[llvm] [X86] Fix the type of X86ISD::UMUL (PR #117377)

[Sergei Barannikov via llvm-commits]

================
@@ -266,7 +261,7 @@ def X86add_flag  : SDNode<"X86ISD::ADD",  SDTBinaryArithWithFlags,
 def X86sub_flag  : SDNode<"X86ISD::SUB",  SDTBinaryArithWithFlags>;
 def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
                           [SDNPCommutative]>;
-def X86umul_flag : SDNode<"X86ISD::UMUL", SDT2ResultBinaryArithWithFlags,
+def X86umul_flag : SDNode<"X86ISD::UMUL", SDTBinaryArithWithFlags,
----------------
s-barannikov wrote:

I would rather keep it.  `UMUL` is created by `X86ISelLowering` and having a description in a td file would allow generating various info from it (a feature I'm currently working on but haven't created an RFC yet).


https://github.com/llvm/llvm-project/pull/117377