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ARM64: remove unneeded InstPrinter hacks
Now that TableGen handles aliases, these are unneeded. Hopefully more will be able to go soon. llvm-svn: 208781
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@ -301,38 +301,6 @@ void ARM64InstPrinter::printInst(const MCInst *MI, raw_ostream &O,
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printExtend(MI, 3, O);
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printExtend(MI, 3, O);
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return;
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return;
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}
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}
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// ADD WSP, Wn, #0 ==> MOV WSP, Wn
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if (Opcode == ARM64::ADDWri && (MI->getOperand(0).getReg() == ARM64::WSP ||
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MI->getOperand(1).getReg() == ARM64::WSP) &&
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MI->getOperand(2).getImm() == 0 &&
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ARM64_AM::getShiftValue(MI->getOperand(3).getImm()) == 0) {
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O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg())
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<< ", " << getRegisterName(MI->getOperand(1).getReg());
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return;
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}
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// ADD XSP, Wn, #0 ==> MOV XSP, Wn
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if (Opcode == ARM64::ADDXri && (MI->getOperand(0).getReg() == ARM64::SP ||
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MI->getOperand(1).getReg() == ARM64::SP) &&
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MI->getOperand(2).getImm() == 0 &&
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ARM64_AM::getShiftValue(MI->getOperand(3).getImm()) == 0) {
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O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg())
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<< ", " << getRegisterName(MI->getOperand(1).getReg());
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return;
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}
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// ORR Wn, WZR, Wm ==> MOV Wn, Wm
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if (Opcode == ARM64::ORRWrs && MI->getOperand(1).getReg() == ARM64::WZR &&
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MI->getOperand(3).getImm() == 0) {
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O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg())
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<< ", " << getRegisterName(MI->getOperand(2).getReg());
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return;
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}
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// ORR Xn, XZR, Xm ==> MOV Xn, Xm
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if (Opcode == ARM64::ORRXrs && MI->getOperand(1).getReg() == ARM64::XZR &&
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MI->getOperand(3).getImm() == 0) {
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O << "\tmov\t" << getRegisterName(MI->getOperand(0).getReg())
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<< ", " << getRegisterName(MI->getOperand(2).getReg());
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return;
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}
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if (!printAliasInstr(MI, O))
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if (!printAliasInstr(MI, O))
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printInstruction(MI, O);
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printInstruction(MI, O);
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