[llvm] [NewPM] Adds a port for AArch64PostLegalizerLowering (PR #190718)

[Anshul Nigham via llvm-commits]

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@@ -1258,11 +1260,33 @@ AArch64PostLegalizerLoweringImpl::AArch64PostLegalizerLoweringImpl(
 {
 }
 
-class AArch64PostLegalizerLowering : public MachineFunctionPass {
+bool runPostLegalizerLowering(
+    MachineFunction &MF,
+    const AArch64PostLegalizerLoweringImplRuleConfig &RuleConfig) {
+  if (MF.getProperties().hasFailedISel())
+    return false;
+  assert(MF.getProperties().hasLegalized() && "Expected a legalized function?");
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nigham wrote:

Done.

https://github.com/llvm/llvm-project/pull/190718