[llvm] [msan][NFCI] Refactor visitIntrinsicInst() into instruction families (PR #154878)

[Thurston Dang via llvm-commits]

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@@ -6233,17 +6262,19 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
       break;
     }
 
-    case Intrinsic::scmp:
-    case Intrinsic::ucmp: {
-      handleShadowOr(I);
-      break;
-    }
-
     default:
-      if (!handleUnknownIntrinsic(I))
-        visitInstruction(I);
-      break;
+      return false;
     }
+
+    return true;
+  }
+
+  void visitIntrinsicInst(IntrinsicInst &I) {
+    if (!maybeHandleCrossPlatformIntrinsic(I))
+      if (!maybeHandleX86SIMDIntrinsic(I))
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thurstond wrote:

Done

https://github.com/llvm/llvm-project/pull/154878