[llvm] [AMDGPU] Remove unused functions for checking 16-bit inline literals (PR #81282)

[Matt Arsenault via llvm-commits]

================
@@ -107,10 +107,6 @@ class AMDGPUDAGToDAGISel : public SelectionDAGISel {
   std::pair<SDValue, SDValue> foldFrameIndex(SDValue N) const;
   bool isInlineImmediate(const SDNode *N) const;
 
-  bool isInlineImmediate16(int64_t Imm) const {
----------------
arsenm wrote:

What's the plus of removing this if there's no change to the underlying helper function?

https://github.com/llvm/llvm-project/pull/81282