[PATCH] D132658: [InstCombine] Distributive or+mul with const operand

[Allen zhong via Phabricator via llvm-commits]

Allen marked an inline comment as done.
Allen added inline comments.


================
Comment at: llvm/test/Transforms/InstCombine/mul.ll:690
+  ret <2 x i32> %mul
+}
+
----------------
RKSimon wrote:
> Please can you add a case with undefs in the vector constants:
> 
> define <2 x i32> @PR57278_shl_vec_undef(<2 x i32> %v1) {
>   %shl = shl nuw <2 x i32> %v1, <i32 2, i32 undef>
>   %add = or <2 x i32> %shl, <i32 3, i32 undef>
>   %mul = mul nuw <2 x i32> %add, <i32 3, i32 undef>
>   ret <2 x i32> %mul
> }
Done, Thanks


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