const TargetRegisterInfo &TRI,
const RegisterBankInfo &RBI) const;
- Optional<int64_t> getConstantVRegVal(unsigned VReg,
- const MachineRegisterInfo &MRI) const;
-
bool isOperandImmEqual(const MachineOperand &MO, int64_t Value,
const MachineRegisterInfo &MRI) const;
const char *PassName, StringRef Msg,
const MachineInstr &MI);
+Optional<int64_t> getConstantVRegVal(unsigned VReg,
+ const MachineRegisterInfo &MRI);
+
} // End namespace llvm.
#endif
return true;
}
-Optional<int64_t>
-InstructionSelector::getConstantVRegVal(unsigned VReg,
- const MachineRegisterInfo &MRI) const {
- MachineInstr *MI = MRI.getVRegDef(VReg);
- if (MI->getOpcode() != TargetOpcode::G_CONSTANT)
- return None;
-
- if (MI->getOperand(1).isImm())
- return MI->getOperand(1).getImm();
-
- if (MI->getOperand(1).isCImm() &&
- MI->getOperand(1).getCImm()->getBitWidth() <= 64)
- return MI->getOperand(1).getCImm()->getSExtValue();
-
- return None;
-}
-
bool InstructionSelector::isOperandImmEqual(
const MachineOperand &MO, int64_t Value,
const MachineRegisterInfo &MRI) const {
#include "llvm/CodeGen/MachineOptimizationRemarkEmitter.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/TargetPassConfig.h"
+#include "llvm/IR/Constants.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetRegisterInfo.h"
R << Msg << ": " << ore::MNV("Inst", MI);
reportGISelFailure(MF, TPC, MORE, R);
}
+
+Optional<int64_t> llvm::getConstantVRegVal(unsigned VReg,
+ const MachineRegisterInfo &MRI) {
+ MachineInstr *MI = MRI.getVRegDef(VReg);
+ if (MI->getOpcode() != TargetOpcode::G_CONSTANT)
+ return None;
+
+ if (MI->getOperand(1).isImm())
+ return MI->getOperand(1).getImm();
+
+ if (MI->getOperand(1).isCImm() &&
+ MI->getOperand(1).getCImm()->getBitWidth() <= 64)
+ return MI->getOperand(1).getCImm()->getSExtValue();
+
+ return None;
+}
#include "AArch64TargetMachine.h"
#include "MCTargetDesc/AArch64AddressingModes.h"
#include "llvm/CodeGen/GlobalISel/InstructionSelector.h"
+#include "llvm/CodeGen/GlobalISel/Utils.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstr.h"