[llvm] X86: make VBMI2 funnel shifts use VSHLD/VSHRD for const splats (PR #169401)

[via llvm-commits]

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@@ -189,10 +189,10 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
   // We don't accept any truncstore of integer registers.
   setTruncStoreAction(MVT::i64, MVT::i32, Expand);
   setTruncStoreAction(MVT::i64, MVT::i16, Expand);
-  setTruncStoreAction(MVT::i64, MVT::i8 , Expand);
+  setTruncStoreAction(MVT::i64, MVT::i8, Expand);
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ArnavM3434 wrote:

Oh whoops will fix this.

https://github.com/llvm/llvm-project/pull/169401