[SLP] Add vectorization support for [u|s]cmp (#106747)

This patch adds vectorization support for [u|s]cmp intrinsic calls.

Author: dtcxzyw

llvm/lib/Analysis/VectorUtils.cpp

@@ -103,6 +103,8 @@ bool llvm::isTriviallyVectorizable(Intrinsic::ID ID) {
   case Intrinsic::fptoui_sat:
   case Intrinsic::lrint:
   case Intrinsic::llrint:
+  case Intrinsic::ucmp:
+  case Intrinsic::scmp:
     return true;
   default:
     return false;
@@ -138,6 +140,8 @@ bool llvm::isVectorIntrinsicWithOverloadTypeAtArg(Intrinsic::ID ID,
   case Intrinsic::fptoui_sat:
   case Intrinsic::lrint:
   case Intrinsic::llrint:
+  case Intrinsic::ucmp:
+  case Intrinsic::scmp:
     return OpdIdx == -1 || OpdIdx == 0;
   case Intrinsic::is_fpclass:
     return OpdIdx == 0;