[llvm] [IR] Add llvm `cmul` intrinsic (PR #140301)

[Jay Foad via llvm-commits]

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@@ -2103,6 +2105,12 @@ let IntrProperties = [IntrNoMem, IntrNoSync, IntrWillReturn] in {
                                LLVMMatchType<0>,
                                LLVMScalarOrSameVectorWidth<0, llvm_i1_ty>,
                                llvm_i32_ty]>;
+  def int_vp_clmul : DefaultAttrsIntrinsic<[ llvm_anyvector_ty ],
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jayfoad wrote:

Did you mean to add this intrinsic too? If so, it needs its own documentation, tests, etc.

https://github.com/llvm/llvm-project/pull/140301