[llvm] [CFIInstrInserter][NFC] Move `class CSRSavedLocation` definition. (PR #176053)

[Mikhail Gudim via llvm-commits]

https://github.com/mgudim created https://github.com/llvm/llvm-project/pull/176053

This is needed to minimize diff for the future commit where we plan to use `CSRSavedLocation` in `stuct MBBCFAInfo`.

>From 4bb9604516d18a8bbf84969a52e5a429fa87c906 Mon Sep 17 00:00:00 2001
From: Mikhail Gudim <mgudim at qti.qualcomm.com>
Date: Wed, 14 Jan 2026 14:40:16 -0800
Subject: [PATCH] [CFIInstrInserter][NFC] Move `class CSRSavedLocation`
 definition.

This is needed to minimize diff for the future commit where we plan to
use `CSRSavedLocation` in `stuct MBBCFAInfo`.
---
 llvm/lib/CodeGen/CFIInstrInserter.cpp | 42 +++++++++++++--------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/llvm/lib/CodeGen/CFIInstrInserter.cpp b/llvm/lib/CodeGen/CFIInstrInserter.cpp
index 0fd082129e3a2..eac6eb62d2ce1 100644
--- a/llvm/lib/CodeGen/CFIInstrInserter.cpp
+++ b/llvm/lib/CodeGen/CFIInstrInserter.cpp
@@ -66,27 +66,6 @@ class CFIInstrInserter : public MachineFunctionPass {
   }
 
  private:
-  struct MBBCFAInfo {
-    MachineBasicBlock *MBB;
-    /// Value of cfa offset valid at basic block entry.
-    int64_t IncomingCFAOffset = -1;
-    /// Value of cfa offset valid at basic block exit.
-    int64_t OutgoingCFAOffset = -1;
-    /// Value of cfa register valid at basic block entry.
-    unsigned IncomingCFARegister = 0;
-    /// Value of cfa register valid at basic block exit.
-    unsigned OutgoingCFARegister = 0;
-    /// Set of callee saved registers saved at basic block entry.
-    BitVector IncomingCSRSaved;
-    /// Set of callee saved registers saved at basic block exit.
-    BitVector OutgoingCSRSaved;
-    /// If in/out cfa offset and register values for this block have already
-    /// been set or not.
-    bool Processed = false;
-  };
-
-#define INVALID_REG UINT_MAX
-#define INVALID_OFFSET INT_MAX
   /// contains the location where CSR register is saved.
   class CSRSavedLocation {
   public:
@@ -148,6 +127,27 @@ class CFIInstrInserter : public MachineFunctionPass {
     }
   };
 
+  struct MBBCFAInfo {
+    MachineBasicBlock *MBB;
+    /// Value of cfa offset valid at basic block entry.
+    int64_t IncomingCFAOffset = -1;
+    /// Value of cfa offset valid at basic block exit.
+    int64_t OutgoingCFAOffset = -1;
+    /// Value of cfa register valid at basic block entry.
+    unsigned IncomingCFARegister = 0;
+    /// Value of cfa register valid at basic block exit.
+    unsigned OutgoingCFARegister = 0;
+    /// Set of callee saved registers saved at basic block entry.
+    BitVector IncomingCSRSaved;
+    /// Set of callee saved registers saved at basic block exit.
+    BitVector OutgoingCSRSaved;
+    /// If in/out cfa offset and register values for this block have already
+    /// been set or not.
+    bool Processed = false;
+  };
+
+#define INVALID_REG UINT_MAX
+#define INVALID_OFFSET INT_MAX
   /// Contains cfa offset and register values valid at entry and exit of basic
   /// blocks.
   std::vector<MBBCFAInfo> MBBVector;