[llvm] [RISCV] Port PreRA Pseudo Expansion to NewPM (PR #218069)

[Aiden Grossman via llvm-commits]

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@@ -867,12 +878,26 @@ bool RISCVPreRAExpandPseudo::expandLoadTLSDescAddress(
 INITIALIZE_PASS(RISCVExpandPseudo, "riscv-expand-pseudo",
                 RISCV_EXPAND_PSEUDO_NAME, false, false)
 
-INITIALIZE_PASS(RISCVPreRAExpandPseudo, "riscv-prera-expand-pseudo",
+INITIALIZE_PASS(RISCVPreRAExpandPseudoLegacy, "riscv-prera-expand-pseudo",
                 RISCV_PRERA_EXPAND_PSEUDO_NAME, false, false)
 
 namespace llvm {
 
 FunctionPass *createRISCVExpandPseudoPass() { return new RISCVExpandPseudo(); }
-FunctionPass *createRISCVPreRAExpandPseudoPass() { return new RISCVPreRAExpandPseudo(); }
+FunctionPass *createRISCVPreRAExpandPseudoLegacyPass() {
+  return new RISCVPreRAExpandPseudoLegacy();
+}
+
+PreservedAnalyses
+RISCVPreRAExpandPseudoPass::run(MachineFunction &MF,
+                                MachineFunctionAnalysisManager &MFAM) {
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boomanaiden154 wrote:

We need a `MFPropsModifier` here or `getRequiredProperties` will never have an effect.

https://github.com/llvm/llvm-project/pull/218069