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| author | Andrew Trick <atrick@apple.com> | 2012-06-08 21:52:38 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-06-08 21:52:38 +0000 |
| commit | eb81df7d95b8923ea99c0d4741a5aabf82d1c5ab (patch) | |
| tree | 65afa34e62b9b8f5cb3c7a563fb5d729459befe5 /include/llvm/Target | |
| parent | 841f42617531ff947b2d957e7b0cb367a290aae4 (diff) | |
| download | external_llvm-eb81df7d95b8923ea99c0d4741a5aabf82d1c5ab.zip external_llvm-eb81df7d95b8923ea99c0d4741a5aabf82d1c5ab.tar.gz external_llvm-eb81df7d95b8923ea99c0d4741a5aabf82d1c5ab.tar.bz2 | |
TargetInstrInfo hooks implemented in codegen should be declared pure virtual.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158233 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Target')
| -rw-r--r-- | include/llvm/Target/TargetInstrInfo.h | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h index ab848b0..e2662b9 100644 --- a/include/llvm/Target/TargetInstrInfo.h +++ b/include/llvm/Target/TargetInstrInfo.h @@ -650,7 +650,7 @@ public: /// getNumMicroOps - Return the number of u-operations the given machine /// instruction will be decoded to on the target cpu. virtual unsigned getNumMicroOps(const InstrItineraryData *ItinData, - const MachineInstr *MI) const; + const MachineInstr *MI) const = 0; /// isZeroCost - Return true for pseudo instructions that don't consume any /// machine resources in their current form. These are common cases that the @@ -675,7 +675,7 @@ public: virtual int getOperandLatency(const InstrItineraryData *ItinData, const MachineInstr *DefMI, unsigned DefIdx, const MachineInstr *UseMI, - unsigned UseIdx) const; + unsigned UseIdx) const = 0; /// computeOperandLatency - Compute and return the latency of the given data /// dependent def and use when the operand indices are already known. @@ -714,7 +714,7 @@ public: /// PredCost. virtual unsigned getInstrLatency(const InstrItineraryData *ItinData, const MachineInstr *MI, - unsigned *PredCost = 0) const; + unsigned *PredCost = 0) const = 0; virtual int getInstrLatency(const InstrItineraryData *ItinData, SDNode *Node) const = 0; @@ -744,7 +744,7 @@ public: /// if the target considered it 'low'. virtual bool hasLowDefLatency(const InstrItineraryData *ItinData, - const MachineInstr *DefMI, unsigned DefIdx) const; + const MachineInstr *DefMI, unsigned DefIdx) const = 0; /// verifyInstruction - Perform target specific instruction verification. virtual @@ -901,14 +901,34 @@ public: virtual bool isSchedulingBoundary(const MachineInstr *MI, const MachineBasicBlock *MBB, const MachineFunction &MF) const; - using TargetInstrInfo::getOperandLatency; + virtual int getOperandLatency(const InstrItineraryData *ItinData, SDNode *DefNode, unsigned DefIdx, SDNode *UseNode, unsigned UseIdx) const; - using TargetInstrInfo::getInstrLatency; + virtual int getInstrLatency(const InstrItineraryData *ItinData, SDNode *Node) const; + using TargetInstrInfo::getNumMicroOps; + virtual unsigned getNumMicroOps(const InstrItineraryData *ItinData, + const MachineInstr *MI) const; + + using TargetInstrInfo::getInstrLatency; + virtual unsigned getInstrLatency(const InstrItineraryData *ItinData, + const MachineInstr *MI, + unsigned *PredCost = 0) const; + + using TargetInstrInfo::hasLowDefLatency; + virtual + bool hasLowDefLatency(const InstrItineraryData *ItinData, + const MachineInstr *DefMI, unsigned DefIdx) const; + + using TargetInstrInfo::getOperandLatency; + virtual int getOperandLatency(const InstrItineraryData *ItinData, + const MachineInstr *DefMI, unsigned DefIdx, + const MachineInstr *UseMI, + unsigned UseIdx) const; + bool usePreRAHazardRecognizer() const; virtual ScheduleHazardRecognizer * |