[PATCH] D38861: [CodeGen] Error on unsupported checked multiplies early

John McCall via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Thu Oct 12 15:33:28 PDT 2017

rjmccall added inline comments.

Comment at: lib/CodeGen/CGBuiltin.cpp:2263
+      }
+    }
Is there a reason this only fails on x86?  If LLVM doesn't have generic wide-operation lowering, this probably needs to be a target whitelist rather than a blacklist.


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