[clang] [llvm] [PowerPC] Add intrinsics for rldimi/rlwimi/rlwnm (PR #82968)

[Chen Zheng via cfe-commits]

================
@@ -641,6 +641,7 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM,
 
   // We want to custom lower some of our intrinsics.
   setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::Other, Custom);
+  // setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::i64, Custom);
----------------
chenzheng1030 wrote:

Is this needed?

https://github.com/llvm/llvm-project/pull/82968