[llvm] [llvm][CodeGen] Intrinsic `llvm.powi.*` code gen for vector arguments (PR #118242)

[Zhaoxin Yang via llvm-commits]

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@@ -2585,6 +2585,8 @@ SDValue DAGTypeLegalizer::PromoteIntOp_ExpOp(SDNode *N) {
                              : RTLIB::getLDEXP(N->getValueType(0));
 
   if (LC == RTLIB::UNKNOWN_LIBCALL || !TLI.getLibcallName(LC)) {
+    if (IsPowI && N->getValueType(0).isVector())
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ylzsx wrote:

Thanks, I will add the comment.

https://github.com/llvm/llvm-project/pull/118242