[AArch64] Simplify with MCSubtargetInfo::hasFeature. NFC

Author: MaskRay

llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp

@@ -3408,8 +3408,7 @@ AArch64AsmParser::parseCondCodeString(StringRef Cond, std::string &Suggestion) {
                     .Case("nv", AArch64CC::NV)
                     .Default(AArch64CC::Invalid);
 
-  if (CC == AArch64CC::Invalid &&
-      getSTI().getFeatureBits()[AArch64::FeatureSVE]) {
+  if (CC == AArch64CC::Invalid && getSTI().hasFeature(AArch64::FeatureSVE)) {
     CC = StringSwitch<AArch64CC::CondCode>(Cond.lower())
                     .Case("none",  AArch64CC::EQ)
                     .Case("any",   AArch64CC::NE)
@@ -6355,7 +6354,7 @@ bool AArch64AsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,
   // instruction for FP registers correctly in some rare circumstances. Convert
   // it to a safe instruction and warn (because silently changing someone's
   // assembly is rude).
-  if (getSTI().getFeatureBits()[AArch64::FeatureZCZeroingFPWorkaround] &&
+  if (getSTI().hasFeature(AArch64::FeatureZCZeroingFPWorkaround) &&
       NumOperands == 4 && Tok == "movi") {
     AArch64Operand &Op1 = static_cast<AArch64Operand &>(*Operands[1]);
     AArch64Operand &Op2 = static_cast<AArch64Operand &>(*Operands[2]);

llvm/lib/Target/AArch64/MCTargetDesc/AArch64InstPrinter.cpp

@@ -213,8 +213,7 @@ void AArch64InstPrinter::printInst(const MCInst *MI, uint64_t Address,
     int ImmS = MI->getOperand(4).getImm();
 
     if ((Op2.getReg() == AArch64::WZR || Op2.getReg() == AArch64::XZR) &&
-        (ImmR == 0 || ImmS < ImmR) &&
-        STI.getFeatureBits()[AArch64::HasV8_2aOps]) {
+        (ImmR == 0 || ImmS < ImmR) && STI.hasFeature(AArch64::HasV8_2aOps)) {
       // BFC takes precedence over its entire range, sligtly differently to BFI.
       int BitWidth = Opcode == AArch64::BFMXri ? 64 : 32;
       int LSB = (BitWidth - ImmR) % BitWidth;