#include "llvm/Support/Debug.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
using namespace llvm;
#define DEBUG_TYPE "peephole-opt"
private:
bool optimizeCmpInstr(MachineInstr *MI, MachineBasicBlock *MBB);
bool optimizeExtInstr(MachineInstr *MI, MachineBasicBlock *MBB,
- SmallPtrSet<MachineInstr*, 8> &LocalMIs);
+ SmallPtrSetImpl<MachineInstr*> &LocalMIs);
bool optimizeSelect(MachineInstr *MI);
bool optimizeCopyOrBitcast(MachineInstr *MI);
bool isMoveImmediate(MachineInstr *MI,
/// debug uses.
bool PeepholeOptimizer::
optimizeExtInstr(MachineInstr *MI, MachineBasicBlock *MBB,
- SmallPtrSet<MachineInstr*, 8> &LocalMIs) {
+ SmallPtrSetImpl<MachineInstr*> &LocalMIs) {
unsigned SrcReg, DstReg, SubIdx;
if (!TII->isCoalescableExtInstr(*MI, SrcReg, DstReg, SubIdx))
return false;
// Ensure DstReg can get a register class that actually supports
// sub-registers. Don't change the class until we commit.
const TargetRegisterClass *DstRC = MRI->getRegClass(DstReg);
- DstRC = TM->getRegisterInfo()->getSubClassWithSubReg(DstRC, SubIdx);
+ DstRC = TM->getSubtargetImpl()->getRegisterInfo()->getSubClassWithSubReg(
+ DstRC, SubIdx);
if (!DstRC)
return false;
// register.
// If UseSrcSubIdx is Set, SubIdx also applies to SrcReg, and only uses of
// SrcReg:SubIdx should be replaced.
- bool UseSrcSubIdx = TM->getRegisterInfo()->
- getSubClassWithSubReg(MRI->getRegClass(SrcReg), SubIdx) != nullptr;
+ bool UseSrcSubIdx =
+ TM->getSubtargetImpl()->getRegisterInfo()->getSubClassWithSubReg(
+ MRI->getRegClass(SrcReg), SubIdx) != nullptr;
// The source has other uses. See if we can replace the other uses with use of
// the result of the extension.
unsigned Src;
unsigned SrcSubReg;
bool ShouldRewrite = false;
- const TargetRegisterInfo &TRI = *TM->getRegisterInfo();
+ const TargetRegisterInfo &TRI = *TM->getSubtargetImpl()->getRegisterInfo();
// Follow the chain of copies until we reach the top of the use-def chain
// or find a more suitable source.
return false;
TM = &MF.getTarget();
- TII = TM->getInstrInfo();
+ TII = TM->getSubtargetImpl()->getInstrInfo();
MRI = &MF.getRegInfo();
DT = Aggressive ? &getAnalysis<MachineDominatorTree>() : nullptr;
MachineBasicBlock *MBB = &*I;
bool SeenMoveImm = false;
- SmallPtrSet<MachineInstr*, 8> LocalMIs;
+ SmallPtrSet<MachineInstr*, 16> LocalMIs;
SmallSet<unsigned, 4> ImmDefRegs;
DenseMap<unsigned, MachineInstr*> ImmDefMIs;
SmallSet<unsigned, 16> FoldAsLoadDefCandidates;