[llvm] [NPM] StackColoring: Preserve function analyses (PR #147500)

[Akshat Oke via llvm-commits]

https://github.com/optimisan created https://github.com/llvm/llvm-project/pull/147500

None

>From d83d529e740f62070b6fedc4fd48419a28c2e284 Mon Sep 17 00:00:00 2001
From: Akshat Oke <Akshat.Oke at amd.com>
Date: Tue, 8 Jul 2025 10:34:12 +0000
Subject: [PATCH] [NPM] StackColoring: Preserve function analyses

---
 llvm/lib/CodeGen/StackColoring.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/StackColoring.cpp b/llvm/lib/CodeGen/StackColoring.cpp
index 0f93822d9792b..a3842ea157dd8 100644
--- a/llvm/lib/CodeGen/StackColoring.cpp
+++ b/llvm/lib/CodeGen/StackColoring.cpp
@@ -36,6 +36,7 @@
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/MachineOperand.h"
+#include "llvm/CodeGen/MachinePassManager.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/PseudoSourceValueManager.h"
 #include "llvm/CodeGen/SlotIndexes.h"
@@ -1201,7 +1202,7 @@ PreservedAnalyses StackColoringPass::run(MachineFunction &MF,
                                          MachineFunctionAnalysisManager &MFAM) {
   StackColoring SC(&MFAM.getResult<SlotIndexesAnalysis>(MF));
   if (SC.run(MF))
-    return PreservedAnalyses::none();
+    return getMachineFunctionPassPreservedAnalyses();
   return PreservedAnalyses::all();
 }