[llvm] [X86] Extend checkSignTestSetCCCombine to handle SHL/SIGN_EXTEND_INREG (PR #178376)

[Phoebe Wang via llvm-commits]

================
@@ -190,10 +190,10 @@ 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);
----------------
phoebewang wrote:

Do not format unrelated code.

https://github.com/llvm/llvm-project/pull/178376