Addressed the review comments1

Author: JaydeepChauhan14

llvm/lib/Target/X86/GISel/X86LegalizerInfo.cpp

@@ -99,17 +99,9 @@ X86LegalizerInfo::X86LegalizerInfo(const X86Subtarget &STI,
       .widenScalarToNextPow2(0, /*Min=*/8)
       .clampScalar(0, s8, sMaxScalar);
 
-  getActionDefinitionsBuilder(G_LROUND)
-      .libcallIf([=](const LegalityQuery &Query) -> bool {
-        return (typeInSet(0, {s32, s64})(Query) &&
-                typeInSet(1, {s32, s64, s80})(Query));
-      });
+  getActionDefinitionsBuilder(G_LROUND).libcall();
 
-  getActionDefinitionsBuilder(G_LLROUND)
-      .libcallIf([=](const LegalityQuery &Query) -> bool {
-        return (typeIs(0, s64)(Query) &&
-                typeInSet(1, {s32, s64, s80})(Query));
-      });
+  getActionDefinitionsBuilder(G_LLROUND).libcall();
 
   // merge/unmerge
   for (unsigned Op : {G_MERGE_VALUES, G_UNMERGE_VALUES}) {