[ELF] relocateNonAlloc: move likely expr == R_ABS before unlikely R_SIZE. NFC

Author: MaskRay

lld/ELF/InputSection.cpp

@@ -999,20 +999,20 @@ void InputSection::relocateNonAlloc(uint8_t *buf, ArrayRef<RelTy> rels) {
     if (config->relocatable && (RelTy::IsRela || sym.type != STT_SECTION))
       continue;
 
-    if (expr == R_SIZE) {
-      target.relocateNoSym(bufLoc, type,
-                           SignExtend64<bits>(sym.getSize() + addend));
-      continue;
-    }
-
     // R_ABS/R_DTPREL and some other relocations can be used from non-SHF_ALLOC
     // sections.
-    if (expr == R_ABS || expr == R_DTPREL || expr == R_GOTPLTREL ||
+    if (LLVM_LIKELY(expr == R_ABS) || expr == R_DTPREL || expr == R_GOTPLTREL ||
         expr == R_RISCV_ADD) {
       target.relocateNoSym(bufLoc, type, SignExtend64<bits>(sym.getVA(addend)));
       continue;
     }
 
+    if (expr == R_SIZE) {
+      target.relocateNoSym(bufLoc, type,
+                           SignExtend64<bits>(sym.getSize() + addend));
+      continue;
+    }
+
     std::string msg = getLocation(offset) + ": has non-ABS relocation " +
                       toString(type) + " against symbol '" + toString(sym) +
                       "'";