[llvm] [RISCV][NewPm] Fix Up PreRAExpandPseudo (PR #218105)

[Sam Elliott via llvm-commits]

https://github.com/lenary created https://github.com/llvm/llvm-project/pull/218105

- Add missing MFPropsModifier
- Mark pass as required

>From 7e905ce5ef9ad63688ff3c4a0c992abd6ba9526e Mon Sep 17 00:00:00 2001
From: Sam Elliott <aelliott at qti.qualcomm.com>
Date: Fri, 21 Aug 2026 23:14:11 -0700
Subject: [PATCH] [RISCV][NewPm] Fix Up PreRAExpandPseudo

- Add missing MFPropsModifier
- Mark pass as required
---
 llvm/lib/Target/RISCV/RISCV.h                    | 2 +-
 llvm/lib/Target/RISCV/RISCVExpandPseudoInsts.cpp | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/RISCV/RISCV.h b/llvm/lib/Target/RISCV/RISCV.h
index ecc459eb02a7e..e3ad34f9cae65 100644
--- a/llvm/lib/Target/RISCV/RISCV.h
+++ b/llvm/lib/Target/RISCV/RISCV.h
@@ -114,7 +114,7 @@ FunctionPass *createRISCVExpandPseudoPass();
 void initializeRISCVExpandPseudoPass(PassRegistry &);
 
 class RISCVPreRAExpandPseudoPass
-    : public OptionalPassInfoMixin<RISCVPreRAExpandPseudoPass> {
+    : public RequiredPassInfoMixin<RISCVPreRAExpandPseudoPass> {
 public:
   PreservedAnalyses run(MachineFunction &MF,
                         MachineFunctionAnalysisManager &MFAM);
diff --git a/llvm/lib/Target/RISCV/RISCVExpandPseudoInsts.cpp b/llvm/lib/Target/RISCV/RISCVExpandPseudoInsts.cpp
index b9cbc77249ca3..c26c7c669f363 100644
--- a/llvm/lib/Target/RISCV/RISCVExpandPseudoInsts.cpp
+++ b/llvm/lib/Target/RISCV/RISCVExpandPseudoInsts.cpp
@@ -891,6 +891,7 @@ FunctionPass *createRISCVPreRAExpandPseudoLegacyPass() {
 PreservedAnalyses
 RISCVPreRAExpandPseudoPass::run(MachineFunction &MF,
                                 MachineFunctionAnalysisManager &MFAM) {
+  MFPropsModifier _(*this, MF);
   bool Changed = RISCVPreRAExpandPseudoImpl().run(MF);
   if (!Changed)
     return PreservedAnalyses::all();