[X86] Use llvm::none_of (NFC)

Author: kazutakahirata

llvm/lib/Target/X86/X86ISelLowering.cpp

@@ -14309,9 +14309,9 @@ static SDValue lowerV8I16GeneralSingleInputShuffle(
 
   // At this point, each half should contain all its inputs, and we can then
   // just shuffle them into their final position.
-  assert(count_if(LoMask, [](int M) { return M >= 4; }) == 0 &&
+  assert(none_of(LoMask, [](int M) { return M >= 4; }) &&
          "Failed to lift all the high half inputs to the low mask!");
-  assert(count_if(HiMask, [](int M) { return M >= 0 && M < 4; }) == 0 &&
+  assert(none_of(HiMask, [](int M) { return M >= 0 && M < 4; }) &&
          "Failed to lift all the low half inputs to the high mask!");
 
   // Do a half shuffle for the low mask.