[llvm-branch-commits] [llvm] AMDGPU: Extract lambda used in foldImmediate into a helper function (PR #127484)

[Shilei Tian via llvm-branch-commits]

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@@ -401,6 +401,15 @@ class SIInstrInfo final : public AMDGPUGenInstrInfo {
 
   void removeModOperands(MachineInstr &MI) const;
 
+  /// Return the extracted immediate value in a subregister use from a constant
+  /// materialized in a super register.
+  ///
+  /// e.g. %imm = S_MOV_B64 K[0:63]
+  ///      USE %imm.sub1
+  /// This will return k[32:63]
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shiltian wrote:

```suggestion
  /// This will return K[32:63]
```

https://github.com/llvm/llvm-project/pull/127484