[llvm] [AArch64] Allow peephole to optimize AND + signed compare with 0 (PR #153608)

[Benjamin Maxwell via llvm-commits]

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@@ -1433,6 +1433,34 @@ static unsigned convertToNonFlagSettingOpc(const MachineInstr &MI) {
     return MIDefinesZeroReg ? AArch64::SUBSXrs : AArch64::SUBXrs;
   case AArch64::SUBSXrx:
     return AArch64::SUBXrx;
+  case AArch64::ANDSWri:
+    return AArch64::ANDWri;
+  case AArch64::ANDSWrr:
+    return AArch64::ANDWrr;
+  case AArch64::ANDSWrs:
+    return AArch64::ANDWrs;
+  case AArch64::ANDSXri:
+    return AArch64::ANDXri;
+  case AArch64::ANDSXrr:
+    return AArch64::ANDXrr;
+  case AArch64::ANDSXrs:
+    return AArch64::ANDXrs;
+  case AArch64::BICSWrr:
+    return AArch64::BICWrr;
+  case AArch64::BICSXrr:
+    return AArch64::BICXrr;
+  case AArch64::BICSWrs:
+    return AArch64::BICWrs;
+  case AArch64::BICSXrs:
+    return AArch64::BICXrs;
+  case AArch64::SBCSXr:
+    return AArch64::SBCXr;
+  case AArch64::SBCSWr:
+    return AArch64::SBCWr;
+  case AArch64::ADCSXr:
+    return AArch64::ADCXr;
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MacDue wrote:

Are all of these changes used? I don't see how SBC/ADC is relevant here? 

https://github.com/llvm/llvm-project/pull/153608