MC: Simplify code with isRelocation

Author: MaskRay

llvm/lib/MC/MCAssembler.cpp

@@ -203,7 +203,7 @@ bool MCAssembler::evaluateFixup(const MCFixup &Fixup, const MCFragment *DF,
   if (IsResolved) {
     auto TargetVal = Target;
     TargetVal.Cst = Value;
-    if (Fixup.getKind() >= FirstRelocationKind ||
+    if (mc::isRelocation(Fixup.getKind()) ||
         getBackend().shouldForceRelocation(*this, Fixup, TargetVal, STI))
       IsResolved = false;
   }

llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.cpp

@@ -71,16 +71,11 @@ CSKYAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
   assert(Infos.size() == CSKY::NumTargetFixupKinds &&
          "Not all fixup kinds added to Infos array");
 
-  if (FirstTargetFixupKind <= Kind && Kind < FirstLiteralRelocationKind) {
-    assert(unsigned(Kind - FirstTargetFixupKind) < CSKY::NumTargetFixupKinds &&
-           "Invalid kind!");
-
-    return Infos[Kind];
-  } else if (Kind < FirstTargetFixupKind) {
-    return MCAsmBackend::getFixupKindInfo(Kind);
-  } else {
+  if (mc::isRelocation(Kind))
     return MCAsmBackend::getFixupKindInfo(FK_NONE);
-  }
+  if (Kind < FirstTargetFixupKind)
+    return MCAsmBackend::getFixupKindInfo(Kind);
+  return Infos[Kind];
 }
 
 static uint64_t adjustFixupValue(const MCFixup &Fixup, uint64_t Value,