_E5500) { const InstrItineraryData *II = TM->getInstrItineraryData(); - return new PPCScoreboardHazardRecognizer(II, DAG); + return new ScoreboardHazardRecognizer(II, DAG); } return TargetInstrInfo::CreateTargetHazardRecognizer(TM, DAG); @@ -82,7 +82,7 @@ ScheduleHazardRecognizer *PPCInstrInfo::CreateTargetPostRAHazardRecognizer( return new PPCHazardRecognizer970(TM); } - return new PPCScoreboardHazardRecognizer(II, DAG); + return new ScoreboardHazardRecognizer(II, DAG); } // Detect 32 -> 64-bit extensions where we may reuse the low sub-register. |