[llvm] [IR] Add icmp like matcher (NFC) (PR #192746)

[Yingwei Zheng via llvm-commits]

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@@ -2314,6 +2314,35 @@ template <typename OpTy> inline auto m_ZExtOrTruncOrSelf(const OpTy &Op) {
   return m_CombineOr(m_ZExt(Op), m_Trunc(Op), Op);
 }
 
+template <typename LHS_t, typename RHS_t> struct IcmpLike_match {
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dtcxzyw wrote:

```suggestion
template <typename LHS_t, typename RHS_t> struct ICmpLike_match {
```

https://github.com/llvm/llvm-project/pull/192746